TY - GEN
T1 - Position based unequal error protection for image transmission with energy constraint over multirate XPD MIMO sensor networks
AU - Wang, Wei
AU - Peng, Dongming
AU - Wang, Honggang
AU - Yang, Yaoqing
AU - Sharif, Hamid
AU - Chen, Hsiao Hwa
PY - 2008
Y1 - 2008
N2 - Multimedia delivery over Wireless Sensor Networks (WSNs) is energy critical. In this paper, we study an energy constrained cross layer optimization scheme to improve digital image quality in cross polarization discrimination (XPD) based Multiple Input Multiple Output (MIMO) WSNs. The contribution of this research can be summarized in three parts. First, link layer energy consumption and packet loss ratio in multirate XPD based MIMO WSN are modeled. Secondly, XPD based modulation optimization cross link and physical layer is proposed, achieving considerable energy efficiency. Finally, a new Position-Value (P-V) based Unequal Error Protection (UEP) scheme is studied and discussed in XPD MIMO WSNs, with more efficient resource allocation compared to traditional approaches. Simulation results show the proposed modulation optimization scheme improves energy efficiency considerably, and position based UEP achieves significant distortion-energy gain compared with traditional layer based resource allocation schemes in XPD MIMO WSNs.
AB - Multimedia delivery over Wireless Sensor Networks (WSNs) is energy critical. In this paper, we study an energy constrained cross layer optimization scheme to improve digital image quality in cross polarization discrimination (XPD) based Multiple Input Multiple Output (MIMO) WSNs. The contribution of this research can be summarized in three parts. First, link layer energy consumption and packet loss ratio in multirate XPD based MIMO WSN are modeled. Secondly, XPD based modulation optimization cross link and physical layer is proposed, achieving considerable energy efficiency. Finally, a new Position-Value (P-V) based Unequal Error Protection (UEP) scheme is studied and discussed in XPD MIMO WSNs, with more efficient resource allocation compared to traditional approaches. Simulation results show the proposed modulation optimization scheme improves energy efficiency considerably, and position based UEP achieves significant distortion-energy gain compared with traditional layer based resource allocation schemes in XPD MIMO WSNs.
UR - http://www.scopus.com/inward/record.url?scp=67249114936&partnerID=8YFLogxK
UR - http://www.scopus.com/inward/citedby.url?scp=67249114936&partnerID=8YFLogxK
U2 - 10.1109/GLOCOM.2008.ECP.906
DO - 10.1109/GLOCOM.2008.ECP.906
M3 - Conference contribution
AN - SCOPUS:67249114936
SN - 9781424423248
T3 - GLOBECOM - IEEE Global Telecommunications Conference
SP - 4730
EP - 4734
BT - 2008 IEEE Global Telecommunications Conference, GLOBECOM 2008
T2 - 2008 IEEE Global Telecommunications Conference, GLOBECOM 2008
Y2 - 30 November 2008 through 4 December 2008
ER -