Sciweavers

TCOM
2011
129views more  TCOM 2011»
12 years 10 months ago
On the Capacity of WDM Passive Optical Networks
—To lower costs, WDM PONs may share the usage of wavelengths, transmitters, and receivers among ONUs, instead of dedicating the transmission between OLT and each ONU with one ind...
Jingjing Zhang, Nirwan Ansari
MONET
2011
12 years 10 months ago
Jamming in Wireless Networks Under Uncertainty
— The problem of jamming plays an important role in ensuring the quality and security of wireless communications, especially at this moment when wireless networks are quickly bec...
Eitan Altman, Konstantin Avrachenkov, Andrey Garna...
TSP
2008
100views more  TSP 2008»
13 years 3 months ago
Time-Slotted Round-Trip Carrier Synchronization for Distributed Beamforming
Transmit beamforming is an energy-efficient wireless communication technique that allows a transmitter with two or more antennas to focus its bandpass signal in an intended directi...
D. Richard Brown III, H. Vincent Poor
TSP
2008
99views more  TSP 2008»
13 years 3 months ago
Carrier Frequency Offset Mitigation in Asynchronous Cooperative OFDM Transmissions
Carrier frequency offset (CFO) mitigation is critical for orthogonal frequency-division multiplexing (OFDM)-based cooperative transmissions because even small CFO per transmitter m...
Xiaohua Li, Fan Ng, Taewoo Han
TIT
2008
134views more  TIT 2008»
13 years 3 months ago
Communication Over MIMO X Channels: Interference Alignment, Decomposition, and Performance Analysis
In a multiple-antenna system with two transmitters and two receivers, a scenario of data communication, known as the X channel, is studied in which each receiver receives data from...
Mohammad Ali Maddah-Ali, Abolfazl S. Motahari, Ami...
SIAMDM
2008
50views more  SIAMDM 2008»
13 years 3 months ago
Real Number Channel Assignments for Lattices
We consider the problem of assigning a numerical channel to each transmitter in a large regular array such that multiple levels of interference, which depend on the distance betwe...
Jerrold R. Griggs, Xiaohua Teresa Jin
CORR
2006
Springer
117views Education» more  CORR 2006»
13 years 3 months ago
Distributed Transmit Beamforming using Feedback Control
The concept of distributed transmit beamforming is implicit in many key results of network information theory. However, its implementation in a wireless network involves the funda...
Raghuraman Mudumbai, J. Hespanha, Upamanyu Madhow,...
CORR
2008
Springer
164views Education» more  CORR 2008»
13 years 3 months ago
Joint Physical Layer Coding and Network Coding for Bi-Directional Relaying
Abstract-- We consider the problem of two transmitters wishing to exchange information through a relay in the middle. The channels between the transmitters and the relay are assume...
Makesh Pravin Wilson, Krishna R. Narayanan, Henry ...
ISWC
2003
IEEE
13 years 9 months ago
Autocalibration Algorithm for Ultrasonic Location Systems
As mobile and wearable technology has evolved, an increasing need for indoor positioning has arisen. In particular, the use of ultrasonics provides a cheap way to fulfil this nee...
Paul Duff, Henk L. Muller