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1、2020/10/19,1,Wireless Communications Principles（bilingual course） Lecture 1: Introduction to Wireless Communications,2020/10/19,2,Course Information,32 class hours in all Content Objective of the course Assumed knowledge: Some knowledge about communication theory and probability. Completion mode: Ex
2、am and exercises. All exams have English questions. Evaluation of the course: Exam (worth 70-80%) + Exercises (worth 30-20%) At least 5 exercises and/or homeworks must be submitted to qualify for this course.,Reference books: 1)Theodore S. Rappaport. Wireless Communications Principles and Practice (
3、2nd Edition).电子工业出版社，2004年版 2)Theodore S. Rappaport著， 周文安等译. 无线通信原理与应用.电子工业出版社，2006年版 3) 张业荣，竺南直，陈勇蜂窝移动通信网络规划与优化北京:电子工业出版社，2003 4) 酷哥尔. 实战无线通信应知应会新手入门，老手温故. 北京：人民邮电出版社，2010,Course Information,2020/10/19,4,Six Main contents in the course within 32 hours,1）Introduction to Wireless Communications (ch.1
4、,ch.2,selected ch11) 2）The Cellular Concept: System Design Fundamentals(ch.3) 3）Mobile Radio Propagation: Large-Scale Path Loss(ch.4) 4）Mobile Radio Propagation: Small-Scale Fading and Multipath (ch.5) 5）Multiple Access Techniques for Wireless Communications (ch.9) 6）Wireless Networking (ch.10, sele
5、cted),2020/10/19,5,2020/10/19,5,Six Main contents in the course within 32 hours,1）Introduction to Wireless Communications (ch.1,ch.2,selected ch11) 知识点：Frequency Range in Cellular Network，Wireless Communication System Definitions，the Generation of Cellular Networks, Channel Capacity，signal to noise
6、ratio(SNR), receiver sensitivity，Effects of Wireless Channels, Some Features of Wireless Channels, related abbreviation(缩略词).,2020/10/19,6,Six Main contents in the course within 32 hours,2） The Cellular Concept: System Design Fundamentals(ch.3) 知识点： frequency reuse, handoff, interference and system
7、capacity, sectorization, cell splitting, spectral efficiency, trunking and grade of service 3）Mobile Radio Propagation: Large-Scale Path Loss(ch.4) 知识点：Introduction to radio propagation: large- and small-scale effects, multipath, path loss, log-normal shadowing, empirical path loss models：,2020/10/1
8、9,7,2020/10/19,7,2020/10/19,7,Six Main contents in the course within 32 hours,4） Mobile Radio Propagation: Small-Scale Fading and Multipath (ch.5) 知识点： Small-Scale fading, time delay spread, Doppler Frequency Shift, and Doppler Frequency Spread, Parameters of Mobile Multipath Channels 5）Multiple Acc
9、ess Techniques for Wireless Communications (ch.9) 知识点：Multiple access techniques: FDMA, TDMA, CDMA, ALOHA, Slotted ALOHA, CSMA,2020/10/19,8,2020/10/19,8,2020/10/19,8,2020/10/19,8,Six Main contents in the course within 32 hours,6）Wireless Networking (ch.10) 知识点：Convergence of wireless and Internet :
10、Broadband communications，the 4G Technology, The basic network architecture of the LTE system, The physical layer transmission techniques of 4G standards(MIMO, OFDM),2020/10/19,9,Wireless communication : the transfer of information over a distance without the use of electrical conductors or wires. Wi
11、reless Communication relies on radio signals, including x-rays, ultraviolet light, the visible spectrum, infrared, microwaves, and radio waves. The equation related to the speed of light： The speed of light ; carrier frequency ; wavelength ;,1.1 A definition of wireless communication,Cellular Networ
12、k Basics: Frequency Range,2020/10/19,11,Cell phones operate in this frequency range, UHF = Ultra High Frequency (generally near 2GHz),Cellular Network Basics: Frequency Range,2020/10/19,12,General Research Areas: Cellular Systems (Wireless Wide Area Networks or WWANs) Satellite Systems (skip) Wirele
13、ss Local Area Networks (WLANs) Wireless Metropolitan Area Networks (WMANs) Wireless Personal Area Networks(WPANs),1.2Current Wireless Systems,2020/10/19,13,Classification of wireless networks（Referred to Kaustubh Phases, UPPSALA Uni.）,2020/10/19,14,Emerging Research Areas and Techniques,Emerging Are
14、as Wireless Sensor Networks 3.9G (LTE), 4G (LTE-a),et al Key techniques in 4G like OFDM, and Multi-carrier MIMO(Multi-Input Multi-Output ) Cognitive and Software Defined Radio, IEEE 802.22(proposed), et al,Coverage (range) Area, ,2020/10/19,15,Wireless Communications System Definitions (pp:10,Table
15、1.4),Base Station Control channel :vital for initiating, re-questing, or paging a call Forward channel: from BS to the mobile (also Subscriber) Reverse channel: from the mobile to BS Half-duplex systems allowing two-way communication by using the same radio channel Full-duplex systems allowing simul
16、taneous two-way communication. Handoff Mobile station MSC: Mobile Switching Center Page,Roamer Subscriber, Transceiver Simplex system and et al. FDD TDD,2020/10/19,16,The big breakthrough came when AT typically interconnecting several WMANs and providing anywhere, anytime access It is useful to think of cellular Network/telephony in terms of generations: 1G: Analog cellular telephony; 2G: Digital cellular telephony ; 3G: High-speed digital cellular telephony (including video telephony);
