Media access controller

Details Media access controller Media access controller

2004-06-04

2009-10-06

Rao, Seema S (Department: 2416)

Multiplex communications

Diagnostic testing

Determination of communication parameters

Reexamination Certificate

active

07599306

ABSTRACT:
The present invention relates to a media access controller, and more particularly, to a media access controller which can adjust operational parameters according to a setting environment of a packet transmission system by re-setting the operational parameters of the media access controller by an external source. A media access controller (MAC) according to an aspect of the present invention comprises: a carrier analyzer, which generates a timeslot using a carrier sense signal input from a modem of a station and outputs a type and a timeslot of a received frame; a collision resolution handler, which grants medium access by monitoring for collisions between stations and between itself and another station using a collision resolution algorithm; a random number generator, which generates a random number (RndNum) based on a MAC address value when a collision between itself and another station occurs; a transmission on generator, which receives a transmission ready (TxReady) signal and a timeslot to be transmitted from a frame controller of the system and generates a data transmission on (TxDataOn) signal and a transmission frame type (TxSigType) signal; and a parameter setting unit, which adjusts operational parameters of the MAC to be suitable for a setting environment of the station.

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“Design and Analysis of a Distribution MAC Protocol for a Real Time Integrated Service of an IEEE 802.11-Based Ad Hoc Wireless LAN” by Kim, Won-Soo, et al.;Korean Institute of Communication and Sciences, 2003; vol. 28, No. 11B, pp. 985-998.

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