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random access radio channel

Distributed and Channel-Adaptive Spectrum Detection, Sensing, and Access for Rational Cognitive Radio Users.

Distributed and Channel-Adaptive Spectrum Detection, Sensing, and Access for Rational Cognitive Radio Users.

... dynamic channel assignment (DCA) protocol ...resolve access requests after an available channel is ...control channel [24], and the data transceiver can be tuned to any one of the N data ...

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RANDOM LINEAR NETWORK CODING BASED MULTIPATH TRAFFICS OVER HETEROGENEOUS CLOUD 
RADIO ACCESS NETWORK

RANDOM LINEAR NETWORK CODING BASED MULTIPATH TRAFFICS OVER HETEROGENEOUS CLOUD RADIO ACCESS NETWORK

... Remote Radio Heads (RRHs) with higher frequency operation and lower transmission power within the coverage area of Micro Base Stations (MBSs) with higher transmission power compared to RRH consists of ...

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Random forests for resource allocation in 5G cloud radio access networks based on position information

Random forests for resource allocation in 5G cloud radio access networks based on position information

... estimates. Random forests algorithm is used for designing learning-based RA scheme, that works as a scheduler for appropriate resource allocation in 5G CRAN system, serving the different terminals using only their ...

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Analysis of Medium Access Protocols with Channel Bonding for Cognitive Radio on TV Bands

Analysis of Medium Access Protocols with Channel Bonding for Cognitive Radio on TV Bands

... Cognitive Radio Network operating in TV bands using the slotted ALOHA and the non-persistent CSMA protocol [5] is ...effective random access ...multiple channel widths to specify the basis for ...

5

Optimal Random Access and Random Spectrum Sensing for an Energy Harvesting Cognitive Radio with and without Primary Feedback Leveraging

Optimal Random Access and Random Spectrum Sensing for an Energy Harvesting Cognitive Radio with and without Primary Feedback Leveraging

... employ channel sensing or feedback leveraging as it can transmit each time slot simultaneously with the PU because the secondary receiver can decode packets under interference with a probability almost equal to ...

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Spectrum sharing in cognitive radio networks

Spectrum sharing in cognitive radio networks

... A channel packing scheme which provides 10%- 15% gain over random channel access has been presented in ...optimal access rates are derived only for a single wideband channel and ...

174

The dual clocks three dimension probability random multi channel access protocol with ack mechanism

The dual clocks three dimension probability random multi channel access protocol with ack mechanism

... Ad hoc network is a multi-hop, no center, and self-organizing wireless network, also known as multi-hop network (Multi-hop Network), no infrastructure network (Infrastructureless Network) or a self-organizing network ...

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Proactive channel access in cognitive radio networks using statistical radio environment maps

Proactive channel access in cognitive radio networks using statistical radio environment maps

... the random channel selection method when SU transmission probability is ...a channel with low PU activity from getting selected; therefore, most SU select those ending up with higher ...the ...

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RANDOM LINEAR NETWORK CODING BASED MULTIPATH TRAFFICS OVER HETEROGENEOUS CLOUD 
RADIO ACCESS NETWORK

RANDOM LINEAR NETWORK CODING BASED MULTIPATH TRAFFICS OVER HETEROGENEOUS CLOUD RADIO ACCESS NETWORK

... 2391 services to users. But to get the services from cloud, the users want the smooth and continue security from cloud providers. So cloud providers normally adopt the cryptographic techniques to provide security to the ...

12

RANDOM LINEAR NETWORK CODING BASED MULTIPATH TRAFFICS OVER HETEROGENEOUS CLOUD 
RADIO ACCESS NETWORK

RANDOM LINEAR NETWORK CODING BASED MULTIPATH TRAFFICS OVER HETEROGENEOUS CLOUD RADIO ACCESS NETWORK

... The transmission of a secret message or secret image over public networks may be affected by several types of security attacks. This problem triggered the researcher to implement secure algorithms that provide the ...

9

Efficient 5G Communication System using Random Access Block Interleaving with ETU Channel

Efficient 5G Communication System using Random Access Block Interleaving with ETU Channel

... The proposed approach uses RABI with random block interleaving to enhance BER performance. In this proposed methodology, we’re using random interleavers. Here, we have evaluated BER performance by taking ...

5

Improving throughput and fairness by improved channel assignment using topology control based on power control for multi radio multi channel wireless mesh networks

Improving throughput and fairness by improved channel assignment using topology control based on power control for multi radio multi channel wireless mesh networks

... equal access for each node to the wireless medium. Unfairness in medium access arises in MRMC WMNs due to some nodes operating on a conflicting channel and contend- ing with each other for medium ...

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Source location privacy in wireless sensor networks under practical scenarios : routing protocols, parameterisations and trade offs

Source location privacy in wireless sensor networks under practical scenarios : routing protocols, parameterisations and trade offs

... So far results presented in this chapter have observed the impact of (i) random walk length, (ii) source period, (iii) network size and (iv) number of sources. In this section, in order to have a comprehensive ...

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Markov Model Based Jamming and Anti Jamming Performance Analysis for Cognitive Radio Networks

Markov Model Based Jamming and Anti Jamming Performance Analysis for Cognitive Radio Networks

... In this paper, with a Markov model of the cognitive radio transmissions, both the jamming performance of the cognitive-radio-based jammers and the anti-jamming performance of the CRN are analyzed. ...

10

RANDOM LINEAR NETWORK CODING BASED MULTIPATH TRAFFICS OVER HETEROGENEOUS CLOUD 
RADIO ACCESS NETWORK

RANDOM LINEAR NETWORK CODING BASED MULTIPATH TRAFFICS OVER HETEROGENEOUS CLOUD RADIO ACCESS NETWORK

... WCDH algorithm Inputs: - Sample subset from dataset before drift DBD; - Sample subset from dataset after drift DAD; - Position where the drift occurred P; - Drift intensity value DI; Met[r] ...

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Analysis of MAC protocol for Cognitive Radio Wireless Sensor Network (CR WSN)

Analysis of MAC protocol for Cognitive Radio Wireless Sensor Network (CR WSN)

... Cognitive radio is a perfect technology identifying the vacant portion of the spectrum and also ensuring that primary users are not affected at ...cognitive radio capability, which ultimately yields a new ...

5

Context aware radio resource management below 6 GHz for enabling dynamic channel assignment in the 5G era

Context aware radio resource management below 6 GHz for enabling dynamic channel assignment in the 5G era

... As it has been referred in the Introduction section, a purely centralized approach to DCA might not be feas- ible in practice due to the large amount of feedback that must be exchanged between the BSs and the strict ...

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IJCSMC, Vol. 3, Issue. 7, July 2014, pg.60 – 69 RESEARCH ARTICLE An Analysis of Genetic Algorithm and Tabu Search Algorithm for Channel Optimization in Cognitive AdHoc Networks

IJCSMC, Vol. 3, Issue. 7, July 2014, pg.60 – 69 RESEARCH ARTICLE An Analysis of Genetic Algorithm and Tabu Search Algorithm for Channel Optimization in Cognitive AdHoc Networks

... Cognitive Radio accommodates Genetic Algorithm (GA) into it to develop the adaptation ability of ...Multiple Access (TDMA) and Carrier Sense Multiple Access (CSMA) are the two common multiple ...

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Cognitive Radio Based on Software Defined Radio

Cognitive Radio Based on Software Defined Radio

... available radio spectrum. Cognitive radio is the exciting technologies that offer new approaches to the spectrum ...Cognitive radio is a novel concept for future wireless communications, and it has ...

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Modeling the Throughput of 1-persistent CSMA in Underwater Networks

Modeling the Throughput of 1-persistent CSMA in Underwater Networks

... In the following, we will focus on the “sense-before- transmit” version of CSMA, i.e., without collision avoidance mechanisms based on preliminary handshakes. According to the terminology established by Tobagi and ...

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