【摘要】：隨著移動(dòng)互聯(lián)網(wǎng)業(yè)務(wù)的飛速發(fā)展和終端設(shè)備的智能化,用戶對(duì)于數(shù)據(jù)速率提出了更高的要求。LTE-Advanced作為第四代移動(dòng)通信系統(tǒng)的主要技術(shù)標(biāo)準(zhǔn),增加了載波聚合,增強(qiáng)MIMIO,多點(diǎn)協(xié)作傳輸,中繼技術(shù)等多項(xiàng)關(guān)鍵技術(shù)來(lái)滿足用戶對(duì)數(shù)據(jù)速率的需求。載波聚合技術(shù)可以同時(shí)使用多個(gè)不同帶寬的載波分量來(lái)提供更大的傳輸帶寬,更高的數(shù)據(jù)速率和更低的時(shí)延,從而提供更好的用戶體驗(yàn)。本文以LTE-Advanced網(wǎng)絡(luò)為基礎(chǔ),重點(diǎn)研究載波聚合環(huán)境中無(wú)線資源管理方法,包括成員載波選擇算法和RB分配算法。論文首先闡述了LTE-Advanced網(wǎng)絡(luò)架構(gòu)及其新增關(guān)鍵技術(shù),重點(diǎn)介紹了載波聚合的技術(shù)特點(diǎn),包括載波聚合的原理,聚合方式和部署應(yīng)用場(chǎng)景。接著介紹了LTE-Advanced網(wǎng)絡(luò)中無(wú)線資源管理方法和FemtoCell相關(guān)技術(shù),以及FemtoCell技術(shù)對(duì)現(xiàn)有LTE-Advanced網(wǎng)絡(luò)的影響。其次,論文針對(duì)雙層網(wǎng)絡(luò)部署的技術(shù)特點(diǎn),提出了一種FemtoCell網(wǎng)絡(luò)中基于動(dòng)態(tài)分組的成員載波選擇算法。算法充分考慮成員載波之間干擾和鄰區(qū)的干擾,設(shè)計(jì)相應(yīng)的求解算法,運(yùn)用LTE-Sim開(kāi)源軟件開(kāi)展仿真實(shí)驗(yàn),分析算法的有效性和可行性。仿真結(jié)果表明,所提算法在一定程度上能夠提高成員載波選擇的效率。最后,論文進(jìn)一步研究無(wú)線資源管理方法,提出了一種改進(jìn)的RB資源分配算法,算法通過(guò)增加約束條件,將問(wèn)題轉(zhuǎn)化為整數(shù)線性規(guī)劃問(wèn)題。論文從算法復(fù)雜度,公平性等方面分析算法的可行性。通過(guò)和現(xiàn)有資源分配算法進(jìn)行仿真對(duì)比,進(jìn)一步驗(yàn)證算法的有效性。仿真結(jié)果表明,所提方案提高了系統(tǒng)性能和資源利用效率。
[Abstract]:With the rapid development of mobile Internet service and the intelligence of terminal equipment, users put forward higher requirements for data rate. As the main technical standard of the fourth generation mobile communication system, LTE-Advanced increases carrier aggregation and enhances MIMIO,. Multi-point cooperative transmission, relay technology and other key technologies to meet the needs of users for data rates. Carrier aggregation technology can provide greater transmission bandwidth, higher data rate and lower delay by using multiple carrier components of different bandwidth at the same time, thus providing a better user experience. Based on LTE-Advanced network, this paper focuses on the wireless resource management methods in carrier aggregation environment, including member carrier selection algorithm and RB allocation algorithm. In this paper, the architecture of LTE-Advanced network and its new key technologies are introduced firstly, and the technical characteristics of carrier aggregation, including the principle of carrier aggregation, the aggregation mode and the deployment application scenario, are emphatically introduced. Then it introduces the wireless resource management method and FemtoCell related technology in LTE-Advanced network, as well as the influence of FemtoCell technology on the existing LTE-Advanced network. Secondly, according to the technical characteristics of two-layer network deployment, this paper proposes a member carrier selection algorithm based on dynamic packet in FemtoCell network. The algorithm fully considers the interference between the member carriers and the adjacent region, designs the corresponding solution algorithm, carries out the simulation experiment with LTE-Sim open source software, and analyzes the validity and feasibility of the algorithm. Simulation results show that the proposed algorithm can improve the efficiency of carrier selection to some extent. Finally, the paper further studies the wireless resource management method, and proposes an improved RB resource allocation algorithm. By adding constraints, the algorithm transforms the problem into an integer linear programming problem. In this paper, the feasibility of the algorithm is analyzed from the aspects of complexity, fairness and so on. Through the simulation comparison with the existing resource allocation algorithm, the effectiveness of the algorithm is further verified. Simulation results show that the proposed scheme improves the system performance and resource utilization efficiency.
【學(xué)位授予單位】：南京郵電大學(xué)
【學(xué)位級(jí)別】：碩士
【學(xué)位授予年份】：2017
【分類號(hào)】：TN929.5

【參考文獻(xiàn)】

相關(guān)期刊論文 前6條

1 邵廣祿;張濤;李軼群;;中國(guó)聯(lián)通LTE載波聚合演進(jìn)及部署方案[J];郵電設(shè)計(jì)技術(shù);2016年09期

2 韓瀟;范斌;;面向5成員載波以上的載波聚合技術(shù)標(biāo)準(zhǔn)化進(jìn)展[J];郵電設(shè)計(jì)技術(shù);2016年09期

3 金勇;方志林;;載波聚合技術(shù)在4G+網(wǎng)絡(luò)中的應(yīng)用研究[J];電視技術(shù);2016年09期

4 肖清華;;載波聚合技術(shù)及系統(tǒng)影響研究[J];移動(dòng)通信;2016年11期

5 吳梅;黃帆;桑林;楊大成;;協(xié)作式多點(diǎn)傳輸在LTE-Advanced系統(tǒng)中的應(yīng)用[J];移動(dòng)通信;2010年10期

6 林輝;;4G LTE-Advanced技術(shù)標(biāo)準(zhǔn)[J];電信網(wǎng)技術(shù);2010年05期

相關(guān)博士學(xué)位論文 前3條

1 劉淑慧;LTE及Macrocell/Femtocell雙層網(wǎng)絡(luò)無(wú)線資源管理的研究[D];北京郵電大學(xué);2012年

2 陳力;B3G/4G系統(tǒng)中的無(wú)線資源分配的研究[D];北京郵電大學(xué);2012年

3 張磊;無(wú)線載波聚合系統(tǒng)性能分析與優(yōu)化[D];北京郵電大學(xué);2011年

相關(guān)碩士學(xué)位論文 前2條

1 魏立堯;LTE-Advanced系統(tǒng)異構(gòu)網(wǎng)絡(luò)無(wú)線資源管理研究[D];北京郵電大學(xué);2014年

2 張麗娟;LTE-Advanced中機(jī)會(huì)載波聚合技術(shù)的研究[D];南京郵電大學(xué);2013年

，

本文編號(hào)：2438030