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TWC
2010
13 years 2 months ago
Closed-Loop Transmit Diversity with Imperfect Feedback
The closed-loop transmit diversity technique is used to improve the performance of the downlink channel in MIMO communication systems. In these closed-loop systems, feedback delay...
A. Heidari, Amir K. Khandani
WIMOB
2008
IEEE
14 years 1 months ago
AVERT: Adaptive SerVicE and Route Discovery ProTocol for MANETs
—In the past few years there has been increasing research interest in service discovery protocols for Mobile Ad Hoc Networks (MANET). The most promising approaches so far address...
Christopher N. Ververidis, George C. Polyzos
ICC
2009
IEEE
152views Communications» more  ICC 2009»
13 years 5 months ago
System Spectral Efficiency and Stability of 3G Networks: A Comparative Study
CDMA2000, WCDMA and WiMAX are three widely used 3G technologies. Since they share the same goal, which is to provide broader coverage and higher throughput in 3G networks, an impar...
Yuehong Gao, Xin Zhang, Yuming Jiang, Jeong-woo Ch...
JSAC
2007
180views more  JSAC 2007»
13 years 7 months ago
A Cross-Layer Approach for WLAN Voice Capacity Planning
— This paper presents an analytical approach to determining the maximum number of on/off voice flows that can be supported over a wireless local area network (WLAN), under a qua...
Yu Cheng, Xinhua Ling, Wei Song, Lin X. Cai, Weihu...
ISCAS
2003
IEEE
189views Hardware» more  ISCAS 2003»
14 years 22 days ago
Bio-inspired optical flow circuits for the visual guidance of micro air vehicles
In 1986, Franceschini et al. built an optronic velocity sensor [11], the principle of which was based on the findings they had recently made on fly EMDs by performing electrophysio...
Franck Ruffier, Stéphane Viollet, S. Amic, ...