Multiplex communications – Communication over free space – Having a plurality of contiguous regions served by...
Reexamination Certificate
2005-09-30
2011-12-27
Mattis, Jason (Department: 2461)
Multiplex communications
Communication over free space
Having a plurality of contiguous regions served by...
C370S230000, C370S253000
Reexamination Certificate
active
08085733
ABSTRACT:
A method and apparatus for use by a first transceiver, (e.g., wireless transmit/receive unit (WTRU), access point (AP), node) for adjusting the transmission rate of packets transmitted to a second transceiver based on signals the first transceiver receives from the second transceiver. In one embodiment, a transmission packet error rate (Tx PER) process is used to adjust the packet transmission rate. In another embodiment, a relative signal strength indicator (RSSI)-based process is used to determine the RSSI of packets received at the first transceiver from the second transceiver for adjusting the packet transmission rate. In another embodiment, transmission quality indicators are measured at the second transceiver and are sent to the first transceiver, which derives a new packet transmission rate therefrom. The Tx PER and RSSI-based processes may be used individually, in combination, or in conjunction with other processes.
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Goldsmith et al., “Design Challenges for Energy-constrained Ad Hoc Wireless Networks?” IEEE Wireless Communications, vol. 9, issue 4, pp. 8-27 (Aug. 2002).
Goldsmith et al., “Design Challenges for Energy-constrained Ad Hoc Wireless Networks?” IEEE Wireless Communications, vol. 9, issue 4, pp. 8-27 (Aug. 2002).
Cave Christopher
Roy Vincent
InterDigital Technology Corporation
Mattis Jason
Volpe and Koenig P.C.
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