Optimal Selection of Cyclic-prefix and Sub-carrier for OFDM Signal in Mobile Satellite Communications Channel
- https://doi.org/10.2991/iccia.2012.135How to use a DOI?
- mobile satellite communication, OFDM, CP length, sub-carrier bandwidth
Adapted parameters of OFDM signals can bring performance improvement in mobile satellite communications. This paper firstly analyzes the effect of cyclic-prefix (CP) length and sub-carrier bandwidth on system interference and capacity. This effect can be described by a formula which consists of system capacity, CP length and sub-carrier bandwidth. Then using this formula, a method to select the optimal parameters is given. In the end, a numerical calculation is performed to figure out the optimal parameters, considering the multipath delay spread and Doppler spread in satellite channel. It comes up that in satellite channel the CP is not very effective to improve the system performance and a wider sub-carrier bandwidth is desired.
- © 2013, the Authors. Published by Atlantis Press.
- Open Access
- This is an open access article distributed under the CC BY-NC license (http://creativecommons.org/licenses/by-nc/4.0/).
Cite this article
TY - CONF AU - Bin Li AU - Wei Zheng AU - Shubo Ren AU - Jianjun Wu PY - 2014/05 DA - 2014/05 TI - Optimal Selection of Cyclic-prefix and Sub-carrier for OFDM Signal in Mobile Satellite Communications Channel BT - Proceedings of the 2012 2nd International Conference on Computer and Information Application (ICCIA 2012) PB - Atlantis Press SP - 558 EP - 561 SN - 1951-6851 UR - https://doi.org/10.2991/iccia.2012.135 DO - https://doi.org/10.2991/iccia.2012.135 ID - Li2014/05 ER -