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|Title: ||A Ka Band WCDMA-based LEO Transport Architecture in Mobile Telemedicine|
|Authors: ||C. F. Lin;J. Y. Chen;R. H. Shiu;S. H. Chang|
|Contributors: ||NTOU:Department of Electrical Engineering|
|Keywords: ||WCDMA-based;transport architecture;mobile telemedicine|
|Issue Date: ||2011-10-21T02:37:15Z
|Publisher: ||Telemedicine in the 21st Century/Nova Science Publishers|
|Abstract: ||Abstract:In this chapter, we discuss a Ka band multi-satellite, low earth orbit (LEO), wideband code division multiple access (WCDMA) based transport architecture in mobile telemedicine. An essential feature of this transport architecture is that high power, the space time block code (STBC) strategy, more capable error protection schemes and large length spreading codes are allocated to medical information that requires a higher quality of service (QoS). In contrast, low power, direct mapping (DM) strategy, less capable error protection schemes and high level modulation are granted to messages that can tolerate high BER. In order to further investigate the advantage of this transport architecture, we have undertaken a simulation using measured data for electrocardiogram (ECG) signals, electroencephalography (EEG) signals, JPEG2000 X-ray medical signals, G.729 audio signals and H.264 video signals, respectively. Simulation results show that the proposed scheme can not only fulfill the QoS required by a mobile telemedicine system, but also achieve the mission of gaining maximum transmission bit rates or minimum transmission power. In addition, by using channel estimation in the proposed transport architecture, the Ka band rain fading effect can be mitigated. The Ka band WCDMA-based LEO multi-satellites transport architecture is a feasible platform for mobile telemedicine.|
|Appears in Collections:||[電機工程學系] 期刊論文|
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