Header Detection to Improve Multimedia Quality Over Wireless Networks Export

@article{citeulike:2401701, abstract = {Wireless multimedia studies have revealed that forward error correction (FEC) on corrupted packets yields better bandwidth utilization and lower delay than retransmissions. To facilitate FEC-based recovery, corrupted packets should not be dropped so that maximum number of packets is relayed to a wireless receiver's FEC decoder. Previous studies proposed to mitigate wireless packet drops by a partial checksum that ignored payload errors. Such schemes require modifications to both transmitters and receivers, and incur packet-losses due to header errors. In this paper, we introduce a receiver-based scheme which uses the history of active multimedia sessions to detect transmitted values of corrupted packet headers, thereby improving wireless multimedia throughput. Header detection is posed as the decision-theoretic problem of multihypothesis detection of known parameters in noise. Performance of the proposed scheme is evaluated using trace-driven video simulations on an 802.11b local area network. We show that header detection with application layer FEC provides significant throughput and video quality improvements over the conventional UDP/IP/802.11 protocol stack}, author = {Khayam, Syed A. and Karande, Shirish S. and Ilyas, Muhammad U. and Radha, Hayder}, booktitle = {Multimedia, IEEE Transactions on}, citeulike-article-id = {2401701}, citeulike-linkout-0 = {http://dx.doi.org/10.1109/TMM.2006.889051}, citeulike-linkout-1 = {http://ieeexplore.ieee.org/xpls/abs_all.jsp?arnumber=4066998}, doi = {10.1109/TMM.2006.889051}, journal = {IEEE Transactions on Multimedia}, keywords = {80211b, allocation, area, bandwidth, coding, communication, correction, corrupted, decision, decision-theoretic, detection, error, forward, header, ip, lan, local, multimedia, network, packet, problem, processing, protocol, protocols, receiver-based, scheme, signal, simulation, systems, theory, transport, udp, utilization, video, wireless}, month = {February}, number = {2}, pages = {377--385}, posted-at = {2008-02-20 07:08:50}, priority = {2}, title = {Header Detection to Improve Multimedia Quality Over Wireless Networks}, url = {http://dx.doi.org/10.1109/TMM.2006.889051}, volume = {9}, year = {2007} }

TY - JOUR ID - citeulike:2401701 L3 - citeulike-article-id:2401701 N2 - Wireless multimedia studies have revealed that forward error correction (FEC) on corrupted packets yields better bandwidth utilization and lower delay than retransmissions. To facilitate FEC-based recovery, corrupted packets should not be dropped so that maximum number of packets is relayed to a wireless receiver's FEC decoder. Previous studies proposed to mitigate wireless packet drops by a partial checksum that ignored payload errors. Such schemes require modifications to both transmitters and receivers, and incur packet-losses due to header errors. In this paper, we introduce a receiver-based scheme which uses the history of active multimedia sessions to detect transmitted values of corrupted packet headers, thereby improving wireless multimedia throughput. Header detection is posed as the decision-theoretic problem of multihypothesis detection of known parameters in noise. Performance of the proposed scheme is evaluated using trace-driven video simulations on an 802.11b local area network. We show that header detection with application layer FEC provides significant throughput and video quality improvements over the conventional UDP/IP/802.11 protocol stack IS - 2 JF - IEEE Transactions on Multimedia EP - 385 TI - Header Detection to Improve Multimedia Quality Over Wireless Networks VL - 9 T2 - Multimedia, IEEE Transactions on SP - 377 KW - 80211b KW - allocation KW - area KW - bandwidth KW - coding KW - communication KW - correction KW - corrupted KW - decision KW - decision-theoretic KW - detection KW - error KW - forward KW - header KW - ip KW - lan KW - local KW - multimedia KW - network KW - packet KW - problem KW - processing KW - protocol KW - protocols KW - receiver-based KW - scheme KW - signal KW - simulation KW - systems KW - theory KW - transport KW - udp KW - utilization KW - video KW - wireless AU - Khayam, Syed AU - Karande, Shirish AU - Ilyas, Muhammad AU - Radha, Hayder PY - 2007/02// UR - http://dx.doi.org/10.1109/TMM.2006.889051 ER -