Method and system for providing uplink/downlink collision avoida

Multiplex communications – Wide area network – Packet switching

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H04J 316

Patent

active

055175040

ABSTRACT:
Collision avoidance is maximized by placing collision avoidance scheduling in a central access manager. The central access manager coordinates downlink transmissions of a base site with the uplink transmissions by subscriber units, virtually avoiding collisions of the two types of transmissions. The subscriber units utilize a waiting period prior to transmission of packets to permit the central access manager to maintain the scheduling.

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D. J. Goodman, R. A. Valenzuela, K. T. Gayliard, & B. Ramamurthi, "Packet Reservation Multiple Access for Local Wireless Communications", IEEE Transactions on Communications, vol. 37, No. 8, Aug. 1989, pp. 885-890.

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