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The Need for HetNets

Mobility management in HetNets: a learning based perspective

Mobility management in HetNets: a learning based perspective

... expansion; HetNets; Load balancing; Mobility management; Reinforcement learning; Context-aware scheduling 1 Introduction To cope with the wireless traffic demand within the next decade, operators are underlaying ...

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A Comparison of LTE Advanced HetNets and Wi-Fi

A Comparison of LTE Advanced HetNets and Wi-Fi

... Improvements to address mobility issues for Wi-Fi are currently under consideration, which should start becoming available to operators in the near future [2]. 4.2 Quality of Service QoS requirements need to be ...

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On Improving Data Rates of Users in LTE

HetNets

On Improving Data Rates of Users in LTE HetNets

... Optimal arrangement of Femtos with minimum overlapping regions is necessitated by the need to save the cost of deploying Femtos and reduce co-tier interference due to frequency reuse one in LTE HetNets. If ...

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Mobility management in HetNets: a learning-based perspective

Mobility management in HetNets: a learning-based perspective

... expansion; HetNets; Load balancing; Mobility management; Reinforcement learning; Context-aware scheduling 1 Introduction To cope with the wireless traffic demand within the next decade, operators are underlaying ...

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User Association Optimisation in HetNets: Algorithms and Performance

User Association Optimisation in HetNets: Algorithms and Performance

... in HetNets as a many-to-one matching game, where users and BSs evaluated each other based on well defined ...in HetNets was formulated as a college admission game with transfers, where a number of colleges, ...

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Interference management in LTE-based HetNets: a practical approach

Interference management in LTE-based HetNets: a practical approach

... 1 Centre Tecnol `ogic de Telecomunicacions de Catalunya (CTTC), Castelldefels (Barcelona), Spain 2 Department of Signal Theory and Communications, Universitat Polit `ecnica de Catalunya (UPC), Barcelona, Spain ABSTRACT ...

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On placement and dynamic power control of femtocells in LTE HetNets

On placement and dynamic power control of femtocells in LTE HetNets

... Fig. 1 shows the radio environmental map (REM) signal to noise ratio (SNR) for floor 1, where Z is the SNR value. Owing to the walls inside the building, the signal attenuates as the distance increases. Thus, the users ...

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A comparitive study on handover probability analysis for future HetNets

A comparitive study on handover probability analysis for future HetNets

... The need of wireless services increasing day by day due to the advancements in the field of wireless technology towards 5G for instant transferring the mails, messages and video calling without any ...among ...

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Impact of Mobility on Communication Latency and

Reliability in Dense HetNets

Impact of Mobility on Communication Latency and Reliability in Dense HetNets

... Many studies have been carried out to analyse the impact of handover parameters on mobility performance and proposed solutions to optimise handover to reduce HOFs and unnec- essary handovers [6]–[12]. By looking at ...

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Improving Frequency Reuse and Cochannel Interference Coordination in 4G HetNets

Improving Frequency Reuse and Cochannel Interference Coordination in 4G HetNets

... areas. The number at each UE represents the channel/code assigned to it. The arrow lines between UEs represent links (desired or interference links). It can be observed that the requirement of 8 channels is fulfilled by ...

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Spectral efficiency improvements in HetNets by exploiting device-to-device communications

Spectral efficiency improvements in HetNets by exploiting device-to-device communications

... With the spectral performance of the wireless link ap- proaching the theoretical limits due to present cellular wireless networks, researchers have been working on various aspects in the frame-work of LTE-Advanced to ...

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Energy efficiency improvements in HetNets by exploiting device-to-device communications

Energy efficiency improvements in HetNets by exploiting device-to-device communications

... the need of routing data via the cellular access network, resulting in lower transmit power and end-to-end delay, as well as freeing network ...no need for any backhaul because mobile devices engaged in D2D ...

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Spectral Efficiency Improvements in HetNets by Exploiting Device-to-Device Communications

Spectral Efficiency Improvements in HetNets by Exploiting Device-to-Device Communications

... With the spectral performance of the wireless link ap- proaching the theoretical limits due to present cellular wireless networks, researchers have been working on various aspects in the frame-work of LTE-Advanced to ...

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Balancing D2D Communication Relayed Traffic Offloading in Multi Tier HetNets

Balancing D2D Communication Relayed Traffic Offloading in Multi Tier HetNets

... [2]. HetNets are a solution to improve the performance of the networks ...of HetNets is an integration of different sizes of Small cells (SCs) such as Pico cell, femtocell, and relays to achieve higher data ...

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1.
													A brief overview of wireless cellular networks: lte hetnets perspective

1. A brief overview of wireless cellular networks: lte hetnets perspective

... BeamReach is a wireless broadband technology based on OFDM and beamforming. It uses TDD duplexed 1.25 MHz paired carriers. Spread spectrum is used to reduce interference over the 2.5 MHz carriers allowing a frequency ...

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User rate and power optimization for HetNets under Poisson cluster process

User rate and power optimization for HetNets under Poisson cluster process

... Fig. 6 The energy efficiency of a two-tier network as a function of the first-tier and the second-tier cooperative radius for PPP and PCP bound curves, and the optimal radius can be calculated approximately by applying ...

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Cell Coverage Area Information Service to Improve Cell Selection in HetNets

Cell Coverage Area Information Service to Improve Cell Selection in HetNets

... without need for scanning wide frequency bands, possibly occupied by different access ...indicates need for sharing of MNOs’ BS infrastructure and considering national roaming agreements, providing mobile ...

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Wireless Power Transfer in Massive MIMO-Aided HetNets With User Association

Wireless Power Transfer in Massive MIMO-Aided HetNets With User Association

... issues such as high circuit power consumption [7], which need to be addressed. The exceptional spatial selectivity of massive MIMO means that very sharp signal beams can be formed [19], [20] and of great ...

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Wireless Power Transfer in Massive MIMO-Aided HetNets with User Association

Wireless Power Transfer in Massive MIMO-Aided HetNets with User Association

... issues such as high circuit power consumption [7], which need to be addressed. The exceptional spatial selectivity of massive MIMO means that very sharp signal beams can be formed [19], [20] and of great ...

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Joint Optimization on Inter-cell Interference Management and User Attachment in LTE-A HetNets

Joint Optimization on Inter-cell Interference Management and User Attachment in LTE-A HetNets

... Email: [email protected] Abstract—To optimize the network utility in 3GPP Long Term Evolution-Advanced (LTE-A) heterogeneous networks (HetNets), it is necessary to jointly consider inter-cell interference ...

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