| Author | Arkom Srivaranon |
| Call Number | AIT RSPR no.TC-09-07 |
| Subject(s) | Spectrum analysis--Noise
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| Note | A research study submitted in partial fulfillment of the requirements for the degree of Master of Engineering in Telecommunications, School of Engineering and Technology |
| Publisher | Asian Institute of Technology |
| Series Statement | Research studies project report ; no. TC-09-07 |
| Abstract | This research study investigates noise margin improvement on Dynamic Spectrum Management (DSM) level-1 in DMT-based DSL systems. It is known that iterative water-filling algorithm, which is one of the algorithms in DSM level-1, can increase both data rates and service areas of DSL lines. However, the algorithm also has a number of drawbacks. One important drawback is the reduction in noise margin in DSL lines. In this research, an alternative power allocation algorithm, called the margin-maximization algorithm, is proposed to improve the noise margin for the multi-user power allocation problem in a frequency-selective interference channel. The proposed algorithm is based on fixed-rate margin maximization, and is shown to provide a better noise margin compared to the conventional iterative water-filling algorithm. |
| Year | 2009 |
| Corresponding Series Added Entry | Asian Institute of Technology. Research studies project report ; no. TC-09-07 |
| Type | Research Study Project Report (RSPR) |
| School | School of Engineering and Technology (SET) |
| Department | Department of Information and Communications Technologies (DICT) |
| Academic Program/FoS | Telecommunications (TC) |
| Chairperson(s) | Poompat Saengudomlert |
| Examination Committee(s) | Rajatheva, R. M. A. P.;Ahmed, Kazi M. |
| Scholarship Donor(s) | RTG Fellowship |
| Degree | Research studies project report (M.Eng.) - Asian Institute of Technology, 2009 |