210 search results - page 1 / 42 » Performance evaluations of channel estimations in IEEE 802.1... |
ICUMT
2009
13 years 2 months ago
2009
To solve the defect in IEEE 802.11p standard that coherence bandwidth is insufficient to estimate the channel state in rich scattering environment, hance a time domain channel esti...
WIMOB
2007
IEEE
13 years 10 months ago
2007
IEEE
In this paper, ranging process in IEEE 802.16e OFDMA systems is analyzed and performance is evaluated. Ranging process provides initial network entry, uplink synchronization, and ...
ICC
2009
IEEE
13 years 2 months ago
2009
IEEE
Robust channel estimation scheme is essential for pulse-shaping OFDM systems in the multipath mobile environment. This paper proposes three types of channel estimation schemes for ...
MOBIMEDIA
2007
13 years 5 months ago
2007
We investigate the performance of the IEEE 802.11e while emphasizing on the end-to-end delay performance. In our MAC delay analysis, we are based on elementary conditional probabi...
ICC
2008
IEEE
13 years 10 months ago
2008
IEEE
—In this paper we present an analytical approach to evaluate the M-QAM bit error rate (BER) as well as channel capacity of Alamouti space time coded OFDM systems in case of direc...