Radio network initialization method and apparatus

Details Radio network initialization method and apparatus Radio network initialization method and apparatus

1998-03-10

2000-05-30

Chin, Stephen

Pulse or digital communications

Spread spectrum

375140, 375146, 379910, A61F 206

Patent

active

060699116

ABSTRACT:
A packet data transmission system is disclosed in which remote units, such as remote hand-held data gathering units, which normally communicate with remote base stations via a spread spectrum RF communications, are initialized via spread spectrum RF communications. A network chipping sequence is provided for encoding normal communications and an universal chipping sequence is provided for encoding communications relating to initialization of the remote units. The network chipping sequence is adjustable and must be initialized in each of the remote units to enable normal communications. The universal chipping code is fixed for all remote devices and base stations. Since the universal chipping code is fixed, spread spectrum RF communications of the initialization data, using the universal chipping code, can be effected even if the network chipping sequence is not initially set in the remote units. The initialization data communicated to the remote includes the network chipping code which is then stored in the remote units and used for subsequent normal communications.

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Digital Communications and Spread Spectrum Systems by Rodger E. Ziemer Copyright 1985 Macmillan Publishing Company, pp. 366-385.

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