NDLI: MAC-layer integration of multiple radio bands in indoor millimeter wave networks

Content Provider	IEEE Xplore Digital Library
Author	Jian Qiao Xuemin Shen Mark, J.W. Zhiguo Shi Mohammadizadeh, N.
Copyright Year	2013
Description	Author affiliation: Dept. of Inf. & Electron. Eng., Zhejiang Univ., Hangzhou, China (Zhiguo Shi) \|\| Dept. of Electr. & Comput. Eng., Univ. of Waterloo, Waterloo, ON, Canada (Jian Qiao; Xuemin Shen; Mark, J.W.; Mohammadizadeh, N.)
Abstract	The abundant bandwidth at 60 GHz band (around 7 GHz) offers the potential for multi-Gbps indoor wireless connections for bandwidth-intensive applications. However, 60 GHz millimeter wave (mmWave) links are highly susceptible to blockage since it is difficult to diffract around obstacles. In this paper, we propose multi-radio band integration framework to have 2.4/5 GHz band assist mmWave band to prevent drastic data rate reduction. Specifically, the problem of multi-radio band integration with TDMA-based MAC is formulated as an optimization problem. We decompose the problem into two subproblems: radio band selection and space-time scheduling. Firstly, considering network load and mmWave channel status, we define start-integration threshold and stop-integration threshold to select an active radio band for data transmission. Secondly, a space-time scheduling scheme is proposed to allow multiple flows over different radio bands operate concurrently to exploit the spatial reuse. Simulation results of the proposed multi-radio band integration mechanism demonstrate significant improvements of network connectivity and the number of supported traffic flows.
Starting Page	889
Ending Page	894
File Size	308031
Page Count	6
File Format	PDF
ISBN	9781467359382
ISSN	15253511
e-ISBN	9781467359399
e-ISBN	9781467359375
DOI	10.1109/WCNC.2013.6554681
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2013-04-07
Publisher Place	China
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Wireless communication Throughput Directional antennas Relays Quality of service Peer-to-peer computing Data communication
Content Type	Text
Resource Type	Article

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