|
|
- 2015
两状态LMS信道中LMS系统的近似中断性能研究
|
Abstract:
针对通用的两状态陆地移动卫星(LMS)信道模型中，每一状态的Loo分布包含无限范围内的积分且不存在闭合形式，导致性能估计难以实现的问题，基于两状态信道模型给出等增益合并分集LMS系统中断概率的闭式解。利用Taylor级数展开法将包络的概率密度函数(PDF)近似为Rice分布PDF的加权和，利用Beaulieu序列法推导独立信道随机变量和的累积分布函数和二阶矩，得出系统中断概率的闭式解。仿真结果表明，近似中断概率与理论值十分一致，具有精确性、灵活性、复杂度低的优点。
| [1] | POLAK L, KRATOCHVIL T. DVB-SH-A transmission in Gaussian and mobile fading channels[C]//Proceedings of the ELMAR. Zadar, YUG: IEEE, 2011: 265-268. [2] ALAMANAC A B, BURZIGOTTI P, COHEN M, et al. Performance validation of the DVB-SH standard for satellite/terrestrial hybrid mobile broadcasting networks[J]. IEEE Transactions on Broadcasting, 2011, 57(4): 802-825. [3] HUTTL O, KRATOCHVIL T. Comparison of channel coding used in DVB-T/H and DVB-SH standard of digital television broadcasting[C]//21st International Conference on Radioelektronika. Brno, Czech Republic: IEEE, 2011: 1-4. [4] LOO C. A statistical model for a land mobile satellite link [J]. IEEE Transactions on Vehicular Technology, 1985, 34(3): 122-127. [5] BURZIGOTTI P, CERDEIRA R P, ALAMANAC A B, et al. DVB-SH analysis using a multi-state land mobile satellite channel model[C]//4th Advanced Satellite Mobile Systems. Bologna, Italy: IEEE, 2008: 149-155. [6] MILOJEVIC M, HAARDT M, EBERLEIN E, et al. Channel modeling for multiple satellite broadcasting systems[J]. IEEE Transactions on Broadcasting, 2009, 55(4): 705-718. [7] CERDEIRA R P, FONTAN F P, BURZIGOTTIP, et al. Versatile two-state land mobile satellite channel model with first application to DVB-SH analysis[J]. International Journal of Satellite Communications and Networking, 2010, 28(5-6): 291-315. [8] ARNDT D, HEYN T, KONIG J, et al. Extended two-state narrowband LMS propagation model for S-band [C]//Proceedings of IEEE International Symposium on Broadband Multimedia Systems and Broadcasting (BMSB). Seoul, Korea: IEEE, 2012: 1-6. [9] ABDI A, LAU W C, ALOUINI M S, et al. A new simple model for land mobile satellite channels: First-and second-order statistics[J]. IEEE Transactions on Wireless Communications, 2003, 2(3): 519-528. [10] BITHAS P S, MATHIOPOULOS P T, KOTSOPOULOS S A. Diversity reception over generalized-K (KG) fading channels[J]. IEEE Transactions on Wireless Communications, 2007, 6(12): 4238-4243. [11] BITHAS P S. Weibull-gamma composite distribution: alternative multipath/shadowing fading model[J]. Electronics Letters, 2009, 45(14): 749-751. [12] LAOURINE A, ALOUINI M S, AFFES S, et al. On the performance analysis of composite multipath/ shadowing channels using the G-distribution[J]. IEEE Transactions on Communications, 2009, 57(4): 1162-1170. [13] SAMIMI H. Approximate outage analysis of land mobile satellite systems in lognormally shadowed rician channels [J]. Wireless Personal Communications, 2011, 61(2): 477-490. [14] SAMIMI H. Performance analysis of land mobile satellite communication systems with equal-gain combining over shadowed-rice fading channels[J]. Wireless Personal Communications, 2012, 63(3): 645-654. [15] FONTAN F P, CASTRO M A V, BUONOMO S, et al. S-band LMS propagation channel behavior for different environments, degrees of shadowing and elevation angles [J]. IEEE Transactions on Broadcasting, 1998, 44(1): 40- 76. [16] BEAULIEU N C. An infinite series for the computation of the complementary probability distribution function of a sum of independent random variables and its application to the sum of Rayleigh random variables[J]. IEEE Transactions on Communications, 1990, 38(9): 1463- 1474. [17] MHEARAIN F N, SELLATHURAI M, FONTAN F P. An enhanced statistical model for the dual polarized MIMO land mobile satellite channel[C]//8th European Conference on Antennas and Propagation (EuCAP). Hague, Netherland: IEEE, 2014: 3031-3035. [18] LIOLIS K P, VILARDEBO J G, CASINI E, et al. Statistical modeling of dual-polarized MIMO land mobile satellite channels[J]. IEEE Transactions on Communications, 2010, 58(11): 3077-3083. |
