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TCOM
2010
68views more  TCOM 2010»
13 years 6 months ago
Coded multipulse pulse-position modulation for free-space optical communications
—In this letter, we address two questions concerning the application of multipulse pulse-position modulation (MPPM) for free-space optical (FSO) communications: (1) under what co...
Trung Thanh Nguyen, Lutz H.-J. Lampe
VTC
2010
IEEE
163views Communications» more  VTC 2010»
13 years 6 months ago
An ARQ Mechanism with Rate Control for Two-Hop Relaying Systems
— Wireless multi-hop relaying has been attracting considerable attention as a promising technique for future communication systems. The multi-hop relaying technique has many bene...
Soo-Yong Jeon, Dong-Ho Cho
TWC
2011
367views more  TWC 2011»
13 years 3 months ago
Improving the Performance of Wireless Ad Hoc Networks Through MAC Layer Design
—In this paper, the performance of the ALOHA and CSMA MAC protocols are analyzed in spatially distributed wireless networks. The main system objective is correct reception of pac...
Mariam Kaynia, Nihar Jindal, Geir E. Øien
ICDCN
2010
Springer
14 years 3 months ago
Bandwidth Provisioning in Infrastructure-Based Wireless Networks Employing Directional Antennas
Abstract— Motivated by the widespread proliferation of wireless networks employing directional antennas, we study the problem of provisioning bandwidth in such networks. Given a ...
Shiva Prasad Kasiviswanathan, Bo Zhao, Sudarshan V...
IWCMC
2009
ACM
14 years 2 months ago
Adaptive antenna selection at mobile stations for SDMA in WiMAX networks
The IEEE 802.16/WiMAX standards has fully embraced multi-antenna technology and can, thus, deliver robust performance and high transmission rates. Nevertheless, due to its inheren...
Tairan Wang, Zhifeng Tao, Andreas F. Molisch, Phil...