Power detection in a spread spectrum system
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United States of America Patent
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Mar 19, 2013
Grant Date -
May 31, 2012
app pub date -
Feb 6, 2012
filing date -
Mar 18, 2008
priority date (Note) -
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status (Latency Note)
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Abstract
This disclosure relates to method, device and system for selecting a device for communication in a communication system. A node receives a spread signal from a first transmitter and a second transmitter. The node despreads the spread signal with a first spreading code into a first frame and determines a first receive signal strength indicator (RSSI) from the first frame. The node despreads the spread signal with a second spreading code into a second frame and determines a second RSSI from the second frame. The node selects an access point based in part on the first RSSI and the second RSSI. The node transmits an uplink signal to the access point based on a slot start time and a random timing offset. The node transmits while a portion of a second signal is transmitted from a second node such that both the uplink signal and the second signal are received.
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