Sciweavers

Share
TWC
2010
8 years 5 months ago
Joint power allocation and relay selection for multiuser cooperative communication
User cooperation, whereby multiple users share their antennas and transmit to a common destination in a collaborative manner, has been shown to be an effective way to achieve spat...
Kanchan G. Vardhe, Daryl Reynolds, Brian D. Woerne...
GLOBECOM
2010
IEEE
8 years 9 months ago
SplitAP: Leveraging Wireless Network Virtualization for Flexible Sharing of WLANs
Providing air-time guarantees across a group of clients forms a fundamental building block in sharing an access point (AP) across different virtual network providers. Though this p...
Gautam D. Bhanage, Dipti Vete, Ivan Seskar, Dipank...
PE
2008
Springer
113views Optimization» more  PE 2008»
8 years 11 months ago
Joint uplink and downlink admission control to both streaming and elastic flows in CDMA/HSDPA systems
TCP-based data flows generate packets and ACKs in two directions, be it in the wireline or wireless networks. In the latter case, packets are typically found in the downlink where...
Tijani Chahed, Eitan Altman, Salah-Eddine Elayoubi
CORR
2008
Springer
127views Education» more  CORR 2008»
8 years 11 months ago
Energy-Efficient Resource Allocation in Multiuser MIMO Systems: A Game-Theoretic Framework
This paper focuses on the cross-layer issue of resource allocation for energy efficiency in the uplink of a multiuser MIMO wireless communication system. Assuming that all of the ...
Stefano Buzzi, H. Vincent Poor, Daniela Saturnino
INFOCOM
2003
IEEE
9 years 4 months ago
Uplink Scheduling in CDMA Packet-Data Systems
Abstract—Uplink scheduling in wireless systems is gaining importance due to arising uplink intensive data services (ftp, image uploads etc.), which could be hampered by the curre...
Krishnan Kumaran, Lijun Qian
VTC
2007
IEEE
9 years 5 months ago
Uplink Capacity of Single-Carrier Frequency-Interleaved Spread Spectrum Multiple Access
—A single-carrier frequency-interleaved spread spectrum multiple access (SC-FI-SSMA), which we recently proposed, uses frequency-domain interleaving and MMSE-FDE to remove the up...
Kazuaki Takeda, Fumiyuki Adachi
VTC
2007
IEEE
9 years 5 months ago
A Power-Controlled 2-Dimensional Block Spread DS-CDMA Cellular System with Uplink Site Selection Diversity
—2-dimensional (2D) block spread direct sequence-code division multiple access (DS-CDMA) allows uplink mutlirate/mutli-connection transmissions without causing a serious multi-ac...
Le Liu, Fumiyuki Adachi
ICC
2007
IEEE
173views Communications» more  ICC 2007»
9 years 5 months ago
The Effect of Imperfect Carrier Frequency Offset Estimation on OFDMA Uplink Transmission
Abstract— Since carrier frequency offset destroys user’s signal orthogonality in Orthogonal Frequency-Division Multiplexing Access (OFDMA) uplink transmission, resulting in an ...
Zhongshan Zhang, Chintha Tellambura
VTC
2008
IEEE
113views Communications» more  VTC 2008»
9 years 5 months ago
On Design of TDD for Joint Uplink and Downlink Resource Allocation in OFDMA-Based WiMax
— In this paper, we study the joint design of uplink and downlink resources in OFDMA-based systems. We first analyze the interactions between uplink and downlink, due essentiall...
Tijani Chahed, Salah-Eddine Elayoubi, Eitan Altman
ICC
2008
IEEE
112views Communications» more  ICC 2008»
9 years 5 months ago
Weighted Fair Uplink/Downlink Access Provisioning in IEEE 802.11e WLANs
— We present the unfairness problem between the uplink and the downlink flows in the IEEE 802.11e infrastructure Basic Service Set (BSS) when the default settings of the Enhance...
Feyza Keceli, Inanc Inan, Ender Ayanoglu
books