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Performance simulation of wireless multimedia systems using NC-PRMA/DA and SNC-PRMA/DA protocols

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3 Author(s)
Jyh-Horng Wen ; Inst. of Electr. Eng., Nat. Chung Cheng Univ., Ming-Hsiung, Taiwan ; Jenn-Kaie Lain ; Yu-Wen Lai

A noncollision packet reservation multiple access with dynamic allocation (NC-PRMA/DA) scheme is proposed and investigated as a suitable candidate protocol for wireless multimedia communications. Access requests of the existing users in NC-PRMA/DA are conveyed to the base station in a noncollision manner by using a time-frequency signaling scheme. In addition, the scheduling NC-PRMA/DA (SNC-PRMA/DA) scheme, which is NC-PRMA/DA with packet scheduling, is also presented. Mixed voice, variable-rate video, and data traffic is used to demonstrate the efficiency of the proposed schemes for a single-cell environment. Simulation results show that our proposed NC-PRMA/DA and SNC-PRMA/DA protocols outperform the existing PRMA/DA protocol.

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Systems, Man and Cybernetics, Part A: Systems and Humans, IEEE Transactions on  (Volume:32 ,  Issue: 6 )