Search Results - "IEEE GLOBECOM 2007 - IEEE Global Telecommunications Conference"
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Soft Combination and Detection for Cooperative Spectrum Sensing in Cognitive Radio Networks
Published in IEEE GLOBECOM 2007 - IEEE Global Telecommunications Conference (01-11-2007)“…In this paper, we consider cooperative spectrum sensing based on energy detection in cognitive radio networks. Soft combination of the observed energy values…”
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Conference Proceeding -
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Protograph LDPC Codes Design Based on EXIT Analysis
Published in IEEE GLOBECOM 2007 - IEEE Global Telecommunications Conference (01-11-2007)“…In this paper, a novel extrinsic information transfer (EXIT) analysis is presented for protograph-based and multi- edge type low-density parity-check (LDPC)…”
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3
Node Placement Algorithm for Deployment of Two-Tier Wireless Mesh Networks
Published in IEEE GLOBECOM 2007 - IEEE Global Telecommunications Conference (01-11-2007)“…In the deployment of wireless mesh networks (WMNs) the placement of Mesh Nodes (MNs) is an important design issue. The performance of WMNs is greatly affected…”
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Conference Proceeding -
4
An Improved Dynamic User Authentication Scheme for Wireless Sensor Networks
Published in IEEE GLOBECOM 2007 - IEEE Global Telecommunications Conference (01-11-2007)“…Over the last few years, many researchers have paid a lot of attention to the user authentication problem. However, to date, there has been relatively little…”
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5
Power Allocation in OFDM-Based Cognitive Radio Systems
Published in IEEE GLOBECOM 2007 - IEEE Global Telecommunications Conference (01-11-2007)“…In this paper, we investigate the optimal power allocation strategy that aims at maximizing the capacity in OFDM- based cognitive radio systems. We show that…”
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6
Combined SINR Based Vertical Handoff Algorithm for Next Generation Heterogeneous Wireless Networks
Published in IEEE GLOBECOM 2007 - IEEE Global Telecommunications Conference (01-11-2007)“…Next generation heterogeneous wireless networks offer the end users with assurance of QoS inside each access network as well as during vertical handoff between…”
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7
Achievable Rates for the Gaussian Interference Relay Channel
Published in IEEE GLOBECOM 2007 - IEEE Global Telecommunications Conference (01-11-2007)“…In this paper, an interference relay channel where two independent sources communicate with two destinations by the help of a relay is studied. The relay is…”
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8
Uplink Capacity and Interference Avoidance for Two-Tier Cellular Networks
Published in IEEE GLOBECOM 2007 - IEEE Global Telecommunications Conference (01-11-2007)“…Two-tier femtocell networks-comprising a conventional macrocellular network plus embedded femtocell hotspots- offer an economically viable solution to…”
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9
Stochastic Channel Selection in Cognitive Radio Networks
Published in IEEE GLOBECOM 2007 - IEEE Global Telecommunications Conference (01-11-2007)“…In this paper, we investigate the channel selection strategy for secondary users in cognitive radio networks. We claim that in order to avoid the costly…”
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10
Ergodic and Outage Capacities of Spectrum-Sharing Systems in Fading Channels
Published in IEEE GLOBECOM 2007 - IEEE Global Telecommunications Conference (01-11-2007)“…In this fast growing technology world, where communications play a major rule for connecting people and machines together, the growth in wireless applications…”
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11
A Kalman Filter Based Link Quality Estimation Scheme for Wireless Sensor Networks
Published in IEEE GLOBECOM 2007 - IEEE Global Telecommunications Conference (01-11-2007)“…Communication among wireless sensor nodes that employ cheap low-power transceivers is often very sensitive to the variations of the wireless channel. Sensor…”
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12
Cooperative Spectrum Sensing and Detection for Cognitive Radio
Published in IEEE GLOBECOM 2007 - IEEE Global Telecommunications Conference (01-11-2007)“…One of the main requirements of cognitive radio systems is the ability to reliably detect the presence of licensed primary transmissions. Previous works on the…”
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13
Spectrum Sensing Using Cyclostationary Properties and Application to IEEE 802.22 WRAN
Published in IEEE GLOBECOM 2007 - IEEE Global Telecommunications Conference (01-11-2007)“…Spectrum sensing in a very low SNR environment (less than -20 dB) is considered in this paper. We make use of the noise rejection property of the…”
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14
Joint Beamforming and Scheduling in Cognitive Radio Networks
Published in IEEE GLOBECOM 2007 - IEEE Global Telecommunications Conference (01-11-2007)“…Cognitive radio has been recently proposed as a promising technology to improve the spectrum utilization. In this paper, we consider the coexistence between a…”
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15
An Optimal Strategy for Cooperative Spectrum Sensing in Cognitive Radio Networks
Published in IEEE GLOBECOM 2007 - IEEE Global Telecommunications Conference (01-11-2007)“…Spectrum sensing is a key enabling functionality in cognitive radio (CR) networks, where the CRs act as secondary users that opportunistically access free…”
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16
A New Design of Bloom Filter for Packet Inspection Speedup
Published in IEEE GLOBECOM 2007 - IEEE Global Telecommunications Conference (01-11-2007)“…Bloom filter is a space-efficient randomized data structure for group membership query. It is widely used in networking applications which involve the packet…”
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17
A Voronoi Approach for Coverage Protocols in Wireless Sensor Networks
Published in IEEE GLOBECOM 2007 - IEEE Global Telecommunications Conference (01-11-2007)“…The Voronoi Diagram(VD) is a fundamental algorithm for resolving the coverage problems of wireless sensor networks. Most VD based coverage algorithms collect…”
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18
A Quantitative Approach to Evaluate DSRC Highway Inter-Vehicle Safety Communication
Published in IEEE GLOBECOM 2007 - IEEE Global Telecommunications Conference (01-11-2007)“…Inter-vehicle safety applications on highways rely considerably on the real-time and reliable communication in the vehicular ad hoc network. For engineers and…”
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19
LTRT: Least Total-Route Temperature Routing for Embedded Biomedical Sensor Networks
Published in IEEE GLOBECOM 2007 - IEEE Global Telecommunications Conference (01-11-2007)“…In this paper, we propose Least Total-Route- Temperature (LTRT), a thermal aware routing algorithm, to reduce temperature caused by biomedical sensors…”
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20
Burst Construction and Packet Mapping Scheme for OFDMA Downlinks in IEEE 802.16 Systems
Published in IEEE GLOBECOM 2007 - IEEE Global Telecommunications Conference (01-11-2007)“…In this paper, we propose a burst construction and packet mapping scheme in the orthogonal frequency-division multiple access (OFDMA) downlinks of IEEE 802.16…”
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Conference Proceeding