ATM telecommunication method whereby the terminals transmit...

Details ATM telecommunication method whereby the terminals transmit... ATM telecommunication method whereby the terminals transmit...

2006-01-31

2006-01-31

Hsu, Alpus H. (Department: 2665)

Multiplex communications

Generalized orthogonal or special mathematical techniques

C370S318000, C370S320000, C370S335000, C370S342000, C370S395100, C375S131000

Reexamination Certificate

active

06992971

ABSTRACT:
The invention relates to an asynchronous transfer mode method of transmitting digital signals in which terminals (16, 18) send to the same station (20). Calls are transmitted by cells (40, 42, 44, 46), the terminals send successively in separate periods (60, 62, 64, 66; 70, 72, 74), and each cell is assigned at least two orthogonal codes (C1, C2, C3, C4). In accordance with the invention, the duration of the period during which each terminal sends and/or the number of codes assigned to each terminal and/or the number of symbols assigned to a particular code in a terminal can be selected on each sending as a function of a particular power level (80).

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S. Fisher et al, MAC Protocol for a CDMA Based Wireless ATM LAN, ICC 97, vol. 3, Jun. 1997, pp. 1202-1206 XP000748837.

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