Sciweavers

TWC
2010
13 years 7 months ago
Joint channel estimation and resource allocation for MIMO systems-part I: single-user analysis
Multiple antenna systems are known to provide very large data rates, when the perfect channel state information (CSI) is available at the receiver. However, this requires the recei...
Alkan Soysal, Sennur Ulukus
ICC
2009
IEEE
144views Communications» more  ICC 2009»
13 years 10 months ago
Green DSL: Energy-Efficient DSM
Dynamic spectrum management (DSM) has been recognized as a key technology for tackling multi-user crosstalk interference for DSL broadband access. Up to now, DSM design has mainly ...
Paschalis Tsiaflakis, Yung Yi, Mung Chiang, Marc M...
SIGMETRICS
2010
ACM
115views Hardware» more  SIGMETRICS 2010»
13 years 10 months ago
Fair greening for DSL broadband access
Given that broadband access networks are an integral part of the ICT infrastructure and that DSL is the most widely deployed broadband access technology, greening DSL has become i...
Paschalis Tsiaflakis, Yung Yi, Mung Chiang, Marc M...
CORR
2008
Springer
118views Education» more  CORR 2008»
13 years 12 months ago
Sum Rate Maximization using Linear Precoding and Decoding in the Multiuser MIMO Downlink
Abstract--We propose an algorithm to maximize the instantaneous sum data rate transmitted by a base station in the downlink of a multiuser multiple-input, multiple-output system. T...
Adam J. Tenenbaum, Raviraj S. Adve
TWC
2008
117views more  TWC 2008»
14 years 5 days ago
Orthogonally-spread block transmissions for ultra-wideband impulse radios
Differential, transmitted reference (TR) and energy detection (ED) based ultra-wideband impulse radios (UWBIR) can collect the rich multipath energy offered by UWB channels with a ...
Shahrokh Farahmand, Xiliang Luo, Georgios B. Giann...
TSP
2008
130views more  TSP 2008»
14 years 5 days ago
Differential UWB Communications With Digital Multicarrier Modulation
Abstract--As a high-rate alternative of impulse radio (IR) ultrawideband (UWB) communications, analog and digital multicarrier UWB radios with coherent detection have been introduc...
Huilin Xu, Liuqing Yang
TC
2008
14 years 6 days ago
Reducing the Energy Consumption of Ethernet with Adaptive Link Rate (ALR)
The rapidly increasing energy consumption by computing and communications equipment is a significant economic and environmental problem that needs to be addressed. Ethernet network...
Chamara Gunaratne, Kenneth J. Christensen, Bruce N...
JSAC
2006
94views more  JSAC 2006»
14 years 7 days ago
Multiuser transmitted reference ultra-wideband communication systems
Abstract--A conventional transmitted reference (TR) modulation scheme is an effective means to combat severe multipath distortion in an ultra-wideband (UWB) system, significantly r...
Zhengyuan Xu, Brian M. Sadler
CORR
2007
Springer
105views Education» more  CORR 2007»
14 years 8 days ago
Optimal Order of Decoding for Max-Min Fairness in K-User Memoryless Interference Channels
A K-user memoryless interference channel is considered where each receiver sequentially decodes the data of a subset of transmitters before it decodes the data of the designated t...
Mohammad Ali Maddah-Ali, Hajar Mahdavi-Doost, Amir...
CORR
2010
Springer
165views Education» more  CORR 2010»
14 years 11 days ago
Performance Analysis of a 60 GHz Near Gigabit System for WPAN Applications
A 60 GHz wireless Gigabit Ethernet (G.E.) communication system capable of near gigabit data rate has been developed at IETR. The realized system covers 2 GHz available bandwidth. T...
Lahatra Rakotondrainibe, Yvan Kokar, Gheorghe Zaha...