寬頻無線通道模型及模擬之研究

Study in Broadband Wireless Channel Modeling and Simulation

陳豐進(Feng-Chin Chen)

指導教授 ： 林大衛

國立交通大學/電機學院/電子工程系所/碩士(2010年)

https://doi.org/10.6842/NCTU.2010.00103

摘要

3GPP 長期演進技術 (Long Term Evolution)是近來廣受注目的4G 行動通訊
的規格系統。但是發展通訊規格技術之前，首要目的便是如何能準確地去模擬通
道間各種情況，而 3GPP SCM 通道規格和WINNER 通道模擬計畫便此而產生。
本篇論文主要探討WINNER 通道模擬技術之研究。首先我們將一一介紹各
種常見於通訊技術中的通道模型，其中包括了Jakes、AR、SCM 以及WINNER 通
道等模型。由於WINNER 通道的發展初衷便是針對4Ｇ的環境作設定，所以我
們更著重於對WINNER 通道的研究。但是WINNER 通道的運算複雜度相當
高，這會對未來我們實現於數位訊號處理器（DSP）中時，造成極大的硬體負荷
及運算時間；所以我們利用多項式內插法大量減少其複雜度而模擬效果卻不會相
差太多，再者我們也利用AR 模型去討論WINNER 通道的特性，以便將來能實
際應用在DSP 上。
在系統整合上，我們將先前由學長姐所完成各部份的Ｃ程式做一個連接；將
來，我們便能夠做整個系統的簡單模擬；另外在數位訊號處理器（DSP）上的系
統，我們也增加了對上層 (MAC) 的溝通介面。
最後，由於WINNER 通道模型是能夠做多傳多收的通道模擬，所以我們也
特別針對此利用WINNER 通道去探討該情況下，通道之間相互影響的主要原因
及影響程度。

關鍵字

無線通道模擬

並列摘要

3GPP Long Term Evolution is popular standard of 4G mobile communication
technique. But before develop any kinds of communication technique, we must be
confirm the channel simulation environment and how to actual modeling channel
condition. And the 3GPP SCM standard and WINNER channel model were
developed by this purpose.
In this thesis, we first present four kinds of popular channel model which were
Jakes, SCM, WINNER and Autoregressive (AR) model. We focus on discuss the
WINNER channel model, because it was developed by more actual 4G channel
environment and could be simulted for twelve secnario. But we realize it would cost a
lot of simultion time and complex to generate WINNER channel coefficients. So we
discuss the approximation technique to reduce its complex, and we also discuss its
statistical properties using the AR model.
In system application part, we combined the different block code in IEEE 802.16e
PHY layer, in order to fast simulate and verify their code in total system. Besides, we
make the simple connection between PHY layer and MAC layer.
In other application part, we discuss the reason to affect channel spatial correlation
by the WINNER channel.

並列關鍵字

LTE Channel Model

參考文獻

[3] P. Dent, G.E. Bottomley and T. Croft, “Jakes’ fading model revisited”, Electronics

[4] 3GPP TR 25.996 V6.1.0, 3rd Generation Partnership Project; Technical Specication

6). September 2003.

of SCM, SCME, and WINNER channel models, IEEE 65th Veh. Technol. Conf.,

April 2007, pp. 413–417.