Mi-MMAC: MIMO-Based Multi-Channel MAC Protocol for WLAN
Journal Title: EAI Endorsed Transactions on Cognitive Communications - Year 2015, Vol 1, Issue 4
Abstract
In order to meet the proliferating demands in wireless local area networks (WLANs), the multi-channel media access control (MMAC) technology has attracted a considerable attention to exploit the increasingly scarce spectrum resources more efficiently. This paper proposes a novel multi-channel MAC to resolve the congestion on the control channel, named as Mi-MMAC, by multiplexing the control-radio and the data-radio as a multiple-input multiple-output (MIMO) array, working on both the control channel and the data channels alternately. Furthermore, we model Mi-MMAC as an M/M/k queueing system and obtain a closed-form approximate formula of the saturation throughput. Simulation results validate our model and analysis, and we demonstrate that the saturation throughput gain of the proposed protocol is close to 3.3 times compared with the dynamical channel assignment (DCA) protocol [1] under the few collisions condition.
Authors and Affiliations
Bo Yang, Bo Li, Mao Yang, Zhongjiang Yan, Xiaoya Zuo
Keywords
Related Articles
- EP ID EP45628
- DOI http://dx.doi.org/10.4108/eai.19-8-2015.2259754
- Views 249
- Downloads 0
Reconfigurable Microstrip Printed Patch Antenna for Future Cognitive Radio Applications
A family of compact microstrip antennas are presented targeting applications such as Long-Term Evolution (LTE), Wireless Local Area Networks (WLAN), Universal Mobile Telecommunications system (UMTS), Global System Mobile...
Welcome Message from Editor-in-Chief
It is our great honour to introduce the inaugural issue of EAI Transactions on Cognitive Communications. It has been more than one decade since the creation of the cognitive radio concept. The research and development...
Large-Signal Analysis and Characterization of a RF SOI-based Tunable Notch Antenna for LTE in TV White Space Frequency Spectrum
The demand for spectrum resources has increased dramatically with the explosion of wireless mobile devices and services. The Cognitive Radio (CR) associated with TV white space frequencies defined between 470 MHz to 790...
Analysis of a FTN Multicarrier System: Interference Mitigation Based on Tight Gabor Frames
Cognitive radio applications require flexible waveforms to overcome challenges such as opportunistic spectrum allocation. In this context, filtered multicarrier modulations are particularly justified to fit time-frequenc...
A novel spectrum allocation scheme in femtocell networks using improved graph theory
In this paper, we propose a novel spectrum allocation scheme by using graph coloring and taking QoS thresholds into account. The goal of our proposed method is to reduce interference among femtocells d...