Multiplex communications – Communication over free space – Having a plurality of contiguous regions served by...
Reexamination Certificate
2005-07-20
2008-12-02
Moore, Jr., Michael J (Department: 2419)
Multiplex communications
Communication over free space
Having a plurality of contiguous regions served by...
C370S332000
Reexamination Certificate
active
07460512
ABSTRACT:
An apparatus for inclusion and a method for operation in a station (STA) of a wireless network. The method includes received data from at least one remote station and determining a measure of the signal quality, e.g., a measure of the EVM from samples of the data received from the remote station(s). If the remote station(s) is/are access point(s), the station selects an access point for association according to criteria that include the measure of the EVM from the remote station. If the received data includes a request management message, the station responds to the request management message with a response management message that include a measure of the EVM of the received data corresponding to the request management message. Thus, the remote station receiving the response management message receives an indication of the quality of the link between the station and the remote station without the receiving remote station necessarily being EVM-capable.
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Yutaka Hayakawa, “Wireless LAN Measurement System and Dedicated Software”, Yokogawa-Giho, Yokohawa Electric Corporation, vol. 46 No. 2, pp. 5 1-54,Apr. 22, 2002 (Provided in Japanese and English).
de Souza Ludovico N.
Goodall David S.
Myles Andrew F.
Ryan Philip J.
Cisco Technology Inc.
Inventek
Moore, Jr. Michael J
Rosenfeld Dov
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