无线通信原理(双语)第一讲考试必备
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2016/6/5 2
Course Information
Reference books:
1)Theodore S. Rappaport. Wireless Communications Principles and Practice (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
2016/6/5
5
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 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: largeand small-scale effects, multipath, path loss, lognormal shadowing, empirical path loss models：
General Research Areas:
Cellular
Systems (Wireless Wide Area Networks or WWANs)
Satellite
Systems (skip)
Wireless Local Area Networks (WLANs) Metropolitan Area Networks (WMANs) Personal Area Networks(WPANs)
Wireless Communication relies on radio signals, including x-rays, ultraviolet light, the visible spectrum, infrared, microwaves, and radio waves.
f C
The equation related to the speed of light：
The speed of lightC ; carrier frequency f ; wavelength ;
2016/6/5
9
Cellular Network Basics: Frequency Range
Cellular Network Basics: Frequency Range
Cell phones operate in this frequency range, UHF = Ultra High Frequency (generally near 2GHz)
2016/6/5 11
1.2 Current Wireless Systems
2016/6/5
6
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 spreБайду номын сангаасd, Doppler Frequency Shift, and Doppler Frequency Spread, Parameters of Mobile Multipath Channels 5）Multiple Access Techniques for Wireless Communications (ch.9) 知识点：Multiple access techniques: FDMA, TDMA, CDMA, ALOHA, Slotted ALOHA, CSMA
2016/6/5
7
Six Main contents in the course within 32 hours
6）Wireless Networking (ch.10) —知识点： Convergence of wireless and Internet : Broadband communications，the 4G Technology, The basic network architecture of the LTE system, The physical layer transmission techniques of 4G standards(MIMO, OFDM)
Emerging Areas
• Wireless Sensor Networks • 3.9G (LTE), 4G (LTE-a),,et al
Coverage (range) Area, …
Key techniques in 4G like
• • OFDM, and Multi-carrier MIMO(Multi-Input Multi-Output )
WWANs covers a country; 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); 4G …
Key : Frequency Reuse (use lower power transmitters per cell and shrink cell size, so that frequencies can be reused more often)
2016/6/5
16
1.3 Mobile communication networks
2016/6/5 15
The Cellular Concept The big breakthrough came when AT&T Labs researchers divided wireless communications into a series of cells. High capacity with limited radio spectrum Goal: Increase capacity while minimizing interference
2016/6/5
8
1.1 A definition of wireless communication
Wireless communication : the transfer of information over a distance without the use of electrical conductors or "wires".
2016/6/5
4
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 ratio(SNR), receiver sensitivity，Effects of Wireless Channels, Some Features of Wireless Channels, related abbreviation(缩略词).
IEEE 802.22(proposed), et al
• Cognitive and Software Defined Radio,
2016/6/5
14
Wireless Communications System Definitions (pp:10,Table 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 simultaneous two-way communication. Handoff Mobile station MSC: Mobile Switching Center Page,Roamer Subscriber, Transceiver Simplex system and et al. FDD TDD
12
Wireless Wireless
2016/6/5
Classification of wireless networks
（Referred to Kaustubh Phases, UPPSALA Uni.）
2016/6/5
13
Emerging Research Areas and Techniques
Wireless Communications Principles（bilingual course）
Lecture 1: Introduction to Wireless Communications
gaohq@njupt.edu.cn
2016/6/5
1
Course Information
• • • • 32 class hours in all Content Objective of the course Assumed knowledge: Some knowledge about communication theory and probability. • Completion mode: Exam 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.
Six Main contents in the course within 32 hours
1）Introduction to Wireless Communications (ch.1,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, selected)
Course Information
Reference books:
1)Theodore S. Rappaport. Wireless Communications Principles and Practice (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
2016/6/5
5
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 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: largeand small-scale effects, multipath, path loss, lognormal shadowing, empirical path loss models：
General Research Areas:
Cellular
Systems (Wireless Wide Area Networks or WWANs)
Satellite
Systems (skip)
Wireless Local Area Networks (WLANs) Metropolitan Area Networks (WMANs) Personal Area Networks(WPANs)
Wireless Communication relies on radio signals, including x-rays, ultraviolet light, the visible spectrum, infrared, microwaves, and radio waves.
f C
The equation related to the speed of light：
The speed of lightC ; carrier frequency f ; wavelength ;
2016/6/5
9
Cellular Network Basics: Frequency Range
Cellular Network Basics: Frequency Range
Cell phones operate in this frequency range, UHF = Ultra High Frequency (generally near 2GHz)
2016/6/5 11
1.2 Current Wireless Systems
2016/6/5
6
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 spreБайду номын сангаасd, Doppler Frequency Shift, and Doppler Frequency Spread, Parameters of Mobile Multipath Channels 5）Multiple Access Techniques for Wireless Communications (ch.9) 知识点：Multiple access techniques: FDMA, TDMA, CDMA, ALOHA, Slotted ALOHA, CSMA
2016/6/5
7
Six Main contents in the course within 32 hours
6）Wireless Networking (ch.10) —知识点： Convergence of wireless and Internet : Broadband communications，the 4G Technology, The basic network architecture of the LTE system, The physical layer transmission techniques of 4G standards(MIMO, OFDM)
Emerging Areas
• Wireless Sensor Networks • 3.9G (LTE), 4G (LTE-a),,et al
Coverage (range) Area, …
Key techniques in 4G like
• • OFDM, and Multi-carrier MIMO(Multi-Input Multi-Output )
WWANs covers a country; 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); 4G …
Key : Frequency Reuse (use lower power transmitters per cell and shrink cell size, so that frequencies can be reused more often)
2016/6/5
16
1.3 Mobile communication networks
2016/6/5 15
The Cellular Concept The big breakthrough came when AT&T Labs researchers divided wireless communications into a series of cells. High capacity with limited radio spectrum Goal: Increase capacity while minimizing interference
2016/6/5
8
1.1 A definition of wireless communication
Wireless communication : the transfer of information over a distance without the use of electrical conductors or "wires".
2016/6/5
4
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 ratio(SNR), receiver sensitivity，Effects of Wireless Channels, Some Features of Wireless Channels, related abbreviation(缩略词).
IEEE 802.22(proposed), et al
• Cognitive and Software Defined Radio,
2016/6/5
14
Wireless Communications System Definitions (pp:10,Table 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 simultaneous two-way communication. Handoff Mobile station MSC: Mobile Switching Center Page,Roamer Subscriber, Transceiver Simplex system and et al. FDD TDD
12
Wireless Wireless
2016/6/5
Classification of wireless networks
（Referred to Kaustubh Phases, UPPSALA Uni.）
2016/6/5
13
Emerging Research Areas and Techniques
Wireless Communications Principles（bilingual course）
Lecture 1: Introduction to Wireless Communications
gaohq@njupt.edu.cn
2016/6/5
1
Course Information
• • • • 32 class hours in all Content Objective of the course Assumed knowledge: Some knowledge about communication theory and probability. • Completion mode: Exam 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.
Six Main contents in the course within 32 hours
1）Introduction to Wireless Communications (ch.1,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, selected)