Title :
Performance evaluations of channel estimations in IEEE 802.11p environments
Author :
Lin, Chi-Sheng ; Sun, Che-Kang ; Lin, Jia-Chin ; Chen, Bo-Chuan
Author_Institution :
Dept. of Commun. Eng., Nat. Central Univ., Jhongli, Taiwan
Abstract :
To solve the defect in IEEE 802.11p standard that coherence bandwidth is insufficient to estimate the channel state in rich scattering environment, hence a time domain channel estimation technique is proposed in this paper. This technique is based on least-square (LS) algorithm, and assisted by Zadoff-Chu sequence in symbol prefix and preamble. The channel models in the simulation are referencing HIPERLAN/2.
Keywords :
channel estimation; least squares approximations; wireless LAN; IEEE 802.11p environments; Zadoff-Chu sequence; channel estimations; coherence bandwidth; least-square algorithm; performance evaluations; scattering environment; symbol prefix; Bandwidth; Channel estimation; Communication standards; Discrete Fourier transforms; Fading; Interference; Least squares approximation; Rayleigh scattering; Reflection; Time domain analysis; DSRC; IEEE 802.11p; channel estimation; least square algorithm; least square algorithm IEEE 802.11p;
Conference_Titel :
Ultra Modern Telecommunications & Workshops, 2009. ICUMT '09. International Conference on
Conference_Location :
St. Petersburg
Print_ISBN :
978-1-4244-3942-3
Electronic_ISBN :
978-1-4244-3941-6
DOI :
10.1109/ICUMT.2009.5345402
