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السجلات المعروضة 11 -- 20 من 30
Capacious spread spectrum watermarking utilizing hadamard matrix
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Institute of Electrical and Electronics Engineers Inc.
, 2016 , Conference Paper)
In this paper, a new watermarking method based on spread spectrum technique, which we call capacious spread spectrum (CSS) is proposed. In this method, unlike the traditional spread spectrum watermarking (TSS), more than ...
Relay-Assisted Primary and Secondary Transmissions in Cognitive Radio Networks
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Institute of Electrical and Electronics Engineers Inc.
, 2016 , Article)
We assume a set of cognitive relay nodes that assists both primary and secondary transmissions in a time-slotted cognitive radio networks. To regulate the channel access of the various nodes in the network, we propose an ...
Optimized collaborative spectrum sensing in energy harvesting cognitive radio networks
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Institute of Electrical and Electronics Engineers Inc.
, 2016 , Conference Paper)
We study the probability of error optimization problem in collaborative spectrum sensing (CSS) with limited time and energy resources in energy harvesting cognitive radio (CR) networks. The frame structures for sensing and ...
On the performance of spectrum sensing based on GLR for full-duplex cognitive radio networks
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Institute of Electrical and Electronics Engineers Inc.
, 2016 , Conference Paper)
In cognitive radio networks, secondary users (SUs) utilize the unused spectrum slots in the assigned band for the primary users (PUs). Conventional cognitive radio networks operate in half-duplex (HD) mode. Recently, ...
Optimal collaborative energy harvesting spectrum sensing with limited time resource
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Institute of Electrical and Electronics Engineers Inc.
, 2016 , Conference Paper)
We study a collaborative spectrum sensing (CSS) problem with limited time and energy resources in cognitive radio (CR) network. Time duration of sensing and data transmission, if the spectrum is identified as vacant, are ...
Throughput of a cooperative energy harvesting secondary user in cognitive radio networks
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Wiley Blackwell
, 2016 , Article)
This paper investigates the maximum throughput of a rechargeable secondary user (SU) sharing the spectrum with a primary user (PU). The SU is assumed to be an energy harvesting node, which harvests energy packets from the ...
Error probability analysis of energy harvesting relay-Aided cooperative network using hierarchical modulation
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Institute of Electrical and Electronics Engineers Inc.
, 2016 , Conference Paper)
In this paper, we investigate the performance of energy harvesting relay-Aided cooperative system wherein, the source node transmits hierarchical signal to the relay and destination nodes. But, since in cooperative networks ...
Energy efficient spectrum allocation and mode selection for mission-critical D2D communications
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Institute of Electrical and Electronics Engineers Inc.
, 2016 , Conference Paper)
Device-to-device (D2D) communications is considered as a key enabling technology in future cellular networks and thus, it has become an intriguing topic for research. It refers to an innovative technology that enables User ...
Underlay cognitive radio : What is the impact of carrier aggregation and relaying on throughput ?
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Institute of Electrical and Electronics Engineers Inc.
, 2016 , Conference Paper)
In this paper, we investigate joint relay selection and optimal power allocation, as a means to maximize the achievable rate of an underlay cooperative cognitive radio with carrier aggregation, taking into account the ...
Maximum Secondary Stable Throughput of a Cooperative Secondary Transmitter-Receiver Pair: Protocol Design and Stability Analysis
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Institute of Electrical and Electronics Engineers Inc.
, 2016 , Conference Paper)
In this paper, we investigate the impact of cooperation between a secondary transmitter-receiver pair and a primary transmitter on the maximum stable throughput of the primary-secondary network. Each transmitter, either ...