High power short message service using broadcast control channel

Details High power short message service using broadcast control channel High power short message service using broadcast control channel

1995-12-27

1998-10-13

Marcelo, Melvin

Multiplex communications

Communication over free space

Repeater

370318, 455 10, 455 134, H04B 7204

Patent

active

058223100

ABSTRACT:
A method and system for increasing the signal margin of a radiocommunication link to provide a short message service which is reliable, even under non-ideal conditions. According to the method, short alphanumeric messages can be transmitted over the broadcast control channel of a digital radiocommunication link, or another communication channel consisting of one or more slots from successive frames in a TDMA communication link. An increase in transmission power is used in combination with repetition to increase effective signal margin without complications in the mobile unit design, significant delay, or co-channel interference. Where a more significant increase in signal margin is desired, when a longer message is required, or for voice messages, the message may be stored and the mobile unit alerted of the message.

REFERENCES:
patent: 4301533 (1981-11-01), Acampora et al.
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patent: 4905235 (1990-02-01), Saburi
patent: 5487185 (1996-01-01), Halonen
patent: 5563606 (1996-10-01), Wang
E. Del Re et al., "The GSM Procedures in an Integrated Cellular/Satellite System", IEEE Journal on Selected Areas In Communication, vol. 13, Issue 2, pp. 421-430, Feb. 1995.
M. Luglio, "Fade Countermeasures in Ka Band: Application of Frequency Diversity to a Satellite System", Tenth International Conference on Digital Satellite Communications (Conf. Publ. No. 403), pp. 143-151, vol. 1, May 1995.
Siegmund M. Redl et al., "An Introduction To GSM," Artech House, Inc., pp. 86-99, 1995.

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