49th week of 2008 patent applcation highlights part 31 |
Patent application number | Title | Published |
20080298212 | OPTICAL DISC DRIVE AND FOCUS POSITION CONTROL METHOD - According to one embodiment, a focus position control method includes irradiating a beam to an optical disc via an objective lens, receiving reflected light and outputting a signal, generating a focus error signal, detecting an amplitude of a signal high-pass-filtering the signal, detecting an intensity of a signal low-pass-filtering the signal, supplying a driving voltage corresponding to the focus error signal to a drive coil configured to move the objective lens to an optical axis direction of the beam when the amplitude is larger than the first value, or when the amplitude is not larger than the first value and the intensity is smaller than the second value, and supplying a driving voltage having a constant voltage value to the drive coil when the amplitude is not larger than the first value and the intensity is not smaller than the second value. | 2008-12-04 |
20080298213 | OPTICAL DISC APPARATUS AND OPTICAL DISC RECORDING AND REPRODUCTION METHOD - In an optical disc apparatus, a CPU controls a focus control circuit, and a focus offset for adjusting a height of an objective lens is set. A spindle motor control circuit, a laser driver circuit, and an RF amplifier are controlled. When an optical disc is rotated by using the set focus offset in a state where a tracking servo is not performed, an envelope of a full addition signal or a RF signal obtained from each focused focal point corresponding to the objective lens in a land and a groove is detected. An amplitude level of the envelope is measured, and a focus control circuit is controlled. By using the focus offset with which the amplitude level of the envelope of the full addition signal or the RF signal is minimized, a focus offset used when recording or reproduction of the optical disc is performed is determined. | 2008-12-04 |
20080298214 | Objective lens actuator utilizing piezoelectric elements - An objective lens actuator includes a lens holder for holding an objective lens, a holder support member for holding the lens holder movably along a direction of an optical axis of the objective lens and rotatably about a rotation axis that is parallel to the direction of the optical axis, and a base for holding the holder support member. A gap is provided between the holder support member and the base, the gap extending around a junction which connects the holder support member with the base, wherein a plurality of piezoelectric elements are inserted in the gap. | 2008-12-04 |
20080298215 | Discrimination method for optical disc types and optical disc apparatus - An optical disc apparatus, which discriminates types of optical discs having different thicknesses of transparent layers by using the same wavelength of laser light, includes an aberration correction unit for correcting spherical aberration, an objective lens for condensing the laser beam onto a recording surface of an optical disc, an actuator for moving the objective lens with respect to the optical disc, a signal detection unit for delivering a focus error signal or a sum light signal, a control unit for controlling the aberration correction unit, the actuator and the signal detection unit. The control unit drives and sets the aberration correction unit so that the laser beam has a predetermined spherical aberration, performs a focus search operation of moving the objective lens to approach the optical disc in a state where the laser beam is projected onto the optical disc, and uses at least one of the focus error signal and the sum light signal delivered from the signal detection unit at a just focus position as an optical disc type discrimination signal. | 2008-12-04 |
20080298216 | Method for Destroying Data of an Optical Disk - The present invention discloses a method used in an optical disk drive for destroying data of an optical disk. The optical disk is rotated clockwise and the optical head moves one track per revolution. Then, the optical head is controlled so that the spot size of the emitted laser beam projected on the optical disk is about one track pitch wide and the laser beam has a destroy power. Thereafter, the laser beam with the destroy power is adopted to write the optical disk from the inner diameter to the outer diameter. | 2008-12-04 |
20080298217 | OPTICAL PICKUP DEVICE, OPTICAL DISC APPARATUS INCLUDING OPTICAL PICKUP DEVICE, AND METHOD OF MANUFACTURING OPTICAL PICKUP DEVICE - An optical pickup device includes a pickup base, an optical system, a light emitting element, and a heat transfer holder which transfers the heat of the light emitting element to the pickup base. The heat transfer holder includes a holder base and a holder main body overlapped to the holder base. The holder base is arranged around the light emitting element and has a first flat contact surface which comes into surface contact with an abutment surface of the pickup base, and a second spherical contact surface, which is positioned opposite to the first contact surface. The holder main body has a third spherical contact surface which comes into surface contact with the second contact surface of the holder base, and an engaging recess formed in the third contact surface and having an inner surface which contacts with the light emitting element. | 2008-12-04 |
20080298218 | ELECTRONIC DEVICE AND MANUFACTURING METHOD OF ELECTRONIC DEVICE - In the state in which a FPC terminal conductor precoated with a solder bump is opposed to a suspension terminal conductor having an Au plating layer, heating and melting is carried out while the suspension terminal conductor is pressed against the solder bump by a heater chip, thereby joining the FPC terminal conductor with the suspension terminal conductor by solder without using flux. In the suspension terminal conductor, a notch, a slit, or the like is formed as a solder joint observation window through which the solder joint state by the solder bump can be visually checked from outside via an insulating layer. | 2008-12-04 |
20080298219 | INFORMATION STORAGE MEDIUM, INFORMATION REPRODUCING APPARATUS, INFORMATION REPRODUCING METHOD, AND NETWORK COMMUNICATION SYSTEM - An information storage medium according to one embodiment of the present invention comprises a management area in which management information to manage content is recorded and a content area in which content managed on the basis of the management information is recorded. The content area includes an object area in which a plurality of objects are recorded, and a time map area in which a time map for reproducing these objects in a specified period on a timeline is recorded. The management area includes a play list area in which a play list for controlling the reproduction of a menu and a title each composed of the objects on the basis of the time map is recorded. | 2008-12-04 |
20080298220 | OPTICAL DISK, OPTICAL DISK MASTERING METHOD AND OPTICAL DISK PLAYBACK APPARATUS - In an optical disk according to one embodiment of this invention, the actual shortest mark length recorded on the optical disk is set equal to or smaller than L | 2008-12-04 |
20080298221 | OPTICAL RECORDING MEDIUM, MANUFACTURING METHOD FOR OPTICAL RECORDING MEDIUM, AND REPRODUCING METHOD FOR OPTICAL RECORDING MEDIUM - An optical recording medium includes a main-information area in which a metal reflection film is formed on a substrate where a row of pits is formed as main data, and a sub-information area in which is recorded medium identification information, which is used to identify the optical recording medium individually, by removing the metal reflection film partially and forming a plurality of reflection-film removed areas. Information is reproduced by irradiating the metal reflection film with a beam of light. In the sub-information area, a row of pits or a guide groove is formed on the substrate, and a track pitch of the row of pits or the guide groove is at least 0.24 μm wide and at most 0.45 μm wide. | 2008-12-04 |
20080298222 | Hard disk media having alignment pattern and alignment method - Embodiments of the invention provide patterned media in which the center and the direction of the disk can be detected. According to one embodiment, patterned media has a bit pattern including convex portions of a magnetic material on one surface or both surfaces of a nonmagnetic substrate having a central hole. A diffraction grating pattern is formed as an alignment pattern in the inner circumference (or outer circumference) of the patterned media. The diffraction grating pattern is a pattern having a repetitive configuration, and includes a pattern with a repetitive pitch different from that in other portions, or a portion having no pattern, at least one region on a circumference. The diffraction grating pattern is irradiated with detection light and diffracted light is detected, thereby a center and a direction of the disk can be detected. | 2008-12-04 |
20080298223 | PACKET DETECTING CIRCUIT AND METHOD THEREOF - A packet detecting circuit detects a packet inputting time via calculating a delay correlation function and an autocorrelation function. In order to prevent a DC offset from affecting the calculation of the delay correlation function and the autocorrelation function, when the packet detecting circuit calculates the delay correlation function and the autocorrelation function, the packet detecting circuit will calculate and remove the error of the delay correlation function and the autocorrelation function produced by a DC offset. Then the packet detecting circuit calculates a packet triggering value according to the delay correlation function and the autocorrelation function for detecting the packet inputting time more precisely. | 2008-12-04 |
20080298224 | Methods and apparatus for mapping modulation symbols to resources in OFDM systems - A method for transmission, by dividing a transmission resource in a time domain subframe into a plurality of equal duration resource elements in a time and frequency domain, segregating the plurality of resource elements into a plurality of resource regions, modulating information to be transmitted to generate a sequence of modulation symbols at a transmitter, mapping the sequence of modulation symbols into the plurality of resource elements in the plurality of resource regions, and transmitting the modulation symbols via a plurality of antennas using the respective corresponding resource elements to a receiver. The mapping of the modulation symbols in at least one resource region is independent of a certain control channel information that is carried in said time domain subframe, and the mapping of the modulation symbols in at least another resource region is dependent upon said certain control channel information that is carried in said subframe. The information to be transmitted may be encoded to generate a plurality of code blocks, with roughly equal number of resource elements assigned to each of the plurality of code blocks in at least one resource region. Alternatively, the time domain subframe may contain only one resource region. | 2008-12-04 |
20080298225 | Transmitting Apparatus for Transmitting in a Multi-Carrier System Using Multiple Antennas and Receiving Apparatus in the Same System - A transmitting apparatus and receiving apparatus of a multi-carrier system using multiple antennas is proposed. An LCF encoder of the transmitting apparatus performs a liner precoding to input signals to be transmitted to a receiving apparatus using a liner complex matrix considering the number of multiple antennas and the number of subcarriers, and a subcarrier allocator respectively allocates a subcarrier to the signals liner-precoded by the LCF encoder. A transmitter respectively transmits the signals having a subcarrier allocated by the subcarrier allocator through the multiple antennas externally. A subcarrier de-allocator of a receiving apparatus extracts a liner-precoded signal by de-allocating a subcarrier allocated to the received signal. An LCF decoder outputs a bit reliability of the received signal to the liner-precoded signal extracted from the subcarrier de-allocator considering the number m of multiple antennas and the number n of subcarriers. A performance may be improved by using space diversity due to multiple antennas and a frequency diversity due to the OFDMA system, and a complexity may be reduced and a hard decision value of a performance similar to the maximum likelihood detection may be obtained by using a lattice reduction and a 2-branch Chase decoder. | 2008-12-04 |
20080298226 | Vehicular communication device and control information generating device - A vehicular communication device switches over a communication method between the OFDM method and the SS method. A PLC master set includes a LAN communication unit for performing data communications with control units such as an engine control ECU via an in-vehicle LAN. In the PLC master set, a microcomputer acquires the operating states of parts of the vehicle from various control units through the LAN communication unit, and uses the acquired operating states and control information stored previously to enable data communications without being affected by noises occurring in the parts of the vehicle by notifying a PLC slave set of a communication method in the PLC communication unit and a communication method with a sub-carrier set prohibited from use being set when a communication method is the OFDM method. | 2008-12-04 |
20080298227 | Method for Interference Estimation for Orthogonal Pilot Patterns - In an OFDM communications system receiver, channel estimates are processed to remove or reduce noise, exploiting the orthogonality of pilot patterns. The de-noised channel estimates are then used to compute inter-cell interference. The noise effects of orthogonal pilot patterns are selectively removed from channel samples in estimating inter-cell interference, depending on whether data subcarriers are subject to the same interference as pilot subcarriers, and whether data subcarriers are subject to interference from sectors with pilot patterns orthogonal to those in the transmitting sector. A further calculation removes noise from cells not identified by an orthogonal pilot sequence, which may be particularly applicable when large variations exist in the frequency domain of the propagation channel across a pilot pattern. | 2008-12-04 |
20080298228 | Transmitting/Receiving Apparatus of Wideband Wireless Channel Apparatus Using Multiple Carriers - The present invention relates to transmitting/receiving apparatuses of a wideband radio channel measuring device using a multi-carrier. The wideband radio channel measuring device using the multi-carrier may measure radio channel characteristics at a frequency domain. Since the radio channel is measured at the frequency domain by the wideband radio channel measuring device using the multi-carrier, the channel characteristics may be simultaneously measured while maintaining a maximum Doppler measurement frequency at a predetermined level regardless of increase of the number of transmitting and receiving antennas, in an MIMO configuration. | 2008-12-04 |
20080298229 | NETWORK WIDE TIME BASED CORRELATION OF INTERNET PROTOCOL (IP) SERVICE LEVEL AGREEMENT (SLA) FAULTS - In particular embodiments, receiving a first connectivity fault notification, establishing a predetermined time period when the first connectivity fault notification is received, receiving one or more additional connectivity fault notifications during the predetermined time period, performing a root cause analysis for the connectivity fault notification based on the received first connectivity fault notification, and resolving the first and the one or more additional connectivity fault notifications based on the root cause analysis are provided. | 2008-12-04 |
20080298230 | Scheduling of workloads in a distributed compute environment - A method of workload scheduling in a distributed compute environment includes assigning a subscriber of a network service to a first compute node instance (“CNI”) of a plurality of CNIs within a network node interposed between the subscriber and a provider of the network service. The subscriber traffic associated with the subscriber is processed at the first CNI. Subscriber specific data is generated at the first CNI related to the subscriber traffic. The subscriber specific data is then backed up to a second CNI of the network node that is designated as a standby CNI that will process the subscriber traffic if the first CNI fails. | 2008-12-04 |
20080298231 | Ring node and redundancy method - To provide a technology capable of improving fault-tolerance by redundancy-structuring each of ring nodes building up a ring network with an active termination block and a non-active termination block and, if a fault occurs in the active termination block, continuing an operation by switchover to the non-active termination block. A ring node is configured such that data from a terminal side is forwarded to an active termination block and to a non-active termination block, source information of the data is determined and registered in a database, the data is transmitted to the ring from a ring-side interface, the data received from the ring is forwarded to the active termination block and to the non-active termination block, destination information of the data is determined by referring to the database and forwarded to a terminal-side interface, and the terminal-side interface selects the data from the active termination block and forwards the selected data to the terminal side. | 2008-12-04 |
20080298232 | Systems and methods for wireless transmission and reception of data including processing and buffering features - The present invention relates to a wireless data system which has a transmitter including a transmission buffer. The transmitter is configured to transmit a plurality of packets of encoded data, wherein a level of the transmission buffer is encoded in one of the packets of encoded data. The system further has a wireless receiver for receiving the plurality of packets. The receiver has at least one receiving component that receives the plurality of packets to generate a plurality of decoded signals, wherein the at least one receiving component is configured to receive one of the packets of encoded data from the transmitter to determine the level of transmission buffer. The receiving component is further configured to store the plurality of packets received in a receive buffer, to determine the level of the receive buffer, and to calculate an aggregate buffer level from the transmission buffer and the receive buffer. The receiver controls a packet output rate from the receive buffer to maintain the aggregate buffer level at a desired level. | 2008-12-04 |
20080298233 | Systems for Detecting Nagling on a TCP Network Connection - Systems for detecting Nagling on a TCP network connection are disclosed. Embodiments may generally include a system with a Nagle detection threshold determiner for determining a Nagle detection threshold based on the network connection. The system may also generally include a Nagle detection module in communication with the Nagle detection threshold determiner for observing a small segment at a second time following an acknowledgement indicative of a Nagling condition at a first time, wherein the Nagle detection module also may detect a Nagling condition if the difference between the second time and the first time is less than or equal to the Nagle detection threshold. The system may be a receiver computer or a network computer. The system may also generate and transmit a notification of the Nagling condition, increment a Nagle monitor counter, or save an indication of the Nagling condition in a log. | 2008-12-04 |
20080298234 | Bandwidth policing method and packet transfer apparatus with bandwidth policing function - In a bandwidth policing apparatus which accommodates a large number of user groups, bandwidth policing for each user group is performed at high speed. When there is any extra bandwidth in bandwidth for a user group, the contracted committed information rate for each user is guaranteed invariably while using this effectively. The bandwidth policing apparatus accumulates packets of a plurality of user groups under bandwidth policing in the same packet accumulate FIFO. Also, for a packet which does not exceed the contracted bandwidth for each user, the contracted bandwidth for each user is guaranteed by deciding that the packet does not exceed the contracted bandwidth for each user group. | 2008-12-04 |
20080298235 | Response time estimation for intermittently-available nodes - Message exchanges may be executed between a middleware component and at least one intermittently-available node, during connected phases of the intermittently available node with the middleware component. Transmission parameters associated with the message exchanges may be monitored, and a current request message to be sent to the intermittently-available node may be determined, the current request message being associated with a time-to-live. An expected message exchange time of the current request message and a resulting response message received from the node in response thereto may be determined, relative to the connected phases and based on at least some of the transmission parameters. Based on the expected message exchange time, it may be predicted whether the current request message and the resulting response message will be successfully exchanged with the intermittently-available node, prior to an expiration of the time-to-live of the current request message. | 2008-12-04 |
20080298236 | Dynamic link aggregation - A method and apparatus for dynamically distributing traffic over links grouped together in a data transmission channel are disclosed. In one embodiment, the method includes receiving data at the network device, distributing the data over a first array, mapping the first array to a second array having entries corresponding to the links, and measuring data traffic. The mapping between the first array and the second array is updated based on traffic measurements to balance traffic load over the links. | 2008-12-04 |
20080298237 | Methods, Systems, and Apparatus of Providing QoS and Scalability in the Deployment of Real-Time Traffic Services in Packet-based Networks - Methods, Systems, and Apparatus of Providing QoS and Scalability in the Deployment of Real-Time Traffic Services in Packet-based Networks are disclosed. The aim of the invention is to provide QoS for both realtime and non-real-time traffic streams. | 2008-12-04 |
20080298238 | FILTERING IN BANDWIDTH SHARING AD HOC NETWORKS - Systems and methods for filtering in bandwidth sharing ad hoc networks. A method includes maintaining at least one filtering parameter associated with formation of a bandwidth sharing ad hoc network. The method further includes preventing data transfer across the bandwidth sharing ad hoc network when a parameter of a request to establish the bandwidth sharing ad hoc network corresponds to the at least one filtering parameter. | 2008-12-04 |
20080298239 | METHOD AND APPARATUS TO PROVISION NETWORK ROUTES - A method to provision routes in a network having a plurality of nodes includes receiving a designation of a primary source node, determining possible destination nodes from the designated source node and outputting information indicating the possible destination nodes. The method further includes receiving a designation of a destination node from among the possible destination nodes and updating information regarding optical characteristics based on a route from the source node to the designated destination node and outputting information related to the updated optical characteristics. | 2008-12-04 |
20080298240 | NODE AVAILABILITY PREDICTION-BASED GRID NETWORK CONGESTION CONTROL DEVICE AND METHOD THEREFOR - A system and method are disclosed, which controls congestion to efficiently transmit data through a network of grid node network in a grid computing environment where a large amount of data is processed. The system and method are performed in such a way that, according to a grid application program's request for distributed processing a large amount of data, the data is divided into packets, the node availability of respective nodes distributed in the grid network is measured with consideration to the bandwidth and the queue size of available grid nodes to avoid and control network congestion that may occur when the packets are processed by distributed processing using the respective nodes, the average node availability of all nodes is predicted using a statistical method, a threshold is calculated based on the predicted average node availability to set a dynamic congestion area representing the congestion level of the respective nodes, and the amount of packet transmission is controlled based on the congestion area. As the grid nodes are managed by controlling congestion, packet loss and packet delay are reduced and the rate of packet processing and the rate of node use are increased. Therefore, data can be stably transmitted to the grid user through the network with an improvement in the Quality of Service (QoS). | 2008-12-04 |
20080298241 | APPARATUS AND METHODS FOR REDUCTION OF TRANSMISSION DELAY IN A COMMUNICATION NETWORK - Apparatus and methods for reducing latency in coordinated networks. The apparatus and methods relate to a protocol that may be referred to as the Persistent Reservation Request (“p-RR”), which may be viewed as a type of RR (reservation request). p-RR's may reduce latency, on average, to one MAP cycle or less. A p-RR may be used to facilitate Ethernet audiovisual bridging. Apparatus and methods of the invention may be used in connection with coaxial cable based networks that serve as a backbone for a managed network, which may interface with a package switched network. | 2008-12-04 |
20080298242 | SYSTEMS AND METHODS FOR TRANSMISSION AND RECEPTION OF DATA INCLUDING PROCESSING AND BUFFERING FEATURES - The present invention relates to a wireless data system which has a transmitter including a transmission buffer. The transmitter is configured to transmit a plurality of packets of encoded data, wherein a level of the transmission buffer is encoded in one of the packets of encoded data. The system further has a wireless receiver for receiving the plurality of packets. The receiver has at least one receiving component that receives the plurality of packets to generate a plurality of decoded signals, wherein the at least one receiving component is configured to receive one of the packets of encoded data from the transmitter to determine the level of transmission buffer. The receiving component is further configured to store the plurality of packets received in a receive buffer, to determine the level of the receive buffer, and to calculate an aggregate buffer level from the transmission buffer and the receive buffer. The receiver controls a packet output rate from the receive buffer to maintain the aggregate buffer level at a desired level. | 2008-12-04 |
20080298243 | Traffic Policing - An apparatus and a method are described in which a flow of packets is distributed in several separate flows over several links ( | 2008-12-04 |
20080298244 | APPARATUS AND METHOD FOR CACHING LOOKUPS BASED UPON TCP TRAFFIC FLOW CHARACTERISTICS - The classification system of a network device includes a cache in which a mapping between predefined characteristics of TCP/IP packets and associated actions are stored in response to the first “Frequent Flyer” packet in of a session. Selected characteristics from subsequent received packets of that session are correlated with the predefined characteristics and the stored actions are applied to the received packets if the selected characteristics and the predefined characteristics match, thus reducing the processing required for subsequent packets. The packets selected for caching may be data packets. For mismatched characteristics, the full packet search of the classification system is used to determine the action to apply to the received packet. | 2008-12-04 |
20080298245 | Scheduling Strategy For Packet Switched Traffic - The invention provides a leaky-bucket method for delivering packets from a first node (A) to a second node (B) in a packet switched network, comprising the steps of: receiving at the first node (A) of at least one transmission comprising buffered packets, and at least one transmission comprising real-time packets; transmitting the received packets to the second node (B) and increase a bucket counter for the bucket, which bucket has a leak rate that is equal to or larger than the byte transmitting ratio of the real-time packets. The method is particularly characterize in that: the bucket size for the buffered packets is set to a first size; the bucket size for real-time packets is set to a second size that is larger than the first bucket size; real-time packets are transmitted to the second node (B) upon arrival at the first node (A), provided that a bucket counter indicates that the second bucket size is not overflowed; buffered packets are transmitted to the second node (B) when the bucket counter indicates that it has leaked enough to receive a buffered packet without overflowing said first bucket size. The invention is also providing an improved node arranged to perform the improved method for a leaky-bucket. | 2008-12-04 |
20080298246 | Multiple Link Traffic Distribution - In one embodiment, a node comprises a plurality of interface circuits coupled to a node controller. Each of the plurality of interface circuits is configured to couple to a respective link of a plurality of links. The node controller is configured to select a first link from two or more of the plurality of links to transmit a first packet, wherein the first link is selected responsive to a relative amount of traffic transmitted via each of the two or more of the plurality of links. | 2008-12-04 |
20080298247 | Method and Apparatus for Vocoder Rate Control in a Wireless Network - A packet filter function in a wireless communication network monitors congestion and communicates a congestion indication to one or more vocoders. In one embodiment, the congestion indication comprises a vocoder source rate calculated by the packet filter function in response to the congestion. The reduced vocoder source rate frees system resources that can be allocated to new users to alleviate the congestion. The vocoder source rate may be communicated to the vocoder(s) in a variety of ways. | 2008-12-04 |
20080298248 | Method and Apparatus For Computer Network Bandwidth Control and Congestion Management - In one embodiment, a network switch includes first logic for receiving a flow, including identifying a reaction point as the source of the data frames included in the flow. The network switch further includes second logic for detecting congestion at the network switch and associating the congestion with the flow and the reaction point, third logic for generating congestion notification information in response to congestion, and fourth logic for receiving control information, including identifying the reaction point as the source of the control information. The network switch further includes fifth logic for addressing the congestion notification information and the control information to the reaction point, wherein the data rate of the flow is based on the congestion notification information and the control information. The content of the data frames included in the flow is independent of the congestion notification information and the control information in a first mode of the network switch. | 2008-12-04 |
20080298249 | METHOD FOR SELECTION OF AN ASSOCIATION ACCESS POINT FOR A STATION IN A MESH NETWORK - A method for selection of the association access point for a station in an infrastructure mesh network based on received signal strength and one or more “association bias” weights received from neighboring access points. Each weight corresponds to a packet length category. In one embodiment, stations measure received signal strength for received signals and decode the association bias information field(s) and corresponding packet length category thresholds that are received in management frames such as beacons. Stations use this information to select an access point for association that will minimize the overall mesh resource utilization for the traffic (i.e. packet lengths) being transmitted. The method includes three elements: network assistance, access point actions, and station actions. | 2008-12-04 |
20080298250 | Method and Arrangement for Link Cost Determination for Routing in Wireless Networks - The invention relates to determination of a link cost employable in route determination and data forwarding in a multihop communication network ( | 2008-12-04 |
20080298251 | INTEGRATING LOCAL CONGESTION AND PATH INTERFERENCE INTO QoS ROUTING FOR WIRELESS MOBILE AD HOC NETWORKS - A method and apparatus is provided for using a distributed multi-path QoS-aware routing scheme that considers basic MANET characteristics to meet transport service requirements of real-time applications and makes use of multiple discovered paths to calculate a next-hop decision. The QoS Routing scheme superimposes distributed neighborhood congestion, neighborhood density, and link stability and delay information over the multiple discovered paths when the next-hop decision is calculated. | 2008-12-04 |
20080298252 | METHOD OF ROUTING TRAFFIC IN A NETWORK - Methods, systems, and apparatuses are described for communicating among stations in a network. A station in the network can determine costs between that station and a headend through a number of other stations and selecting a low cost path from among the possible paths. Cost data from the determination can be transmitted from the station to other stations in the network for use in selecting low cost paths at those stations. | 2008-12-04 |
20080298253 | Managing Recordings of Communications Sessions - A device for recording the content of live communications sessions allocates each session with a unique identifier which is also communicated to a server, exchange, switch or endpoint having control of that session. A log of events occurring in the session is updated with the unique identifier of the recorded content, and following the session, the log of events is communicated to the recording device, indexed under the unique identifier, and stored with the recorded content of the session itself | 2008-12-04 |
20080298254 | Time-Slotted Protocol With Arming - The method augments the time-slotted protocols with additional features that allow arming functions to be implemented as an inherent part of the protocol. | 2008-12-04 |
20080298255 | Communication terminal - According to an aspect of the invention, there is provided a communication terminal including: an interrupt factor detecting unit configured to detect an interrupt factor causing data transmission interrupt if data transmission is performed with an external terminal; and a transmission unit configured to transmit a response added with an error code corresponding to the interrupt factor to the external terminal in response to a request transmitted from the external terminal if the interrupt factor detecting unit detects the interrupt factor during data transmission between the external terminal serving as a client and the communication terminal serving as a server. | 2008-12-04 |
20080298256 | Distributed System - There is known a method for identifying faults in a distributed system, in which multiple nodes mutually monitor one another and identify faults using two different fault identification conditions and majority voting in order to share information and achieve high reliability fault identification. However, in such configuration, abnormality occurrences are counted irrespective of the abnormality types, and as a result the application cannot grasp accurate and detailed fault situations, and therefore cannot handle faults depending on the fault type. | 2008-12-04 |
20080298257 | METHOD AND APPARATUS FOR DETECTING A ROUTER THAT IMPROPERLY RESPONDS TO ARP REQUESTS - One embodiment of the present invention provides a system that detects a non-compliant router that incorrectly responds to all address-resolution-protocol (ARP) requests, including ARP requests and ARP probes for link-local IP addresses. This is accomplished by sending an ARP request asking for an Ethernet address associated with a link-local IP address, wherein the link-local IP address is a reserved link-local IP address, which should not be assigned to any device. If a response is received to the ARP request, the system determines that the response was sent by a non-compliant router that incorrectly responds to all ARP requests, including ARP requests for link-local IP addresses. | 2008-12-04 |
20080298258 | Information transfer capability discovery apparatus and techniques - Information transfer capability discovery apparatus and techniques are disclosed. A received tracing message for tracing a communication path in a communication system is processed in some embodiments by generating and sending a response to the received tracing message. The tracing message response includes an indication of an information transfer capability of a communication link that comprises the communication path being traced by the tracing message. A further tracing message based on the received tracing message may also be forwarded in the communication system. The further tracing message may be associated with a different domain than the received tracing message in a communication system that includes multiple domains such as maintenance domains. In a multi-domain system, indications of information transfer capability could be included in further tracing messages instead of in responses. | 2008-12-04 |
20080298259 | Apparatus and methods of determining configurations for handling communication path management traffic - Apparatus and methods of determining configurations for handling communication path management traffic are disclosed. Respective communication path management traffic handling configurations of communication system elements that terminate a communication link, which is a portion of a communication path, are determined. If the respective communication path management traffic handling configurations indicate that the communication system elements have been configured to pass communication path management traffic associated with the communication path toward endpoints of the communication path, then communication path management traffic for managing the communication path is exchanged through the communication link. Indications of a communication path management traffic handling configuration may be exchanged between the communication system elements during establishment of the communication link. | 2008-12-04 |
20080298260 | OPERATIONAL STATUS TESTING APPARATUS AND METHOD FOR ETHERNET-BASED AUTOMATIC PROTECTION SWITCHING PROCESS - Provided is an operational status testing apparatus and method for an Ethernet-based APS process. A test command signal which contains a command to perform an operational test for the APS process of a first node and a second test response signal that indicates that the operation of the APS process of a second node is performed normally, from among far end request signals that are received from the second node connected to own first node via an Ethernet network, are filtered. When the far end request signals are test command signals, a first test response signal that indicates that the operation of the APS process of the first node is performed normally is generated, and a top priority local request signal is selected based on priorities of the first test response signal and at least one local request signal that indicates the status of the APS process of the first node, and an output signal to be transmitted to the second node is determined based on priorities of the top priority local request signal and the filtered the far end request signal. The function for testing the operational status for the APS process defined in ITU-T recommendation G.8031 is embodied, and when an operational status test request is received from another node, the APS process can be tested effectively without having to perform a complicated diagnosis operation for the APS process. | 2008-12-04 |
20080298261 | Reconfigurable Test System - There is disclosed a reconfigurable network test system. The reconfigurable test system may include a plurality of test modules, a plurality of network interface units, a plurality of bypass units, and a multi-port switch. Each of the network interface units may have a first end and a second end adapted to be connected to a network. Each bypass unit may be in communication with an associated test module, the first end of an associated network interface unit, a first associated switch port, and a second associated switch port. Each bypass unit may have a first mode wherein the associated test module is placed in communication with the first end of the associated network interface unit, and a second mode wherein the associated test module is placed in communication with the first associated switch port and the associated network interface unit is placed in communication with the second associated switch. | 2008-12-04 |
20080298262 | Broadband Test Line Access Circuit, Broadband Test-Line Access Board And Broadband Test Device - A broadband test line-access unit, including a first test terminal, a second test terminal, a third test terminal, a signal splitter, a first switch, a second switch, a third switch, a first interface terminal, a second interface terminal and a third interface terminal. A broadband test line-access board, including at least two broadband test line-access units, a set of internal test buses, a fourth switch, a fifth switch and a sixth switch, the set of internal test buses including an internal inner-test bus, an internal outer-test bus and an internal auxiliary-test bus. A broadband test device, including at least one broadband test line-access boards, an eighth switch, a ninth switch, a test control module. The broadband test device is of simple structure and low cost, facilitates a port level N+1 backup function within a board, and thus can provide improved communication reliability. | 2008-12-04 |
20080298263 | Terminal Apparatus, Terminal Apparatus Control Method, Network System, Network System Control Method, Program and Recording Medium - There is provided a terminal apparatus capable of, when the volume of packets received by the terminal apparatus is abnormally increased, disconnecting the terminal apparatus from a network and continuously performing a process other than a process regarding received packets by the steps of detecting the number of packets received from the network in a predetermined time, logically disconnecting the terminal apparatus from the network when the number of packets exceeds a predetermined value, and reconnecting the terminal apparatus to the network after a predetermined time has elapsed. | 2008-12-04 |
20080298264 | Method and Apparatus for Channel Estimation in a Transmit Diversity Environment - A method of channel estimation for a signal having a first portion transmitted using a transmit delay diversity scheme and a second portion transmitted using another multi-antenna transmission scheme includes determining a composite channel estimate from the transmit delay diversity portion of the signal. The method continues with segregating the composite channel estimate into delay groups corresponding to time offsets of the transmit delay diversity scheme for determination of first channel estimates for each subset of transmit antennas. Second channel estimates are determined for each subset of transmit antennas as a function of pilot symbols received in the second portion of the signal and corresponding ones of the first channel estimates. Thus, the first channel estimates are used to improve estimation of the second channel estimates. The method and variations of it may be implemented by configuring one or more processing circuits within a receiver circuit. | 2008-12-04 |
20080298265 | Convergence measurement in computer network - A system and method for measuring convergence performance in a network are disclosed. In one embodiment, the method includes receiving a plurality of probes at a network device, temporarily storing data from at least a portion of the received probes and deleting at least a portion of the temporarily stored data at regular intervals, and receiving a packet indicating a convergence event and storing data from probes received over a predetermined period. | 2008-12-04 |
20080298266 | METHOD AND SYSTEM FOR ASSESSING STATUSES OF CHANNELS - An assessment system classifies a plurality of channels to several channel groups according to the characteristics of the channel groups and assesses the status of each channel by a corresponding method, such as a period comparison method or a SNR comparison method, defined based on the channel groups. Hence, the present invention allows simpler computations to be made and a simpler circuit structure to be used. | 2008-12-04 |
20080298267 | AUTOMATIC CONFIGURATION OF NETWORK FOR MONITORING - A system, method and computer readable medium are provided for configuring network interfaces grouped into nodes for monitoring functionality. According to the method, a base address and subnet mask for the network interfaces are received, and a monitoring address is automatically generated for each of the network interfaces based on the base address, the subnet mask, and the nodes. The monitoring addresses is generated such that the monitoring address for each of the network interfaces is on a different subnet than the monitoring addresses for all of the other network interfaces in the same node as that network interface. Additionally, the monitoring addresses are assigned to the network interfaces for use by the monitoring process, with each of the monitoring addresses being assigned by being added as an additional network interface address of its network interface. Also provided is a method for monitoring functionality of network interfaces and providing fault recovery. | 2008-12-04 |
20080298268 | COMMUNICATION SYSTEM, INFORMATION PROCESSING APPARATUS, CONTROLLED DEVICE, INFORMATION PROCESSING METHOD AND PROGRAM - A communication system including a controlled device to be controlled and an information processing apparatus, in which the controlled device includes a transmission means for transmitting a message indicating that an event has occurred to the information processing apparatus and a control means for performing processing according to a request from the information processing means, and in which the information processing apparatus includes a receiving means for receiving the message indicating that the event has occurred at the controlled device, which has been transmitted from the controlled device and a request means for deciding processing performed by the controlled device according to the event indicated by the message received by the receiving means and requesting the controlled device to perform the decided processing. | 2008-12-04 |
20080298269 | METHOD AND DEVICE FOR BUFFERING DATA PACKETS TRANSMITTED VIA A PLESIOCHRONOUS SIGNAL - The device for buffering packets emanating from a sending source ( | 2008-12-04 |
20080298270 | Upstream Signal Quality Monitoring - The problem is that a measurement of the average signal quality (average modulation error ratio), does not identify poor quality signals that may be originating from an individual cable modem. The device of the present invention displays the modulation error ratio (MER) for each packet received. Since the media access control (MAC) address is associated with a packet received from an individual cable modem, a graph displaying the MER for each packet received is also displaying the MER for signals from the individual cable modems. Thus a technician viewing the display will be able to identify whether a low MER is a result of an impairment in the network or the from an individual cable modem. | 2008-12-04 |
20080298271 | COMMUNICATION-QUALITY MEASURING APPARATUS, COMMUNICATION-QUALITY MEASURING METHOD, AND COMPUTER PROGRAM - A communication quality measuring apparatus comprising a connecting section establishing a connection to the packet exchange network, a capturing section capturing packets transferred over the packet exchange network, an accumulating section accumulating the packets, a control section repeating the capturing of packets in sections of fundamental processing times, a setting section setting the capturing time and the interval time within each fundamental processing time, and a determining section determining whether or not the amount of load on hardware resources of the communication-quality measuring apparatus is greater than a predetermined value. | 2008-12-04 |
20080298272 | INTERLEAVING OF INFORMATION BITS - The disclosed embodiments relate to a method in a transmitter for interleaving information bits from a data block into transmission bursts. Each of the information bits is assigned with an index. The interleaving includes computing positions of the information bits in the transmission bursts such that the values of the indexes of at least a portion of the information bits are modified. At a receiver it is determined if the value of any of the indexes has been modified before transmission of the transmission bursts. Based on the determination, de-interleaving of the information bits is then accomplished based on modified values of the indexes or originally assigned values of the indexes. | 2008-12-04 |
20080298273 | Method For Establishing a Communication Relationship in at Least One Communication Network - The invention relates to a method for establishing a communication link. According to said method, to establish said link, a communications unit transmits at least one message that initiates the establishment of the communications link in at least one communications network and at least one corresponding confirmation is transmitted with the aid of a broadcast transmission method in the direction of the initiating communications unit. The information that represents the initiating communications unit is stored in the communications network or networks. The confirmation(s) that has or have been transmitted with the aid of the broadcast transmission method is detected and target information that is contained in said confirmation is compared to the stored information. If the compared information agrees at least partially, the confirmation(s) is or are routed to the initiating communication unit represented by the communication unit. | 2008-12-04 |
20080298274 | METHOD FOR CONFIGURING VIRTUAL NETWORK AND NETWORK SYSTEM - A first computer stores a correspondence between a virtual channel and a physical channel(s) in physical channel information and transmits the correspondence between the virtual channel and the physical channel(s) to a second computer having a virtual network interface to which a data transmission instruction is addressed. Upon receiving the correspondence between the virtual channel and the physical channel(s), the second computer stores the received correspondence in the physical channel information. The first computer transmits data in accordance with the data transmission instruction, using one or more physical channels associated with the virtual channel, based on the correspondence stored. | 2008-12-04 |
20080298275 | Autonomous Infrastructure Wireless Networks - A method for deploying a cellular wireless communication network is provided. The method consists of: providing one or more micro base stations; autonomously deploying the micro base stations using a network access point linked to a cellular wireless communication network; and enabling configuration of the micro base stations to execute network operation commands from a network controller associated with the wireless communication network. Another aspect consists of enabling cooperation and network connectivity between micro base stations and other base stations, including micro base stations and large network base stations. Network connectivity to one or more cellular communication terminals associated with individuals or businesses subscribing to the cellular wireless communication network is enabled. A wireless network is also provided which is configurable to link a cellular wireless network through a high data transmission connection so as to define at least one access point between the micro base station and the wireless network. The network includes a wireless interface and receives operation commands from a network controller for configuration of micro base stations, to support the linking of cellular wireless terminals to the wireless network via the wireless interface by operation of the micro base station, as an intermediary. A corresponding system and computer readable medium is also provided | 2008-12-04 |
20080298276 | Analytical Framework for Multinode Storage Reliability Analysis - A analytical framework is described for quantitatively analyzing reliability of a multinode storage system, such as a brick storage system. The framework defines a multidimensional state space of the multinode storage system and uses a stochastic process (such as Markov process) to determine a transition time-based metric measuring the reliability of the multinode storage system. The analytical framework is highly scalable and may be used for quantitatively predicting or comparing the reliability of storage systems under various configurations without requiring experimentation and large-scale simulations. | 2008-12-04 |
20080298277 | NEIGHBOR DISCOVERY PROXY WITH DISTRIBUTED PACKET INSPECTION SCHEME - A network device is to receive traffic including neighbor discovery messages from requesting customer devices, and can detect the neighbor discovery messages within the traffic according to a distributed inspection scheme that includes the network device and a remote component. The network device is to then examine the neighbor discovery messages to determine if the neighbor discovery message should be forwarded to other of the customer devices, and respond to the requesting customer devices. | 2008-12-04 |
20080298278 | Techniques for a mixed audio conference - Techniques for a mixed audio conference are described. An apparatus may comprise an audio video multipoint control unit to mix call information from multiple call connections established over a packet-switched network for a conference call. The apparatus may comprise a telephony gateway communicatively coupled to the audio video multipoint control unit. The telephony gateway may establish a bridge connection with a conference bridge servicing a call connection over a circuit-switched network, the telephony gateway to translate call information from the call connection for use by the audio video multipoint control unit. Other embodiments are described and claimed. | 2008-12-04 |
20080298279 | SECURITY AND SUPPORT FOR FLEXIBLE CONFERENCING TOPOLOGIES SPANNING PROXIES, FIREWALLS AND GATEWAYS - A method and system for setting up and managing secure data/audio/video conferences with a wide range of topologies is described. The disclosed method and system allow extending the range of topologies possible with the H.323 conferencing standards while overcoming T.120 negotiating constraints. Security in such conferences may be based on a trusted node system or on more complex security procedures. Furthermore, the taught conference topologies fully utilize the T.120 standards while also permitting the reach of the conferences to the extent enabled by the H.323 standards by implementing additional modules to manage the setting up and tearing down of one or more conference connections. In addition, the method and system allow for dynamically adjusting conference connections to improve bandwidth usage and utilize H.323 support for gatekeepers. | 2008-12-04 |
20080298280 | METHOD FOR DYNAMICALLY IDENTIFYING LOCATIONS OF MOBILE NODES IN A TIME DIVISION MULTIPLE ACCESS BASED AD HOC COMMUNICATION NETWORK - Disclosed is a method for dynamically identifying locations of a plurality of mobile nodes in a time division multiple access (TDMA) based ad hoc communication network, wherein one or more mobile nodes are being moved in and out of a predefined region. The method comprises allocating a hello slot in a dedicated channel of the TDMA based ad hoc communication network to each of the mobile nodes and announcing the allocation to the mobile nodes through hello slot allocation map, receiving location information from each of the mobile nodes during their hello slot and determining mobile nodes that are inside the predefined region based on the received location information, allocating a data slot to each determined mobile nodes inside the predefined region and announcing the allocation to the mobile nodes through data slot allocation map, and receiving updated location information from each determined mobile nodes during their data slot. | 2008-12-04 |
20080298281 | Method and system for automated determination of inter-system border thresholds - A method and system for determining thresholds for evaluating inter-system handovers in a wireless communication system includes determining a quality level of a first digital duplexing type, determining a quality level of a second digital duplexing type, and comparing the quality levels to determine whether to handover from the first digital duplexing type to the second duplexing type. | 2008-12-04 |
20080298282 | EFFICIENCY AND RESILIENCY ENHANCEMENTS FOR TRANSITION STATES IN AD HOC NETWORKS - A method includes establishing an ad hoc network between at least a borrower and at least one lender of bandwidth and downloading requested data from a data source via the ad hoc network. The method further includes leaving the ad hoc network while maintaining some of the downloaded requested data. The method further includes reestablishing a connection to the data source for completing the downloading of the requested data. | 2008-12-04 |
20080298283 | COALITION FORMATION AND SERVICE PROVISIONING OF BANDWIDTH SHARING AD HOC NETWORKS - Method, system, and computer program product for enabling dynamic creation of a coalition of multiplexed ad hoc networks to form larger ad hoc networks for service provisioning, in which multiplexers can be connected together in either a hierarchical structure or a parallel structure. Includes method, system, and computer program product for forming an ad hoc network composed of a multiplexer coupling a borrower to at least one lender and forming a coalition composed of the ad hoc network and at least one other multiplexer. | 2008-12-04 |
20080298284 | MARKET-DRIVEN VARIABLE PRICE OFFERINGS FOR BANDWIDTH-SHARING AD HOC NETWORKS - Systems and methods to establish and execute market-driven variable price offerings among the lenders and borrowers in a bandwidth-sharing ad hoc network for shared bandwidth usage. The method comprises establishing and executing market-driven variable price offerings among lenders and borrowers. A bandwidth-sharing ad hoc network for shared bandwidth usage is formed based on the established and executed market-driven variable price offering. | 2008-12-04 |
20080298285 | Efficient, Secure Digital Wireless Voice Telephony Via Selective Encryption - Secure, digital, packet-switched, voice telephony calls are wirelessly transmitted in an efficient manner that reduces air interface bandwidth consumption by encrypting only vocoder data frames containing encoded speech, and not encrypting vocoder data frames that do not contain speech, such as those containing silence parameters. The collective reduced bandwidth consumption across a large number of voice telephony calls may allow for the admission of one or more new calls during times of voice telephony congestion. Not encrypting the silence parameters does not compromise call privacy or security, since the silence data frames do not carry any speech. The classification of encoded data frames as containing speech or not may be performed in a variety of ways. | 2008-12-04 |
20080298286 | FRAMEWORK FOR MANAGING NETWORK DATA PROCESSING ELEMENTS - In one embodiment an apparatus comprises a transceiver in data communication with an associated network and control logic coupled to the transceiver. The control logic is operable to send data to the associated network and receive data from the associated network via the transceiver. The control logic is configured to determine a network element for processing a data stream. The control logic is configured to acquire the network element from the associated network responsive to determining the network element for processing the data stream. | 2008-12-04 |
20080298287 | PRIORITY SCHEME FOR COMMUNICATION SYSTEM - A priority scheme method ( | 2008-12-04 |
20080298288 | POWER SAVE MODE FOR WIRELESS STATION WITH STATION-TO-STATION LINK ASSOCIATION - While maintaining a direct station-to-station link (STSL) with a second wireless client device in a centralized network, a first wireless client device may enter a doze mode, in which it cannot transmit or receive, and wake up periodically only to check for queued-up traffic from its associated access point. If the second wireless device in the STSL has data to send to the dozing first wireless device, it may do so by sending a notice to the first wireless device through the associated access point, which may queue up the notice until the first wireless device wakes up. When the first wireless device receives the notice, it may resume STSL communications with the second wireless device. | 2008-12-04 |
20080298289 | Power management for wireless devices - In some embodiments, a method to manage power in a wireless communication device, comprises in a wireless networking adaptor, changing an operational status of a wireless networking adaptor to a sleep mode and transmitting a sleep message from the wireless networking adaptor to a host driver in an electronic device coupled to the networking adaptor, in the electronic device, determining whether a sleep duration specified in the sleep message exceeds a threshold, in response to a determination that the sleep duration specified in the sleep message exceeds a threshold implementing a selective suspend operation on the electronic device, and monitoring for a wake event, and in response to a determination that the sleep duration specified in the sleep message does not exceed a threshold, flushing one or more bulk IN buffers, and monitoring for a wake event. | 2008-12-04 |
20080298290 | Systems and Methods for Indicating Buffered Data at an Access Point with Efficient Beacon Handling - Stations in standby mode periodically wake up to check for buffered data at the access points. Traditionally, the information is available by checking the periodic beacon frame for a traffic indication map (TIM). Unfortunately, the length of beacons has steadily increased with the progression of the various wireless standards requiring stations to wake up for longer periods to merely check for buffered data. Several approaches are disclosed which address this shortcoming, including the broadcast of TIM frames, the partial reception of beacon frames and the use of an embedded TIM frame within a beacon frame. | 2008-12-04 |
20080298291 | SEMICONDUCTOR DEVICE - Aiming at realizing high breakdown voltage and low ON resistance of a semiconductor device having the super-junction structure, the semiconductor device of the present invention has a semiconductor substrate having an element forming region having a gate electrode formed therein, and a periphery region formed around the element forming region, and having an field oxide film formed therein; and a parallel p-n layer having n-type drift regions and p-type column regions alternately arranged therein, formed along the main surface of the semiconductor substrate, as being distributed over the element forming region and a part of the periphery region, wherein the periphery region has no column region formed beneath the end portion on the element forming region side of the field oxide film and has p-type column regions as at least one column region formed under the field oxide film. | 2008-12-04 |
20080298292 | Wireless Broadband Mobile Station and Method for Measuring Preamble and Determining Effective Sleep Period - A wireless broadband Internet (WiBro) terminal and a method of determining a sleep mode of a WiBro terminal, which can measure a strength of a preamble signal and determine an effective sleep interval are provided. A WiBro terminal, which can measure a strength of a preamble signal in the listening mode during an L frame after operating in a sleep mode during an N1 frame, and operate in a sleep mode during either an N1 or 2*N1 frames, or perform a normal operation when MOB_TRF_IND is positive, resulting from the comparing the strength with a threshold value, is provided. | 2008-12-04 |
20080298293 | PEER-TO-PEER GROUP CALL SUPPORT IN A COMMUNICATION SYSTEM - A method for supporting telecommunications over a wide area network. The method can include receiving telecommunications content and a group identifier from a first remote unit ( | 2008-12-04 |
20080298294 | Inter-Domain Group-Communications - The invention relates to group communication services, i.e. communication services involving two or more users (or service participants). The invention provides a method for distributing multicast data of a multicast service to different domains and a method for distributing multicast data to service participants in a domain. Further, the invention relates to a control node and system implementing the respective methods. To improve resource utilization when providing a multicast service, including inter alia PoC services, to service participants the invention provides mechanisms to avoid unnecessary multiplication of multicast data in the distribution tree for multicast services with service participants of different domains. For this purpose the controlling node that is initiating the multicast service upon request determined to which domains the multicast data is to be provided and only forwards the multicast data on a per-domain basis. Another aspect of the invention is the avoidance of unnecessary duplications of multicast data within individual domains. | 2008-12-04 |
20080298295 | Apparatus and Method for Modulating of On-Channel Repeater - Provided is a modulating apparatus and method of an on-channel repeater. An object of the present invention is to provide a modulating apparatus of an on-channel repeater for reducing time delay by configuring and up-sampling a baseband signal, filtering the up-sampled baseband signal with an Equi-Ripple (ER) filter or in a window method, and converting the filtered baseband signal into an RF signal. The modulating apparatus includes: a baseband signal configuring unit for configuring a baseband, signal by combining an input field and a segment sync signal; a pilot adding unit for adding a pilot signal to the baseband signal; a filtering unit for filtering the baseband signal with the pilot signal; and an RF up-converting unit for up-converting the filtered signal into an RF signal. The present invention is used to form an on-channel repeating network in a transmitting system including a digital TV broadcasting system. | 2008-12-04 |
20080298296 | METHOD FOR TRANSMITTING MULTICAST DATA IN WIMAX/WIBRO RELAY SYSTEM - A method for transmitting multicast data in a WiMax/WiBro relay system, including transmitting carrier-interference-noise ratios from UEs to corresponding Relays; selecting the minimum value among the carrier-interference-noise ratios; determining the modulation and coding mode according to the selected minimum value; transmitting the modulation and coding mode to BS; selecting a modulation and coding mode with a highest rate for multicast data on an access link; transmitting the final modulation and coding mode to the Relays; and transmitting data via the access link with the modulation and coding mode determined by the BS. | 2008-12-04 |
20080298297 | INTEGRATED ACCESS CONTROL SYSTEM AND A METHOD OF CONTROLLING THE SAME - An access control system including a base station located near a stationary target site used to control access to the stationary target site and satellite access station coupled to the exterior of a satellite target site used to control access to the satellite target site. The base station includes an identification device, storage device, a control unit, a user interface and a transceiver. A master database containing a list of access information for all of the satellite access stations is stored in the storage device. Each satellite access station includes a second identification device, a second storage device, a control unit and a second transponder. A satellite database contains a list of access information for the satellite target site. Information contained in the master database for a particular satellite access station is provided to the particular satellite access station and stored in the satellite database. | 2008-12-04 |
20080298298 | Low Profile Mobile Tri-Band Antenna System - Provided is a mobile tri-band antenna system having low profile. The antenna system includes a tri-band feeding unit for dividing a satellite broadcasting signal by a signal channel in an azimuth angle and an elevation angle, and transmitting/receiving the satellite communication signal through distinguishing the satellite communication signal; a beam shaping unit for dividing the satellite broadcasting signals into a first channel signal and a second channel signal, combined power thereof through channel switching; an antenna controlling unit for driving an antenna system in an azimuth and elevation angle to direct the satellite according to the power combined second channel signal from the beam shaping unit; a first triplexer unit for outputting the power combined first channel signal to a rotary joint unit; a second triplexer unit for converting the first channel signal inputted to a downlink frequency and providing the converted first channel signal to the indoor apparatus. | 2008-12-04 |
20080298299 | UPSTREAM RESOURCE OPTIMIZATION - Systems, methods, and devices are described for scheduling and mapping upstream communications in a satellite communications system. The disclosure includes various channelization and frequency hopping techniques. A gateway is described to perform novel allocation of time slots on upstream frequency channels to allow frequency hopping. A subscriber terminal may perform frequency hopping according to the allocation, and the range may be limited to the transition range of a digitally controlled oscillator unit at the subscriber terminal. A gateway is described to allocate time slots on different upstream frequency channels in a prioritized manner. Subscriber terminals may receive the allocation, and then control the assignment of their upstream traffic to the time slots. | 2008-12-04 |
20080298300 | Communication Control Method and System for Carrying Out Said Method - A system including communications means ( | 2008-12-04 |
20080298301 | METHOD TO SWITCH BETWEEN NETWORK-CONTROLLED AND MOBILE-CONTROLLED MOBILE IP FUNCTIONALITY - A method for prioritizing Mobile IP between PMIP and CMIP includes the steps of connecting a mobile device ( | 2008-12-04 |
20080298302 | SENSOR DEVICE, SERVER NODE, SENSOR NETWORK SYSTEM, METHOD OF ESTABLISHING COMMUNICATION PATH, CONTROL PROGRAM, AND STORAGE MEDIUM - For the purpose of allowing a sensor device ( | 2008-12-04 |
20080298303 | MULTI-LINK SUPPORT FOR NETWORK BASED MOBILITY MANAGEMENT SYSTEMS - The claimed subject matter relates to systems and methods for processing messages in a wireless communications environment. In an aspect, a communications method is provided. The method includes establishing a communications link though an access component with a network domain node and enabling at least one other communications link through at least one other access component with the network domain node. This also includes enabling concurrent communications with the network domain node via the access component or the other access component. | 2008-12-04 |
20080298304 | ROUTING METHOD IN WIRELESS MULTI-HOP NETWORK AND COMMUNICATION TERMINAL - A wireless multi-hop network communication terminal | 2008-12-04 |
20080298305 | COMMUNICATION SYSTEM, OUTPUT DEVICE, INPUT DEVICE AND WIRELESS COMMUNICATION METHOD - The objective of the invention is to enable easy recognition of a wireless communication device at the connection destination and to enable connection when wireless connection is newly made between wireless communication devices. On display | 2008-12-04 |
20080298306 | Implicit Signaling for Link Adaptation - Briefly, the invention concerns the issue of supporting link adaptation in a wireless network, and basically involves implicit signaling for link adaptation based on transfer of transmit duration information. More particularly, a designated originating node sends (S | 2008-12-04 |
20080298307 | Apparatus, Method and Computer Program for Seamless Session Transfer - The present invention relates to an apparatus and method in a telecommunication system for controlling communication services between client terminals ( | 2008-12-04 |
20080298308 | Event Notification in a Half Duplex Communication Environment - The present invention is directed towards providing event-triggered communication in a half duplex communication environment of a wireless communication network ( | 2008-12-04 |
20080298309 | PROVIDING ADVANCED COMMUNICATIONS FEATURES - Advanced communications features are provided in a mobile communications network having at least one mobile switching center and at least one mobile station subsystem. The mobile switching center and mobile station subsystem each communicate signaling messages according to a mobile signaling protocol. | 2008-12-04 |
20080298310 | CROSS CHANNEL COEXISTENCE BEACONING PROTOCOL FOR WIRELESS DYNAMIC SPECTRUM ACCESS NETWORKS - A wireless system including a plurality of WRAN's operating on different channels identifies and addresses a number of important issues relating to the current CBP mechanism (in D0.3) used for inter-cell discovery and communication. The present invention provides fundamental remedies to respectively resolve these issues. Moreover, an Enhanced Coexistence Beaconing Protocol (CBP) is provided that allows efficient, scalable, and backward-compatible cross-channel inter-cell communications for IEEE 802.22 systems. | 2008-12-04 |
20080298311 | METHOD AND SYSTEM FOR INTERCONNECTING BROADBAND WIRELESS ACCESS NETWORK WITH OPTICAL ACCESS BROADBAND NETWORK - A method and system for interconnecting a broadband wireless network with a wired network includes interconnecting a broadband wireless access (BWA) network with an optical access (OAN) broadband network at any reference point among reference points T, a, ODN, and V in the OAN broadband network, and interconnecting them with a digital subscriber line (DSL) network by the reference point V in the DSL network. The method of the present invention can solve the problem of the interconnection between the worldwide interoperability for microwave access (WiMAX) network and the OAN broadband network, and the DSL network. An evolution approach is provided for the OAN broadband network operator and the DSL network operator to develop the WiMAX network. | 2008-12-04 |