A Novel Weighted Clustering Algorithm Supported by a Distributed Architecture for D2D Enabled Content-Centric Networks
Abstract
:1. Introduction
- A distributed architecture is proposed that is effectively supported by hash functions to identify the socially connected users. This is in contrast to the majority of the published works on D2D multicasting that do not consider distributed architecture along with content-identification.
- A novel multifactor weighted clustering has been proposed. The performance of the proposed algorithm is shown to be superior compared to five benchmarked algorithms. In addition, the weights of the algorithm can be adjusted to suit the system’s requirements. This flexibility in trading off the performance with respect to various parameters is not available for existing algorithms.
- The benchmarked algorithms are tested for throughput fairness which has not been reported in the literature on clustering. Moreover, different from the existing works, the impact of the number of clusters on the energy consumption and area spectral efficiency is also demonstrated.
- To the best of the author’s knowledge, reported work in the literature considers either the spatial distribution of users or users’ social ties for their respective clustering algorithms. We propose to include both to make the clustering process comprehensive and evaluate its impact on the system’s performance.
2. Related Work
3. Proposed Distributed Architecture and Clustering Algorithm
3.1. Content Identification Using Hash Functions
3.2. The Proposed Clustering Algorithm
3.2.1. Weighted Clustering Approach
3.2.2. Device Discovery
3.2.3. Clustering Metrics
- The Distance among the Nodes
- 2.
- Channel Conditions
3.2.4. Cluster Head Selection
3.2.5. Feature Scaling for the Clustering Metric
3.2.6. Fuzzy Optimization of Clustering
3.2.7. Communication
4. System Model and Simulation Setup
4.1. Mathematical Models for Performance Parameters
4.1.1. Achievable Rates for Cluster Head and Cluster Members
4.1.2. Energy Model
4.2. Simulation Setup
5. Results and Discussion
5.1. Impact of Clustering and Social-Interest
- Clustered D2D users with no interest factor
- Clustered D2D users with interest factor
5.2. Benchmarking against Existing Algorithms
5.2.1. Throughput Comparison
5.2.2. Energy Consumption of Users
5.2.3. Area Spectral Efficiency
5.3. The Optimal Number of Clusters
5.4. Throughput Fairness
5.5. The Trade-Off among Different Performance Parameters
6. Conclusions
Author Contributions
Funding
Acknowledgments
Conflicts of Interest
References
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Research | Year | Distributed Architecture | Performance Parameters | |||
---|---|---|---|---|---|---|
Throughput | Energy Consumption | ASE (Area Spectral Efficiency) | Fairness | |||
Asadi et al. [34] | 2016 | × | ✓ | ✓ | × | ✓ |
Zhang et al. [35] | 2017 | × | × | ✓ | × | × |
Yang et al. [12] | 2018 | × | × | ✓ | × | × |
Huang et al. [36] | 2018 | × | ✓ | × | × | × |
Rahman et al. [37] | 2018 | × | × | ✓ | × | × |
Pizzi et al. [38] | 2019 | × | ✓ | × | × | × |
Aslam et al. [13] | 2019 | × | ✓ | ✓ | ✓ | × |
Shi et al. [39] | 2019 | × | × | ✓ | × | × |
Wu et al. [40] | 2019 | × | ✓ | × | × | × |
Wang et al. [41] | 2019 | × | × | × | ✓ | × |
Zhou et al. [42] | 2020 | × | × | ✓ | ✓ | × |
Our Proposal | 2020 | ✓ | ✓ | ✓ | ✓ | ✓ |
Symbol | Representation |
---|---|
Set comprises of all the users | |
Index of cluster member | |
Cluster Head | |
Achievable Rate of when receiving the contents from the Base Station (BS) | |
Signal-to-Noise Ratio of a | |
Noise Spectral Density | |
Bandwidth of the Transmission Channel | |
Channel Gain between the BS and the | |
Transmit Power of the BS | |
Achievable Rate of cluster member | |
Channel Gain between the cluster member and | |
Transmit Power of the | |
File Size (size of the demanded content) | |
Power consumed by the CH to receive the contents from BS | |
Power consumed by the cluster member to receive the content from cluster head (CH) |
Parameters | Value |
---|---|
Simulation Platform | MATLAB |
Channel Model | Rayleigh Distributed |
User Placement | Uniformly Distributed |
Node Density | 100 to 1000 |
Cluster Size | Variable |
Number of Clusters | Variable |
Transmit Power of CH | 1.425 Joules/s |
Power required to receive data from BS | 1.8 Joules/s |
Power required to receive data from CH | 0.925 Joules/s |
Content Considered | A file of size 100 kBits |
Classical benchmarked Schemes | K-Medoids (KM), Genetic Algorithm (GA) and Fuzzy C-Means (FCM) |
State-of-the-art benchmarked Schemes | Proposed in [69]. (referred in this document as benchmarked I) Proposed in [70]. (referred in this document as benchmarked II) |
Number of Simulation Runs | 10,000 |
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Aslam, S.; Alam, F.; Hasan, S.F.; Rashid, M. A Novel Weighted Clustering Algorithm Supported by a Distributed Architecture for D2D Enabled Content-Centric Networks. Sensors 2020, 20, 5509. https://doi.org/10.3390/s20195509
Aslam S, Alam F, Hasan SF, Rashid M. A Novel Weighted Clustering Algorithm Supported by a Distributed Architecture for D2D Enabled Content-Centric Networks. Sensors. 2020; 20(19):5509. https://doi.org/10.3390/s20195509
Chicago/Turabian StyleAslam, Saad, Fakhrul Alam, Syed Faraz Hasan, and Mohammad Rashid. 2020. "A Novel Weighted Clustering Algorithm Supported by a Distributed Architecture for D2D Enabled Content-Centric Networks" Sensors 20, no. 19: 5509. https://doi.org/10.3390/s20195509
APA StyleAslam, S., Alam, F., Hasan, S. F., & Rashid, M. (2020). A Novel Weighted Clustering Algorithm Supported by a Distributed Architecture for D2D Enabled Content-Centric Networks. Sensors, 20(19), 5509. https://doi.org/10.3390/s20195509