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MOBIHOC
2009
ACM
16 years 7 months ago
Efficient resource management in OFDMA Femto cells
Femto cells are a cost-effective means of providing ubiquitous connectivity in future broadband wireless networks. While their primary purpose has been to improve coverage in curr...
Karthikeyan Sundaresan, Sampath Rangarajan
EDBT
2004
ACM
163views Database» more  EDBT 2004»
16 years 6 months ago
Energy-Conserving Air Indexes for Nearest Neighbor Search
A location-based service (LBS) provides information based on the location information specified in a query. Nearest-neighbor (NN) search is an important class of queries supported ...
Baihua Zheng, Jianliang Xu, Wang-Chien Lee, Dik Lu...
PERCOM
2008
ACM
16 years 6 months ago
CoWSAMI: Interface-aware context gathering in ambient intelligence environments
In this paper we present CoWSAMI, a middleware infrastructure that enables context awareness in open ambient intelligence environments, consisting of mobile users and context sour...
Dionysis Athanasopoulos, Apostolos Zarras, Valéri...
MOBIHOC
2008
ACM
16 years 6 months ago
P2P-based routing and data management using the virtual cord protocol (VCP)
We present Virtual Cord Protocol (VCP), a virtual relative position based routing protocol for sensor networks that also provides methods for data management as known from standar...
Abdalkarim Awad, Reinhard German, Falko Dressler
MOBIHOC
2005
ACM
16 years 6 months ago
Timed grid routing (TIGR) bites off energy
Energy efficiency and collisions avoidance are both critical properties to increase the lifetime and effectiveness of wireless networks. This paper proposes a family of algorithms...
Roy Friedman, Guy Korland