Patent application number | Description | Published |
20080212588 | SYSTEM AND METHOD FOR AVOIDING STALL USING TIMER FOR HIGH-SPEED DOWNLINK PACKET ACCESS SYSTEM - At least one timer is used to prevent a stall condition. If a timer is not active, the timer is started for a data block that is correctly received. The data block has a sequence number higher than a sequence number of another data block that was first expected to be received. When the timer is stopped or expires, all correctly received data blocks among data blocks up to and including a data block having a sequence number that is immediately before the sequence number of the data block for which the timer was started is delivered to a higher layer. Further, all correctly received data blocks up to a first missing data block, including the data block for which the timer was started, is delivered to the higher layer. | 09-04-2008 |
20080248756 | METHOD OF MEASURING TRAFFIC VOLUME IN MOBILE COMMUNICATION SYSTEM - A method for measuring the traffic volume of a transport channel in a mobile communication system is disclosed, including receiving a buffer occupancy for each of a set of logical channels mapped to a transport channel, measuring a traffic volume of the transport channel based on the received buffer occupancies, and reporting the measured traffic volume of the transport channel to an upper layer. The measured traffic volume may be reported to the upper layer when the volume is out of a given range or a timer set to a given period has expired. Using this method, a radio resource control layer can perform a dynamic radio bearer reconfiguration using the measurement results received from a medium access control layer of the communication system. | 10-09-2008 |
20080253375 | DATA TRANSMISSION METHOD FOR HSDPA - In the data transmission method of an HSDPA system according to the present invention, a transmitter transmits Data Blocks each composed of one or more data units originated from a same logical channel, and a receiver receives the Data Block through a HS-DSCH and distributes the Data Block to a predetermined reordering buffer. Since each Data Block is composed of the MAC-d PDUs originated from the same logical channel, it is possible to monitor the in-sequence delivery of the data units, resulting in reduction of undesirable queuing delay caused by logical channel multiplexing. | 10-16-2008 |
20080267163 | APPARATUS AND METHOD FOR MOVING A RECEIVE WINDOW IN A RADIO ACCESS NETWORK - A method of moving a receiving window in a wireless mobile communication system, wherein the AM RLC of the transmitting side sends information of the last discarded SDU regardless of continuity of the discarded SDUs. The AM RLC of the receiving side checks whether all SDUs from the start point of the receiving window up to the last discarded SDU are successfully received, delivers the SDUs that are successfully received to an upper layer, and discard only those SDUs that are not successfully received. | 10-30-2008 |
20080293416 | METHOD FOR RELOCATING SRNS IN A MOBILE COMMUNICATION SYSTEM - A system and method for performing SRNS relocation in a communications system transmits radio resource information including a ciphering parameter from a source RNC to a target RNC, modifies the ciphering parameter to coincide with a deciphering parameter which a user terminal uses when out-of-sequence data is received, ciphers a data unit based on the modified ciphering parameter, and transmits the ciphered data unit from the target RNC to the user terminal. The method may be modified to operate in UM mode or AM mode and to transmit data over one of several radio bearers. In accordance with another embodiment, the system and method transmits radio resource information from a source RNC to a target RNC and then transmits a data unit from the target RNC to a user terminal. In this case, the data unit including a transmission sequence number which consecutively follows a transmission sequence number of a data unit last transmitted from the source RNC to the user terminal. In accordance with another embodiment, the system and method resets ciphering and state variables in a target RNC and then transmits a message instructing a user terminal to reset a deciphering and state variables to the same or similar values. All the embodiments are advantageous because they ensure successful communications will take place between the target RNC and user terminal after a serving radio network sub-system relocation procedure is performed. | 11-27-2008 |
20080298323 | PACKET TRANSMISSION SCHEDULING TECHNIQUE - A packet data transmission method of the HSDPA system includes collecting information on the quality of physical channels, a status of the MAC buffer, the priority level of data, the delay of data, and the like, determining the transmission order of data and the size of a data block to be transmitted based on the collected information, and transmitting the data block through the physical according to the order of transmissions. Since the HSDPA scheduler takes into account the delay of data, the quality of real-time services can be improved. | 12-04-2008 |
20090052400 | REPAIRING ERRORS IN DATA OF MBMS SERVICE - In order to guarantee service quality for a terminal for a particular point-to-multipoint service, a broadcast or multicast radio terminal system is characterized in that after the corresponding session is complete, information regarding the data that the terminal did not properly receive is informed to the UTRAN, and then the corresponding data is received upon re-transmission from the UTRAN. | 02-26-2009 |
20090052468 | APPARATUS AND METHOD FOR MOVING A RECEIVE WINDOW IN A RADIO ACCESS NETWORK - A method of moving a receiving window in a wireless mobile communication system, wherein the AM RLC of the transmitting side sends information of the last discarded SDU regardless of continuity of the discarded SDUs. The AM RLC of the receiving side checks whether all SDUs from the start point of the receiving window up to the last discarded SDU are successfully received, delivers the SDUs that are successfully received to an upper layer, and discard only those SDUs that are not successfully received. | 02-26-2009 |
20090073900 | Bi-directional packet data transmission system and method - A bi-directional packet data transmission system for a packet data transmission between a terminal and a radio access network includes an uplink resource and a downlink resource which are independently set. Memory resources can be effectively managed even in a packet data transmission service with the asymmetrical structure such that the packet amount for the downlink is much greater than the packet amount for the uplink, or the packet amount for the uplink is much greater than the packet amount for the downlink. | 03-19-2009 |
20090073901 | Bi-directional packet data transmission system and method - A bi-directional packet data transmission system for a packet data transmission between a terminal and a radio access network includes an uplink resource and a downlink resource which are independently set. Memory resources can be effectively managed even in a packet data transmission service with the asymmetrical structure such that the packet amount for the downlink is much greater than the packet amount for the uplink, or the packet amount for the uplink is much greater than the packet amount for the downlink. | 03-19-2009 |
20090073906 | Bi-directional packet data transmission system and method - A bidirectional packet data transmission system for a packet data transmission between a terminal and a radio access network includes an uplink resource and a downlink resource which are independently set. Memory resources can be effectively managed even in a packet data transmission service with the asymmetrical structure such that the packet amount for the downlink is much greater than the packet amount for the uplink, or the packet amount for the uplink is much greater than the packet amount for the downlink. | 03-19-2009 |
20090097441 | METHOD AND APPARATUS FOR SELECTING MBMS RADIO BEARER TYPE - A method and apparatus for selecting a radio bearer type for providing a service to a plurality of mobile terminals according to a count of mobile terminals obtained through responses to a service response request message from a network is provided. An MBMS radio bearer type is selected according to a count that includes RRC-connected mobile terminals that still need to establish a connection in order to receive an MBMS such that the radio bearer type established is sufficient to provide the MBMS to all mobile terminals desiring to receive the service. | 04-16-2009 |
20090104924 | Mobile communication method and system - In the method for wireless communication between a terminal and a base station supporting a real time packet transfer service mode and reliable packet transfer service mode according to the present invention, one of the real time packet transfer service mode and reliable packet transfer service mode is selected and a communication channel between the terminal and the base station is established, and the packet data are bidirectionally exchanged between the terminal and the base station over the communication channel in real time. | 04-23-2009 |
20090116428 | Mobile communication method and system - In the method for wireless communication between a terminal and a base station supporting a real time packet transfer service mode and reliable packet transfer service mode according to the present invention, one of the real time packet transfer service mode and reliable packet transfer service mode is selected and a communication channel between the terminal and the base station is established, and the packet data are bidirectionally exchanged between the terminal and the base station over the communication channel in real time. | 05-07-2009 |
20090131042 | APPARATUS AND METHOD FOR CONTROLLING ACCESS TO NETWORK IN WIRELESS COMMUNICATION SYSTEM - In a wireless communication system, an apparatus and method for managing an uplink communication between a network and a plurality of terminals is achieved by transmitting a response condition parameter from the network to the plurality of terminals subscribing to a multicast service. The parameter is associated with controlling the uplink communication of the plurality of terminals. The terminal then applies the response control parameter to a predetermined test and responds to the network if the terminal determines that it is qualified to respond to the network in response to a result of the predetermined test. The network evaluates whether the parameter needs to be transmitted to the plurality of terminals and whether the parameter needs to be updated based on at least part of responses received by the network. | 05-21-2009 |
20090131063 | RRC CONNECTION REQUEST METHOD AND APPARATUS FOR MOBILE COMMUNICATIONS - A method and apparatus for transmitting a single counting end message to reject the RRC connection requests of a plurality of terminals, thus minimizing the waste of radio resources and providing a quick response to those terminals that transmitted a connection request. RRC connection request messages are sent by a plurality of terminals to a network in response to an RRC connection-required message received from the network on a first channel. Each terminal monitors a second channel for an RRC connection setup message. The network establishes connections with a predetermined number of terminals by transmitting an RRC connection setup message to each terminal on the second channel and then transmits a single RRC connection-not-required message to the plurality of terminals on the first channel. Each terminal that does not receive an RRC connection setup message on the second channel after a predetermined period of time then monitors the first channel and, after receiving the RRC connection-not-required message, terminates the network connection procedure and does not re-transmit an RRC connection request message. | 05-21-2009 |
20090141715 | METHOD FOR TRANSMITTING PACKET DATA IN COMMUNICATION SYSTEM - A method and apparatus for a transmitter having a radio protocol with an upper layer and a lower layer therein used for management of full header packet transmission when transmitting data packets to a receiver are provided. If the upper layer receives from the lower layer, information of a successful transmission of a full header packet, the upper layer decides to stop sending any additional full header packet that contains the same full header as the previously successfully transmitted full header packet. | 06-04-2009 |
20090168700 | SYSTEM AND METHOD FOR AVOIDING STALL USING TIMER FOR HIGH-SPEED DOWNLINK PACKET ACCESS SYSTEM - At least one timer is used to prevent a stall condition. If a timer is not active, the timer is started for a data block that is correctly received. The data block has a sequence number higher than a sequence number of another data block that was first expected to be received. When the timer is stopped or expires, all correctly received data blocks among data blocks up to and including a data block having a sequence number that is immediately before the sequence number of the data block for which the timer was started is delivered to a higher layer. Further, all correctly received data blocks up to a first missing data block, including the data block for which the timer was started, is delivered to the higher layer. | 07-02-2009 |
20090175222 | SYSTEM AND METHOD FOR AVOIDING STALL USING TIMER FOR HIGH-SPEED DOWNLINK PACKET ACCESS SYSTEM - At least one timer is used to prevent a stall condition. If a timer is not active, the timer is started for a data block that is correctly received. The data block has a sequence number higher than a sequence number of another data block that was first expected to be received. When the timer is stopped or expires, all correctly received data blocks among data blocks up to and including a data block having a sequence number that is immediately before the sequence number of the data block for which the timer was started is delivered to a higher layer. Further, all correctly received data blocks up to a first missing data block, including the data block for which the timer was started, is delivered to the higher layer. | 07-09-2009 |
20090207774 | Communication of Point to Multipoint Service Information in Wireless Communication System - The present invention relates to a method for transmitting and receiving information for configuring a point-to-multipoint control channel in a wireless communication system. A network generates configuration information for configuring a point-to-multipoint control channel (MCCH) and transmits the configuration information to a mobile terminal. The configuration information comprises at least one of a modification period, a repetition period, a SFN-MCCH-Offset comprising an offset between a transmission of a first frame of a modification period and a system frame number (SFN) of a cell in which the configuration information is transmitted, and a number of transmission time intervals (TTIs) the mobile terminal will read at each beginning of a repetition period. | 08-20-2009 |
20090207786 | METHOD FOR TRANSMITTING DATA FROM RLC LAYER IN RADIO COMMUNICATION SYSTEM - Disclosed is a method for transmitting data from an RLC layer in a radio communication system. The method includes the steps of storing RLC SDUs transferred from an upper layer in a transmission buffer, transmitting RLC PDUs on which the RLC SDUs stored in the transmission buffer are loaded to a receiving side in order, discarding the RLC SDUs stored in the transmission buffer, checking whether a transmission mode indicator is configured, and transmitting discard information about the discarded RLC SDUs to the receiving side entirely or in part in accordance with whether the transmission MRW mode indicator is configured. | 08-20-2009 |
20090213799 | METHOD FOR SETTING USER EQUIPMENT IDENTIFIER IN RADIO COMMUNICATION SYSTEM - The present invention is directed to a method for setting a user equipment identifier as user equipment identification information used when data received through a dedicated logical channel is transmitted through a common transport channel. The method includes transmitting data and a message type indicator as user equipment identification information from a RRC layer to an RLC layer; setting a user equipment identifier indicator according to the received message type indicator in the RLC layer and transmitting it with the data to a MAC layer; and selecting a user equipment identifier type and a user equipment identifier according to the set user equipment indication identifier, adding it to a header of a MAC SDU in the MAC layer and transmitting it to a corresponding MAC layer in a receiving device. | 08-27-2009 |
20090215430 | APPARATUS AND METHOD FOR CONTROLLING ACCESS TO NETWORK IN WIRELESS COMMUNICATION SYSTEM - In a wireless communication system, an apparatus and method for managing an uplink communication between a network and a plurality of terminals is achieved by transmitting a response condition parameter from the network to the plurality of terminals subscribing to a multicast service. The parameter is associated with controlling the uplink communication of the plurality of terminals. The terminal then applies the response control parameter to a predetermined test and responds to the network if the terminal determines that it is qualified to respond to the network in response to a result of the predetermined test. The network evaluates whether the parameter needs to be transmitted to the plurality of terminals and whether the parameter needs to be updated based on at least part of responses received by the network. | 08-27-2009 |
20090232083 | METHOD FOR SELECTING TRANSPORT FORMAT COMBINATION GUARANTEED QOS IN MOBILE COMMUNICATION SYSTEM - The present invention relates to selecting a transport format combination (TFC) such that a quality of service (QoS) is guaranteed in a mobile communication system of a certain level even for a service having a low priority. The present invention selects a transport format combination such that not only a priority of each service is guaranteed but also a service quality is guaranteed by an MAC layer at the time of transporting services having different QoSs and different priorities. | 09-17-2009 |
20090252105 | METHOD FOR SELECTING TRANSPORT FORMAT COMBINATION GUARANTEED QOS IN MOBILE COMMUNICATION SYSTEM - The present invention relates to selecting a transport format combination (TFC) such that a quality of service (QoS) is guaranteed in a mobile communication system of a certain level even for a service having a low priority. The present invention selects a transport format combination such that not only a priority of each service is guaranteed but also a service quality is guaranteed by an MAC layer at the time of transporting services having different QoSs and different priorities. | 10-08-2009 |
20090252106 | METHOD FOR SELECTING TRANSPORT FORMAT COMBINATION GUARANTEED QOS IN MOBILE COMMUNICATION SYSTEM - The present invention relates to selecting a transport format combination (TFC) such that a quality of service (QoS) is guaranteed in a mobile communication system of a certain level even for a service having a low priority. The present invention selects a transport format combination such that not only a priority of each service is guaranteed but also a service quality is guaranteed by an MAC layer at the time of transporting services having different QoSs and different priorities. | 10-08-2009 |
20090252107 | METHOD FOR SELECTING TRANSPORT FORMAT COMBINATION GUARANTEED QOS IN MOBILE COMMUNICATION SYSTEM - The present invention relates to selecting a transport format combination (TFC) such that a quality of service (QoS) is guaranteed in a mobile communication system of a certain level even for a service having a low priority. The present invention selects a transport format combination such that not only a priority of each service is guaranteed but also a service quality is guaranteed by an MAC layer at the time of transporting services having different QoSs and different priorities. | 10-08-2009 |
20100002585 | SYSTEM AND METHOD FOR AVOIDING STALL USING TIMER FOR HIGH-SPEED DOWNLINK PACKET ACCESS SYSTEM - At least one timer is used to prevent a stall condition. If a timer is not active, the timer is started for a data block that is correctly received. The data block has a sequence number higher than a sequence number of another data block that was first expected to be received. When the timer is stopped or expires, all correctly received data blocks among data blocks up to and including a data block having a sequence number that is immediately before the sequence number of the data block for which the timer was started is delivered to a higher layer. Further, all correctly received data blocks up to a first missing data block, including the data block for which the timer was started, is delivered to the higher layer. | 01-07-2010 |
20100008303 | Method for setting user equipment identifier in radio communication system - The present invention is directed to a method for setting a user equipment identifier as user equipment identification information used when data received through a dedicated logical channel is transmitted through a common transport channel. The method includes transmitting data and a message type indicator as user equipment identification information from a RRC layer to an RLC layer; setting a user equipment identifier indicator according to the received message type indicator in the RLC layer and transmitting it with the data to a MAC layer; and selecting a user equipment identifier type and a user equipment identifier according to the set user equipment indication identifier, adding it to a header of a MAC SDU in the MAC layer and transmitting it to a corresponding MAC layer in a receiving device. | 01-14-2010 |
20100008304 | Method for setting user equipment identifier in radio communication system - The present invention is directed to a method for setting a user equipment identifier as user equipment identification information used when data received through a dedicated logical channel is transmitted through a common transport channel. The method includes transmitting data and a message type indicator as user equipment identification information from a RRC layer to an RLC layer; setting a user equipment identifier indicator according to the received message type indicator in the RLC layer and transmitting it with the data to a MAC layer; and selecting a user equipment identifier type and a user equipment identifier according to the set user equipment indication identifier, adding it to a header of a MAC SDU in the MAC layer and transmitting it to a corresponding MAC layer in a receiving device. | 01-14-2010 |
20100008320 | Method for setting user equipment identifier in radio communication system - The present invention is directed to a method for setting a user equipment identifier as user equipment identification information used when data received through a dedicated logical channel is transmitted through a common transport channel. The method includes transmitting data and a message type indicator as user equipment identification information from a RRC layer to an RLC layer; setting a user equipment identifier indicator according to the received message type indicator in the RLC layer and transmitting it with the data to a MAC layer; and selecting a user equipment identifier type and a user equipment identifier according to the set user equipment indication identifier, adding it to a header of a MAC SDU in the MAC layer and transmitting it to a corresponding MAC layer in a receiving device. | 01-14-2010 |
20100009670 | APPARATUS AND METHOD FOR MOVING A RECEIVE WINDOW IN A RADIO ACCESS NETWORK - A method of moving a receiving window in a wireless mobile communication system, wherein the AM RLC of the transmitting side sends information of the last discarded SDU regardless of continuity of the discarded SDUs. The AM RLC of the receiving side checks whether all SDUs from the start point of the receiving window up to the last discarded SDU are successfully received, delivers the SDUs that are successfully received to an upper layer, and discard only those SDUs that are not successfully received. | 01-14-2010 |
20100020772 | Packet transmission scheduling technique - A packet data transmission method of the HSDPA system includes collecting information on the quality of physical channels, a status of the MAC buffer, the priority level of data, the delay of data, and the like, determining the transmission order of data and the size of a data block to be transmitted based on the collected information, and transmitting the data block through the physical layer according to the order of transmissions. Since the HSDPA scheduler takes into account the delay of data, the quality of real-time services can be improved. | 01-28-2010 |
20100020785 | Processing data units for transfer over the same channel - A radio communication scheme that newly defines a structure of a protocol data unit transmitted through a transport channel so as to avoid unnecessary redundant attachment of the terminal identifier (UE-ID) and the UE-ID type information. As only one terminal identifier (UE-ID) and UE-ID type exist in the header of protocol data unit being processed during one transmission time interval (TTI), the efficiency of overall data transmission is improved and waste of radio resources is remarkably reduced. | 01-28-2010 |
20100020815 | DATA TRANSMISSION METHOD FOR HSDPA - In the data transmission method of an HSDPA system according to the present invention, a transmitter transmits Data Blocks each composed of one or more data units originated from a same logical channel, and a receiver receives the Data Block through a HS-DSCH and distributes the Data Block to a predetermined reordering buffer. Since each Data Block is composed of the MAC-d PDUs originated from the same logical channel, it is possible to monitor the in-sequence delivery of the data units, resulting in reduction of undesirable queuing delay caused by logical channel multiplexing. | 01-28-2010 |
20100027477 | Processing data units for transfer over the same channel - A radio communication scheme that newly defines a structure of a protocol data unit transmitted through a transport channel so as to avoid unnecessary redundant attachment of the terminal identifier (UE-ID) and the UE-ID type information. As only one terminal identifier (UE-ID) and UE-ID type exist in the header of protocol data unit being processed during one transmission time interval (TTI), the efficiency of overall data transmission is improved and waste of radio resources is remarkably reduced. | 02-04-2010 |
20100039994 | Processing data units for transfer over the same channel - A radio communication scheme that newly defines a structure of a protocol data unit transmitted through a transport channel so as to avoid unnecessary redundant attachment of the terminal identifier (UE-ID) and the UE-ID type information. As only one terminal identifier (UE-ID) and UE-ID type exist in the header of protocol data unit being processed during one transmission time interval (TTI), the efficiency of overall data transmission is improved and waste of radio resources is remarkably reduced. | 02-18-2010 |
20100048198 | APPARATUS AND METHOD FOR TRANSMITTING CONTROL INFORMATION IN MOBILE COMMUNICATION SYSTEM - An apparatus and method for transmitting control information in a mobile communication system transmits uplink or downlink control information required for an E-DCH transmission between MAC layers of a transmitting side and a receiving side. The MAC layer of the transmitting side divides the MAC PDU into a MAC control PDU and a MAC data PDU and transmits data through the MAC data PDU and uplink or downlink control information through the MAC control PDU to the receiving side. The MAC control PDU includes an identifier for indicating a type of a MAC PDU and a sub-identifier for discriminating a type of the corresponding MAC control PDU. | 02-25-2010 |
20100061243 | SYSTEM AND METHOD FOR AVOIDING STALL USING TIMER FOR HIGH-SPEED DOWNLINK PACKET ACCESS SYSTEM - At least one timer is used to prevent a stall condition. If a timer is not active, the timer is started for a data block that is correctly received. The data block has a sequence number higher than a sequence number of another data block that was first expected to be received. When the timer is stopped or expires, all correctly received data blocks among data blocks up to and including a data block having a sequence number that is immediately before the sequence number of the data block for which the timer was started is delivered to a higher layer. Further, all correctly received data blocks up to a first missing data block, including the data block for which the timer was started, is delivered to the higher layer. | 03-11-2010 |
20100074212 | Packet transmission scheduling technique - A packet data transmission method of the HSDPA system includes collecting information on the quality of physical channels, a status of the MAC buffer, the priority level of data, the delay of data, and the like, determining the transmission order of data and the size of a data block to be transmitted based on the collected information, and transmitting the data block through the physical layer according to the order of transmissions. Since the HSDPA scheduler takes into account the delay of data, the quality of real-time services can be improved. | 03-25-2010 |
20100074213 | Packet transmission scheduling technique - A packet data transmission method of the HSDPA system includes collecting information on the quality of physical channels, a status of the MAC buffer, the priority level of data, the delay of data, and the like, determining the transmission order of data and the size of a data block to be transmitted based on the collected information, and transmitting the data block through the physical layer according to the order of transmissions. Since the HSDPA scheduler takes into account the delay of data, the quality of real-time services can be improved. | 03-25-2010 |
20100074214 | Packet transmission scheduling technique - A packet data transmission method of the HSDPA system includes collecting information on the quality of physical channels, a status of the MAC buffer, the priority level of data, the delay of data, and the like, determining the transmission order of data and the size of a data block to be transmitted based on the collected information, and transmitting the data block through the physical layer according to the order of transmissions. Since the HSDPA scheduler takes into account the delay of data, the quality of real-time services can be improved. | 03-25-2010 |
20100074233 | Packet transmission scheduling technique - A packet data transmission method of the HSDPA system includes collecting information on the quality of physical channels, a status of the MAC buffer, the priority level of data, the delay of data, and the like, determining the transmission order of data and the size of a data block to be transmitted based on the collected information, and transmitting the data block through the physical layer according to the order of transmissions. Since the HSDPA scheduler takes into account the delay of data, the quality of real-time services can be improved. | 03-25-2010 |
20100097958 | APPARATUS AND METHOD FOR CONTROLLING ACCESS TO NETWORK IN WIRELESS COMMUNICATION SYSTEM - In a wireless communication system, an apparatus and method for managing an uplink communication between a network and a plurality of terminals is achieved by transmitting a response condition parameter from the network to the plurality of terminals subscribing to a multicast service. The parameter is associated with controlling the uplink communication of the plurality of terminals. The terminal then applies the response control parameter to a predetermined test and responds to the network if the terminal determines that it is qualified to respond to the network in response to a result of the predetermined test. The network evaluates whether the parameter needs to be transmitted to the plurality of terminals and whether the parameter needs to be updated based on at least part of responses received by the network. | 04-22-2010 |
20100118893 | REDUCING OVERHEADS OF A PROTOCOL DATA UNIT IN A WIRELESS COMMUNICATION SYSTEM - The present invention relates to transmitting data units of a radio protocol layer, wherein one logical channel identifier is added to one or more data units belonging to one logical channel. Because only one logical channel identifier is added to the data units belonging to one logical channel in constructing a MAC-e PDU, overheads of the MAC-e PDU are reduced. Such reduction of the PDU overheads increases data throughput, which is advantageous for a high-speed data communication system, such as the HSUPA. | 05-13-2010 |
20100135216 | Method for transmitting packet data in communication system - A method and apparatus for a transmitter having a radio protocol with an upper layer and a lower layer therein used for management of full header packet transmission when transmitting data packets to a receiver are provided. If the upper layer receives from the lower layer, information of a successful transmission of a full header packet, the upper layer decides to stop sending any additional full header packet that contains the same full header as the previously successfully transmitted full header packet. | 06-03-2010 |
20100142429 | Multimedia service providing method for radio mobile communication system - A multimedia broadcast/multicast service (MBMS) in a universal mobile telecommunications system (UMTS) includes a UTRAN that provides an MBMS service. The MBMS service-related information is exchanged between the UTRAN and a terminal or between nodes in the UTRAN by using an MBMS identification so that a user group receiving MBMS data or a data of a specific MBMS service can be identified. | 06-10-2010 |
20100157873 | APPARATUS AND METHOD OF RELEASING A POINT-TO-MULTIPOINT RADIO BEARER - A mobile terminal can release a point-to-multipoint radio bearer (RB) in an explicit manner or an implicit manner, whereby an explicit RB release mechanism allows the network to explicitly instruct the mobile terminal to release the RB, while an implicit RB release mechanism allows the mobile terminal itself to release the RB without receiving any explicit instructions from the network. | 06-24-2010 |
20100165937 | METHOD OF RELEASING RADIO BEARER IN WIRELESS COMMUNICATION SYSTEM AND RECEIVER - A method and apparatus of releasing a radio bearer in a wireless communication system is provided. After determining to release a radio link control (RLC) entity and a packet data convergence protocol (PDCP) entity, the RLC entity is released after delivering an RLC service data unit (SDU) extracted according to a release request of the RLC entity to the PDCP entity. A first PDCP SDU obtained by processing the RLC SDU is stored in a reception buffer at the PDCP entity. The PDCP entity is released after delivering the first PDCP SDU stored in the reception buffer to a higher layer. | 07-01-2010 |
20100178923 | Method For Relocating SRNS In A Mobile Communication System - A system and method for performing SRNS relocation in a communications system transmits radio resource information including a ciphering parameter from a source RNC to a target RNC, modifies the ciphering parameter to coincide with a deciphering parameter which a user terminal uses when out-of-sequence data is received, ciphers a data unit based on the modified ciphering parameter, and transmits the ciphered data unit from the target RNC to the user terminal. The method may be modified to operate in UM mode or AM mode and to transmit data over one of several radio bearers. In accordance with another embodiment, the system and method transmits radio resource information from a source RNC to a target RNC and then transmits a data unit from the target RNC to a user terminal. In this case, the data unit including a transmission sequence number which consecutively follows a transmission sequence number of a data unit last transmitted from the source RNC to the user terminal. In accordance with another embodiment, the system and method resets ciphering and state variables in a target RNC and then transmits a message instructing a user terminal to reset a deciphering and state variables to the same or similar values. All the embodiments are advantageous because they ensure successful communications will take place between the target RNC and user terminal after a serving radio network sub-system relocation procedure is performed. | 07-15-2010 |
20100195640 | METHOD OF PERFORMING UPLINK TIME ALIGNMENT IN WIRELESS COMMUNICATION SYSTEM - A method of performing uplink time alignment in wireless communication system includes transmitting a random access preamble, receiving a random access response, the random access response comprising a random access preamble identifier corresponding to the random access preamble but no time alignment value, and restarting a time alignment timer according to receiving the random access response. | 08-05-2010 |
20100202307 | METHOD OF MEASURING CELL IN WIRELESS COMMUNICATION SYSTEM - A method includes receiving priority information on priority for different frequency or a Radio Access Technology (RAT), measuring a serving cell periodically, measuring different frequency or RAT with higher priority than the serving cell, and suspending the measurement of different frequency or RAT with the higher priority during a certain time period when a measurement result of the different frequency or RAT with higher priority is lower than a reference value. | 08-12-2010 |
20100240367 | METHOD OF PERFORMING CELL RESELECTION IN WIRELESS COMMUNICATION SYSTEM - A method of performing cell reselection includes receiving priority for a different frequency or RAT (Radio Access Technology) and information on a validity timer for the priority, starting the validity timer, performing cell reselection based on the priority while the validity timer is running, receiving reconfiguration information of the validity timer, and reconfiguring the validity timer based on the reconfiguration information. | 09-23-2010 |
20100265847 | METHOD OF CONFIGURING CARRIER IN MULTI-CARRIER SYSTEM - A method of configuring a carrier in a multi-carrier system by a User Equipment (UE) includes receiving, from the first cell, barred-cell information instructing a first cell to be designated as a barred-cell, receiving, from a second cell corresponding to a second carrier, carrier configuration information, instructing a configuration of a first carrier corresponding to the first cell, and configuring a selected carrier based on either the designation of the barred-cell or the carrier configuration information. | 10-21-2010 |
20100265905 | METHOD OF PERFORMING WIRELESS COMMUNICATION IN MULTI-CARRIER SYSTEM - A method of a User Equipment (UE) performing wireless communication using multiple carriers comprises accessing a first carrier used for first link transmission, configuring a second carrier used for second link transmission, and performing the wireless communication using the second carrier. The second carrier is determined based on the first carrier. | 10-21-2010 |
20100272001 | SCHEDULING TRANSMISSION OF MESSAGES RELATING TO MULTIMEDIA BROADCAST/MULTICAST SERVICE (MBMS) - In a network, at least first and second messages ( | 10-28-2010 |
20100272035 | METHOD OF PERFORMING RANDOM ACCESS PROCEDURE IN WIRELESS COMMUNICATION SYSTEM - A method of performing random access procedure includes receiving information on a dedicated random access preamble, transmitting the dedicated random access preamble, and receiving a random access response comprising a random access preamble identifier corresponding to the dedicated random access preamble and a downlink radio resource assignment. | 10-28-2010 |
20100278182 | UPDATING NEXT-EXPECTED TSN AND RECEIVER WINDOW TO AVOID STALL CONDITIONS - Updating the next-expected transmission sequence number (NET) or the receiver window position to ensure that the NET always falls within the receiver window range to prevent unnecessary delays in delivering data blocks in order to avoid stall conditions and achieve high speed data transmission capabilities for a high-speed downlink packet access (HSDPA) system. | 11-04-2010 |
20100304774 | DATA UNIT RECEPTION MANAGEMENT METHOD AND RELATED SYSTEM AND DEVICE - A method of managing reception of data units transmitted from a radiocommunication network to a plurality of user equipments via a plurality of common upper level channels mapped to a same common lower level channel. The method comprises the following steps carried out by any user equipment of said plurality of user equipments: receiving a list of information relating respectively to each common upper level channel of said plurality of common upper level channels in a determined order, said information including no common upper level channel identifier; and setting a common upper level channel identifier for each common upper level channel of said plurality of common upper level channels according to the received list of information. | 12-02-2010 |
20100309830 | RADIO COMMUNICATION SYSTEM AND METHOD HAVING A RADIO LINK CONTROL LAYER - Disclosed are a radio link control (RLC) entity and a data processing method for the RLC entity. The RLC entity includes a transmission data storing module that stores PDUs corresponding to SDUs transmitted from a first upper layer and outputs the stored PDUs by SDU units, a ciphering module that ciphers the PDUs stored in the transmission data storing module and transmitting the ciphered PDUs to a first RLC entity, a deciphering module that deciphers the ciphered PDUs transmitted from a second RLC entity, and a received data storing module that stores the deciphered PDUs and outputs the PDUs toward a second upper layer in the form of SDU units. | 12-09-2010 |
20110019772 | DEVICE AND METHOD FOR MOVING A RECEIVE WINDOW IN A RADIO ACCESS NETWORK - A method of moving a receiving window in a wireless mobile communication system, wherein the AM RLC of the transmitting side sends information of the last discarded SDU regardless of continuity of the discarded SDUs. The AM RLC of the receiving side checks whether all SDUs from the start point of the receiving window up to the last discarded SDU are successfully received, delivers the SDUs that are successfully received to an upper layer, and discard only those SDUs that are not successfully received. | 01-27-2011 |
20110028148 | CARRIER AGGREGATION MANAGEMENT METHOD, SYSTEM AND DEVICES - Method, system and devices for managing carrier aggregation in a radiocommunication system. According to the method, the user equipment ( | 02-03-2011 |
20110038296 | APPARATUS AND METHOD FOR MBMS IN WIRELESS COMMUNICATION SYSTEM - A method and apparatus of allocating a resource for a plurality of logical channels is provided. A transmitter acquires a plurality of available resources for a plurality of component carriers, and allocates the plurality of available resources to the plurality of logical channels based on priority of each of the plurality of logical channels. | 02-17-2011 |
20110039558 | APPARATUS AND METHOD OF CELL RESELECTION IN WIRELESS COMMUNICATION SYSTEM - A method and apparatus of selecting a cell in a wireless communication system is provided. A user equipment receives an Intra Frequency Reselection indicator (IFRI) from a barred cell. The user equipment starts an Intra Frequency Reselection (IFR) timer when the IFRI indicates not to allow reselection of a neighboring cell in a frequency of the barred cell, and searches neighboring cells in the frequency of the barred cell while the IFR timer is running. | 02-17-2011 |
20110053597 | METHOD OF PERFORMING CELL RESELECTION IN WIRELESS COMMUNICATION SYSTEM - A method of performing cell reselection in a wireless communication system includes receiving cell load information and performing cell reselection by using the cell load information. It is possible to achieve traffic balancing on user equipments using a wireless network. | 03-03-2011 |
20110141978 | APPARATUS AND METHOD FOR MOVING A RECEIVE WINDOW IN A RADIO ACCESS NETWORK - A method of moving a receiving window in a wireless mobile communication system, wherein the AM RLC of the transmitting side sends information of the last discarded SDU regardless of continuity of the discarded SDUs. The AM RLC of the receiving side checks whether all SDUs from the start point of the receiving window up to the last discarded SDU are successfully received, delivers the SDUs that are successfully received to an upper layer, and discard only those SDUs that are not successfully received. | 06-16-2011 |
20110141995 | APPARATUS AND METHOD FOR MOVING A RECEIVE WINDOW IN A RADIO ACCESS NETWORK - A method of moving a receiving window in a wireless mobile communication system, wherein the AM RLC of the transmitting side sends information of the last discarded SDU regardless of continuity of the discarded SDUs. The AM RLC of the receiving side checks whether all SDUs from the start point of the receiving window up to the last discarded SDU are successfully received, delivers the SDUs that are successfully received to an upper layer, and discard only those SDUs that are not successfully received. | 06-16-2011 |
20110149865 | APPARATUS AND METHOD FOR MOVING A RECEIVE WINDOW IN A RADIO ACCESS NETWORK - A method of moving a receiving window in a wireless mobile communication system, wherein the AM RLC of the transmitting side sends information of the last discarded SDU regardless of continuity of the discarded SDUs. The AM RLC of the receiving side checks whether all SDUs from the start point of the receiving window up to the last discarded SDU are successfully received, delivers the SDUs that are successfully received to an upper layer, and discard only those SDUs that are not successfully received. | 06-23-2011 |
20110149869 | DATA TRANSMISSION METHOD FOR HSDPA - In the data transmission method of an HSDPA system according to the present invention, a transmitter transmits Data Blocks each composed of one or more data units originated from a same logical channel, and a receiver receives the Data Block through a HS-DSCH and distributes the Data Block to a predetermined reordering buffer. Since each Data Block is composed of the MAC-d PDUs originated from the same logical channel, it is possible to monitor the in-sequence delivery of the data units, resulting in reduction of undesirable queuing delay caused by logical channel multiplexing. | 06-23-2011 |
20110149870 | DATA TRANSMISSION METHOD FOR HSDPA - In the data transmission method of an HSDPA system according to the present invention, a transmitter transmits Data Blocks each composed of one or more data units originated from a same logical channel, and a receiver receives the Data Block through a HS-DSCH and distributes the Data Block to a predetermined reordering buffer. Since each Data Block is composed of the MAC-d PDUs originated from the same logical channel, it is possible to monitor the in-sequence delivery of the data units, resulting in reduction of undesirable queuing delay caused by logical channel multiplexing. | 06-23-2011 |
20110149997 | DATA TRANSMISSION METHOD FOR HSDPA - In the data transmission method of an HSDPA system according to the present invention, a transmitter transmits Data Blocks each composed of one or more data units originated from a same logical channel, and a receiver receives the Data Block through a HS-DSCH and distributes the Data Block to a predetermined reordering buffer. Since each Data Block is composed of the MAC-d PDUs originated from the same logical channel, it is possible to monitor the in-sequence delivery of the data units, resulting in reduction of undesirable queuing delay caused by logical channel multiplexing. | 06-23-2011 |
20110158141 | REDUCING OVERHEADS OF A PROTOCOL DATA UNIT IN A WIRELESS COMMUNICATION SYSTEM - The present invention relates to transmitting data units of a radio protocol layer, wherein one logical channel identifier is added to one or more data units belonging to one logical channel. Because only one logical channel identifier is added to the data units belonging to one logical channel in constructing a MAC-e PDU, overheads of the MAC-e PDU are reduced. Such reduction of the PDU overheads increases data throughput, which is advantageous for a high-speed data communication system, such as the HSUPA. | 06-30-2011 |
20110171989 | METHOD AND APPARATUS OF POWER INCREASE/DECREASE REQUEST OF A USER EQUIPMENT USING A PLURALITY OF FREQUENCIES IN A WIRELESS COMMUNICATION SYSTEM - A method of a power increase/decrease request of a user equipment in a wireless communication system using a plurality of frequencies is disclosed. The method of operating of a user equipment comprises receiving grants for each of the plurality of uplink frequencies from a base station; dividing a maximum power of the user equipment for each of the plurality of uplink frequencies in accordance with the received grants, and selecting a corresponding transport block for each of the plurality of uplink frequencies by considering the received grants; and comparing a remaining power of the user equipment to a power obtained by subtracting a power required to transmit a first transport block selected for a first uplink frequency from a power required to transmit a minimum transport block, which transmits more data than those of the first transport block. | 07-14-2011 |
20110199998 | Method For Transmitting Data From RLC Layer in Radio Communication System - Disclosed is a method for transmitting data from an RLC layer in a radio communication system. The method includes the steps of storing RLC SDUs transferred from an upper layer in a transmission buffer, transmitting RLC PDUs on which the RLC SDUs stored in the transmission buffer are loaded to a receiving side in order, discarding the RLC SDUs stored in the transmission buffer, checking whether a transmission mode indicator is configured, and transmitting discard information about the discarded RLC SDUs to the receiving side entirely or in part in accordance with whether the transmission MRW mode indicator is configured. | 08-18-2011 |
20120230284 | BI-DIRECTIONAL PACKET DATA TRANSMISSION SYSTEM AND METHOD - A bi-directional packet data transmission system for a packet data transmission between a terminal and a radio access network includes an uplink resource and a downlink resource which are independently set. Memory resources can be effectively managed even in a packet data transmission service with the asymmetrical structure such that the packet amount for the downlink is much greater than the packet amount for the uplink, or the packet amount for the uplink is much greater than the packet amount for the downlink. | 09-13-2012 |
20120287947 | DATA TRANSMISSION METHOD FOR HSDPA - In the data transmission method of an HSDPA system according to the present invention, a transmitter transmits Data Blocks each composed of one or more data units originated from a same logical channel, and a receiver receives the Data Block through a HS-DSCH and distributes the Data Block to a predetermined reordering buffer. Since each Data Block is composed of the MAC-d PDUs originated from the same logical channel, it is possible to monitor the in-sequence delivery of the data units, resulting in reduction of undesirable queuing delay caused by logical channel multiplexing. | 11-15-2012 |
20130155923 | METHOD AND APPARATUS FOR OPERATING A TIMER FOR PROCESSING DATA BLOCKS - A timer for processing data blocks is proposed for a receiver of a mobile communications system. If the timer is not running, the timer is started based a data block. The data block has a sequence number higher than a sequence number of another data block that was first expected to be received. If the timer is stopped or expires, the timer is based on a highest sequence number of a data block among data blocks that cannot be delivered to a higher entity. The timer can be used to prevent a stall condition in mobile communications. | 06-20-2013 |
20130250859 | APPARATUS AND METHOD FOR MOVING A RECEIVE WINDOW IN A RADIO ACCESS NETWORK - A method of moving a receiving window in a wireless mobile communication system, wherein the AM RLC of the transmitting side sends information of the last discarded SDU regardless of continuity of the discarded SDUs. The AM RLC of the receiving side checks whether all SDUs from the start point of the receiving window up to the last discarded SDU are successfully received, delivers the SDUs that are successfully received to an upper layer, and discard only those SDUs that are not successfully received. | 09-26-2013 |
20140022933 | METHOD AND APPARATUS FOR MEASURING A PACKET THROUGHPUT IN WIRELESS COMMUNICATION SYSTEM - A method and apparatus of measuring a packet throughput in a wireless communication system are provided. When determining a reference time for estimating packet throughput, a receiver determines the time that a data burst starts or ends in order to estimate the packet throughput considering a change in the data burst of the transmitter buffer. A measurement period is defined through the determined start time and end time of the data burst, and packet throughput is measured considering the total amount of the received data burst. The throughput of packet data may be estimated by each base station based on the same standard rule, so that the measured packet throughput values may be reliable, thus allowing the operator to make use of it as a parameter for MDT. | 01-23-2014 |
20140105112 | METHOD FOR QOS GUARANTEES IN A MULTILAYER STRUCTURE - A method in which a user equipment processes data in a wireless mobile communication system is provided. The method includes the steps of receiving a first data block from an upper layer, transferring a second data block including the first data block to a lower layer at a particular protocol layer, discarding the first and second data blocks present in the particular protocol layer if a certain period of time has passed, and transferring information associated with the discard of the second data block to the lower layer. | 04-17-2014 |
20140334385 | APPARATUS AND METHOD FOR MOVING A RECEIVE WINDOW IN A RADIO ACCESS NETWORK - A method of moving a receiving window in a wireless mobile communication system, wherein the AM RLC of the transmitting side sends information of the last discarded SDU regardless of continuity of the discarded SDUs. The AM RLC of the receiving side checks whether all SDUs from the start point of the receiving window up to the last discarded SDU are successfully received, delivers the SDUs that are successfully received to an upper layer, and discard only those SDUs that are not successfully received. | 11-13-2014 |