Search
Now showing items 1-9 of 9
Bidding strategies for dynamic spectrum allocation
(Dhirubhai Ambani Institute of Information and Communication Technology, 2010)
Dynamic Spectrum Allocation is the process of assigning spectrum licenses in terms of the chunks of the spectrum band to the Wireless Service Providers (WSPs). This allocation assignment is being done as per the WSPs' ...
Ant colony optimization in routing algorithms of mobile ad hoc networks
(Dhirubhai Ambani Institute of Information and Communication Technology, 2010)
The study on performance of On-demand Ant Routing Algorithm for Mobile Ad Hoc Network is done. An ant routing algorithm based on swarm intelligence and especially on Ant Colony Optimization (ACO). It describes a noval on ...
Game theory based strategies for cooperation in ad hoc wireless networks
(Dhirubhai Ambani Institute of Information and Communication Technology, 2010)
In self-organized ad-hoc wireless networks, nodes belong to different authorities, pursue different goals, have constrains like energy; therefore, cooperation among them cannot be taken for granted. Non cooperation of nodes ...
Channel estimation in OFDM systems
(Dhirubhai Ambani Institute of Information and Communication Technology, 2010)
Orthogonal frequency division multiplexing (OFDM) is not a new concept, but its receiver design has constant improvement. OFDM uses available spectrum efficiently and the system provides high data rates. Many standards ...
Design of digital accelerometer based seismic sensor node
(Dhirubhai Ambani Institute of Information and Communication Technology, 2010)
The aim of Design of Digital Accelerometer based Seismic Sensor Node is to propose a design for wireless sensor network for exploring the sub-surface region of the moon by studying the seismic waves generated over there. ...
Investigation on multi-band fractal antennas for satellite applications
(Dhirubhai Ambani Institute of Information and Communication Technology, 2010)
Remote sensing is a very important application of satellite communication. In remote sensing applications, multiple frequencies are utilized. Use of different antennas for different frequencies is a complex task and so use ...
Robust surface coverage using deterministic grid based deployment in wireless sensor networks
(Dhirubhai Ambani Institute of Information and Communication Technology, 2010)
The rapid progress in the field of wireless communication ans MEMS technology has made wireless sensor networks (WSN) possible. These networks may have low cost sensors deployed which are capable of sensing any activity ...
Broadband spectrum estimation using cascaded integrator comb filter
(Dhirubhai Ambani Institute of Information and Communication Technology, 2010)
Spectrum estimation using different type of lters is a broad area of research nowadays. In this work, Cascaded Integrator Comb (CIC) lter based narrowband spectrum estimation and CIC band pass lter is presented. Then the ...
State space based channel modelling
(Dhirubhai Ambani Institute of Information and Communication Technology, 2010)
xAbstract: An efficient channel estimation of single-input single output (SISO)/multiple-input multiple-output
(MIMO) wireless channel is required for analysis, prediction, fault detection, channel equalization
and ...