System and method for selecting wireless signal bandwidth based on signal strength measurements provided by wireless receivers
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United States of America Patent
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Oct 15, 2013
Grant Date -
Mar 4, 2010
app pub date -
Nov 12, 2009
filing date -
Oct 5, 2004
priority date (Note) -
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Abstract
A method and system are provided which combine (i) adaptive multi-rate half-rate transmission and (ii) intelligent frequency hopping wherein frequency hopping and intelligent underlay overlay are used simultaneously. In the latter, frequency hopping is controlled on a frequency group by frequency group basis, and one frequency hopping group is made up of one or more regular transmitters of a cell and another frequency hopping group is made up of one or more super reuse (super layer) transmitters of the cell. A wireless terminal (e.g., handset) is used in determining the carrier to interference (C/I) ratio for a received signal. A determination is then made as to whether the C/I ratio is acceptable for super layer transmission, and, if the ratio is acceptable, a super reuse transmitter operating in the superlayer range at the half-rate transmission rate is used to transmit a call to the terminal.
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