Patent application number | Description | Published |
20080260015 | METHOD AND APPARATUS FOR IMPROVED HIGH-SPEED ADAPTIVE EQUALIZATION - A method and apparatus for improved high-speed adaptive equalization that may operate effectively even in systems experiencing severe interference by using one or more error generators and taking multiple samples across a bit interval. Advantageously, a preferred embodiment of the current invention may be deployed in a clockless configuration. Preferably, one or more controllable analog filters may be controlled by one or more microprocessors used to assess the error data from the error generators and to calculate the appropriate coefficients for the filters according to one or more error minimization algorithms. Preferably, the steps of sampling, assessment, calculation and coefficient setting may be done iteratively to converge to an optimum set of filter values and/or respond dynamically to signals with time-varying noise and interference characteristics. | 10-23-2008 |
20100241923 | Communication device employing LDPC (Low Density Parity Check) coding with Reed-Solomon (RS) and/or binary product coding - Communication device employing LDPC (Low Density Parity Check) coding with Reed-Solomon (RS) and/or binary product coding. An LDPC code is concatenated with a RS code or a binary product code (e.g., using row and column encoding of matrix formatted bits) thereby generating coded bits for use in generating a signal that is suitable to be launched into a communication channel. Various ECCs/FECs may be employed including a BCH (Bose and Ray-Chaudhuri, and Hocquenghem) code, a Reed-Solomon (RS) code, an LDPC (Low Density Parity Check) code, etc. and various implementations of cyclic redundancy check (CRC) may accompany the product coding and/or additional ECC/FEC employed. The redundancy of such coded signals as generated using the principles herein are in the range of approximately 20% thereby providing a significant amount of redundancy and a high coding gain. Soft decision decoding may be performed on such coded signal generated herein. | 09-23-2010 |
20100241926 | Communication device employing binary product coding with selective additional Cyclic Redundancy Check (CRC) therein - Communication device employing binary product coding with selective additional cyclic redundancy check (CRC) therein. Product code encoding (e.g., employing row and column encoding of matrix formatted bits, selectively with interleaving and/or permutation of the bits therein) may be combined with additional error correction code (ECC) or forward error correction (FEC) coding thereby generating coded bits for use in generating a signal to be launched into a communication channel. Various ECCs/FECs may be employed including a BCH (Bose and Ray-Chaudhuri, and Hocquenghem) code, a Reed-Solomon (RS) code, an LDPC (Low Density Parity Check) code, etc. The redundancy of such coded signals as generated using the principles herein is in the range of approximately 7%, and hard decision decoding may be performed on such coded signals generated herein. In accordance with decoding such signals, various bit decisions (within certain iterations) may be selectively ignored and/or reverted back to previous bit decisions. | 09-23-2010 |
20110249967 | Method and System for Adaptively Setting a Transmitter Filter for a High Speed Serial Link Transmitter - A communication device may be operable to determine, in an optical module, a signal quality associated with each of one or more host transmitter filters in a host circuit. The signal quality may be communicated from the optical module to the host circuit via a management interface. The communication device may control, in the host circuit, configuration of each of the host transmitter filters based on the signal quality. The communication device may be operable to determine, in the host circuit, a signal quality associated with each of one or more module transmitter filters in the optical module. The signal quality associated with each of the module transmitter filters may be communicated from the host circuit to the optical module via the management interface. The communication device may control, in the optical module, configuration of each of the module transmitter filters based on the signal quality. | 10-13-2011 |
20120134407 | ADAPTIVE EQUALIZATION WITH GROUP DELAY - Methods, apparatuses, and systems are presented for performing adaptive equalization involving receiving a signal originating from a channel associated with inter-symbol interference, filtering the signal using a filter having a plurality of adjustable tap weights to produce a filtered signal, and adaptively updating each of the plurality of adjustable tap weights to a new value to reduce effects of inter-symbol interference, wherein each of the plurality of adjustable tap weights is adaptively updated to take into account a constraint relating to a measure of error in the filtered signal and a constraint relating to group delay associated with the filter. Each of the plurality of adjustable tap weights may be adaptively updated to drive group delay associated with the filter toward a target group delay. | 05-31-2012 |
20140053042 | Communication device employing binary product coding with selective additional Cyclic Redundancy Check (CRC) therein - Communication device employing binary product coding with selective additional cyclic redundancy check (CRC) therein. Product code encoding (e.g., employing row and column encoding of matrix formatted bits, selectively with interleaving and/or permutation of the bits therein) may be combined with additional error correction code (ECC) or forward error correction (FEC) coding thereby generating coded bits for use in generating a signal to be launched into a communication channel Various ECCs/FECs may be employed including a BCH (Bose and Ray-Chaudhuri, and Hocquenghem) code, a Reed-Solomon (RS) code, an LDPC (Low Density Parity Check) code, etc. The redundancy of such coded signals as generated using the principles herein is in the range of approximately 7%, and hard decision decoding may be performed on such coded signals generated herein. In accordance with decoding such signals, various bit decisions (within certain iterations) may be selectively ignored and/or reverted back to previous bit decisions. | 02-20-2014 |
20140169499 | OPTICAL COMMUNICATION INTERFACE UTILIZING N-DIMENSIONAL DOUBLE SQUARE QUADRATURE AMPLITUDE MODULATION - The present invention is directed to data communication system and methods. More specifically, various embodiments of the present invention provide a communication interface that is configured to transfer data at high bandwidth using nDSQ format(s) over optical communication networks. In certain embodiments, the communication interface is used by various devices, such as spine switches and leaf switches, within a spine-leaf network architecture, which allows large amount of data to be shared among servers. | 06-19-2014 |
20140169789 | OPTICAL COMMUNICATION INTERFACE UTILIZING CODED PULSE AMPLITUDE MODULATION - The present invention is directed to communication system and methods. More specifically, various embodiments of the present invention provide a communication interface that is configured to transfer data at high bandwidth using PAM format(s) over optical communication networks. In certain embodiments, the communication interface is used by various devices within a spine-leaf network architecture, which allows large amount of data to be shared among servers. | 06-19-2014 |
20150023452 | OPTICAL COMMUNICATION INTERFACE UTILIZING N-DIMENSIONAL DOUBLE SQUARE QUADRATURE AMPLITUDE MODULATION - The present invention is directed to data communication system and methods. More specifically, various embodiments of the present invention provide a communication interface that is configured to transfer data at high bandwidth using nDSQ format(s) over optical communication networks. In certain embodiments, the communication interface is used by various devices, such as spine switches and leaf switches, within a spine-leaf network architecture, which allows large amount of data to be shared among servers. | 01-22-2015 |
20150195040 | OPTICAL COMMUNICATION INTERFACE UTILIZING N-DIMENSIONAL DOUBLE SQUARE QUADRATURE AMPLITUDE MODULATION - The present invention is directed to data communication system and methods. More specifically, various embodiments of the present invention provide a communication interface that is configured to transfer data at high bandwidth using nDSQ format(s) over optical communication networks. In certain embodiments, the communication interface is used by various devices, such as spine switches and leaf switches, within a spine-leaf network architecture, which allows large amount of data to be shared among servers. | 07-09-2015 |
Patent application number | Description | Published |
20110310854 | METHOD OF DETERMINING ACCESS TIMES FOR WIRELESS COMMUNICATION DEVICES - The present invention provides a method of determining access times for a wireless committee case in device. One embodiment of the method includes selecting one of a plurality of time intervals in a periodically repeating access cycle for transmission of an access request. The selection is performed based on information identifying the wireless communication device. This embodiment of the method also includes transmitting the access request over a random access channel in the selected one of the plurality of time intervals. | 12-22-2011 |
20120307717 | METHOD FOR PERFORMING A RANDOM ACCESS PROCEDURE BY A RELAY NODE IN A WIRELESS OR RADIO COMMUNICATION NETWORK, CORRESPONDING RELAY NODE AND BASE STATION - The present invention relates to a method for performing a random access procedure by a relay node operating in inband relaying mode in a wireless or radio communication network, comprising at least one base station adapted to communicate over a backhaul link with at least one relay node, said relay node being adapted to communicate over an access link with at least one user equipment, According to the present invention, the method comprises the steps of: —Configuring resources for said back-haul link and for said access link to be time-multiplexed at said relay node, —Sending messages of said random access procedure on resources configured for said backhaul link. | 12-06-2012 |
20130188605 | DE-ACTIVATION OF DATA BEARER CONNECTIONS UPON OUTGOING HANDOVER FROM A HOME CELL - The present invention relates to a home arrangement ( | 07-25-2013 |
20130215822 | IN-SEQUENCE DELIVERY OF UPSTREAM USER TRAFFIC DURING HANDOVER - The present invention relates to a donor radio access node (DeNB | 08-22-2013 |
20140016624 | SLOTTED ACCESS FOR WIRELESS COMMUNICATION DEVICES AND CONTROL THEREOF - An example method provides a method of determining access times and channels for a wireless communication device. One embodiment includes selecting, at a wireless communication device, one of a plurality of time intervals in a periodically repeating access cycle for transmission of an access signal based on an identification number identifying the wireless communication device, negotiating a preamble assignment for the selected one of the plurality of time intervals, and transmitting the access signal over an access channel in the selected one of the plurality of time intervals using a preamble corresponding to the preamble assignment. | 01-16-2014 |
20140024382 | METHOD, APPARATUS AND COMPUTER READABLE MEDIUM FOR TRAFFIC REDISTRIBUTION IN WIRELESS NETWORKS - The apparatus includes a processor. The processor is configured to determine whether to redistribute traffic, generate a message upon determining traffic is to be redistributed, the message including cell priority values, the cell priority values including a priority value for each of a plurality of carriers, and transmit the message to the one or more user equipment. | 01-23-2014 |
20140153517 | METHOD OF AND APPARATUS FOR PHYSICAL RANDOM ACCESS IN COMMUNICATION NETWORK - In an embodiment of the invention, there is proposed a method of and apparatus for accessing in a user equipment, the method including the steps of: i) performing a random access on a predetermined resource according to a channel condition of the user equipment, wherein the predetermined resource is associated with the channel condition of the user equipment; and ii) receiving, on a PDCCH, a response to the random access from an eNB. With this solution, during a random access of a user equipment, particularly a MTC device, an eNB can perform a Random Access Response (RAR) adaptively using a different number of Control Channel Elements (CCEs) according to an indication, capable of reflecting a channel condition, e.g., a signal to noise ratio, of the user equipment, thereby saving the channel resource. | 06-05-2014 |
20140160950 | METHODS AND APPARATUSES FOR FACILITATING D2D BEARER SWITCHING - A method of facilitating path switching, for a communication path between a first user equipment (UE) and a second UE, from a device to device (D2D) path to network path, includes receiving switch point information from the first UE that identifies a data block; establishing, at the access network, a connection with the first UE over an uplink path between the first UE and the access network; establishing, at the access network, a connection with the second UE over a downlink path between the network element and the second UE; setting, at the access network, a data block sequencing numbering to be the same for the uplink path and the downlink path based on the switch point information; and forwarding, at the access network, data from the first UE to the second UE via the network path, the network path including the uplink path and the downlink path. | 06-12-2014 |
20140198645 | METHOD FOR PROVIDING MULTICAST BROADCAST SERVICES CONTINUITY IN A WIRELESS NETWORK, CORRESPONDING NETWORK NODE AND USER EQUIPMENT - The present invention relates to a method for providing Multicast Broadcast Services continuity towards a user equipment part of a wireless network, said Multicast Broadcast Services being supported by at least one Multicast Broadcast Services bearer, said wireless network further providing Unicast Services to said user equipment, said Unicast Services being supported by at least one Unicast Service bearer, said Multicast Broadcast Services bearers being multiplexed with Unicast Services bearers on at least one carrier. According to the present invention, the method comprises the steps of prioritising said Multicast Broadcast Services over said Unicast services. | 07-17-2014 |
20140233515 | METHOD OF RESOURCE SCHEDULING USED FOR MACHINE TYPE COMMUNICATIONS - The invention relates to a method of implementing resource scheduling for MTC devices, the base station assigns multiple machine type communication (MTC) devices to a group, and allocates to each device a sequence number of the group respectively, informs each corresponding device of the sequence number of the device, allocates a resource set for the group, and transmits indication information, indicating the resource set, to each device via broadcast signaling, wherein, the sequence number is used to indicate the resource, in the resource set, used by the device. A MTC device determines the resource, in the resource set, used by the device based on the sequence number. The embodiment of the invention can save the overhead of MTC resource scheduling. | 08-21-2014 |
20140302811 | METHOD OF PATTERN-BASED MESSAGE TRANSMISSION - The invention provides a method of pattern-based message transmission. The method can predetermine a transmission pattern for the message transmission between a base station and a user equipment according to a service type, an equipment identifier, and etc., of the equipment and can hereby determine a transmission process of signaling and data and thus can handle the remaining transmission of either signaling or data to be performed in the predetermined pattern, which means that scheduling resources can be greatly saved and thus signaling overheads and the resource consumption can be greatly reduced. With an optimized design of a pattern, an acknowledgement message and subsequent signalings and/or data could be encapsulated in a same data packet for transmission and reception, thereby resources are further saved. This improves the efficiency of utilizing signaling greatly in general, reduces signaling overheads, and also facilitates various communication between other users in the cell, improves the efficiency of economy and saves cost. | 10-09-2014 |
20140321428 | ENHANCED INDICATION OF NETWORK SUPPORT OF SRVCC AND/OR VOICE-OVER-IMS FOR AN USER EQUIPMENT IN AN EPS NETWORK - Embodiments of the present invention include a method for enhanced indication of network support of SRVCC and/or Voice-over-IMS for an User Equipment UE in an Evolved Packet System EPS network, said method comprising at least one step based on taking into account support of SRVCC and/or Voice-over-IMS by Radio Access Network RAN nodes and/or by Radio Access Technologies RATs available for SRVCC for said UE in said EPS network. | 10-30-2014 |
20150016263 | METHOD, APPARATUS AND COMPUTER READABLE MEDIUM FOR TRAFFIC REDISTRIBUTION IN WIRELESS NETWORKS - The apparatus includes a processor. The processor is configured to determine whether to redistribute traffic, generate a message upon determining traffic is to be redistributed, the message including cell priority values, the cell priority values including a priority value for each of a plurality of carriers, and transmit the message to the one or more user equipment. | 01-15-2015 |
20150016347 | SYSTEMS FOR SWITCHING MODES IN WIRELESS SESSIONS - At least one example embodiment discloses a network control entity including a memory and a processor. The processor is configured to receive a first message from a gateway if a user equipment (UE) is in a first data transmission mode having a first bearer path and the gateway has downlink user plane data for the UE associated with a second transmission mode, the first message identifying the base station serving the UE, and send a page request to the serving base station, the page request identifying the UE and instructing the serving base station to initiate a transition to the second data transmission mode for the UE, the second data transmission mode including a second bearer path between the UE and the network, the second bearer path and the first bearer path being different. | 01-15-2015 |
20150017924 | APPARATUSES, METHODS AND COMPUTER PROGRAMS FOR A MOBILE TRANSCEIVER AND A BASE STATION TRANSCEIVER, MOBILE TRANSCEIVER, BASE STATION TRANSCEIVER AND MOBILE COMMUNICATION SYSTEM - Embodiments provide apparatuses, methods and computer programs for a mobile transceiver and a base station transceiver, a mobile transceiver, a base station transceiver and a mobile communication system. The apparatus ( | 01-15-2015 |
20150215842 | REQUESTING RESOURCES FOR DEVICE-TO-DEVICE (D2D) COMMUNICATION - A device, such as user equipment, to transmit a preamble in a preamble resource to indicate one or more communication resources for a device-to-device (D2D) communication channel and transmit voice or data over the D2D communication channel using the one or more communication resources in response to absence of an indication of a collision in the preamble resource. User equipment may also detect a preamble in a preamble resource that indicates the one or more communication resources for a device-to-device (D2D) communication channel and monitor the one or more communication resources for D2D communication in response to detecting the preamble in the preamble resource. | 07-30-2015 |
20150223127 | METHOD FOR HANDOVER MANAGEMENT WITHIN HETEROGENEOUS NETWORKS - A base station ( | 08-06-2015 |
20150230141 | METHOD AND APPARATUS FOR IDLE USER EQUIPMENT REDISTRIBUTION IN A HETNET FOR LOAD BALANCE - In one example embodiment, a user equipment includes a processor. The processor is configured to receive a message, determine whether to perform a carrier frequency selection process based on the received message, the carrier frequency selection process being performed for determining a carrier frequency for the user equipment to operate on, and determine the carrier frequency by performing the carrier frequency selection process if the processor determines to perform the carrier frequency selection process. | 08-13-2015 |
20150230166 | SUPPORT OF NOMADIC OR FIXED USERS IN A MOBILE NETWORK - In an embodiment, a method is provided for the support of nomadic or fixed users in a mobile network, said mobile network comprising a Core Network CN accessed by a Radio Access Network RAN, said mobile network providing connectivity referred to as PDN connectivity between an User Equipment UE and at least one external network referred to as Packet Data Network PDN, via a selected one of mobile network nodes associated with said PDN and referred to as PDN Gateway PDN GW, said method including support of a nomadic or fixed user in a mode of operation referred to as non-mobile mode of operation wherein said selected PDN GW referred to as local PDN GW is co-located with a RAN node serving said UE, based on knowledge of the user's mobility pattern. | 08-13-2015 |
20150381448 | PHYSICAL LAYER MEASUREMENTS FOR MULTICAST OR BROADCAST SERVICES - User equipment measure a characteristic of a multicast signal or a broadcast signal at a physical layer of user equipment for a multicast broadcast single frequency network (MBSFN) area associated with the user equipment. The user equipment provide a value of the measured characteristic from the user equipment in response to the value indicating that a probability of an application layer decoding error exceeds a first threshold. The measured characteristic may be a block error rate (BLER) or a signal-to-interference ratio (SIR) for the multicast signal or the broadcast signal. | 12-31-2015 |