Wireless communication system having antenna diversity

Details Wireless communication system having antenna diversity Wireless communication system having antenna diversity

1994-04-14

1996-02-13

Chin, Stephen

Pulse or digital communications

Systems using alternating or pulsating current

Plural channels for transmission of a single pulse train

375299, 375347, 455 333, 455 523, 455 69, 455 82, 455101, 343876, 370 32, 370 38, H04B 702, H04L 102

Patent

active

054917239

ABSTRACT:
A wireless communication system includes a plurality of stations each having a plurality of antennas. A first packet, containing a training signal portion is transmitted from a transmitting station using a first selected antenna and received at a receiving station using a second selected antenna which is selected as the antenna giving the best received signal quality, determined during the training signal period. Following transmission of the first packet, a control signal (ACKCNTL) is generated in both the transmitting station and the receiving station to condition these stations for the transmission from the receiving station of a response packet via the same antenna pair used for the information packet transmission. Thus, the response packet need have only a relatively short training signal portion.

REFERENCES:
patent: 4513412 (1985-04-01), Cox
patent: 4566133 (1986-01-01), Rambo
patent: 4710944 (1987-02-01), Nossen
patent: 4977616 (1990-12-01), Linder et al.
patent: 5065449 (1991-11-01), Gordon et al.
patent: 5131006 (1992-07-01), Kamerman et al.

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