Title
Shaping Spectral Leakage for IEEE 802.11p Vehicular Communications
Abstract
IEEE 802.11p is a recently defined standard for the physical (PHY) and medium access control (MAC) layers for Dedicated Short-Range Communications. Four Spectrum Emission Masks (SEMs) are specified in 802.11p that are much more stringent than those for current 802.11 systems. In addition, the guard interval in 802.11p has been lengthened by reducing the bandwidth to support vehicular communication (VC) channels, and this results in a narrowing of the frequency guard. This raises a significant challenge for filtering the spectrum of 802.11p signals to meet the specifications of the SEMs. We investigate state of the art pulse shaping and filtering techniques for 802.11p, before proposing a new method of shaping the 802.11p spectral leakage to meet the most stringent, class D, SEM specification. The proposed method, performed at baseband to relax the strict constraints of the radio frequency (RF) front-end, allows 802.11p systems to be implemented using commercial off-the-shelf (COTS) 802.11a RF hardware, resulting in reduced total system cost.
Year
DOI
Venue
2014
10.1109/VTCSpring.2014.7023089
Vehicular Technology Conference
Keywords
Field
DocType
access protocols,filtering theory,radio spectrum management,vehicular ad hoc networks,wireless LAN,COTS RF hardware,IEEE 802.11p,MAC layers,PHY layers,RF front-end,commercial off-the-shelf,dedicated short-range communications,filtering technique,medium access control layers,physical layers,pulse shaping,radio frequency front-end,spectral leakage shaping,spectrum emission masks,vehicular communication channels
IEEE 802.11p,Baseband,Computer science,Computer network,Electronic engineering,Radio frequency,Pulse shaping,Guard interval,Bandwidth (signal processing),Orthogonal frequency-division multiplexing,Spectral leakage
Conference
ISSN
Citations 
PageRank 
1550-2252
3
0.55
References 
Authors
9
3
Name
Order
Citations
PageRank
Thinh H. Pham1224.57
Ian Vince McLoughlin2505.15
Suhaib A. Fahmy358257.16