Telecommunications – Receiver or analog modulated signal frequency converter – With wave collector
Patent
1995-11-29
2000-01-25
Eisenzopf, Reinhard J.
Telecommunications
Receiver or analog modulated signal frequency converter
With wave collector
455 63, 4552772, 375347, H04B 708
Patent
active
060186518
ABSTRACT:
A radio subscriber unit (102) comprises a controller (108) and a switched antenna diversity receiver apparatus (106) including a first antenna (114), a second antenna (116) and a receiver (126). The first antenna (114) is adapted to receive a first representation (158) of a radio frequency (RF) signal (156). The second antenna (116) is adapted to receive a second representation (160) of the RF signal (156). The receiver (126), selectively coupled to the first antenna (114) and the second antenna (116), generates a received signal (153) responsive to receiving at least one of the first representation (158) of the RF signal (156) from the first antenna (114) and the second representation (160) of the RF signal (156) from the second antenna (116). The controller (108), coupled to the receiver (126), selectively couples to the receiver (126), responsive to the received signal (153), one of: only the first antenna (114), only the second antenna (116) and both the first antenna (114) and the second antenna (116).
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TR 45, Mobil Station--Base Station Compatibility, Standard for Dual-Mode Wideband, Spread Spectrum Cellular System, PN-3118, Feb. 11, 1993, pp. i-xxxiv.
Performance of a Two-Branch Radiotelephone Selection Diversity Receiver by Bruce C. Eastmond and James a. Pautler, Motorola, Inc. Chicago Corp. R & D Center, pp. 164-171.
On The Opptimization Of Simple Switch Diversity Receivers by Mario A. Blanco of the IL Inst. of Tech., and Kenneth Zdunck of Motorola Communication Division, Schaumberg, IL.
Bruckert Eugene J.
Rich Randall Wayne
Vilmur Richard Joseph
Eisenzopf Reinhard J.
Kaschke Kevin D.
Kincaid Lester G.
Motorola Inc.
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