scholarly journals A Reciprocal-Selection-Based ‘Win–Win’ Overlay Spectrum-Sharing Scheme for Device-to-Device-Enabled Cellular Network

Algorithms ◽  
2018 ◽  
Vol 11 (11) ◽  
pp. 179
Author(s):  
Peng Li ◽  
Chenchen Shu ◽  
Jiao Feng
Keyword(s):  
Resource Sharing ◽  
Spectrum Sharing ◽  
Stackelberg Game ◽  
Base Station ◽  
Cooperative Transmission ◽  
Matching Theory ◽  
Spectrum Efficiency ◽  
Cell Edge ◽  
Sharing Scheme ◽  
Device To Device

This paper proposes a reciprocal-selection-based ‘Win–Win’ overlay spectrum-sharing scheme for device-to-Device-enabled cellular networks to address the resource sharing between Device-to-Device devices and the cellular users by using an overlay approach. Based on the proposed scheme, the cell edge users intend to lease part of its spectrum resource to Device-to-Device transmission pairs. However, the Device-to-Device users have to provide the cooperative transmission assistance for the cell edge users in order to improve the Quality of Service of the uplink transmission from the cell edge users to the base station. Compared to the underlay spectrum-sharing scheme, overlay spectrum-sharing scheme may reduce spectrum efficiency. Hence, Non-Orthogonal Multiple Access technology is invoked at the Device-to-Device transmitter in order to improve the spectrum efficiency. The Stackelberg game is exploited to model the behaviours of the cell edge users and Device-to-Device devices. Moreover, based on matching theory, the cell edge users and Device-to-Device pairs form one-to-one matching and the stability of matching is analysed. The simulation results show that the proposed reciprocal-selection-based ‘Win–Win’ overlay spectrum-sharing scheme is capable of providing considerable rate improvements for both EUs and D2D pairs and reducing transmit power dissipated by the D2D transmitter to forward data for the EU compared with the existing methods.

Spectrum Sharing Scheme for Multi-UAVs Relay Network Based on Matching Theory

2019 ◽  
pp. 84-92
Author(s):  
Jingmin Zhang ◽  
Xiaomin Liu ◽  
Lixin Li ◽  
Fucheng Yang ◽  
Qi Dong ◽  
...  
Keyword(s):  
Spectrum Sharing ◽  
Matching Theory ◽  
Relay Network ◽  
Sharing Scheme

scholarly journals A Power-Domain NOMA Inspired Overlay Spectrum Sharing Scheme

2018 ◽  
Author(s):  
Fazlul Kader
Keyword(s):  
Spectrum Sharing ◽  
Multiple Access ◽  
Spectrum Efficiency ◽  
User Needs ◽  
Sum Capacity ◽  
Closed Form Solutions ◽  
Sharing Scheme ◽  
Power Domain ◽  
Cooperative Spectrum Sharing ◽  
Capacity Gain

Non-orthogonal multiple access (NOMA) and cooperative spectrum sharing (CSS) are integrated into this work to enhance both spectrum efficiency and utilization. An overlay spectrum sharing is proposed by exploiting NOMA in coordinated direct and relay transmission (CDRT) (termed as CSS-NOMA-CDRT). In CSS-NOMA-CDRT, a primary strong NOMA user is directly served by primary transmitter (PT), whereas a primary NOMA weak user needs the assistance of a relay to communicate with PT. Instead of using a dedicated relay, a secondary transmitter (ST) acts as a relay to forward the primary symbol to NOMA weak user and ST transmits own symbol to its receiver at the same time. The performance of the proposed CSS-NOMA-CDRT is evaluated along with closed-form solutions, in terms of ergodic sum capacity and outage probability. Through the analytical and Monte Carlo simulation results, it is demonstrated that CSS-NOMA-CDRT can obtain remarkable capacity gain as compared to the conventional NOMA-based CDRT.

scholarly journals Power Control for Full-Duplex Device-to-Device Underlaid Cellular Networks: A Stackelberg Game Approach

Complexity ◽  
2020 ◽  
Vol 2020 ◽  
pp. 1-12
Author(s):  
Zhen Yang ◽  
Titi Liu ◽  
Guobin Chen
Keyword(s):  
Resource Allocation ◽  
Power Control ◽  
Spectrum Sharing ◽  
Stackelberg Game ◽  
Full Duplex ◽  
System Throughput ◽  
Analysis Tool ◽  
Spectrum Utilization ◽  
Dual Decomposition ◽  
Device To Device

In spectrum sharing cognitive radio networks, unauthorized users (secondary users) are allowed to use the spectrum of authorized users (primary users) to improve spectrum utilization. Due to limited spectrum resources, how to formulate a reasonable spectrum allocation scheme is very important. As a mathematical analysis tool, game theory can solve the problem of resource allocation well. In recent years, it has been applied to the research of resource allocation in spectrum sharing networks by some literatures. In a cellular network consisting of multiple cellular users and full-duplex end-to-end communication users D2D (device-to-device), the self-interference caused by full-duplex communication and the interference caused by the D2D users to the cellular users will significantly reduce system throughput. In order to reduce the interference in the network, this paper introduces a power control algorithm based on Stackelberg game, which sets the cellular users and D2D users as the leaders and followers, respectively. The cellular users and the D2D users compete with each other to minimize the cost, and we propose new utility functions. We build an optimization problem under the outage probability constraint and power constraint and the transmission power of the users is obtained by using the Lagrangian dual decomposition method. The simulation results show that the proposed game algorithm improves network performance compared with other existing schemes.

scholarly journals Exploiting outage performance in device-to-device for user grouping

2021 ◽  
Vol 24 (2) ◽  
pp. 904
Author(s):  
Dinh-Thuan Do ◽  
Chi-Bao Le
Keyword(s):  
System Performance ◽  
Multiple Access ◽  
Base Station ◽  
Spectrum Efficiency ◽  
Frame Structure ◽  
Outage Performance ◽  
User Grouping ◽  
Numerical Result ◽  
Device To Device ◽  
New Form

The spectrum efficiency and massive connections are joint designed in new form of device-to-device for user grouping. A pair of users is implemented with nonorthogonal multiple access (NOMA) systems. Although NOMA benefits to such system in term of the serving users, device to device (D2D) faces the interference from normal cellular users (CUE). In particular, we derive exact formulas of outage probability to show system performance. In this article, we compare two schemes to find relevant scheme to implement in practice. The frame structure is designed with two timeslot related to uplink and downlink between the base station and D2D users. We confirm the better scheme in numerical result by considering the impacts of many parameters on outage performance.

Design and Measurement Results for Cooperative Device to Device Communication

2017 ◽  
pp. 81-97
Author(s):  
Naveen Gupta ◽  
Vivek Ashok Bohara ◽  
Vibhutesh Kumar Singh
Keyword(s):  
Software Defined Radio ◽  
Spectrum Sharing ◽  
Signal To Noise Ratio ◽  
Base Station ◽  
D2d Communication ◽  
Direct Transmission ◽  
Signal To Noise ◽  
Measurement Results ◽  
Device To Device ◽  
Experimental Testbed

In this chapter, the authors present the simulation and measurement results for direct and single hop device-to-device (D2D) communication protocols. The measurement results will further argument the development of D2D communication and will also help in understanding some of the intricate design issues which were overlooked during theoretical or computer simulations. The measurements were taken on a proof-of-concept experimental testbed by emulating a cellular scenario in which a Base station (BS) and many D2D enabled devices coordinate and communicate with each other to select an optimum communication range, transmit parameters, etc. A testbed (Multi-carrier) was developed using Software Defined radio which incorporates the concept of Spectrum Sharing through static sub-carrier allocation to D2D user by cellular system which will eventually enhance the performance of cellular as well as D2D communication system. Our purposed and deployed protocol have shown significant improvement in received Signal to Noise Ratio (SNR) as compared to conventional direct transmission schemes.

scholarly journals Game-Theoretic Social-Aware Resource Allocation for Device-to-Device Communications Underlaying Cellular Network

2018 ◽  
Vol 2018 ◽  
pp. 1-12
Author(s):  
Lei Wang ◽  
Can Li ◽  
Yanbin Zhang ◽  
Guan Gui
Keyword(s):  
Resource Allocation ◽  
Utility Function ◽  
Spectrum Sharing ◽  
Cellular Network ◽  
Transmission Rate ◽  
Spectrum Efficiency ◽  
Theoretical Point ◽  
Allocation Scheme ◽  
Device To Device ◽  
Resource Allocation Scheme

Device-to-Device communication underlaying cellular network can increase the spectrum efficiency due to direct proximity communication and frequency reuse. However, such performance improvement is influenced by the power interference caused by spectrum sharing and social characteristics in each social community jointly. In this investigation, we present a dynamic game theory with complete information based D2D resource allocation scheme for D2D communication underlaying cellular network. In this resource allocation method, we quantify both the rate influence from the power interference caused by the D2D transmitter to cellular users and rate enhancement brought by the social relationships between mobile users. Then, the utility function maximization game is formulated to optimize the overall transmission rate performance of the network, which synthetically measures the final influence from both power interference and sociality enhancement. Simultaneously, we discuss the Nash Equilibrium of the proposed utility function maximization game from a theoretical point of view and further put forward a utility priority searching algorithm based resource allocation scheme. Simulation results show that our proposed scheme attains better performance compared with the other two advanced proposals.

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