Antenna selection diversity scheme for zigbee or other wireless devices and related apparatus and method
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United States of America Patent
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Oct 20, 2015
Grant Date -
Apr 18, 2013
app pub date -
Oct 12, 2011
filing date -
Oct 12, 2011
priority date (Note) -
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Abstract
A method includes identifying, at a wireless device, transmit and receive link costs respectively associated with transmitting data to and receiving data from one or more neighboring nodes of the wireless device. The method also includes selecting at least one of multiple antennas to be used to further communicate with the neighboring node(s). The at least one antenna is selected using the link costs. At least some of the link costs are identified using link status messages received from the neighboring node(s). For each neighboring node, one antenna can be selected as a unicast antenna for unicast communications with that neighboring node. Also, one antenna can be selected as a broadcast/multicast antenna for broadcast or multicast communications with multiple neighboring nodes. An identity of the at least one antenna selected to communicate with the neighboring node(s) may not be communicated from the wireless device.
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