China Mobile Communications Corporation

Zte Corporation

China Mobile Communication Company Limited

Zhenping Hu

Jin Xu

Xiaowei Jiang

Zijiang Ma

Fei Wang

Ning Yang

Hui Tong

Nan Li

Xiaodong Xu

Dapeng Li

Zhongda Du

Nan Hu

Youjun Gao

Dajie Jiang

Chunfeng Cui

Fang Quan Xie

Fang Xie

Jing Jin

Qixing Wang

Dawei Zhang

Xiaoran Zhang

Lijie Hu

Desheng Wang

Zhihua Shi

Weimin Wu

Yuchao Liu

Ba Jin

The disclosure discloses a Network Assisted Interference Cancellation and Suppression (NAICS) method, apparatus, system and related device, for NAICS based on existing hardware configuration of a terminal. A first NAICS method includes the following steps. NAICS capability information reported by a User Equipment (UE) is received. NAICS assisted signalling is issued to the UE according to the NAICS capability information and/or interference information of a neighbouring base station. A second NAICS method includes the following steps. Transmission Modes (TM) are divided into N TM subsets, each TM subset including at least one TM, N being a natural number. A neighbouring base station is notified of a TM subset scheduled for an interfering UE, wherein the interfering UE includes a UE located at the edge of a coverage area of the neighbouring base station, and the notified TM subset does not include a high-complexity TM.

Network assisted interference cancellation and suppression method, apparatus, system and related device

An answer information feedback method includes steps of: with respect to a current uplink subframe of a primary carrier in a TDD mode, determining, by a terminal, a downlink subframe of a secondary carrier in an SDL mode and corresponding to the current uplink subframe in answer information feedback as a to-be-fed-back downlink subframe, the to-be-fed-back downlink subframe being determined from designated downlink subframes of the secondary carrier in accordance with a downlink retransmission timing mode for a DL-reference UL/DL configuration of the secondary carrier, the designated downlink subframes including downlink subframes except a downlink subframe having a location identical to an uplink subframe indicated by the DL-reference UL/DL configuration, the DL-reference UL/DL configuration being identical to a timeslot configuration of the primary carrier; and transmitting answer information for the to-be-fed-back downlink subframe to a network side using the current uplink subframe.

Answer information feedback method, answer information reception method, and related apparatuses

The disclosure discloses Network Assisted Interference Cancellation and Suppression (NAICS), methods and devices for controlling the same, which are configured to reduce processing complexity of User Equipment (UE) in NAICS under the condition of no excessive high-layer signalling overhead and no waste of a Carrier Aggregation (CA) capability of the UE in a CA scenario. The method for NAICS includes that: the UE receives an Interference Cancellation (IC) indication message sent by a Node B, and the IC indication message includes an Identifier (ID) of a Component Carrier (CC) which is targeted when the UE performs NAICS. The CC is a CC which performs CA transmission on the UE; and the UE performs NAICS on the CC according to the IC indication message.

Network assisted interference cancellation and suppression, methods and devices for controlling the same

The present disclosure provides a method for indicating a modulation and coding scheme (MCS), including a step of when it is determined that a UE supports a downlink 256QAM mode, indicating the 256QAM mode using current information indicating the MCS or extended information indicating the MCS in downlink control information (DCI). The present disclosure further provides a method for receiving downlink data, including a step of, after a UE has received information indicating an MCS which includes indication information indicating a 256QAM mode, receiving the downlink data according to the 256QAM mode and a corresponding TBS index. The present disclosure further provides devices for implementing the above methods.

Method and device for indicating modulation and coding scheme, and method and device for receiving downlink data

A communication parameter determination method, and a WLAN communication method and device, comprising: a base station determines a first communication parameter used by a first mobile terminal for communication in a WLAN, the first communication parameter representing a first waiting time of the first mobile terminal in the WLAN from the time of determining that the channel is idle to the time of starting to communicate, and the first waiting time being less than a second waiting time of a second mobile terminal in the WLAN from the time of determining that the channel is idle to the time of starting to communicate; the base station transmits the determined first communication parameter to the first mobile terminal. Accordingly, the first mobile terminal about to switch from a cellular network to the WLAN receives the first communication parameter transmitted by the base station; and after accessing the WLAN, the first mobile terminal uses the first communication parameter to communicate in the WLAN. The solution provided in an embodiment of the present invention improves the WLAN communication quality for a mobile terminal that has switched from a cellular network to a WLAN.

Method and apparatus for determining communication parameter and for communication in WLAN

A method and device for obtaining carrier information and carrier information indication include: a user equipment obtains parameters of uplink carrier information according to the message sent by a network side in broadcast manner, or, the user equipment obtains parameters of uplink carrier information according to the preset information. Time Division Duplex wireless communication system with asymmetry uplink frequency band and downlink frequency band can be supported effectively, guard frequency band near the intersection occurred when the adjacent frequencies coexist is utilized fully, and frequency spectrum utilization rate is improved; further more, Time Division Duplex wireless communication system with unequal uplink band width and downlink band width can be supported, and the application of the Time Division Duplex system is expanded effectively.

Method and device for obtaining carrier information and carrier information indication

The embodiments of the present invention disclose a method and user terminal for receiving multicast control channel (MCCH) change notifications, which include: obtaining the transmission time of an MCCH change notification; and when the MCCH change notification is not received during one MCCH modification period, receiving, according to the transmission time of the MCCH change notification, the MCCH change notification at least N times, wherein N is the preset reception times of the MCCH change notification. In the present invention, the efficiency of receiving MCCH change notifications by user terminals is improved, and the probability of processing MCCH change notifications falsely due to too many network identifiers in a physical downlink control channel (PDCCH) is reduced.

Method for receiving multicast control channel change notification and user equipment

A method, system and device for supporting enhanced Multimedia Broadcast Multicast Service (eMBMS) in a relay network are disclosed. The method includes that: a network side sends a message to a relay node used to indicate a position of a Multicast Broadcast over Single Frequency Network (MBSFN) subframe relates to the eMBMS in a transmission frame; the relay node determines the position of the MBSFN subframe in the transmission frame according to the message, and makes the MBSFN subframe silent according to the determinate position; when a user terminal determines the existence of the MBSFN subframe made silent by the relay node in the transmission frame sent from the relay node, the user terminal receives the eMBMS sent by device except the relay node according to control information of the received eMBMS, thereby avoids the influence of the relay node to the user terminal supporting eMBMS.

Method for supporting enhanced multimedia broadcast multicast service (EMBMS), method and device for sending MBMS control channel (MCCH) modification notice

A method for data transmission based on a relay mobile communication system and an equipment thereof are provided by the present invention. The method includes: at least two transport planes are configured on the Un interface protocol stack of the relay equipment and the base station eNode B; the relay equipment and the eNode B transmit the data via at least two transport planes configured on the Un interface protocol stack. With the present invention, the throughput rate of the Un interface between the relay equipment and the eNode B in the relay mobile communication system is improved, and the time delay of the Un interface is reduced.

Method and device for transmitting data based on a relay mobile communication system

A method for user uplink data scheduling and an user equipment are applied in multi-period mode semi-persistent scheduling under 3GPP Long Term Evolution TDD configuration, the method includes setting the different offsets delta of periods for multi-period mode semi-persistent scheduling started by each uplink sub-frame in 10 ms radio frame, determining the periods of multi-period mode semi-persistent scheduling started by each uplink sub-frame in 10 ms radio frame according to the set delta, and scheduling the uplink new conveyed package data of user according to the periods of multi-period mode semi-persistent scheduling started by each uplink sub-frame in 10 ms radio frame. The method and user equipment can be used to increase the utilization ratio of resource, and are simple and easy to use.

Method and equipment for user'S uplink data scheduling

A method and equipment for determining the transmission resource of channel quality indicator are disclosed. They are applied in Time Division Duplex TDD system and Half Duplex-Frequency Division Duplex HD-FDD system when Discontinuous Reception DRX operation is adopted. The method includes the following steps: determining the location of the downlink subframe where the start point of monitoring Physical Downlink Control Channel PDCCH in DRX cycle is located; determining whether the transmission resource used for transmitting the Channel Quality Indicator CQI is an uplink subframe previous to the determined location or one or more uplink subframes after the determined location. Availability of the CQI information when performing downlink schedule is guaranteed, and the transmission resource used for transmitting CQI can be effectively saved.

Method and equipment for determining the transmission resource of channel quality indicator

A user uplink data scheduling method and user equipment, which are applied to multiple-periodicity mode semi-persistent scheduling supporting Transmission Timing Interval (TTI) bundling in the second Downlink/Uplink (DL/UL) timing interval proportion configuration mode (Time Division Duplex (TDD) DL/UL subframe configuration 1) in a Third Generation Partnership Project (3GPP) Long Term Evolution (LTE) TDD system. The user uplink data scheduling method includes the steps of: acquiring an indication message transmitted from a base station for indicating user uplink data based on the multiple-periodicity mode semi-persistent scheduling; setting a periodicity offset of the multiple-periodicity mode semi-persistent scheduling; determining the periodicities of the multiple-periodicity mode semi-persistent scheduling of per two adjacent TTI bundles according to the set offset; scheduling user uplink new transmission packet data according to the determined periodicities of the multiple-periodicity mode semi-persistent scheduling. The problem that the new-transmission packet and the re-transmission packet of the same user of the multiple-periodicity semi-persistent scheduling conflict is solved, and signal overhead is reduced when TTI bundling supports the VoIP service and so on.

Growing community of inventors

Beijing, China

Zhenping Hu