Sciweavers

12 search results - page 2 / 3
» wimob 2007
Sort
View
WIMOB
2007
IEEE
13 years 10 months ago
Performance Analysis of Ranging Process in IEEE 802.16e OFDMA Systems
In this paper, ranging process in IEEE 802.16e OFDMA systems is analyzed and performance is evaluated. Ranging process provides initial network entry, uplink synchronization, and ...
Doo Hwan Lee, Hiroyuki Morikawa
WIMOB
2007
IEEE
13 years 10 months ago
A Gossip Protocol to Support Service Discovery with Heterogeneous Ontologies in MANETs
Service discovery in mobile ad hoc networks (MANETs) is an integral part for collective application interoperability. The discovery process must cope not only with transient commun...
Andronikos Nedos, Kulpreet Singh, Raymond Cunningh...
WIMOB
2007
IEEE
13 years 10 months ago
Routing Packets into Wireless Mesh Networks
— Wireless mesh networks are a promising way to provide Internet access to fixed and mobile wireless devices. In mesh networks, traffic between mesh nodes and the Internet is r...
Rainer Baumann, Simon Heimlicher, Vincent Lenders,...
WIMOB
2007
IEEE
13 years 10 months ago
Software Solutions for Converting a MIMO-OFDM Channel into Multiple SISO-OFDM Channels
We present a software approach for MIMO-OFDM wireless communication technology. We first show that complex matrix operations like Singular-Value Decomposition (SVD), diagonalizat...
Mihai Sima, Murugappan Senthilvelan, Daniel Iancu,...
WIMOB
2007
IEEE
13 years 10 months ago
Securing Virtual Private Networks with SIM Authentication
—  With the ever increasing amount of systems requiring user authentication, users are experiencing an substantial inconvenience. A huge amount of passwords needs to be remember...
Torstein Bjørnstad, Ivar Jørstad, Do...