Zte Corporation

Yincheng Zhang

Zhifeng Ma

Zijiang Ma

Si Hong Chen

Guanzhou Wang

Jian Zhang

Xuejun Yang

Yada Huang

Qian Dai

Hui Chen

Hua Rui

Jing Liu

Jian Wang

Dapeng Li

Meifang He

Hu Liu

Yongqiang Zheng

Benshou Wu

Si Chen

Zijiangzte Plaza Keji Road South Ma

The present invention discloses methods for random access of a Relay Node (RN), which includes one method for random access wherein a RN monitors R-PDCCH and receives a random access response message according to a random access-radio network temporary identifier through the R-PDCCH. By the present invention, the random access procedure of the RN is achieved.

Random access method for relay nodes

The present invention discloses a method and an apparatus for processing a data transmission conflict of a relay-node (RN), wherein the method for processing comprises: under the circumstance that the above RN is configured with multi-subframe scheduling resources on a backhaul subframe, if the above RN has acquired dynamic resources on the above backhaul subframe, receiving or sending, by the above RN, data by using the above multi-subframe scheduling resources or the above dynamic resources on the above backhaul subframe, or performing no processing; if the above RN has acquired semi-persistent resources on the above backhaul subframe, receiving or sending, by the above RN, data by using the above multi-subframe scheduling resources or the above semi-persistent resources on the above backhaul subframe, or performing no processing. According to the present invention, the problem of the data transmission conflict is solved, thereby achieving the normal transmission.

Method and apparatus for processing a data transmission conflict of a relay-node

The present invention discloses a method, a terminal and a network system for reporting a buffer status report. The method comprises: a terminal triggers a buffer status report (BSR) and obtains radio resource information of uplink component carriers in a radio network; one or more BSR data units are constructed based on information of buffer data volume to be transmitted; one or more uplink component carriers are selected from the uplink component carriers with available radio resources, and the BSR data unit(s) is/are transmitted on the selected uplink component carrier(s) to a network side. The present invention fully takes advantages of wide bandwidth of a long term evolution-advanced (LTE)-A system, and can realize high-efficiency-and-quality transmission of BSR data unit(s).

Method, terminal and network system for reporting buffer status report

A relay node and a method thereof for transmitting data are provided in the present invention, which relates to the field of wireless communication technology. The method in the present invention includes: the relay node receiving data on multiple corresponding continuous or discontinuous downlink backhaul subframes according to the obtained scheduling information of downlink multiple subframes scheduling, and sending data on multiple corresponding continuous or discontinuous uplink backhaul subframes according to the obtained scheduling information of uplink multiple subframes scheduling. The technical solution of the present invention solves a problem of scheduling resources of multiple subframes for the relay node. Compared to a dynamic scheduling and semi-persistent scheduling method in the prior art, the technical solution of the present invention can more flexibly configure and use resources to ensure transmission of the backhaul link between a base station and the relay node.

Relay node for transmitting data by using scheduling information of multiple subframes scheduling and method for the relay node transmitting data by scheduling information of multiple subframes scheduling

The present invention discloses a UE (User Equipment) and a method of the UE for receiving downlink data to avoid the occurrence of mistakes when the UE receives the downlink data. The method comprises the following steps: during the reestablishment, in the process of transmitting Service Data Units (SDU) to a Packet Data Convergence Protocol (PDCP) entity from a Radio Link Control (RLC) entity in the UE, if the PDCP entity judges that the PDCP Sequence Number (SN) of the received PDCP Protocol Data Unit (PDU) which includes the SDU satisfies the report condition, the PDCP PDU is received and the SDU included in the PDCP PDU is submitted to the upper layer entity, wherein the report condition is: PDCP SN=(Last_Submitted_PDCP_RX_SN+1)%(Maximum_PDCP_SN+1).

User equipment and method of user equipment for receiving downlink data

The present invention provides a time division synchronous code division multiple access (TD-SCDMA) system for controlling enhanced uplink random access, including user equipment (UE), node B and serving radio network controller. The present invention also provides a method for controlling the enhanced uplink random access in a time division synchronous code division multiple access system, including: in high speed uplink packet access scheduling service of time division synchronous code division multiple access system, the higher layer of network side deploys a timer at the user equipment side; if the user equipment still needs to transmit data when the current available grant expires, it starts up the timer which is used as the delay time of initiating the enhanced uplink random access. According to the ability of the network side in controlling E-DCH resources, the present invention can be used to control the time delay that UE initiates the enhanced uplink random access after one grant expires, so as to avoid invalid random access; meanwhile the present invention provides a reliable mechanism for the enhanced uplink random access. By using the method of this invention, system resources can be reasonably utilized, thereby greatly improving the system efficiency.

TD-SCDMA system and a method for controlling HSUPA random access thereof

The invention discloses a method for real-time service transmission and a method for resource allocation, wherein, the method for resource allocation of real-time service transmission includes the following processing: through the resource allocation control channels, the base station allocates the semi-static service channel resources to the terminal to be used for the initial transmission of hybrid automatic repeat request of the real-time service packets; wherein, before the base station reconfigures or releases the semi-static service channel resources, the terminal can use the semi-static service channel resources continuously; through the resource allocation control channels, the base station allocates the dynamic service channel resources to the terminal to be used for the retransmission of the hybrid automatic repeat request of the real-time service packets; wherein, the terminal can only use the dynamic service channel resources within the allocated time frame.

Real-time service transmission method and resource allocation method

The present disclosure provides a method and device for Relay Node (RN) access, wherein the method comprises the following steps: a base station sends a downlink message to trigger the RN to switch from monitoring a Physical Downlink Control Channel (PDCCH) to monitoring an RN-dedicated Physical Downlink Control Channel (R-PDCCH), and the RN acquires time-frequency resources for an R-PDCCH from the base station, before or while receiving the downlink message. The present disclosure enables an RN to switch from transmitting according to indication on the PDCCH to transmitting according to indication on the R-PDCCH, i.e., the RN switches from being in a connection state as the UE to being in a connection state as an RN. The present disclosure makes less change to the existing flows, offering advantages of easy implementation, flexible configuration, etc.

Method and device for relay node access

The present invention discloses a method for implementing power control of the high speed shared control channel and the high speed shared information channel, including: Node B independently setting the initial transmit power of the HS-SCCH with reference to the maximum power of HS-SCCH configured by higher layer and completing the open-loop power control; performing the close-loop power control based on transmit power control TPC command; UE calculating the initial transmit power based on a series of parameters configured by the higher layer and completing the open-loop power control; UE adjusting the close-loop transmit power based on the TPC command carried on HS-SCCH and completing the close-loop power control. Wherein, Node B generates the TPC by taking the high speed shared information channel SNR generated by itself as the target value and the high speed shared information channel SNR measured as the actual value. The present invention can achieve the power control of HS-SCCH and HS-SICH based on the TPC parameters for HS-SICH close-loop control calculated by Node B.

Implement method for power control of the high speed shared control channel and the high speed shared information channel

A method for discontinuous reception (DRX) configuration is disclosed, and the method includes: configuring DRXs for a plurality of component carriers, and selecting one or more component carriers as anchor component carriers; controlling the DRXs of other non-anchor component carriers by the anchor component carrier. A system for discontinuous reception (DRX) configuration is also disclosed, and the system includes: a selection and configuration unit, which is used to configure DRXs for a plurality of component carriers and select one or more component carriers as anchor component carriers; a control unit, which is used to control the DRXs of other non-anchor component carriers by the anchor component carrier. By the method and the system, the DRX solution based on the primary carrier is clarified, and the DRX solution based on primary carriers in the stage of conception is improved and concretely implemented.

Method and system for discontinuous reception (DRX) configuration

The present invention discloses an uplink synchronization control method and system for the high speed shared information channel. The method includes: S, a radio network controller assigns resources associated with the high speed downlink packet access for a user equipment and sends the information associated with the resources to Node B and the user equipment; S, Node B configures uplink synchronization parameters for the high speed shared information channel for the user equipment using the uplink synchronization parameters which are assigned by the radio network controller for the radio link for the high speed shared information channel; the user equipment configures the uplink synchronization parameters for the high speed shared information channel of the user equipment using the uplink synchronization parameters for the uplink associated dedicated physical channel assigned by the radio network controller; S, Node B and the user equipment send and/or receive a synchronization control commands and control the uplink synchronization process for the high speed shared information channel according to the uplink synchronization parameters for the high speed shared information channel assigned for the user equipment respectively.

Uplink synchronous control method and apparatus of the high speed shared information channel

A semi-persistent scheduling method is provided in the present disclosure, and the method comprises: when a semi-persistent scheduling periodicity comes, an evolved node B (eNB) and a terminal (UE) select a sub-frame in a sub-frame group as a sub-frame for current semi-persistent scheduling; the sub-frame group includes multiple sub-frames, and a sub-frame group periodicity equals to the semi-persistent scheduling periodicity. The problem that the sub-frames with the same relative position in different sub-frame groups are the sub-frames in which the collision between the initial transmission and the retransmission of the HARQ data packet most possibly occurs is considered by the technical solution of the present disclosure, so the purpose that prolonging the interval length of the collision between the initial transmission of the HARQ and the retransmission of the HARQ and reducing the collision between the initial transmission of the HARQ and the retransmission of the HARQ is achieved by reasonably configuring the number of sub-frames in a sub-frame group and alternately using different sub-frames in the sub-frame group.

Semi-persistent scheduling method

A channel for multicarrier high speed downlink packet access and a method for allocating the carrier resource include: the wireless network controller configures the multicarrier high speed downlink packet access resource of a multicarrier cell, the multicarrier high speed downlink packet access resource includes the high speed physical downlink shared channel resource, the high speed shared control channel and the high speed shared information channel pair resource. The resource is managed and allocated by the node B. The wireless network controller allocates the associated&#x2014;dedicated physical channel according to the recorded original configuration information and original allocation information of each carrier, and sends the configuration information to the node B, then the node B allocates the high speed physical downlink shared channel carrier resource, the associated high speed shared control channel and the high speed shared information channel pair resource.

Method for configuring channel and carrier resources for multi-carrier high speed downlink packet access

The invention discloses a method for real-time service transmission and a method for resource allocation, wherein, the method for resource allocation of real-time service transmission includes the following processing: through the resource allocation control channels, the base station allocates the semi-static service channel resources to the terminal to be used for the initial transmission of hybrid automatic repeat request of the real-time service packets; wherein, before the base station reconfigures or releases the semi-static service channel resources, the terminal can use the semi-static service channel resources continuously; through the resource allocation control channels, the base station allocates the dynamic service channel resources to the terminal to be used for the retransmission of the hybrid automatic repeat request of the real-time service packets; wherein, the terminal can only use the dynamic service channel resources within the allocated time frame. The present invention can ensure the real time of service transmission and reduce the control signaling overhead during service transmission, thereby ensuring the QoS requirements of service.

A repeat control method in enhanced uplink asynchronous hybrid automatic repeat request (HARQ) includes the following steps: (1) the network side adding a repeat timer parameter in the HARQ attribute of each dedicated media access control (MAC-d) entity flow, the user terminal setting the repeat timer value in the enhanced media access control (MAC-e) entity protocol data unit (PDU) according to the repeat timer parameter; (2) the user terminal performing the repeat control utilizing the repeat timer value in cooperation with the maximum repeat number. The wireless bearer QoS requirement and the cooperation working between the sender and the receiver are implemented.

Growing community of inventors

Shenzhen, China

Yincheng Zhang