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Switch beam--self-adaptive secondary baseband receiving method and system of intelligent antenna

A technology of smart antenna and receiving method, applied in diversity/multi-antenna system, antenna, antenna array, etc., can solve the problems of high implementation cost and low signal processing gain, and achieve the effect of controlling cost and improving signal processing gain

Inactive Publication Date: 2003-12-31
HUAWEI TECH CO LTD
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  • Abstract
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Problems solved by technology

The switching beam smart antenna system has low implementation cost, but the corresponding signal processing gain is also low; the adaptive smart antenna system has high signal processing gain, but the implementation cost is also high

Method used

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  • Switch beam--self-adaptive secondary baseband receiving method and system of intelligent antenna
  • Switch beam--self-adaptive secondary baseband receiving method and system of intelligent antenna
  • Switch beam--self-adaptive secondary baseband receiving method and system of intelligent antenna

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Embodiment Construction

[0062] The present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments.

[0063] This embodiment describes the application of the present invention in conjunction with the WCDMA system.

[0064] A switch beam-adaptive secondary baseband receiving method of a smart antenna, the method comprises the following steps,

[0065] a: The smart antenna system receives wireless signals and converts radio frequency signals into baseband signals to be processed; including

[0066] a1: Receive wireless signals through the elements of the antenna array and their corresponding antenna feed systems, and output radio frequency signals;

[0067] a2: Use each corresponding radio frequency channel to process the obtained radio frequency signal, including power amplification, channel correction, demodulation and matched filtering, and output the baseband signal to be processed.

[0068] b: The output signal of step a is received and p...

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Abstract

The invention provides switch beam - self adapting two stage base band process and system for intelligent antenna. The switch beam type intelligent antenna can realize a low cost, but the corresponding signal treatment gain is low. The self adapting type intelligent antenna can realize a high signal treatment gain, but the realization cost is rather high. By integrating the two types of intelligent antenna system together, the optimum system performance and lowest cost are realized, it is achieved that without much increase on system cost, the signal treatment gain of the switch beam type intelligent antenna system is increased.

Description

technical field [0001] The invention relates to a wireless communication system, in particular to a switching beam-adaptive secondary baseband receiving method and system of a smart antenna. Background technique [0002] The signal between the user equipment and the base station in the wireless communication system is propagated through the wireless channel. Compared with the wired channel, the nature of the wireless channel is relatively bad, and there are many interferences such as fading and multipath, so the wireless signal receiving and processing method of the wireless communication system has always been a decisive factor that directly affects the system performance. [0003] As a wireless communication system, the CDMA (Code Division Multiple Access, Code Division Multiple Access) system has the above characteristics of the wireless communication system. Moreover, since it has the characteristics of multiple users transmitting signals at ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01Q21/00H04B7/02H04B7/26H04J13/00
Inventor 吴涛
Owner HUAWEI TECH CO LTD
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