Excavating
Patent
1994-04-14
1996-10-01
Baker, Stephen M.
Excavating
4552772, H04B 708, H04L 106, H04L 120
Patent
active
055616739
ABSTRACT:
An antenna switched diversity receiver comprising a plurality of physically separated antennas, a switching unit for selectively switching to one of the plurality of antennas to receive a burst in a time series, a decoding unit for decoding transmission data contained in the received burst in a reversed manner to coding, a bit-error-detecting unit for detecting a bit error in decoded data in each received burst, and a control unit for controlling the switching unit in accordance with the bit-error detection result. The receiver may additionally include a RSSI (received signal strength indicator) checking unit for checking a RSSI of a switched antenna and a RSSI holding unit for holding a RSSI. The receiver constructed as above controls switching based on detection of at least one bit error in each of m consecutive bursts burst alone or together with the RSSI. As a result, the receiver obtains excellent diversity effect while being compact and economical.
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Takai Hitoshi
Urabe Yoshio
Yamasaki Hidetoshi
Baker Stephen M.
Matsushita Electric - Industrial Co., Ltd.
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