Patent application number | Description | Published |
20100061288 | METHOD FOR PROVIDING MULTICAST BROADCAST SERVICE IN COMMUNICATION SYSTEM - In a communication system, a plurality of radio access systems (RASs) respectively receives connection resources from an MBS server for transmitting a multicast broadcast data packet. The MBS server is involved in transmission of the multicast broadcast data packet. Then, the plurality of RASs receive the multicast broadcast data packet including parameters for synchronization between the plurality of RASs and parameters for size and location of the multicast broadcast data packet and deliver the received multicast broadcast data packet to a portable subscriber station (PSS). Thereby, the plurality of RASs can transmit the multicast broadcast data packets with the same location and the same size to the PSSs at the same time. | 03-11-2010 |
20100112978 | METHOD FOR TRANSMITTING AND RECEIVING BROADCAST SERVICE INFORMATION AND USER EQUIPMENT FOR BROADCAST SERVICE - Provided are a method for transmitting and receiving broadcasting service information and a mobile station for a broadcasting service. The method for transmitting broadcasting service information at a base station, includes registering a mobile station in a first cell, wherein the first cell is a cell managed by the base station, receiving vehicle related information from the mobile station mounted on a vehicle, and broadcasting the received vehicle related information to target cells. | 05-06-2010 |
20100159933 | METHOD FOR EVOLVED MULTIMEDIA BROADCAST/MULTICAST SERVICE - According to an Evolved Multimedia Broadcast Multicast Service (E-MBMS) service method of the present invention, an E-MBMS service is received from a first base station. If neighbor cell MBMS control information is modified in the first base station, MBMS paging information, including a factor informing that the neighbor cell MBMS control information has been modified, is received from the first base station. When an MBMS control information update cycle is reached, modified neighbor cell MBMS control information is received from the first base station and is stored. When a user equipment moves from the first base station to a second base station, a P-T-M radio bearer is reset based on the stored neighbor cell MBMS control information and receiving the E-MBMS service from the second base station. Accordingly, the consumption of battery power can be reduced, and an E-MBMS service being services is not interrupted although a user equipment moves. | 06-24-2010 |
20100210284 | METHOD OF MANAGING PAGING GROUP - The present invention relates to a method of managing a paging group in a mobile terminal that is in an idle mode. A method of managing a paging group according to an exemplary embodiment of the invention includes: collecting paging group ID information including paging group levels and local IDs; determining, on the basis of the collected paging group ID information, whether or not a location update occurs; and if it is determined that the location update occurs, comparing a location update cycle according to a location update time with a threshold value, selecting a paging group level on the basis of the comparison result, and selecting a paging group corresponding to the selected paging group level. | 08-19-2010 |
20100211786 | METHOD FOR GENERATING AUTHORIZATION KEY AND METHOD FOR NEGOTIATING AUTHORIZATION IN COMMUNICATION SYSTEM BASED ON FREQUENCY OVERLAY - A method for a terminal including a first media access control (MAC) layer and a second MAC layer to create an authorization key includes performing a first network entry process to a base station through the first MAC layer, and performing a second network entry process for a frequency overlay to the base station through the second MAC layer. In this instance, the first network entry process includes acquiring a key for generating an authorization key through an authentication process according to an authentication method negotiated with the base station, and generating a first authorization key through the key for generating the authorization key. The second network entry process includes generating a second authorization key by using the key generated in the first network entry process for generating the authorization key. | 08-19-2010 |
20100315985 | METHOD OF PROVIDING MULTICAST BROADCAST SERVICE - The present invention relates to a method of providing a multicast broadcast service. A message for providing an MBS (Multicast Broadcast Service) between network constituent elements is defined by applying a message defined in a wireless channel, and functions and parameters to be performed by the network constituent elements are defined. Therefore, the MBS can be provided in a wideband wireless access network that is a field of a mobile communication system and includes a wire channel. | 12-16-2010 |
20110078730 | METHOD AND APPARATUS FOR SCHEDULING RADIO ACCESS TO REDUCE CHANNEL ZAPPING DELAY - Provided is a method and apparatus for scheduling a radio access to reduce a channel zapping delay. The radio access scheduling method may receive abstract information with respect to all of currently receivable channels at each channel scheduling interval, and may receive the abstract information in advance and provide the abstract information when a channel change request is received, and thereby reduce the channel zapping delay. | 03-31-2011 |
20110145861 | APPARATUS AND METHOD OF CONTROLLING BROADCAST SERVICES - Provided is the broadcast service controlling apparatus and method. The broadcast service controlling method may perform grouping, into a broadcast group, broadcast services having the same transmission feature, may control scheduling information associated with the broadcast services included in the broadcast group and thus, may dynamically perform scheduling with respect to broadcast services. | 06-16-2011 |
20110149827 | BASE STATION, MOBILE STATION, AND METHOD FOR PROVIDING SERVICE CONTINUITY BETWEEN MBMS AREAS IN MOBILE TELECOMMUNICATION SYSTEM - Provided are a base station, a mobile station, and a method for providing service continuity between Multimedia Broadcast and Multicast Service (MBMS) areas. A system information generation unit of the base station may generate a System Information Block (SIB) including broadcasting area information providing a broadcasting service to a neighboring cell of a serving cell where the mobile station is located. A communication unit may transmit the generated SIB to the mobile station. | 06-23-2011 |
20110149830 | APPARATUS AND METHOD FOR CONTROLLING MULTIMEDIA BROADCAST AND MULTICAST SERVICE BASED ON USER LOCATION - Provided is a multimedia broadcast and multicast service controlling apparatus and method based on a user location. The multimedia broadcast and multicast service controlling apparatus may receive MCCH information, may periodically update a service list of a mobile terminal based on the received MCCH information, the service list listing services that are providable, may register a service in a pending list when the service is not included in the updated service list and is requested to be provided, and may provide the service registered in the pending list when the mobile terminal reaches a location where the mobile terminal may provide the service registered in the pending list. | 06-23-2011 |
20110149831 | APPARATUS AND METHOD FOR MANAGING MULTIMEDIA BROADCAST MULTICAST SERVICE BEARER - Provided is an MBMS bearer setting managing method and apparatus. The MBMS bearer setting managing method configures an MBMS bearer context including information corresponding to the single service and information corresponding to the plurality of sessions, and manages the MBMS bearer setting based on the information corresponding to the single service and the information corresponding to each of the plurality of sessions. | 06-23-2011 |
20110151847 | CONTENTS PROVIDING APPARATUS AND METHOD - A contents providing apparatus and method is provided. A contents providing apparatus based on a mobile communication network, the contents providing apparatus including: a receiving unit receiving contents and contents providing area information of the contents from a contents provider, the contents providing area information being information about an area where the contents is provided; an area group setting unit retrieving at least one cell based on the contents providing area information, and setting the retrieved at least one cell as a contents providing area group of the contents; and a transmitting unit transmitting the contents to the set contents providing area group. | 06-23-2011 |
20110151875 | HANDOVER TERMINAL AND METHOD FOR RECEIVING BROADCAST DATA IN BROADBAND WIRELESS ACCESS SYSTEM, AND METHOD FOR PROVIDING INFORMATION OF SERVING BASE STATION - A mobile communication apparatus is provided. The mobile communication apparatus includes an information receiver to receive, from a serving base station, target base station information corresponding to at least one target base station located in a neighboring cell, and a controller to examine the target base station information and to perform a handover to the at least one target base station based on whether the at least one target base station supports a multi-band, and whether the at least one target base station provides a broadcast service. | 06-23-2011 |
20110151911 | MULTIMEDIA BROADCAST/MULTICAST SERVICE SYSTEM, AND DATA TRANSMISSION AND RECEPTION METHOD THEREOF - A data transmission method of a Multimedia Broadcast/Multicast Service (MBMS) system is provided. The data transmission method includes scheduling multimedia data including a plurality of sub-frames to be transmitted for each of a plurality of scheduling intervals, generating scheduling information, and transmitting, in advance, the scheduling information to a terminal, so that the terminal may selectively receive a plurality of sub-frames corresponding to a first scheduling interval, based on the scheduling information. | 06-23-2011 |
20110194550 | HOME BASE STATION AND METHOD FOR CONTROLLING THE SAME - A home base station includes a packet process unit configured to process a received data from mobile network to transmit the processed data to a mobile terminal; and an image processor configured to process the received data from the packet process unit by mixing with a received image data from exterior to transmit the mixed data to an image processing apparatus being connected with the home base station. A method for controlling the home base station includes a receiving data from a mobile terminal; and transmitting the received data to a mobile network by mixing with a received image data from a image process unit being connected with the home base station. | 08-11-2011 |
20110314505 | SERVER FOR PROVIDING SHARED VOD BROADCASTING SERVICE IN MOBILE NETWORK, RECEPTION TERMINAL, BASE STATION, AND METHOD THEREOF - The present invention relates to a method and apparatus of providing a shared Video on Demand (VoD) broadcasting service using a mobile communication network. The method and apparatus may concurrently provide, to a plurality of terminals requesting a first content, requested content from among broadcasting requested contents selected from a broadcasting content list, thereby effectively using radio resources. | 12-22-2011 |
20120072955 | STREAMING SERVER AND MOBILE TERMINAL FOR REDUCING CHANNEL-CHANGING DELAY, AND A METHOD THEREFOR - Provided is a method and apparatus for reducing zapping delay, which may transmit base layer data for each burst in a time-slicing scheme, and output the base layer data of a channel to be changed at the time of changing the channel, thereby reducing the zapping delay. | 03-22-2012 |
20120099504 | SYSTEM FOR PROVIDING EMBMS CHATTING SERVICE AND SERVICE PROVIDER SERVER OF THE SAME, AND METHOD FOR CONTROLLING eBM-SC AND USER EQUIPMENT - Disclosed is a system for providing an Evolved Multimedia Broadcast/Multicast Service (EMBMS) chatting service for providing a multi-chatting service. The system comprises at least one of a User Equipment (UE) to request establishment of a chatting channel and to transmit and receive a communication message and contents so as to transmit and receive the communication message with a plurality of mobile subscribers participated in the chatting channel, an evolved Broadcast Multicast-Service Center (eBM-SC) to perform control of an EMBMS service so as to transmit the communication message to the at least one of the UE using the EMBMS service, and a service provider server to transmit, to the eBM-SC, user service information, first bearer service information, and contents for each of the chatting channels, so that the UE transmits and receives the communication message with the plurality of the mobile subscribers participated in the chatting channel. | 04-26-2012 |
20120155363 | SCHEDULING APPARATUS CONSIDERING QUALITY OF SERVICE (QOS) - Disclosed is an efficient scheduling apparatus and method for multi-cell transmission in evolved node bases (eNBs). An eNB scheduling for a multi-cell transmission service may allocate wireless resources based on a priority level, a minimum guaranteed bit rate, and a maximum bit rate. That is, a subframe may be efficiently used by minimizing the number of subframes allocated to a single session while satisfying a quality of service (QoS). | 06-21-2012 |
20120155364 | METHOD AND APPARATUS FOR COUNTING MULTIMEDIA BROADCAST AND MULTICAST SERVICES - A method and apparatus for multimedia broadcast and multicast service (MBMS) counting is provided. A user equipment (UE) may transmit selected service information to a multi-cell and multicast coordination entity (MCE) through a target evolved node base station (eNB), every time that a service requiring counting is received or cancelled and thus, the MCE may accurately manage a number of UEs that receive a service for each eNB. Also, the use may transmit selected service information to the MCE through the target eNB every time that the UE enters a new cell and thus, the MCE may accurately manage a number of UEs that receive a service for each eNB. | 06-21-2012 |
20120158297 | INDOOR LOCATION RECOGNITION SYSTEM AND INDOOR LOCATION RECOGNITION METHOD USING THE SAME - Disclosed is an indoor location recognition system capable of providing location based services indoors. The indoor location recognition system includes a portable terminal including a short range location recognition system and a wireless communication system using an RFID technology and a two-dimensional bar code technology, a geomagnetic sensor, a camera, an RFID reader or tag, an indoor navigation device calculating a moving distance from revolutions of a wheel of a shopping cart to transmit the calculated moving distance to the portable terminal, shopping mall map information transmitted to the portable terminal, and shopping mall application programs providing location based services. The shopping mall to which the indoor location recognition system according to the exemplary embodiments of the present invention is applied can reduce initial installation costs and operation costs while providing high accuracy of location estimation. | 06-21-2012 |
20120163273 | METHOD FOR RECEIVING AND TRANSMITTING MBMS SERVICE, TERMINAL FOR RECEIVING MBMS SERVICE, AND NETWORK FOR TRANSMITTING MBMS SERVICE - Disclosed is a method for receiving MBMS services from a base station supporting multi-carriers, including: receiving first system information including information on all the carriers; receiving second system information including information on multi-carriers supported by the base station; receiving MBMS control information through an MBMS control channel; and receiving the MBMS services through an MBMS transmission channel based on the MBMS control information. | 06-28-2012 |
20120163274 | SYSTEM AND METHOD FOR RECEIVING MBMS BROADCASTING SERVICE - Disclosed are a system and a method for receiving an MBMS broadcasting service. In the present invention, in a mobile communication/wireless communication system, an MBMS service is provided by synchronizing a unicast bearer with a multicast bearer through scheduling information mapping at the time of transmitting a broadcast/multicast service through a unicast. Further, the present invention presents even a method for improving quality of experience (QoE) of the service by providing the MBMS service through the multicast bearer and the unicast bearer simultaneously. According to the present invention, MBMS services of various service qualities can be provided depending on wireless quality of a terminal or the capability of the terminal at the time of providing the MBMS service. | 06-28-2012 |
20130111302 | METHOD AND APPARATUS FOR RECOVERING BURST DATA LOSS BY DUPLICATING BLOCK CODE SYMBOLS | 05-02-2013 |
20140162643 | METHOD AND APPARATUS FOR DEVICE TO DEVICE MULTICAST COMMUNICATION IN CELLULAR MOBILE SYSTEMS - Disclosed is a method and an apparatus for device-to-device (D2D) multicast communication in a cellular mobile communication system. The method for D2D communication may include transmitting a server designation request message requesting registration as a server terminal to a base station, and transmitting service information using a D2D multicast or broadcast communication scheme based on a radio resource allocated by the base station. | 06-12-2014 |
20140162668 | METHOD AND APPARATUS FOR SCHEDULING IN CELLULAR BASED DEVICE TO DEVICE COMMUNICATION - Disclosed is a method and apparatus for scheduling in a cellular-based device-to-device (D2D) communication. The method of scheduling a cellular resource used in a base station for a D2D communication between terminals may include grouping, by a proximity coordinator, a cellular resource of an adjacent base station based on cell information of a base station, managing a resource to be allocated to the terminal and a resource allocated previously to the terminal based on the grouped resource, and allocating the grouped resource to the terminal based on information associated with the resource to be allocated and the previously allocated resource when a request for D2D communication between terminals located in different cells is received. | 06-12-2014 |
20140249162 | NOVEL ANTIVIRAL PYRROLOPYRIDINE DERIVATIVES AND METHOD FOR PREPARING THE SAME - The present invention relates to a pyrrolopyridine derivative represented by the Chemical Formula I, and a racemate or a stereoisomer thereof, or a pharmaceutically acceptable salt thereof, and relates to an antiviral composition including the same as an active ingredient. The compound of the Chemical Formula I has excellent antiviral activity and selectivity for wild type and resistant HIV-1, and thereby is useful as a therapeutic agent for acquired immune deficiency syndrome (AIDS). | 09-04-2014 |