multiple-access radio networks
Deterministic blind radio networks
... We present algorithms for the fundamental tasks of broadcasting and wake-up in multiple access channels single-hop radio networks and multi-hop radio networks which require no knowledge [r] ...
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Weighted sum rate maximization for multi user SIMO multiple access channels in cognitive radio networks
... the multiple- input multiple-output (MIMO) technology uses multiple antennas at either the transmitter or the receiver to signif- icantly increase data throughput and link range without additional ...
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Adaptive remote radio head control for cloud radio access networks
... cloud radio access network (C-RAN) is recognized as one of the key enabling technologies for beyond 4G (B4G) or 5G wireless communications systems because of its ability to mitigate inter-cell interference ...
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A MAC protocol with an improved connectivity for cognitive radio networks
... medium access control (MAC) protocol has pushed the research community to submit many proposals of the protocol, all for the purpose of improving the performance of wireless networks as well as CR ...hoc ...
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Performance Analysis on the Coexistence of Multiple Cognitive Radio Networks
... CR networks, only a few studies address the coexistence of multiple CR networks ...Internet access in the spectrum whitespaces with better service quality than that of WiFi in the ISM ...the ...
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Energy efficiency of compressed spectrum sensing in wideband cognitive radio networks
... cognitive radio networks (CRNs), the secondary users (SUs) can opportunistically access the spectrum bands unoccupied by the primary users ...continuous multiple bands ...
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Efficiency gains in 5G softwarised radio access networks
... Public Radio Interface; C-RAN: Cloud radio access network; CSI: Channel state information; CU: Central unit; DC: Data center; DCC: Decentralized Cloud Controller; DSW-BBU: Disaggregated SW-BBU; FFT: ...
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Adaptive resource allocation for cognitive radio networks with multiple primary networks
... cognitive radio networks (CRNs) [1] get exten- sive attentions to alleviate the contradiction between the scarcity and low-utilization of the spectrum ...spectrum access (DSA), termed as underlay ...
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Proactive channel access in cognitive radio networks using statistical radio environment maps
... the radio environment map in the form of probabilistic suffix trees, which is a sequence predictor based on Markov ...sense multiple access (CSMA)/collision avoidance (CA)-based medium access ...
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Spectrum Sensing and Multiple Access Schemes for Cognitive Radio Networks
... investigating the performance of particular schemes in ideal environments such as independent antennas in cooperative scenarios or in uniform or isotropic scattering conditions [27]. Such considerations eliminate the ...
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Vol 9, No 3 (2017)
... [1]. Multiple access scheme is the key technology in the history of wireless communication to distinguish all generations from 1G to ...orthogonal multiple access (OMA) schemes, such as ...
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A Review on : Resource allocation and Routing in MIMO-OFDM Systems
... with Multiple Input Multiple output technique, so multiple antennas are used at both transmitter end and receiver ...wireless networks has been removed by using the MIMO system and also it ...
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5g Nanocore Technologies
... The future is becoming more difficult to predict with each passing year but we are on the right road towards the upcoming era, 5G is made possible by the above explained technologies which includes Nanotechnology, Cloud ...
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Maximum Utility Function Approach for Detection of Primary User Emulation Attack in Cognitive Radio Networks
... destructive strategy according to its obtained analysis of the radio environment. In [10], the authors present a comprehensive introduction to PUEA, from the attack motivation and its impact on CR networks, ...
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... The increasing demand for broadband wireless technologies has led to scarcity, inefficient utilisation, and underutilisation of the spectrum. The Cognitive Radio (CR) technology has emerged as the promising ...
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Analysis of Bio-inspired Scalable Routing Protocol for Cognitive Radio Sensor Networks
... of each node is 100 Joule, data transmission rate is 2 kbps, radio transmission rate 200 m, bandwidth of each channel 2 Mbps, sensing time 0.025 sec., operating time 0.6 sec, hand-off time 0.001 sec., with ...
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Vol 6, No 1 (2014)
... spectrum access techniques. Dynamic spectrum access envisions the use of licensed spectral bands by smart unlicensed cognitive users that can exploit any opportunities that may exist in the form of temporal ...
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Implementation Cryptographic Algorithm in 4g LTE/SAE Networks
... Super-peer networks occupy the middle-ground between centralized and entirely symmetric P2P networks, and have the potential to combine the benefits of both centralized and distributed ...
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Characterization of Communication Mechanisms for Implantable Body Sensor Networks
... enables access to the physical layer for a hierarchical topology consisting of nodes communicating with master nodes, which in turn communicate with the mon- itoring ...node’s radio during beacon, uplink ...
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State of the Art, Channel Assignment Multi Radio Multi Channel in Wireless Mesh Network
... sub networks so that all the radios and links in MR–MCA in WMN are divided into separate sub networks so that they use each sub networks as a single ...
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