Huawei Technologies Co., Limited

China Mobile Communications Corporation

Chunchang Tian

Yong Wu

Yongxing Zhou

Qiang Wu

Hao Wang

Yinghui Yu

Yuanyuan Li

Guangyi Liu

Jing Jin

Sheng Zhang

Xiaodong Shen

Yafeng Wang

Xinrui Feng

Chao Rao

Tongyu Lin

Yumei Wang

Yihui Gui

When receiving a first data frame sent by a transmitting apparatus, a receiving apparatus may return error indication information including an identifier of at least one erroneous codeword group to the transmitting apparatus if it is found that an error occurs in an initial codeword of the first data frame. The transmitting apparatus may obtain the erroneous codeword group and encode the erroneous codeword group, and retransmit a part of a sub check codeword obtained through encoding to the receiving apparatus. The receiving apparatus may obtain a third check matrix based on a first check matrix, a second check matrix, and a location of the at least one erroneous codeword group in the initial codeword, and re-decode the retransmitted partial sub check codeword and content of the first data frame together based on the third check matrix, so as to obtain a correct initial codeword.

Data retransmission method and related apparatus

Embodiments of the present disclosure disclose a cloud platform, including: an Internet unit, configured to distribute an application and a lite server that are developed by an application service provider to a core network unit; the core network unit, configured to distribute the application and the lite server to an access network unit, wherein the access network unit is configured to virtualize a terminal and migrate a computing task of the terminal to virtual user equipment in a virtual machine for execution, and virtualize the lite server and migrate a network service capability of the lite server to the access network unit, so that the virtual user equipment runs the application distributed by the core network unit.

Cloud platform, application running method, and access network unit

This application provides a data transmission link establishment apparatus. The apparatus includes: a selection unit, configured to select a target node; a determining unit, configured to determine a backhaul node that needs to establish a data transmission link with the target node selected by the selection unit; a setting unit, configured to set protocol stack roles, in the data transmission link, of the target node and the backhaul node that is determined by the determining unit; and a configuration unit, configured to perform configuration on the target node and the backhaul node according to the protocol stack roles that are set by the setting unit, to establish the data transmission link between the target node and the backhaul node.

Data transmission link establishment apparatus and method, and communications system

Embodiments of the present invention provide a network device and a data backhaul implementation system and method, which can implement centralized and dynamic allocation of backhaul resources in a network and improve a data backhaul capacity of the entire network. The method includes: obtaining, according to channel state information, a backhaul request of a second network device, and residual backhaul capability information of a third network device, backhaul control information used for controlling the second network device and the third network device to backhaul data, where the backhaul control information includes backhaul network topology control information and physical resource allocation information; and sending the backhaul control information to the second network device and the third network device, so that the second network device and the third network device backhaul data according to the backhaul control information.

Network device and data backhaul implementation system and method

The present invention provides a synchronization signal sending method and apparatus and a synchronization signal receiving method and apparatus. The synchronization signal sending includes: a sending module, configured to send a first-type subframe, where the first-type subframe includes a physical downlink shared channel (PDSCH) and a first synchronization channel, the first synchronization channel includes a first primary synchronization signal (PSS) and a first secondary synchronization signal (SSS); and a processing module, configured to control the sending module to switch from sending the first-type subframe to sending a second-type subframe. The sending module is further configured to send the second-type subframe under the control of the processing module, where the second-type subframe includes a physical uplink shared channel (PUSCH) and a second synchronization channel, the second synchronization channel includes a second PSS or a second SSS.

Synchronization signal sending method and apparatus, and synchronization signal receiving method and apparatus

Embodiments of the present invention provide a data transmission method and system, a base station, and a user equipment (UE). The method includes: obtaining, by a base station, a second number of physical resource blocks (PRBs) according to a first number of PRBs, where the second number of PRBs is smaller than the first number of PRBs, and the first number of PRBs is exactly divisible by the second number of PRBs; sending, by the base station, indication information to a UE, where the indication information is used to indicate the second number of PRBs or an encoded bit repetition multiple, and the encoded bit repetition multiple is equal to the first number of PRBs divided by the second number of PRBs; and obtaining, by the UE, the encoded bit repetition multiple according to the indication information, and performing data transmission according to the encoded bit repetition multiple.

Data transmission method and system, base station and user equipment

In solutions provided in embodiments of the present application, a second orthogonal basis vector group and a group number of the second orthogonal basis vector group are determined according to a pre-defined first basis vector group, a third orthogonal basis vector group corresponding to each data layer is determined according to the second orthogonal basis vector group, then a second-level code word of each data layer is calculated separately, and the group number of the second orthogonal basis vector group, the third orthogonal basis vector group corresponding to the each data layer, and the second-level code word corresponding to the each data layer are sent to a base station, so that the base station may synthesize a multi-layer code word.

Method and apparatus for feeding back channel state information

A method for controlling uplink power is provided, which is used for implementing the uplink power control of the virtual multiple input multiple output system, so as to save the system resource. The method includes: determining at least two user equipments being paired in a virtual multiple input multiple output system; and in accordance with the orthogonality of the at least two user equipments, adjusting at least the power of one of the user equipments. In addition, a device for implementing the method is provided.

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Beijing, China

Chunchang Tian