Telecommunications – Transmitter and receiver at separate stations – With control signal
Patent
1984-06-06
1987-09-01
Safourek, Benedict V.
Telecommunications
Transmitter and receiver at separate stations
With control signal
375 43, 375 61, 375 77, 375 97, 455 47, 455257, H04B 176
Patent
active
046913750
ABSTRACT:
A communication system which uses a transmitter and a receiver. The transmitter divides a band of interest in the frequency spectrum into upper and lower portions, and frequency translates one of these portions in order to provide a frequency notch between the portions. The receiver of the system includes a receiver processor which receives the upper and lower portions, and which restores the original frequency spectrum. The receiver processor at least partially determines the final position of the restored portion.
REFERENCES:
patent: 3571717 (1971-03-01), Monrolin
patent: 3684838 (1972-08-01), Kahn
patent: 3969675 (1976-07-01), Gosling
patent: 4539707 (1985-09-01), Jacobs et al.
J. P. McGeehan et al., The Use of "Transparent" tone-In-Band (TTIB) and Feedforward Signal Regeneration (FFSR) in Single Sideband Mobile Communication Systems, IEE Conference on Communications Equipment Systems, 20-22, Apr. 1982, pp. 121-126.
A. J. Bateman et al., The Use of Transparent Tone-In-Band (TTIB) for Coherent Data Schemes with Particular Reference to Single Sideband Modulations, IEEE International Conference on Communications, Jun. 19th and 22nd, 1983, pp. 245 to 249.
J. P. McGeehan et al., Phase Locked Transparent Tone-In-Band (TTIB): A New Spectrum Configuration Particularly Suited to the Transmission of Data Over SSB Mobile Radio Networks, IEEE Transactions on Communications, vol. Com-32, No. 1, Jan. 1984, pp. 81 to 87.
J. P. McGeehan et al., Pilot Tone Single Sideband for Mobile Satellite Communications, IEE Conference Publication No. 222, pp. 153 to 157, 7th to 9th of Jun. 1983.
J. P. McGeehan et al., Speech Communication Over a 942 MHz Tone-Above-Band Single Sideband Mobile Radio Channel (6.25 kHz) Incorporating Feedforward Signal Regeneration, The Institute of Electrical and Electronics, Inc., May 1983, pp. 369 to 373.
Bateman Andrew
McGeehan Joseph P.
National Research Development Corporation
Safourek Benedict V.
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