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Method for processing transfer mode switching, device and base station thereof

A transmission mode and mode technology, applied in the field of communication, can solve the problems of inability to pass, improve the throughput of the communication system, and cannot improve the throughput of the communication system, and achieve the effect of improving performance and avoiding the impact of communication performance.

Active Publication Date: 2010-02-03
HUAWEI TECH CO LTD
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Problems solved by technology

Therefore, when the channel quality is poor, if the UE is in mode 3 or mode 4, not only cannot improve the throughput of the communication system, but also needs unnecessary burden to feed back the overhead occupied by channel information RI and downlink signaling indication; When the quality is good, if the UE is in mode 2 and mode 6, the communication performance of the communication system will not be improved by reducing the bit error rate, and the throughput of the communication system cannot be improved by mode 3 or mode 4

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  • Method for processing transfer mode switching, device and base station thereof
  • Method for processing transfer mode switching, device and base station thereof
  • Method for processing transfer mode switching, device and base station thereof

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Embodiment Construction

[0027] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

[0028] Due to the time-varying nature of the wireless channel, the channel conditions applicable to different transmission modes are also different. In order to ensure the advantages of various transmission modes in improving the performance of the communication system, it is necessary to dynamically configure and adjust the transmission mode of the UE according to the communication channel information.

[0029] figure 1 It is a flowchart of an embodiment of a...

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Abstract

The invention discloses a method for processing transfer mode switching, a device and a base station thereof. The method comprises the following methods: receiving channel information fed back from user equipment, and acquiring speed information of the user equipment; judging whether the user equipment meets a transfer mode switching condition according to the current transfer mode and the channel information of the user equipment, if yes, switching the user equipment from the current transfer mode to a target transfer mode according to the speed information of the user equipment. In the embodiment of the invention, the transfer mode can be dynamically configured according to the channel information fed back from the user equipment so as to effectively ensure the performance of a communication system under various channel conditions.

Description

technical field [0001] The present invention relates to communication technology, in particular to a transmission mode switching processing method and device, and a base station. Background technique [0002] According to the long term evolution (Long Term Evolve, hereinafter referred to as: LTE) protocol, user equipment (User Equipment, hereinafter referred to as: UE) can adopt mode 1 to mode 7 on the Physical Downlink Shared Channel (Physical Downlink Shared Channel, hereinafter referred to as: PDSCH) A total of seven transmission modes for data transmission. Among them, mode 1 uses a single antenna port 0 (single antenna port, hereinafter referred to as: port 0) transmission scheme, mode 2 uses a transmit diversity (transmit diversity) transmission scheme, and mode 3 uses open-loop spatial multiplexing or large delay cyclic delay diversity ( large delay cyclicdelay diversity) transmission scheme, mode 4 mainly uses a closed-loop spatial multiplexing (closed-loop spatial ...

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04B7/04H04B7/06
Inventor 钱颖张超
Owner HUAWEI TECH CO LTD
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