Wireless communication apparatus for controlling multi-antenna module and related method thereof

摘要

A wireless communication apparatus for coupling to a multi-antenna module comprising a plurality of antennas, the wireless communication apparatus includes: a switching circuit, arranged for selectively changing the connected relations of the plurality of antennas according to a switching signal, so as to make the multi-antenna module generating a plurality of antenna combinations; and a receiving module, coupled to the switching circuit, including: a signal intensity measurement circuit, arranged for measuring signal intensity of a wireless packet received through the plurality of antenna combinations, so as to generate a plurality of measurement results; and an antenna switching determination circuit, during a training state, arranged for choosing a first comparison group comprising at least two antenna combinations from the plurality of antenna combinations for receiving the wireless packet, and determining a better antenna combination according to measurement results of the first comparing group.

主权项

1. A wireless communication apparatus for coupling to a multi-antenna module comprising a plurality of antennas, the wireless communication apparatus comprises:
a switching circuit, arranged for selectively changing connected relations of the plurality of antennas according to a switching signal, so as to make the multi-antenna module to provide a plurality of antenna combinations; and a receiving module, coupled to the switching circuit, comprising:
a signal intensity measurement circuit, arranged for measuring signal intensity of a wireless packet received through the plurality of antenna combinations, so as to generate a plurality of measurement results; andan antenna switching determination circuit, arranged for selecting a first comparison group comprising at least two antenna combinations from the plurality of antenna combinations during a training state, for receiving the wireless packet, and determining a better antenna combination according to measurement results of the first comparing group;wherein the receiving module records a source address of the wireless packet; the wireless communication apparatus determines a best antenna combination with respect to the source address of the wireless packet, and the receiving module enters the training state or a decision state according to a training enable signal, and the receiving module stores a training address, and during the training state, the antenna switching determination circuit selects a second comparison group when the source address of the wireless packet conform to the training address, so that the receiving module receives the wireless packet by using another two antenna combinations.