Bibliographic Details
| Title: |
An 802.11 n wireless local area network transmission scheme for wireless telemedicine applications. |
| Authors: |
Lin CF (AUTHOR), Hung SI (AUTHOR), Chiang IH (AUTHOR), Lin, C F1 (AUTHOR), Hung, S I (AUTHOR), Chiang, I H (AUTHOR) |
| Source: |
Proceedings of the Institution of Mechanical Engineers -- Part H -- Journal of Engineering in Medicine (Professional Engineering Publishing). 2010 Oct, Vol. 224 Issue 10, p1201-1208. 8p. |
| Abstract: |
In this paper, an 802.11 n transmission scheme is proposed for wireless telemedicine applications. IEEE 802.11n standards, a power assignment strategy, space-time block coding (STBC), and an object composition Petri net (OCPN) model are adopted. With the proposed wireless system, G.729 audio bit streams, Joint Photographic Experts Group 2000 (JPEG 2000) clinical images, and Moving Picture Experts Group 4 (MPEG-4) video bit streams achieve a transmission bit error rate (BER) of 10-7, 10-4, and 103 simultaneously. The proposed system meets the requirements prescribed for wireless telemedicine applications. An essential feature of this proposed transmission scheme is that clinical information that requires a high quality of service (QoS) is transmitted at a high power transmission rate with significant error protection. For maximizing resource utilization and minimizing the total transmission power, STBC and adaptive modulation techniques are used in the proposed 802.11 n wireless telemedicine system. Further, low power, direct mapping (DM), low-error protection scheme, and high-level modulation are adopted for messages that can tolerate a high BER. With the proposed transmission scheme, the required reliability of communication can be achieved. Our simulation results have shown that the proposed 802.11 n transmission scheme can be used for developing effective wireless telemedicine systems. [ABSTRACT FROM AUTHOR] |
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| Database: |
Engineering Source |
