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Beam former and wireless communication method thereof

A beamformer and beamforming technology, applied in diversity/multi-antenna systems, space transmit diversity, etc., can solve the problems of equipment cost increase, performance decrease, system load, etc., and achieve the goal of solving cost increase and improving wireless communication quality Effect

Active Publication Date: 2015-07-01
REALTEK SEMICON CORP
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Problems solved by technology

[0005] However, if multiple stations (Station, STA) with beamforming function are connected to the same beamformer (for example: access point (Access Point)) for wireless transmission at the same time, the beamformer For each station to enjoy the benefits of beamforming, it is necessary to store its own channel state information report (Channel Station Information report, CSI report) for all connected stations. In this way, in addition to the beamformer, the support must be greatly increased Beamforming hardware, in addition to increasing the cost of equipment, will also increase the load on the entire system, resulting in reduced performance

Method used

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  • Beam former and wireless communication method thereof
  • Beam former and wireless communication method thereof
  • Beam former and wireless communication method thereof

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Embodiment Construction

[0016] Certain terms are used in the specification and following claims to refer to particular components. Those of ordinary skill in the art should understand that hardware manufacturers may use different terms to refer to the same component. This description and the following claims do not use the difference in name as a way to distinguish components, but use the difference in function of components as a criterion for distinguishing. The "comprising" mentioned throughout the specification and the subsequent claims is an open term, so it should be interpreted as "including but not limited to". In addition, the term "coupled" herein includes any direct and indirect means of electrical connection. Therefore, if it is described that a first device is coupled to a second device, it means that the first device may be directly electrically connected to the second device, or indirectly electrically connected to the second device through other devices or connection means.

[0017] ...

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Abstract

The invention discloses a beam former and a wireless communication method thereof. The wireless communication method comprises receiving a plurality of reference messages from and corresponding to a plurality of stations respectively; calculating an evaluation value according to at least one of the reference messages in the plurality of reference messages, wherein the at least one of the reference messages is corresponding to the corresponding station in the plurality of stations; performing comparison on the evaluation values corresponding to the plurality of stations respectively to select a specific station from the plurality of stations, wherein the beam forming operation needs to be performed on the specific station.

Description

technical field [0001] The present invention relates to wireless communication technology, in particular, to a wireless communication method and a beamformer (Beamformer) for screening stations to perform beamforming operations. Background technique [0002] With the popularity of wireless transmission applications, such as using Wireless Fidelity (Wireless Fidelity, WiFi) to stream high-definition movies and TV programs to laptops, or playing online games on handheld devices (such as tablet computers and smart phones) , browsing social media and watching videos, etc., the average home user often uses multiple WiFi devices to download network content at the same time, so how to increase the speed of wireless transmission is an important issue. Currently, many wireless devices operate on the 2.4GHz frequency band, such as Bluetooth (BT), Cordless Phone and other 802.11b / g / n devices, resulting in serious signal interference. [0003] Beamforming (Beamforming) is a technology ...

Claims

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Application Information

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IPC IPC(8): H04B7/06
Inventor 辛建威张仲尧
Owner REALTEK SEMICON CORP
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