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multi-radio access networks

Deterministic blind 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] ...

17

Weighted sum rate maximization for multi user SIMO multiple access channels in cognitive radio networks

Weighted sum rate maximization for multi user SIMO multiple access channels in cognitive radio networks

... the multi-user single input multiple output multiple access channel (MU-SIMO MAC) system with concurrent access within a cognitive radio (CR) ...

15

Selective sensing and transmission for multi channel cognitive radio networks

Selective sensing and transmission for multi channel cognitive radio networks

... so, SU needs a sensing strategy to decide which chan- nels should be detected first. Furthermore, none of these works study the magnitude of sensing period, which also affects the design of sensing and access ...

16

Energy efficiency of compressed spectrum sensing in wideband cognitive radio networks

Energy efficiency of compressed spectrum sensing in wideband cognitive radio networks

... (called multi-step and one- step) to recover the signal by wavelet approach [5] and then developed the signal recovery idea and performed the distributed compressive spectrum sensing in the co- operative ...

11

A Novel Multi-radio Rendezvous Algorithm for Cognitive Radio Networks

A Novel Multi-radio Rendezvous Algorithm for Cognitive Radio Networks

... Cognitive Radio Networks (CRN) provide a platform for addressing the under utilization of the licensed spectra through a variety of Dynamic Spectrum Access (DSA) ...to access licensed Primary ...

10

Modeling and performance analysis for mobile cognitive radio cellular networks

Modeling and performance analysis for mobile cognitive radio cellular networks

... spectrum access performance in the presence of inter-cell handoff ...cognitive radio multi-cellular system, both inter- cell handoff rate and forced termination probability of SUs are ...cognitive ...

27

Routing Approaches for Cognitive Radio Ad hoc Networks and Challenges

Routing Approaches for Cognitive Radio Ad hoc Networks and Challenges

... Cognitive radio networks (CRNs) are composed of cognitive devices capable of changing their configurations on Real time, based on the spectrum ...spectrum access level attaches to an increased ...

6

Spectrum Sensing and Multiple Access Schemes for Cognitive Radio Networks

Spectrum Sensing and Multiple Access Schemes for Cognitive Radio Networks

... Chapter 5 reviews several important Game Theory (GT) concepts and links their application to wireless communications systems by means of some practical examples. Specifically, the topics of non-cooperative games and Nash ...

218

Energy efficient radio over fiber system for next generation cloud radio access networks

Energy efficient radio over fiber system for next generation cloud radio access networks

... Cloud radio access network; CD: Chromatic dispersion CW: Continuous wave; CO: Coherent optical CO-OFDM: Coherent optical OFDM; CoMP: Co-operative multi-point; CPRI: Common public radio ...

8

A new network slicing framework for multi-tenant heterogeneous cloud radio access networks

A new network slicing framework for multi-tenant heterogeneous cloud radio access networks

... In a C-RAN, the baseband units (BBUs) of all remote radio heads (RRHs) are centralized at a single BBU pool via optical fronthaul links. In this architecture, the upper-layer baseband functions are carried out by ...

7

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

... better access to the medium whenever they have data to ...for access to the medium on the assigned channel is ...medium access and hence, the network ...

25

Multi-radio access network assignment using dynamic programming

Multi-radio access network assignment using dynamic programming

... multiple radio access technologies with different propagation characteristics, allowing to serve both the close-by and farther away users to optimise the user data rate ...

6

Efficiency gains in 5G softwarised radio access networks

Efficiency gains in 5G softwarised radio access networks

... wireless access demands as a function of time for the measurements described in [27] is shown in ...wireless access requirements are then mapped to BBU processing requirements using the analysis presented ...

11

Resource allocation and interference management for multi layer wireless networks in heterogeneous cognitive networks

Resource allocation and interference management for multi layer wireless networks in heterogeneous cognitive networks

... nitive radio network, small cell network, wireless local area network, WiMAX, and LTE network will promote the next generation network communication technology to achieve greater ...

12

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

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

... We used the parameters given in Table 2 when train- ing the PST and in the simulation setup. For comparison, we used a scheme from the literature called the HMM technique given in [17] for predicting the channel state in ...

15

Power Efficient Transciever Designs in Mimocognitive Radio Network Using LMS Algorithm

Power Efficient Transciever Designs in Mimocognitive Radio Network Using LMS Algorithm

... The QoS of the cognitive radio network is ensured by SINR maximisation at the transmitter side by using the MMSE beamformer which is a deterministic beamforming algorithm. MMSE technique minimizes the error with ...

5

5G: A Layman’s Digest

5G: A Layman’s Digest

... 5G networks are not only physical layer transmission technologies and channel encoding but also considering more extensive breakthroughs such as multi-points, multi-users, massive MIMO (Multiple ...

6

Maximum Utility Function Approach for Detection of Primary User Emulation Attack in Cognitive Radio Networks

Maximum Utility Function Approach for Detection of Primary User Emulation Attack in Cognitive Radio Networks

... Cognitive Radio (CR) has been widely adopted as a promising technology to overcome the spectrum scarcity by authorizing CR users to operate opportunistically in the free space of the licensed frequency bands in ...

5

Towards realisation of spectrum sharing of cognitive radio networks

Towards realisation of spectrum sharing of cognitive radio networks

... CRNs are prone to emerging coexistence security threats such as PUEA. Specifically, a malicious CRN may mimic PUs signal characteristics to force another CRN to vacate its channels thinking that PUs have returned. While ...

183

Radio Access Network and Spectrum Sharing in Future Mobile Networks

Radio Access Network and Spectrum Sharing in Future Mobile Networks

... Cesana, Evaluating the performan e of infrastru ture sharing in mobile radio networks, in IEEE International Conferen e on Communi ations.. Sung, Te hni al rate of substitution of spe tr[r] ...

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