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MOBIHOC
2007
ACM
15 years 9 months ago
Approximation algorithms for longest-lived directional multicast communications in WANETs
Several centralized and distributed algorithms have been recently proposed to maximize the multicast lifetime for directional communications in wireless ad-hoc networks. Their per...
Song Guo, Oliver W. W. Yang, Victor C. M. Leung
ICC
2008
IEEE
126views Communications» more  ICC 2008»
15 years 3 months ago
On The Rate-Distance Adaptability of Slotted Aloha
—In wireless communication systems, the signal strength/quality generally varies with the distances between transmitters and receivers. As a consequence, the throughput in the MA...
Chih-Cheng Tseng, Shao-Yu Lien, Kwang-Cheng Chen, ...
GLOBECOM
2007
IEEE
15 years 3 months ago
Two Energy-Saving Schemes for Cooperative Transmission with Opportunistic Large Arrays
— An opportunistic large array (OLA) is a form of cooperative diversity in which a large group of simple, inexpensive relays or forwarding nodes operate without any mutual coordi...
Lakshmi V. Thanayankizil, Aravind Kailas, Mary Ann...
TMC
2008
108views more  TMC 2008»
14 years 9 months ago
Improving Throughput and Fairness by Reducing Exposed and Hidden Nodes in 802.11 Networks
Abstract--Two well-known problems that can cause performance degradations in IEEE 802.11 wireless networks are the exposednode (EN) and hidden-node (HN) problems. Although there ha...
Li Bin Jiang, Soung Chang Liew
WDAG
2009
Springer
114views Algorithms» more  WDAG 2009»
15 years 4 months ago
Virtual Ring Routing Trends
Virtual Ring Routing (VRR) schemes were introduced in the context of wireless ad hoc networks and Internet anycast overlays. They build a network-routing layer using ideas from dis...
Dahlia Malkhi, Siddhartha Sen, Kunal Talwar, Renat...