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1. (WO1998049791) SECONDARY CHANNEL FOR RADIO FREQUENCY COMMUNICATIONS

Pub. No.:    WO/1998/049791    International Application No.:    PCT/US1998/006110
Publication Date: Fri Nov 06 00:59:59 CET 1998 International Filing Date: Sat Mar 28 00:59:59 CET 1998
IPC: H04B 7/26
Applicants: ADVANCED MICRO DEVICES, INC.
Inventors: MAGANA, Javier, V.
Title: SECONDARY CHANNEL FOR RADIO FREQUENCY COMMUNICATIONS
Abstract:
A system for radio frequency communications between a first unit and a second unit. The communications are conducted over a first frequency and a second frequency. The first unit and the second unit each transmit and receive communications, including first, second, third and fourth information, in bursts over select time intervals, including a first time interval and a second time interval. The system includes communication between a plurality of wireless handset units and a base unit utilizing an FDD/TDD format.