Abstract
In this paper, we study a wireless infrastructure mesh network where nodes are equipped multiple frequency-hopping radio interfaces, each with an array of antennas and utilizing the space-time block coding (STBC) technique for transmissions. With STBC technique on the radio, both temporal and spatial diversities can be employed on each transmission and the channel-attenuated performance can then be improved. Then, to reduce the cochannel interferences in the multi-radio mesh network , we present an interference-aware channel assignment algorithm to evaluate the amount of cochannel interferences using an SER (symbol eror rate)-based cost function and assign the most appropriate hopping pattern for each radio. Using the STBC physical technique along with the MAC-layer channel management, the mesh network thus acquires the immunity against the channel attenuation and the cochannel interferences.
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Kirachaiwanich, D., Liang, Q. (2011). Improving Performance of Multi-Radio Frequency-Hopping Wireless Mesh Networks. In: Cheng, Y., Eun, D.Y., Qin, Z., Song, M., Xing, K. (eds) Wireless Algorithms, Systems, and Applications. WASA 2011. Lecture Notes in Computer Science, vol 6843. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-642-23490-3_12
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DOI: https://doi.org/10.1007/978-3-642-23490-3_12
Publisher Name: Springer, Berlin, Heidelberg
Print ISBN: 978-3-642-23489-7
Online ISBN: 978-3-642-23490-3
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