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Control method, system and device of CoMP (Coordinated Multi-point Transmission/Reception) mode

A control method and a mode control module technology, applied in the field of communication, can solve problems such as inability to control CoMP mode in real time, and achieve the effect of enhancing flexibility and improving transmission efficiency

Active Publication Date: 2010-12-29
DATANG MOBILE COMM EQUIP CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The purpose of the present invention is to at least solve one of the above-mentioned technical defects, especially solve the defect that the CoMP mode cannot be controlled in real time in the prior art

Method used

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  • Control method, system and device of CoMP (Coordinated Multi-point Transmission/Reception) mode
  • Control method, system and device of CoMP (Coordinated Multi-point Transmission/Reception) mode
  • Control method, system and device of CoMP (Coordinated Multi-point Transmission/Reception) mode

Examples

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Embodiment 1

[0022] In this embodiment, when the UE with CoMP capability is in the connected state, if the signal quality of the current serving cell is detected to be low to a certain extent (presettable threshold), a measurement report is sent to the serving cell, and the network is applied for The UE delivers the configuration to enter the CoMP mode to improve the data transmission quality of the UE or increase the throughput. Such as figure 2 As shown, it is a flow chart of enabling the CoMP mode of the UE in Embodiment 1 of the present invention. This embodiment includes the following steps:

[0023] Step S201, when the UE is in the non-CoMP mode, the serving cell configures the first threshold and the corresponding measurement identifier for the UE. In an embodiment of the present invention, for example, the serving cell configures the measurement event Event A2 for the UE, and configures the first threshold value (the threshold value can be based on RSRP or RSRQ) that triggers the...

Embodiment 2

[0029] In this embodiment, the serving cell judges whether to start the CoMP mode for the UE according to the amount of data to be sent to the UE, that is, when the UE with CoMP capability is in the connected state, and the serving cell has a large amount of data to send to the UE , deliver the measurement configuration to the UE and select the CoMP measurement set to enter the CoMP mode to improve the data transmission quality or throughput of the UE. Such as image 3 As shown, it is a flow chart of enabling the CoMP mode of the UE in Embodiment 2 of the present invention, including the following steps:

[0030] Step S301, after judging that the CoMP mode needs to be turned on according to the amount of data to be sent to the UE, the serving cell directly sends a periodic measurement configuration to the UE to obtain measurement values ​​of each cell available at a specified frequency point.

[0031] In step S302, after receiving the periodic measurement configuration, the U...

Embodiment 3

[0034] In this embodiment, when the UE with CoMP capability is in the connected state, and the UE has a large amount of data to send to the serving cell, the UE reports a BSR (Buffer Status Report, Buffer Status Report) to the serving cell or sends a separate The RRC (Radio Resource Control, radio resource control) message requests to enter the CoMP mode to increase the throughput.

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Abstract

The invention provides a control method of a CoMP (Coordinated Multi-point Transmission / Reception) mode, comprising the following steps of: judging whether the CoMP mode is started for user equipment (UE) or not by a service cell; if the service cell judges that the CoMP mode is started fro the UE, issuing measurement configuration information to the UE by the service cell; and receiving measurement report information returned by the UE according to the measurement configuration information and configuring a special CoMP measurement set for the UE according to the measurement report information by the service cell. The control method of the CoMP mode in an LTE-A (Long Term Evolution-Advanced) system can ensure that the on / off of the CoMP mode can be switched according to actual situation,thereby enhancing scheduling flexibility and improving transmission efficiency.

Description

technical field [0001] The present invention relates to the field of communication technologies, and in particular to a control method, system and device for a CoMP (Coordinated Multi-point Transmission / Reception, Coordinated Multi-point Transmission / Reception) mode. Background technique [0002] In an LTE-A (Long Term Evolution Advanced) system, the CoMP transmission and reception technology can be used to increase coverage of high data rates, improve cell edge throughput and / or increase system throughput. The so-called CoMP means that multiple geographically separated transmission points (which can be understood as different cells) cooperate to participate in transmitting / receiving data for a UE. Such as figure 1 As shown, it is a schematic diagram of CoMP transmission of three cells in the prior art, in which three cells can send data to one UE at the same time in the figure. [0003] CoMP technology can be divided into downlink CoMP and uplink CoMP. Downlink CoMP means...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04W48/18H04W88/06H04W88/10
Inventor 彦楠谌丽曾超君
Owner DATANG MOBILE COMM EQUIP CO LTD
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