Multiplex communications – Diagnostic testing – Determination of communication parameters
Patent
1994-07-25
1997-02-18
Chin, Wellington
Multiplex communications
Diagnostic testing
Determination of communication parameters
455 69, 370335, H04J 314
Patent
active
056047304
ABSTRACT:
The power control process of the present invention enables a base station communicating over a forward packet channel to a mobile radio to control the power of the mobile radio transmitting over a reverse packet channel to the base station. The base station maintains a maximum energy per bit to total interference spectral density ratio threshold for the reverse channel as well as a desired threshold that results in a low frame error rate. By comparing each radiotelephone's estimated energy per bit to total interference spectral density ratio to the desired and maximum thresholds, power control commands to increase or decrease the radiotelephone's transmit power are generated depending on the outcome of the comparison.
REFERENCES:
patent: 4998245 (1991-03-01), Tanaka et al.
patent: 5056109 (1991-10-01), Gilhousen et al.
patent: 5216692 (1993-06-01), Ling
patent: 5333175 (1994-07-01), Ariyavisitakul et al.
"Admission Control Schemes for Wireless Communication Networks with Adjustable Transmitter Powers", IEEE Infocom '94, Shou C. Chen et al., Jun. 12, 1994, pp. 21-28.
Chin Wellington
Martin Roger W.
Miller Russell B.
Qualcomm Incorporated
Vu Huy D.
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