Nanchang Coolpad Intelligent Technology Company Limited

Yulong Computer Telecommunication Scientific (Shenzhen) Co., Ltd.

Nanchag Coolpad Intelligent Technology Company Limited

Nanchang Coolpad Intelligent Technologies Company Limited

Chenlu Zhang

Yunfei Zhang

Yajun Zhu

Yixue Lei

Yiqing Cao

Mingju Li

Kewen Yang

Xiandong Dong

A method for maintaining time and frequency synchronization when a micro-cell base station is in an off state, a system for maintaining time and frequency synchronization when a micro-cell base station is in an off state, and a terminal are provided. The method includes: detecting a signal sent by a macro-cell base station or the micro-cell base station in a subframe at a predefined position when the micro-cell base station is in an off state; and performing an operation for maintaining time and frequency synchronization with the micro-cell base station based on the signal sent in the subframe at the predefined position.

Method and system for maintaining time-frequency synchronisation, and terminal

The present disclosure provides a resource allocation method and system used for direct terminal-to-terminal communication, a device having base station functionality, and a terminal. The resource allocation method includes: obtaining time-frequency resource usage of the device having the base station functionality and/or state information of each D2D terminal within a coverage area of the device having the base station functionality; determining an allocation mode of allocating time-frequency resource to the each D2D terminal, according to the time-frequency resource usage of the device having the base station functionality and/or the state information of the each D2D terminal; and allocating time-frequency resource used for the direct terminal-to-terminal communication to the each D2D terminal according to the allocation mode, so as to enable the each D2D terminal to use the allocated time-frequency resource to perform the direct terminal-to-terminal communication.

Resource allocation method and system, device having base station functionality, and terminal

In one aspect of the disclosure, a channel detection method applied when an LTE system works in an unlicensed frequency band comprises determining a current sub-frame and a channel detection time when a data traffic arrives, wherein the channel detection time is set in at least one of the current sub-frame and a next adjacent sub-frame to perform channel state detection, and judging whether the terminal or base station that performs the channel state detection and other terminals or base stations belong to a same telecommunication operator in order to perform the channel state detection in a corresponding way; and performing data traffic transmission when it is detected that the channel is in an idle state. Other aspects of the disclosure relates to a terminal and a base station using the channel detection method.

Channel detection method, terminal and base station

The present invention provides a relay selection routing method based on direct communication of a terminal, applied to a base station, including: establishing a database of a topological structure of a direct communication terminal on a network side; when a change of the topological structure is detected, updating the database of the topological structure; when a direct communication service request is received, determining a data sending path and a destination relay node corresponding to the direct communication service request according to the database of the topological structure, sender information and receiver information of the direct communication service request and a preset selection principle; and establishing a direct communication data sharing network corresponding to the direct communication service request according to the data sending path and the destination relay node. Correspondingly, the present invention further provides a relay selection router based on direct communication of a terminal.

Relay selection routing method and relay selection routing apparatus based on direct communication of terminal

The present disclosure provides a data transmission method, including: upon receipt of a service request, it is determined whether said service request is a data sharing request; if the determined result is that said service request is a data sharing request, then the data source node and data-receiving destination node corresponding to said data sharing request are determined; according to the distance principle and/or signal quality principle and the credit principle and/or incentive principle, a bearer network node is selected corresponding to said data source node and said data-receiving destination node; according to said bearer network node, data source node, and data-receiving destination node, the data sharing network structure is determined. The technical solution of the present disclosure resolves the trust and incentive problem in terminal direct-connection communication networks, increasing security in the sharing of data.

Data transmission method and apparatus

A server is provided, which includes a terminal determining unit which determines a destination terminal to share a service when a service request sent by any terminal is received or when it is detected that a network-side needs to share the service, a generation unit which generates service network topology structure information corresponding to the service according to the destination terminal, and a network determining unit which determines a hosted network corresponding to the service according to the service network topology structure information. Correspondingly, a data transmission method is also provided.

Server and data transmission method

A radio resource management method, a radio resource management device, an equipment having base station functionality, a radio resource monitoring method, a radio resource monitoring device, and a terminal are provided. The method includes a first radio resource of the serving cell in which a terminal is located, and a second radio resource of any one of the neighboring cells in neighboring cells of the serving cell, are obtained; the first radio resource and the second radio resource are differentiated to obtain a target radio resource, and the target radio resource is transmitted to the terminal.

Radio resource management method, management device, monitoring method, and monitoring device

The present disclosure proposes a VoIP data transmission method, comprising: when a VoIP communication request corresponding to any terminal is received, determining whether currently adopted uplink and downlink configuration information supports the terminal in performing TTI bundling operation according to preset bundling configuration parameters when it is determined that the terminal is required to perform the TTI bundling operation on generated VoIP data package; and when not supporting, sending the preset bundling configuration parameters and new uplink and downlink configuration information to the terminal, wherein the new uplink and downlink configuration information supports the terminal in performing the TTI bundling operation according to the preset bundling configuration parameters.

VoIP data transmission method and base station

Provided are a resource allocation method and a resource allocation device, which are used for a frequency division duplexing system. The resource allocation method comprises: setting a shared frequency band; and according to resource demands for an original uplink frequency band and an original downlink frequency band in a network service, allocating the shared frequency band to the original uplink frequency band and/or the original downlink frequency band.

Resource allocation method and resource allocation device

Methods and systems for determining the duration of a rapid on/off state include: when a micro-cell base station is a single sub frame-level on/off micro-cell base station, determining in real-time the on/off state of the micro-cell base station in order to determine the duration of the state of the micro-cell base station; and when the micro-cell base station is a multiple sub frame-level on/off micro-cell base station, by means or receiving a notification message sent by the micro-cell base station or a macro-cell base station, determining the duration of the state of the micro-cell base station.

Growing community of inventors

Guangdong, China

Chenlu Zhang