Abstract
In dense urban environment, the possibility of signal reception failed (receiving NAK) repeatedly at the receiving end of the conventional ARQ scheme is nonzero even if with strong FEC as 1/3 turbo code and sometime become noticeable. More robust and modified ARQ protocols are required which may adapt the FEC code rate according to the channel condition. We propose to use repeater as a reliable alternate in this critical channel condition. On the other hand ARQ scheme is efficient only for non-real time communication. Comparing with the ARQ scheme, reliable multipath from repeater will serve with lower time delay, lower SINR requirement and hence more network throughput with the cost of repeaters and multi-user detection scheme (when higher BER performance required).
The original version of this chapter was revised: The copyright line was incorrect. This has been corrected. The Erratum to this chapter is available at DOI: 10.1007/978-0-387-35618-1_37
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© 2003 IFIP International Federation for Information Processing
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Patwary, M.N., Rapajic, P., Oppermann, I. (2003). Dynamic QoS Guarantee with Repeater in Power Controlled WCDMA Urban Environment. In: Omidyar, C.G. (eds) Mobile and Wireless Communications. IFIP — The International Federation for Information Processing, vol 106. Springer, Boston, MA. https://doi.org/10.1007/978-0-387-35618-1_17
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DOI: https://doi.org/10.1007/978-0-387-35618-1_17
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