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GLOBECOM
2006
IEEE
14 years 3 months ago
Packet and Flow Level Performance of Wireless Multihop Data Networks
— We consider wireless multihop data networks with random multi-access mechanisms at the MAC layer. Our aim is to study the performance as perceived by users in a dynamic setting...
Nidhi Hegde, Alexandre Proutiere
HICSS
2006
IEEE
160views Biometrics» more  HICSS 2006»
14 years 3 months ago
Mobile RFID - A Case from Volvo on Innovation in SCM
Utilization of Radio Frequency Identification (RFID) is often presented as improving supply chain management even though there are still few in-depth studies that support the hype...
Magnus Holmqvist, Gunnar Stefansson
ICDCSW
2006
IEEE
14 years 3 months ago
Characterization of a Connectivity Measure for Sparse Wireless Multi-hop Networks
The extent to which a wireless multi-hop network is connected is usually measured by the probability that all the nodes form a single connected component. We find this measure, c...
Srinath Perur, Sridhar Iyer
VTC
2006
IEEE
14 years 3 months ago
Using Unclaimed Sub-Carriers in Opportunistic OFDMA Systems
Abstract— In this paper, we consider the unclaimed subcarriers that no user feeds back in an opportunistic OFDMA system with a per sub-carrier power constraint. Unclaimed subcarr...
Patrick Svedman, Leonard J. Cimini Jr., Björn...
VTC
2006
IEEE
171views Communications» more  VTC 2006»
14 years 3 months ago
An Analysis on Uplink OFDMA Optimality
Motivated by the increasing popularity of OFDMA, this paper studies the sum-rate optimality of OFDMA as an uplink multicarrier multiple-access scheme. We address the relationship ...
Hongxiang Li, Hui Liu