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Novel Optimized Cross-Layer Design with Maximum Weighted Capacity Based Resource Allocation for AMC/HARQ Wireless Networks
Electronic and Communication Department, Ain Shams University, Cairo, Egypt
National Telecommunication Institute, Cairo, Egypt
Electronic and Communication Department, Ain Shams University, Cairo, Egypt
- 1 Electronic and Communication Department, Ain Shams University, Cairo, Egypt
- 2 National Telecommunication Institute, Cairo, Egypt
- 3 Electronic and Communication Department, Ain Shams University, Cairo, Egypt
Wireless Engineering and Technology·Volume 04 (2013)·Pages 77–86·Published 16 April 2013·DOI10.4236/wet.2013.42012
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Abstract
To provide quality-of service (QoS) guarantees for heterogeneous applications, most recent wireless communications technologies and standards combine the error-correcting capability of hybrid automatic repeat request (HARQ) schemes at the data link layer (DLL) with the adaptation ability of the adaptive modulation and coding (AMC) modes at the physical layer (PHY) layer. This paper aims to investigate the aggregated system capacity as well as the breakdown of this capacity for different ACM modes in each HARQ scheme. This investigation was done by using maximum weighted capacity (MWC) resource allocation at the PHY layer in conjunction with a novel packet error rate (PER)- based scheduling at the medium access control (MAC) layer. As a result, the dominant AMC mode corresponding to channel SNR was available .
KeywordsAMCCross-Layer DesignHARQNakagami-m Fading ChannelQoS
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