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研究生:泰森
研究生(外文):Mohammad Tahssen Abdullah Tala't
論文名稱:4G LTE基地台混合能源利用效率研究
論文名稱(外文):Hybrid Energy Utilization for Harvesting Base Station in 4G LTE
指導教授:余誌民
指導教授(外文):Chih Min Yu
學位類別:碩士
校院名稱:中華大學
系所名稱:電機工程學系碩士班
學門:工程學門
學類:電資工程學類
論文種類:學術論文
論文出版年:2015
畢業學年度:103
語文別:英文
論文頁數:81
中文關鍵詞:基站4G-LTE混合能量馬可夫決策過程
外文關鍵詞:Base station4G-LTEHybrid powerMarkov decision process
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在本文中,4G LTE 中採用基站(BS),它是由混合能量供給。混合能量由恆定能量源和太陽能收集器。為了最大限度地減少在基站中的能量恆定源的消耗電力,基於Markov決策過程(MDP)模型被使用。在該模型中,一個緩衝器發送了有限的傳輸時間間隔的數據包的給定數目。為了找到最佳的發射功率為每個時間間隔,MDP模型的迭代採用的是兩個實際場景。在第一種情況,所接收的太陽能收集器將不會,如果它是不夠的,在緩衝器中的分組來傳輸使用。在第二個方案,所接收的太陽能收集器將被立即使用。在這兩種情況下,計算結果表明,提出的MDP模型可以減少交流電源使用率高達50%。
In this thesis, the 4G LTE is adopted in base station (BS) and it is supplied by the hybrid energy. The hybrid energy consists of constant energy source and solar energy harvester. To minimize power consumption of the energy constant source in base station, Markov decision process (MDP) model is used. In this model, one buffer is transmitting a given number of data packets over finite transmission time intervals. To find the optimal transmit power for every time interval, the iterations of MDP model is used in two practical scenarios. In the first scenario, the received solar energy harvester will not be used if it is not enough to transmit the packets in the buffer. In the second scenario, the received solar energy harvester will be used immediately. In both scenarios, the numerical results indicate that proposed MDP model can reduce AC power usage up to 50%.
摘要…………………………………………………………………………...…………1

Abstract…..……….……….………….……….………….……….………….………….2

Acknowledgment…..……………………………………………………….…………....3

List of Abbreviations…....……………………………………………………………….4
Contents……… ….……………………………………… …………….…………..……5

List of figures…………………………………………………………………………….71.Introduction …………………………………………….……………………...….…….9
2. Hybrid Energy……… ….……………………………………… ……………………14

2.1 harvester energy ……… ….……………………………… ………………14

2.2 Green Energy Model……… ….……………………………. …….………16

2.3 The GEO (green energy optimization) ……… ….……………………...…19

3. Sleep Mode……… ….………………………….……………………………….……23

3.1. Sleep Mode in LTE……… ….………………………………….….…..…23

3.2. SLEEP MODE OPERATION IN IEEE 802.16E……… ………...………24

3.2. IEEE 802.16m Sleep Mode Operation ……… ….……………….………26

4. Markov decision process (MDP) ……… ….…………………………………………29

4.1. Definition…………………. ….…….………………………....…………29

4.2. Algorithms ….....………………………………….…….….…………….34

4.3. Exact Methods: Dynamic Programming …. ….…………….....…………35

4.3.1. Value iteration ……… ….………………… ……….……….36

4.3.2. Policy iteration……… ….……………………….…...…. .…37

5. System Model…..……….……….………….……….………….…………………....42

5.1. Hybrid Model…………………………………………….………42

5.2. MDP Model……………………………………………………...45

5.3. Practical scenario……………………………………..….……….46

6. Numerical Results…...........……….……….………….……….………….…...…….59

7. Conclusions….....……………….……….…………….…………….…………….…66

Future work….……….……………….……………….……………………….…...….67

Reference…….……………….……………….…………….……………….…….……68


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