Abstract:
PROBLEM TO BE SOLVED: To provide a device to compose and recompose a calling using a set of default configurations and differential encoding. SOLUTION: A network side selects a configuration to communicate with a wireless device. A difference between the selected configuration and default configuration is checked. The identity for the default configuration and the differences are transmitted to the wireless device, and the selected configuration is transmitted. In the wireless device, a message containing the identity of default configuration is received first. The default configuration is obtained from a memory based on the identity. A determination is made whether the message contains the differences between the default configuration and selected configuration, or not. Values for the default configuration are replaced with the differences sent in the message. COPYRIGHT: (C)2011,JPO&INPIT
Abstract:
PROBLEM TO BE SOLVED: To enable seamless delivery of content across cell borders and/or between different transmission schemes such as Point-to-Multipoint (PTM) and Point-to-Point (PTP).SOLUTION: Mechanisms for adjusting different streams and for recovering content from each data block during such transitions are also provided so that data is not lost during a transition. In addition, mechanisms for realigning data during decoding at a receiving terminal are also provided.
Abstract:
PROBLEM TO BE SOLVED: To provide techniques for quickly and efficiently performing handover.SOLUTION: UE may maintain uplink synchronization with one or more non-serving cells in a candidate set, without having to maintain links with any of the non-serving cells. The UE may update uplink synchronization with the non-serving cells via an access procedure, e.g., send access probes to the non-serving cells and receive timing adjustments from these cells. One non-serving cell with which the UE has maintained uplink synchronization may be selected as a target cell for handover. The UE may then perform handover from the serving cell to the target cell, without performing uplink synchronization during the handover, which may improve handover latency and success rate.
Abstract:
PROBLEM TO BE SOLVED: To provide a data transmission/reception technique that achieves power savings for a wireless device and improves capacity for a wireless network.SOLUTION: The techniques utilize a Continuous Packet Connectivity (CPC) mode 240 comprised of multiple discontinuous transmission (DTX) modes 310, 312 and at least one discontinuous reception (DRX) mode 314. Each DTX mode 310, 312 is associated with different enabled uplink subframes usable for transmission from the wireless device to the network. Each DRX mode 314 is associated with different enabled downlink subframes usable by the network for transmission to the wireless device. The wireless device may send signaling and/or data on the enabled uplink subframes and may receive signaling and/or data on the enabled downlink subframes. The wireless device may power down during non-enabled subframes to conserve battery power. Mechanisms quickly transition between the DTX modes 310, 312 and DRX mode 314.
Abstract:
PROBLEM TO BE SOLVED: To reduce interruption in content distribution caused by transition when user equipment (UE) moves from one cell to the other, or when the distribution of a content is changed from Point-to-Point (PTP) connection to Point-to-Multipoint (PTM) connection in the same service cell by improving the continuity of service. SOLUTION: An external code block to which an information block belongs and an information block to which a sequence number for identifying a position of a block is added are accumulated for reception, and then re-sequencing is performed by the sequence number to detect an overlapping information block. The overlapping block is excluded, the sequence number is removed from each information block, and then the external code block is received to use a redundant block for the regeneration of a missing information block. COPYRIGHT: (C)2011,JPO&INPIT
Abstract:
PROBLEM TO BE SOLVED: To provide a method and apparatus for broadcasting content.SOLUTION: In encoding content to be multicast/broadcast into multiple streams, at least one stream provides a base portion of the content, and additional streams provide enhancements to the content. A wireless communication device receives the broadcast and decodes streams, in accordance with the reception capabilities of the wireless device. The configuration of the wireless device can be determined, based on the wireless device's capability for decoding multiple streams. In addition, the configuration of the wireless device can be determined, based on the subscriber level of the wireless device.
Abstract:
PROBLEM TO BE SOLVED: To provide group call service in a CDMA radio access network over a core network. SOLUTION: A system for group call service provides for call setup, call notification and call termination in the air interface of a CDMA radio access network. Indications about statuses of reverse link channels are sent to a number of members of a group, requests for the reverse link channels are received from a plurality of members of the group, and the reverse link channel is permitted to one of the plurality of members of the group. COPYRIGHT: (C)2010,JPO&INPIT
Abstract:
PROBLEM TO BE SOLVED: To provide a group call service, in a CDMA system. SOLUTION: This method and this system for group call services in a CDMA radio access network over a GSM (R)-MAP or ANSI-41 core network are presented. The method and the system provide for call setup, call notification, and call termination in the air interface of the CDMA radio access network. Not only new call flow messages but also the necessary modification to the traffic and signaling channels for the CDMA radio network are provided. COPYRIGHT: (C)2009,JPO&INPIT
Abstract:
PROBLEM TO BE SOLVED: To provide data transmission and reception techniques to improve capacity for a wireless network and achieve power savings for a wireless device.SOLUTION: The techniques utilize a continuous packet connectivity (CPC) mode 240 comprising multiple discontinuous transmission (DTX) modes 310, 312 and one or more discontinuous reception (DRX) modes 314. The DTX modes 310, 312 are associated with different enabled uplink subframes usable for transmission from the wireless device to the network. The DRX modes 314 are associated with different enabled downlink subframes usable by the network for transmission to the wireless device. The wireless device transmits and receives signaling and/or data on the enabled subframes. The wireless device may power down during non-enabled subframes to conserve battery power. Quick transition between the DTX modes 310, 312 and the DRX modes 314 is provided.
Abstract:
PROBLEM TO BE SOLVED: To provide a method and apparatus for access stratum management of wireless devices in order to control access to a wireless network.SOLUTION: The method comprises: reading system information from at least one broadcast channel from a current serving cell; and determining if an available cell is suitable for user equipment (UE) on the basis of information included in the broadcasted system information. The determining step comprises at least one of the following: comparing system release information regarding the user equipment (UE) from the broadcasted system information; determining if the available cell supports a specific feature which makes the available cell suitable for optimum performance of the UE; and determining if the available cell and a frequency combination are suitable for a UE type.