Adaptive low-bitrate streaming over IEEE 802.15.4 low rate wireless personal area networks (LR-WPAN) based on link quality indication

Authors:
Sachin Deshpande
Affiliations:
Sharp Laboratories of America, Camas, WA
Venue:
Proceedings of the 2006 international conference on Wireless communications and mobile computing
Year:
2006

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Abstract

The IEEE 802.15.4 Low-Rate Wireless Personal Area Network (LR-WPAN) [1] working group defines physical layer (PHY) and medium access control layer (MAC) standards specifications for low data rate wireless connections operating in the personal operating space (POS) of 10 m. The LR-WPAN supports raw data rates with a maximum of 250 Kbps. In this paper we first investigate the performance and feasibility of IEEE 802.15.4 LR-WPAN for low bit-rate audio video (AV) streaming applications. We focus on important AV streaming aspects such as packet loss and latency in the performance evaluation to find a suitable operating rate range. We then propose a link quality indication (LQI) based cross-layer method for adaptive AV streaming over LR-WPANs. We show the performance of our proposed adaptive streaming approach and compare it to the non-adaptive streaming approach using simulations.