Method of transmitting data information in a mobile, cellular ra

Details Method of transmitting data information in a mobile, cellular ra Method of transmitting data information in a mobile, cellular ra

1989-02-17

1990-11-20

Orsino, Joseph A.

Telecommunications

Transmitter and receiver at separate stations

370 84, 370 951, 370 953, 370 79, 455 54, 379 59, 379 60, 379 63, 375 34, 375 58, H04Q 700, H04B 100, H04J 322, H04M 1100

Patent

active

049725068

ABSTRACT:
Method of transmitting data information in a mobile, cellular, radio communication system operating according to the TDMA principle. Within certain large cells (C2) in the system the number of calls in progress is less than the number of slots (CH1, CH2 . . . ) in each frame, where these slots have been allotted to the mobiles (M1) within the cell. The unoccupied slots thus occuring are utilised in accordance with the method such that the bit frequency (f) of the data information is reduced to a new value (f.sub.r) in response to the number of unoccupied time slots. The transmission range between mobile and base station is thus increased.

REFERENCES:
patent: 4785450 (1988-11-01), Bolgiano et al.
patent: 4866710 (1989-09-01), Schaeffer
"Digitales Mobilfunksystem for Jedermann", Funkschau, pp. 47-50, 1/1985.

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