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A Wireless Downlink Packet Scheduling Algorithm for Multimedia Traffic  

김동회 (한국전자통신연구원 이동통신연구소)
류병한 (한국전자통신연구원 이동통신연구소)
Publication Information
Journal of the Institute of Electronics Engineers of Korea TC / v.39, no.12, 2002 , pp. 539-546 More about this Journal
Abstract
In this paper, we consider a wireless multimedia environment to service both real-time video traffic and non-real-time WWW-application traffic In our suggested new packet scheduling algorithm, we consider both the accumulation counter and SIR to reduce delay in real-time traffic. In addition, our packet scheduling algorithm gives priority first to real-time video traffic service and then to non-real-time internet Packet service when real-time traffic service is absent. From the simulation results, we find that the AC (Accumulation Counter) scheme has much smaller delay than the conversional M-LWDF scheme for real-time video data users, which has a special quality sensitive to its own delay. We also consider the transmission structure of using both the frame period in the time-axis and the OVSF codes in the code-axis at the same time, which is similar to the structure of HSDPA system.
Keywords
Packet scheduling algorithm; Multimedia traffic; Buffering window; Accumulation counter; Signal to Interference Ratio;
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