Method, system and device for switching antenna modes

An antenna mode and switching system technology, applied in diversity/multi-antenna systems, wireless communication, space transmit diversity, etc., can solve the problem of low switching efficiency and achieve the effect of improving switching efficiency

Active Publication Date: 2011-03-23
XIAOMI INC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0005] The existing technology has been able to support the antenna mode switching scheme in the downlink SU-MIMO, but it has not fully utilized the uplink and downlink intero

Method used

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  • Method, system and device for switching antenna modes
  • Method, system and device for switching antenna modes
  • Method, system and device for switching antenna modes

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Embodiment Construction

[0056]The main ideas of the embodiments of the present invention include: when the base station acquires the first antenna mode of the first link with the terminal and determines that the first antenna mode has changed, triggering the second antenna mode of the second link with the terminal Select and switch to the first antenna mode; when the base station acquires the selected second antenna mode and determines that the second antenna mode changes, switch to the second antenna mode.

[0057] The technical solutions in the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the present invention. Apparently, the described embodiments are part of the embodiments of the present invention, not all of them. 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.

[00...

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Abstract

The embodiment of the invention discloses a method, a system and a device for switching antenna modes. The invention is characterized in that: the method comprises that: a base station acquires a first antenna mode of a first link between the base station and a terminal; when the base station determines that the first antenna mode is changed, the base station triggers the selection of a second antenna mode of a second link between the base station and the terminal and switches the second antenna mode to the first antenna mode, wherein the first link and the second link are respectively an uplink and a downlink or a downlink and an upper link; the base station acquires the selected second antenna mode; and when the base station determines that the second antenna mode is changed, the base station switches the first antenna mode to the second antenna mode. The embodiment of the invention realizes combined switching of the uplink and the downlink, so that the system improves the switchingefficiency by fully utilizing interoperability of the uplink and the downlink under the real-time channel condition.

Description

technical field [0001] The present invention relates to the technical field of wireless communication, in particular to a method, system and device for switching antenna modes. Background technique [0002] In many communication systems in the future, such as HSPA+ (High Speed ​​Packet Access Plus, High Speed ​​Packet Access Evolution), LTE (Long Term Evolution, Long Term Evolution), etc., MIMO (Multiple Input Multiple Output, Multiple Input Multiple Output) technology will be introduced , to further improve the data transmission rate and transmission quality of the system. SM (Spatial Multiplexing, spatial multiplexing) and TD (Transmit Diversity, transmit diversity) in the open-loop MIMO technology, as well as smart antennas have also been widely used in communication systems. Spatial multiplexing technology refers to the transmission of mutually independent signals at the transmitting end, and the receiving end adopts an interference suppression method for decoding; tran...

Claims

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Application Information

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IPC IPC(8): H04W36/30H04W88/06H04W88/08H04B7/06
Inventor 杨宇
Owner XIAOMI INC
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