【資料名稱(chēng)】：LTE Technology and TEMS Products

【資料作者】：Ascom

【資料日期】：2009

【資料語(yǔ)言】：英文

【資料格式】：PDF

【資料目錄和簡(jiǎn)介】：

一篇很不錯(cuò)的LTE介紹性質(zhì)的報(bào)告，對(duì)于LTE系統(tǒng)容量，信噪比SINR的計(jì)算給出了一些簡(jiǎn)單的公式幫助大家理解，對(duì)于終端的速率峰值等也有相關(guān)的描述。

最值得稱(chēng)道的地方時(shí)這篇文章中的圖非常好，例如在闡述上行OFDMA和下行SC-FDMA，用非常生動(dòng)形象的圖對(duì)于兩者的概念和區(qū)別進(jìn)行了說(shuō)明，讓讀者一目了然，這在中文的資料中很難找到。希望對(duì)大家有所幫助�。�


1. Overview
2. Achieving High Bit Rates
2.1. Shannon’s Channel Capacity Limit
2.2. Using Higher-order Modulation
2.3. Using Higher Bandwidths
2.4. Improving C/I
2.5. Spatial Multiplexing
2.6. Bit Rate Increase Using Some LTE Techniques
2.7. Other Considerations

3. The LTE Radio Access Technology
3.1. Downlink Radio Access: OFDMA
3.1.1. Time-domain Structure of OFDMA
3.1.2. Keeping Symbols Apart: The Cyclic Prefix
3.1.3. Signaling Overhead in the Downlink
3.2. Uplink Radio Access: SC-FDMA
3.2.1. Signaling Overhead in the Uplink
3.3. Multi-antenna Technologies
3.3.1. Pre-coding
3.3.2. Feedback of Channel State Information
3.3.3. Open-loop vs. Closed-loop Spatial Multiplexing
3.3.4. The Bottom Line
3.4. Bandwidth Flexibility
3.4.1. Terminal Capabilities
3.5. FDD and TDD Harmonization
3.6. Scheduling

4. General Comments on LTE Radio Network Planning
4.1. Antenna Configuration
4.2. Power
4.3. Signal-to-interference Ratio

5. Using the TEMS CellPlanner LTE Module for Accurate Radio Network Planning
5.1. Load-based Downlink Predictions
5.2. Traffic-based Predictions
5.3. Statistics
5.4. Cell Capacity
5.5. Inter-cell Interference Coordination
5.6. Other Aspects

6. Using TEMS Investigation for LTE Radio Network Tuning

7. Conclusion

8. Abbreviations and Acronyms

9. References.................................................................29