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MOBIHOC
2009
ACM
14 years 4 months ago
Spectrum auction framework for access allocation in cognitive radio networks
Cognitive radio networks are emerging as a promising technology for the efficient use of radio spectrum. In these networks, there are two categories of networks on different chann...
Gaurav S. Kasbekar, Saswati Sarkar
MOBIHOC
2009
ACM
14 years 4 months ago
Aging rules: what does the past tell about the future in mobile ad-hoc networks?
The study in mobile ad-hoc networks (MANET) is facing challenges brought by recent discovery of non-exponential behavior of the inter-contact time distribution of mobile nodes. In...
Han Cai, Do Young Eun
MOBIHOC
2009
ACM
14 years 4 months ago
Multi-sector antenna performance in dense wireless networks
Sectorized antennas provide an attractive solution to increase wireless network capacity through higher spatial reuse. Despite their increasing popularity, the real-world performa...
Henrik Lundgren, Anand Prabhu Subramanian, Theodor...
MOBIHOC
2009
ACM
14 years 4 months ago
Demonstration of highly programmable downlink OFDMA (WiMax) transceivers for SDR systems
In this paper, we present the architecture of a highly configurable multi-input multi?output (MIMO) orthogonal frequency division multiple access (OFDMA) platform. The platform is...
Hamid Eslami, Gaurav Patel, Chitaranjan P. Sukumar...
MOBIHOC
2009
ACM
14 years 4 months ago
Fine-grained boundary recognition in wireless ad hoc and sensor networks by topological methods
Location-free boundary recognition is crucial and critical for many fundamental network functionalities in wireless ad hoc and sensor networks. Previous designs, often coarse-grai...
Dezun Dong, Yunhao Liu, Xiangke Liao
MOBIHOC
2009
ACM
14 years 4 months ago
Admission control and scheduling for QoS guarantees for variable-bit-rate applications on wireless channels
Providing differentiated Quality of Service (QoS) over unreliable wireless channels is an important challenge for supporting several future applications. We analyze a model that h...
I-Hong Hou, P. R. Kumar
MOBIHOC
2009
ACM
14 years 4 months ago
3DLS: density-driven data location service for mobile ad-hoc networks
Finding data items is one of the most basic services of any distributed system. It is particular challenging in ad-hoc networks, due to their inherent decentralized nature and lac...
Roy Friedman, Noam Mori
MOBIHOC
2009
ACM
14 years 4 months ago
Fault tolerant target tracking in sensor networks
In this paper, we present a Gaussian mixture model based approach to capture the spatial characteristics of any target signal in a sensor network, and further propose a temporally...
Min Ding, Xiuzhen Cheng
MOBIHOC
2009
ACM
14 years 4 months ago
Characterizing the exit process of a non-saturated IEEE 802.11 wireless network
In this paper, we consider a non-saturated IEEE 802.11 based wireless network. We use a three-way fixed point to model the node behavior with Bernoulli packet arrivals and determi...
Punit Rathod, Onkar Dabeer, Abhay Karandikar, Anir...
MOBIHOC
2009
ACM
14 years 4 months ago
Energy-efficient capture of stochastic events by global- and local-periodic network coverage
We consider a high density of sensors randomly placed in a geographical area for event monitoring. The monitoring regions of the sensors may have significant overlap, and a subset...
Shibo He, Jiming Chen, David K. Y. Yau, Huanyu Sha...