Huawei Technologies Co., Limited

Zezhou Luo

Hongcheng Zhuang

Jietao Zhang

Chaoyi Yan

Youwen Yi

Jun Chen

Yuchen Guo

Yun Liu

Bo Wang

Jianqiang Shen

Mikhail Pikhletsky

Farid Khafizov

Komarov Mikhail

Ruslan Gilimyanov

A carrier aggregation system includes a TDD carrier and an FDD carrier, and a method for the carrier aggregation system includes: a terminal device receives downlink information by using a secondary component carrier; and the terminal device sends feedback information for the downlink information by using a primary component carrier. When the primary component carrier or the secondary component carrier is a TDD carrier, at least one first subframe that includes P consecutive sTTIs exists in the TDD carrier, and at least one sTTI that occupies two OFDM symbols exists in the P consecutive sTTIs, where P is an integer greater than 1. Embodiments of the present disclosure further provide a corresponding terminal device and network device.

Communication method for carrier aggregation system, terminal, and network device

A communication apparatus acting as a baseband unit (BBU) or being applicable to a BBU, and having instructions for obtaining first coordination information to be sent to a second BBU, determining, based on preset link information, a transmission link corresponding to the second BBU, the transmission link including a first remote radio unit (RRU) and a second RRU, the first RRU belonging to the BBU, the second RRU belonging to the second BBU, and the first RRU and the second RRU being connected through a wired link, sending the first coordination information to the first RRU, sending indication information to the first RRU, the indication information indicating to the first RRU to send the first coordination information to the second RRU through the wired link, the indication information having an identifier of the second RRU.

Information transmission method and communication apparatus

This application discloses a quick acknowledgement reply method and apparatus, where the method includes the following steps: receiving, by an acknowledgement sending apparatus, a data frame sent by an acknowledgement receiving apparatus; and after successfully decoding the data frame, generating and replying with, by the acknowledgement sending apparatus, an acknowledgement ACK frame, where the ACK frame includes a physical layer part; and the physical layer part includes: a legacy short training field L-STF, a legacy long training field L-LTF, and identification information of a station. This application is advantageous in low overheads.

Quick acknowledgement reply method and apparatus

Discloses is a backhaul transmission method for wireless communication, a controller, a base station, and a gateway. The method includes: sending, by a first base station, information about a backhaul requirement of the first base station to a controller; obtaining, by the first base station, information about a codebook from the controller, where the information about the codebook is determined based on the backhaul requirement of the first base station; and performing, by the first base station, backhaul transmission with a gateway by using the codebook. Information about a codebook used in backhaul transmission is determined based on a backhaul requirement of a base station, so that backhaul requirements of different base stations can be met, and a backhaul capacity of a system is increased.

Backhaul transmission method for wireless communication, controller, base station, and gateway

Embodiments of the present invention disclose a wireless backhaul connection establishment method and apparatus. According to the embodiments of the present invention, a first base station obtains a valid backhaul capability of a neighboring base station, where the neighboring base station is a base station that can perform wireless communication with the first base station, and the valid backhaul capability reflects a maximum capability of a base station to serve a newly-added backhaul service; the first base station selects an upstream base station from the neighboring base station according to the valid backhaul capability of the neighboring base station and a backhaul service requirement for the first base station, where the upstream base station is configured to provide a wireless backhaul relay service for the first base station; and the first base station establishes a wireless backhaul connection with the upstream base station.

Wireless backhaul connection establishment method and apparatus

A service distribution obtaining method, a network side device, and a terminal are provided in this disclosure. The method includes: obtaining, by a network side device, measurement information of multiple terminals in a serving cell and an average service volume of each of the multiple terminals, and determining service distribution, where the measurement information includes first channel state values of channels between the multiple terminals and a primary cell, the primary cell refers to the serving cell or one of neighboring cells of the serving cell, the service distribution includes a first typical channel state value of each type of the first channel state values and a first service volume between a terminal set corresponding to each type of the first channel state values and the primary cell, and the first service volume is determined according to the average service volume of each terminal.

Service distribution obtaining method, apparatus, and system

The present invention provides a radio resource optimization and management method, a centralized controller, and a base station. In the method, the centralized controller determines a work status series and a work policy series of each cell during a first time period; and sends the work status series and the work policy series of each cell to each cell, so that each cell adjusts resources of this cell according to the work status series and the work policy series, thereby enhancing a network KPI at a large time granularity by means of distributed cell coordination while ensuring local KPI performance of each cell. In contrast with distributed coordination optimization in a single coordination state, the present invention provides a higher degree of freedom in terms of a time dimension, and therefore provides better performance in terms of a network KPI at a large time granularity.

Radio resource optimization and management method, centralized controller and device

A method for allocating access and backhaul resources is provided, including: obtaining multiple coordinating sets in a network and a transmission mode corresponding to each coordinating set; determining, according to the multiple coordinating sets and the transmission mode corresponding to each coordinating set, an access and backhaul resource allocation manner corresponding to an optimal network access and backhaul joint utility; and instructing wireless access points in the network to use the access and backhaul resource allocation manner to transmit data to user terminals in the network. This ensures proper and flexible allocation of access and backhaul resources and improves system resource utilization.

Method and apparatus for allocating access and backhaul resources

Embodiments of the present disclosure describe a resource allocation method and apparatus. In an embodiment, the method may include receiving, by a base station, a downlink signal interference value that is sent by at least one UE associated with the base station and capability information of the at least one UE. The method may also include determining, by the base station, a belonging type of the at least one UE according to the downlink signal interference value and the capability information, and determining a duplex mode of the at least one UE according to the belonging type. Furthermore, the method may include allocating, based on the duplex mode, a resource to the at least one UE, and then sending the resource to the UE.

Resource allocation method and apparatus

A method for determining a multi-point transmission resource includes: obtaining backhaul statuses of multiple cells participating in multi-point transmission, and determining available backhaul rates of the multiple cells according to the backhaul statuses of the multiple cells; obtaining available access resources of the multiple cells for multi-point transmission; and determining access resources of the multiple cells for multi-point transmission according to a type and a service requirement of multi-point transmission, and the available backhaul rates and the available access resources of the multiple cells for multi-point transmission. The method improves multi-point transmission efficiency.

Method and apparatus for determining multi-point transmission resource

The present disclosure provides an access control method and apparatus, and a network device. The method includes: performing grid partitioning on a target cell covered by a wireless access point, to obtain multiple grids; grouping, based on a neighboring cell of the target cell, grids that satisfy a preset condition in the multiple grids into one or more interference clusters; calculating an access offset of each of the interference clusters; and sending, to a user in each interference cluster, an access offset of a corresponding interference cluster, so that the user selects a cell based on the access offset of the corresponding interference cluster. Grids of a target cell are grouped into interference clusters according to signal to interference plus noise ratios, and an access offset is set for each interference cluster, to ensure service quality and improve user experience.

Access control method and apparatus, and network device

A method for accessing to a mobile communication network, comprising: acquiring a session matching level for each cell, which is calculated based on a session type of a session initiated by a user terminal as needed, a session data rate available to the user terminal of each cell and load balance parameters of each cell; accessing to a cell selected according to the session matching level for each cell. Further, it also provides another method for accessing to a mobile communication network, and corresponding user terminal, network-side device and communication system.

Method, apparatus, and system for accessing to a mobile communication network

The embodiments of the present invention provide a method and a device for detecting a traffic hot spot of a cell. The method includes: acquiring load information of a cell in which a wireless access point AP is located, the load information includes at least two types of the following information: a data rate of user traffic requirement, the number of users associated with an AP, an average length of data packets and an average duration of successful transmissions; determining whether an operating state of the AP is abnormal according to the at least two types of information; determining a satisfaction degree of user according to the actual traffic rate of user, if the operating state of the AP is abnormal; and determining that a traffic hot spot exists in the cell, if the satisfaction degree of user is lower than a first preset threshold.

Method and device for detecting traffic hot spot of cell

The present invention provides a network optimization system, device, and method, including: determining, by a radio resource management functional entity, radio resource statistical data that is based on a TTI time granularity, acquiring radio resource configuration information, and managing a radio resource of a cell in which the radio resource management functional entity is located; determining, by a distributed optimization functional entity, first time granularity data and a first key performance index (KPI), determining first reference configuration information, determining a first optimization plan according to the first statistical data and the first reference configuration information, and optimizing the first KPI; and determining, by a centralized optimization functional entity, second statistical data that is based on a second time granularity, and a second KPI, determining second reference configuration information, determining, according to the second statistical data and the second reference configuration information.

Network optimization system, device, and method

A method for joint configuration of power and channel of a WLAN is provided, including: selecting transmitting power of each AP from transmitting power ranges of APs of a WLAN to form an AP transmitting power combination; determining a set of AP operating channel combinations corresponding to each AP transmitting power combination according to operating channels of the APs in the WLAN; calculating an estimated load of each AP corresponding to each AP operating channel combination corresponding to each AP transmitting power combination, and calculating KPIs of the WLAN corresponding to each AP operating channel combination according to the estimated load of each AP; and selecting, according to the calculated KPIs, an optimal channel configuration scheme of the WLAN corresponding to each AP transmitting power combination, and selecting an optimal power and channel configuration scheme of the WLAN, thereby improving throughput and resource utilization efficiency of the WLAN.

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Shenzhen, China

Zezhou Luo