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» Faster Deterministic Wakeup in Multiple Access Channels
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JSAC
2011
127views more  JSAC 2011»
13 years 7 days ago
Opportunistic Multiple Access for Cognitive Radio Networks
—In this paper, opportunistic multiple access to the under-utilized channel resources is investigated. Exploiting source burstiness, secondary cognitive nodes utilizes primary no...
Amr A. El-Sherif, Ahmed K. Sadek, K. J. Ray Liu
AINA
2009
IEEE
13 years 3 months ago
A CDMA-Based MAC Protocol in Tree-Topology for Underwater Acoustic Sensor Networks
In this paper, a CDMA-based medium access control (MAC) scheme in underwater acoustic sensor networks is proposed, in which a periodic sleeping mode is jointly employed for the pu...
Jong-Pil Kim, Jae-Won Lee, Youn-Seon Jang, Kweon S...
CORR
2010
Springer
139views Education» more  CORR 2010»
13 years 4 months ago
Feedback Capacity of the Gaussian Interference Channel to within 2 Bits
We characterize the capacity region to within 2 bits/s/Hz and the symmetric capacity to within 1 bit/s/Hz for the two-user Gaussian interference channel (IC) with feedback. We dev...
Changho Suh, David Tse
ICC
2011
IEEE
219views Communications» more  ICC 2011»
12 years 5 months ago
Deterministic Equivalents for the Performance Analysis of Isometric Random Precoded Systems
—We consider a general wireless channel model for different types of code-division multiple access (CDMA) and space-division multiple-access (SDMA) systems with isometric random ...
Jakob Hoydis, Romain Couillet, Mérouane Deb...
ICC
2007
IEEE
110views Communications» more  ICC 2007»
14 years 2 days ago
Performance of Interleave Division Multiple Access Based on Minimum Mean Square Error Detection
— Interleave division multiple access (IDMA) recently attracted many research activities because of its excellent performance despite its reasonable low complexity. The low compl...
Katsutoshi Kusume, Guido Dietl, Wolfgang Utschick,...