69 search results - page 5 / 14 » A Novel Uplink Multiple Access Scheme Based on TDS-FDMA |
SIMUTOOLS
2008
13 years 9 months ago
2008
The IEEE 802.16 technology is emerging as a promising solution for BWA due to its ability to support multimedia services and to operate in multiple physical environments. Also, wi...
LANC
2009
ACM
14 years 4 days ago
2009
ACM
We study a wireless network under the 802.11 random access protocol, supporting multiple physical layer rates. Based on models for the effective packet rates achieved at the MAC ...
MOBICOM
2009
ACM
14 years 2 months ago
2009
ACM
Cognitive relays form a special cooperation relationship among users in cognitive radio networks, and help increase the transmission rates of both primary users and secondary user...
WOWMOM
2006
ACM
14 years 1 months ago
2006
ACM
In this paper, we build on known bounds on localization in sensor networks and provide new insights that can be used in multiple-access design from a localization perspective. Spe...
ADHOCNETS
2009
Springer
13 years 10 months ago
2009
Springer
This paper is a sequel of previous work, in which we have studied the traffic management problem in UMTS. The main objective was to improve the spectral efficiency of cellular netw...