High-throughput differentiated service provision router architecture for wireless network-on-chip
by Chifeng Wang; Nader Bagherzadeh
International Journal of High Performance Systems Architecture (IJHPSA), Vol. 4, No. 1, 2012

Abstract: This paper proposes a QoS-aware wireless network-on-chip architecture that not only enables quality-oriented network transmission with a feasible implementation overhead but also maintains well-balanced workload inside the hybrid networks to enhance system throughput. Transmission differentiation allows guaranteed service provision and realises network resource optimisation. The advanced routers employ congestion management which first grants high priority packets from more congested areas and then directs them to paths without contention. Adaptive load-balanced routing effectively relaxes congestion situations and prevents networks from worse contention. Simulation results show that average latency of high priority is significantly improved. Flexible buffer management further improves transmission performance and resource utilisation efficiency. The generality for the proposed router architecture has been demonstrated from various traffic patterns. Feasibility evaluation shows negligible cost overhead and demonstrates its practicality.

Online publication date: Tue, 02-Sep-2014

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