The IRMA Community
Newsletters
Research IRM
Click a keyword to search titles using our InfoSci-OnDemand powered search:
|
Geometric Programming Based Resource Allocation for 5G High-Speed Mobile Networks
Abstract
The high-speed railway (HSR) is a typical application case in 5G systems. Mobile relay stations (MRSs) which are mounted in a high-speed train (HST) is popular system architecture for high-speed mobile communications. However, sharing spectrums between the macro cell and the MRS cell, interference exists in this hybrid system. In this chapter, we investigate the downlink of a multi-cellular decode and forward (DF) relayed orthogonal frequency division multiple access (OFDMA) system and formulate the problem to maximize the system sum rate of all cells subject to a total power constraint and a new proposed time delay constraint. An effective resource allocation scheme combined by greedy sub-carriers allocation and geometric programming (GP) based power allocation algorithm is proposed to optimize subcarrier allocation and power allocation. Numerical experiments verify that the proposed resource allocation scheme outperforms the other traditional approaches and the necessity of introducing the time delay constraint.
Related Content
|
Tushar, Nandita Pradhan, Pooja Jaiswal.
© 2025.
54 pages.
|
|
Sarthak Bisht, Tia Mittal, Karan Bhambhani, T. Y. J. Naga Malleswari.
© 2025.
16 pages.
|
|
Anup Raju Vasistha, Chandramouli H. Mahadevaswamy, Solomon H. Ebenuwa, Augustine O. Nwajana.
© 2025.
16 pages.
|
|
Smrity Dwivedi.
© 2025.
28 pages.
|
|
W. Aldrin Joan Pandian, Palak Mangal, D. Lakshmi, I. Jasmine Selvakumari Jeya.
© 2025.
40 pages.
|
|
Moyinoluwalogo Mayowa, Richard I. Otuka, Nemitari Ajienka, Augustine O. Nwajana.
© 2025.
52 pages.
|
|
Rahul Koshti.
© 2025.
24 pages.
|
|
|