60GHz毫米波無線局域網(wǎng)的組網(wǎng)架構(gòu)研究
發(fā)布時間：2018-11-02 19:08
【摘要】：伴隨多媒體應(yīng)用的發(fā)展,無線低頻頻段資源已無法滿足在傳輸速率和信號帶寬方面不斷增加的需求。這幾年來,各國相繼開放了60GHz頻率附近大于5GHz頻寬的免許可頻帶,使實(shí)現(xiàn)Gbit/s級速率的60GHz超高速無線通信系統(tǒng)傳輸受到學(xué)術(shù)界和工業(yè)界的廣泛關(guān)注。隨著各種研究的不斷深入以及IEEE 802.11ad等相關(guān)協(xié)議標(biāo)準(zhǔn)的制定,60GHz毫米波通信成為了未來無線通信的熱點(diǎn)方向。60GHz無線通信有傳統(tǒng)低頻段通信不具備的抗干擾性、高安全性、高傳輸速率和高帶寬等優(yōu)點(diǎn)。但由于其毫米波頻段的物理特性,又具有傳輸損耗大、易被遮擋、方向性強(qiáng)等特點(diǎn),造成60GHz毫米波組網(wǎng)的研究面臨不小的問題和挑戰(zhàn)。因而,如何建立一個高效、可靠的60GHz毫米波無線通信網(wǎng)絡(luò),仍然是需要探討和解決的問題。針對于此,本文主要依據(jù)60GHz毫米波的特點(diǎn)和研究現(xiàn)狀以及當(dāng)前分層異構(gòu)網(wǎng)絡(luò)的相關(guān)研究和應(yīng)用,提出了一種基于分層異構(gòu)的60GHz毫米波IEEE 802.11無線局域網(wǎng)組網(wǎng)架構(gòu),核心是將傳統(tǒng)的控制和業(yè)務(wù)信息在同一網(wǎng)絡(luò)中傳輸?shù)耐瑯?gòu)網(wǎng)絡(luò),改變成將控制與業(yè)務(wù)信息分離的分層異構(gòu)網(wǎng)絡(luò)。即將網(wǎng)絡(luò)分為控制子網(wǎng)和業(yè)務(wù)子網(wǎng),分別在5GHz頻段和60GHz頻段工作,由于傳輸數(shù)據(jù)的性質(zhì)和作用不同,其覆蓋的方式和范圍、具體參照的IEEE 802.11協(xié)議、底層技術(shù)都不相同。在實(shí)現(xiàn)有機(jī)分離的同時,引入了分層異構(gòu)管理子層的概念,使得兩網(wǎng)又能夠有機(jī)配合。本文對此架構(gòu)做了詳細(xì)的描述,并且研究了與實(shí)現(xiàn)本架構(gòu)相關(guān)的協(xié)議及技術(shù)。最后,本文通過OPNET網(wǎng)絡(luò)仿真工具構(gòu)建網(wǎng)絡(luò)場景模型,分別仿真了60GHz分層異構(gòu)網(wǎng)絡(luò)與同構(gòu)網(wǎng)絡(luò),仿真結(jié)果表明采用分層異構(gòu)網(wǎng)絡(luò)模型可以明顯改善系統(tǒng)的性能,其更適用于60GHz毫米波的組網(wǎng),這對今后的60GHz毫米波通信網(wǎng)絡(luò)領(lǐng)域相關(guān)研究提供了一定的參考價(jià)值。
[Abstract]:With the development of multimedia applications, wireless low frequency band resources can not meet the increasing demand of transmission rate and signal bandwidth. In recent years, many countries have opened up the passage-free frequency band which is larger than the 5GHz frequency band near the 60GHz frequency, which makes the transmission of 60GHz ultra-high speed wireless communication system with Gbit/s rate widely concerned by academia and industry. With the deepening of various research and the formulation of IEEE 802.11ad and other related protocol standards, 60GHz millimeter wave communication has become the hot direction of future wireless communication. 60GHz wireless communication has anti-interference and high security, which traditional low-frequency communication does not have. High transmission rate and high bandwidth and other advantages. However, due to the physical characteristics of the millimeter wave band, the transmission loss is large, easy to be blocked, strong directionality and so on, so the research of 60GHz millimeter wave network is faced with many problems and challenges. Therefore, how to establish an efficient and reliable 60GHz millimeter wave wireless communication network is still a problem to be discussed and solved. In view of this, according to the characteristic and research status of 60GHz millimeter wave and the related research and application of current layered heterogeneous network, this paper proposes a 60GHz millimeter wave IEEE 802.11 WLAN network architecture based on layered heterogeneity. The core is to change the traditional control and service information transmission in the same network isomorphic network into a hierarchical heterogeneous network which separates control and service information. The network is divided into control subnet and service subnet, which work in 5GHz band and 60GHz band respectively. Because of the different nature and function of transmitting data, the way and scope of its coverage and the specific reference IEEE 802.11 protocol, the underlying technology are different. At the same time, the concept of hierarchical and heterogeneous management sub-layer is introduced, which enables the two networks to cooperate organically. This paper describes the architecture in detail, and studies the protocols and technologies related to the implementation of this architecture. Finally, this paper constructs the network scene model by OPNET network simulation tool, and simulates the 60GHz layered heterogeneous network and isomorphic network respectively. The simulation results show that using the layered heterogeneous network model can obviously improve the performance of the system. It is more suitable for the networking of 60GHz millimeter wave, which provides a certain reference value for the related research of 60GHz millimeter wave communication network in the future.
【學(xué)位授予單位】：西安電子科技大學(xué)
【學(xué)位級別】：碩士
【學(xué)位授予年份】：2014
【分類號】：TN925.93
本文編號：2306695
[Abstract]:With the development of multimedia applications, wireless low frequency band resources can not meet the increasing demand of transmission rate and signal bandwidth. In recent years, many countries have opened up the passage-free frequency band which is larger than the 5GHz frequency band near the 60GHz frequency, which makes the transmission of 60GHz ultra-high speed wireless communication system with Gbit/s rate widely concerned by academia and industry. With the deepening of various research and the formulation of IEEE 802.11ad and other related protocol standards, 60GHz millimeter wave communication has become the hot direction of future wireless communication. 60GHz wireless communication has anti-interference and high security, which traditional low-frequency communication does not have. High transmission rate and high bandwidth and other advantages. However, due to the physical characteristics of the millimeter wave band, the transmission loss is large, easy to be blocked, strong directionality and so on, so the research of 60GHz millimeter wave network is faced with many problems and challenges. Therefore, how to establish an efficient and reliable 60GHz millimeter wave wireless communication network is still a problem to be discussed and solved. In view of this, according to the characteristic and research status of 60GHz millimeter wave and the related research and application of current layered heterogeneous network, this paper proposes a 60GHz millimeter wave IEEE 802.11 WLAN network architecture based on layered heterogeneity. The core is to change the traditional control and service information transmission in the same network isomorphic network into a hierarchical heterogeneous network which separates control and service information. The network is divided into control subnet and service subnet, which work in 5GHz band and 60GHz band respectively. Because of the different nature and function of transmitting data, the way and scope of its coverage and the specific reference IEEE 802.11 protocol, the underlying technology are different. At the same time, the concept of hierarchical and heterogeneous management sub-layer is introduced, which enables the two networks to cooperate organically. This paper describes the architecture in detail, and studies the protocols and technologies related to the implementation of this architecture. Finally, this paper constructs the network scene model by OPNET network simulation tool, and simulates the 60GHz layered heterogeneous network and isomorphic network respectively. The simulation results show that using the layered heterogeneous network model can obviously improve the performance of the system. It is more suitable for the networking of 60GHz millimeter wave, which provides a certain reference value for the related research of 60GHz millimeter wave communication network in the future.
【學(xué)位授予單位】：西安電子科技大學(xué)
【學(xué)位級別】：碩士
【學(xué)位授予年份】：2014
【分類號】：TN925.93
【參考文獻(xiàn)】
相關(guān)碩士學(xué)位論文 前1條
1 李妍;無線局域網(wǎng)MAC層協(xié)議研究與改進(jìn)[D];北京郵電大學(xué);2008年
，本文編號：2306695
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