China Academy of Telecommunications Technology

Datang Mobile Communications Equipment Co., Ltd.

Other

Datang Mobile Communications Co., Ltd

Wei Bao

Chen Wang

Fangli Xu

Li Long Chen

Yali Zhao

Dajun Zhang

Bin Jiao

Jing Liang

Guoqing Li

Xueming Pan

Jiamin Liu

Haiyang Quan

Pierre Bertrand

Zhuo Gao

Qiubin Gao

Haijing Hu

Ying Wang

Yan Wang

Yuan He

Xing Yang

Guojun Xiao

Fei Qin

Jiayi Fang

Haijun Zhou

Li Chen

Yu Qiu

Beibei Jia

Huiru Kou

Ji-amin Liu

Haizhou Bi

Yi Yang

A method and a device for decompressing and compressing uplink data are provided. The method for decompressing uplink data includes: checking, by a decompression end, a UDC header in a PDCP packet after the PDCP packet is received, where the UDC header includes at least: compression context information of a data packet in the PDCP packet and information related to a decompression buffer area, and the information related to the decompression buffer area is for indicating the decompression end to control the decompression buffer area of the decompression end to keep consistent with a compression buffer area of a compression end; and performing, by the decompression end, a corresponding operation on the data packet in the PDCP packet according to the compression context information and the information related to the decompression buffer area.

Method and device for decompressing and compressing uplink data

Disclosed are a method and apparatus for sending information and channel monitoring processing. The method comprises: when a terminal receives a wake-up signal and is woken up, monitoring, within a time window, a paging channel and/or a control channel in a discontinuous reception or an extended discontinuous reception manner; if the terminal receives a paging message and/or control channel scheduling information within the time window, then processing the paging message and/or processing the control channel scheduling information; and if the terminal does not receive a paging message and/or control channel scheduling information within the time window, then not monitoring the paging channel and/or control channel any more, and continuing to receive a wake-up signal. A base station sends the wake-up signal to the terminal, and sends, within a time window, information over a paging channel and/or a control channel in a discontinuous reception or an extended discontinuous reception manner. By means of the present application, it can be ensured that a terminal saves electricity, and that a service of the terminal can be reached.

Method and apparatus for sending information and channel monitoring processing

A service data transmission method, a UE and a network side device are provided. The service data transmission method includes: upon receipt of a scheduling command for an uplink resource from a network side device, acquiring attribute information of to-be-transmitted service data packets, the attribute information of the to-be-transmitted service data packets including a time delay; and mapping the to-be-transmitted service data packets to the uplink resource in accordance with a time delay requirement on the to-be-transmitted service data packets, and transmitting the to-be-transmitted service data packets on the uplink resource.

Service data transmission method, user equipment and network side device

A transmission method of system information, a user equipment, a network side device, a system and a storage medium are provided. The method includes: receiving, by the UE, system information sent by a network side device, the system information is part of system information of the network side device; sending, by the UE, a request message to the network side device, wherein the request message is used to request the system information required by the UE; receiving by the UE, the system information required by the UE in on-demand system information sent by the network side device, wherein the on-demand system information is another part of system information of the network side device other than the part of system information of the network side device.

System information transmission method, user equipment, network side device, system and storage medium

A method for managing a wireless system area, a terminal and a base station are provided. A new location management area for the terminal in an inactive connection state/RRC idle state is defined. The process of moving among different nodes in the area is simplified.

Method for managing wireless system area, terminal and base station

A method, device, base station and UE for uplink transmission main carrier switch and control to enable the uplink transmission main carrier of the UE to switch among multiple different cells providing service for the UE, enhance the transmission flexibility of the uplink transmission main carrier of the UE, and at the same time take account of the transmission requirements of transmission power and UE services. The method for uplink transmission main carrier switch and control includes: determining the transmission resources of the cell set used for providing service for the UE, the transmission resources being configured for the user equipment (UE), wherein the transmission resources include the configured resources of uplink transmission carrier of multiple cells, the transmission resources being used for enabling the uplink transmission main carrier of UE to switch among the uplink transmission carriers corresponding to different cells; informing the UE of the transmission resource of the cell set.

Method, device, base station and UE for uplink transmission main carrier switch and control

Disclosed are a data transmission method and apparatus. In embodiments of this application, a virtual cell comprising multiple cells can be configured, and data transmission can be implemented by time-division multiplexing among the cells, so that transmission carriers for a terminal service can be flexibly adjusted. Particularly, under the condition that transmission is deployed on an unlicensed spectrum resource, multiple cells operating on an unlicensed frequency band are aggregated into one virtual cell, and data transmission is implemented by time-division multiplexing among the cells; therefore, the interference in different frequency domains can be reduced and the system transmission efficiency can be improved.

Data transmission method and apparatus

Disclosed are a method, a device, and a system for the acquisition of control node information. In embodiments of the present invention, on the basis of information transmitted by a base station, a relay node acquires control node information on user terminal access attached in the information acquired, thereby allowing a relay node in a system placed after the introducing relay node to be informed of the control node information on user terminal access.

Method, device, and system for acquisition of control node information

The present invention discloses a method and apparatus for random access in a relay system, comprising: a Relay Node (RN) determines whether a random access is triggered, if the random access is triggered, the RN performs the random access by using a non-backhaul link subframe. In the present invention, if the random access of the RN working in a base station state is triggered, the RN can perform the random access by using partial or all of non-backhaul link subframe resources, that is, the RN can perform the random access by using the subframes of the Uu interface. The method can reduce the time delay for performing the random access of the RN working as a base station and improve the user experience.

Method and apparatus for random access relay system

The present disclosure provides a method, a system and a device for reporting movement information. The method includes steps of determining, by the UE, that the UE is being or has been switched from an idle state into a connection state; and reporting, by the UE, movement information of the UE to a network-side device.

Method, system and device for reporting movement information

Disclosed are a data forwarding method and device, used for solving the problem that a communication interruption risk is generated when a user equipment (UE) is handed over in an existing hierarchical network. The method comprises: a source macro base station obtaining serial number sending state information of PDCP data packets, in uplink and downlink directions, of a local base station currently accessed by a UE, a control plane of the UE being connected to the source macro base station, and a user plane being connected to the local base station; and the source macro base station sending the serial number sending state information to a target base station that the UE is to be handed over to, and the target base station establishing a user plane connection to the UE according to the serial number sending state information.

Data forwarding method and device

Disclosed in the present application are a method and a device for intra-cell handover, and a method and a device for path switching, used for avoiding network side and user equipment (UE) side next hop chaining counter (NCC) desychronization when a UE switches out of a relay node (RN), so as to avoid communication failure. The method for intra-cell handover provided in the present application comprises: an RN determining whether the value of the difference between the UE side NCC and the NCC most recently received by the RN and allocated for the UE by a mobility management entity (MME) serving the UE meets the preset triggering requirement for intra-cell handover; if the value of the difference meets the triggering requirement, then the RN initiates intra-cell handover.

Method and device for intra-cell handover

The present invention discloses a mapping method and apparatus for resource status process, and the method comprises the following steps: DeNB receives resource status information from RN; said DeNB acquires the address of source eNB according to said resource status information and context information; said DeNB sends said resource status information to said source eNB according to the address of said source eNB. In the present invention, context information on DeNB is established for source eNB to enable DeNB to route resource status response message or resource status report to correct source eNB apparatus according to context information.

Mapping method and apparatus for resource status process

A resource allocation method and apparatus for a relay node under the condition of carrier aggregation are disclosed in the embodiments of the present invention. By applying the technical solution of the embodiments of the present invention, a relay node can determine information of cells, which are currently available for allocation, of a Un interface, and report the information to an eNB, so that the eNB can allocate corresponding Un interface resources for the relay node according to the information. Thus the eNB side can accurately obtain the information of the cell resources, which are available for allocation and currently correspond to the relay node, of the Un interface. Thus the problem is solved that the relay node cannot properly work under the condition of the carrier aggregation caused by the mismatching between the Un interface resources directly allocated by the eNB and the relay node in the prior art.

Resource allocation method and apparatus for relay node under the condition of carrier aggregation

Embodiments of the present invention relate to the technical field of wireless communications, and specifically relate to a method, system and device for switching, for use in solving the problem in the prior art of the risk of communication interruption when a user equipment (UE) is switching due to greatly increased frequency and number of times of switching by the UE in an E-UTRAN network architecture. The method of the embodiments of the present invention comprises: a UE receives a DRB reconfiguration message from a macro base station; and the UE keeps a PDCP layer corresponding to all of the DRBs of a control side and of a user side at the macro base station, and switches other layers corresponding to some or all of the DRBs of the user side except the PDCP layer onto at least one base station. Because the embodiments of the present invention reduce the number of times of control side switching by the UE, in the case of increased frequency and number of times of switching by the UE in the E-UTRAN network architecture, the risk of communication interruption is reduced when the UE is switching.

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Beijing, China

Wei Bao