Wireless Communication System … for >. Basic System Design Describe some key features of your system...

Slides:

Advertisements

Similar presentations

GSC: Standardization Advancing Global Communications Evolution of TD-SCDMA China Communications Standards Association (CCSA) Chicago, May 29th to 2nd June,

Advertisements

CELLULAR COMMUNICATIONS. LTE Data Rate Requirements And Targets to LTE  reduced delays, in terms of both connection establishment and transmission.

CELLULAR COMMUNICATIONS 7. Multiple Access. Multiple Access  Radio spectrum is shared among number of transmissions  Uplink and downlink voice and data.

Multiple Access Techniques for wireless communication

David Waitt Kate Disney 2008 April Digitizing An Analog World.

Comparison of different MIMO-OFDM signal detectors for LTE

© 2004 Qualcomm Flarion Technologies 1 + Lessons Unlearned in Wireless Data Rajiv Laroia Qualcomm Flarion Technologies.

Lecture 13 – Evolution of Cellular Systems Introduction 1st Generation cellular systems 2nd Generation cellular systems 3rd Generation cellular systems.

Wireless Multiaccess Using CDMA1 Wireless Multiaccess Using Code Division Multiple Access Zartash Afzal Uzmi LUMS, Lahore. Pakistan April 18, 2003.

EE360: Lecture 12 Outline Cellular Systems Overview Design Considerations Access Techniques Cellular System Capacity Performance Enhancements Interference.

4. Cellular Systems: Multiple Access and Interference Management Fundamentals of Wireless Communication, Tse&Viswanath 1 4. Cellular Systems: Multiple.

Overview.  UMTS (Universal Mobile Telecommunication System) the third generation mobile communication systems.

[1][1][1][1] Lecture 1: Introduction to Wireless Communications May 25, Introduction to Algorithmic Wireless Communications David Amzallag.

#7 1 Victor S. Frost Dan F. Servey Distinguished Professor Electrical Engineering and Computer Science University of Kansas 2335 Irving Hill Dr. Lawrence,

CDMA X RTT Overview. Global 3G Evolution.

II. Medium Access & Cellular Standards. TDMA/FDMA/CDMA.

12- OFDM with Multiple Antennas. Multiple Antenna Systems (MIMO) TX RX Transmit Antennas Receive Antennas Different paths Two cases: 1.Array Gain: if.

Lecture 7: Channel capacity and multiplexing Anders Västberg

Cellular Mobile Communication Systems Lecture 5

Physical Layer (2). Goal Physical layer design goal: send out bits as fast as possible with acceptable low error ratio Goal of this lecture – Review some.

Orthogonal Frequency Division Multiple Access (OFDMA)

Investigation of the Advantages of TDSCDMA compared to WCDMA Thesis Presentation7 Nov 2006 Author:Wang Ying Supervisor:Prof. Sven-Gustav Häggman Instructor:M.Sc.

System parameters and performance CDMA-2000, W-CDMA (UMTS), GSM 900, WLAN a, WLAN b, Bluetooth. By Øystein Taskjelle.

網路多媒體研究所 1 WCDMA Technology Past, Present and Future Part II: CDMA Technology Overview.

Performance evaluation of adaptive sub-carrier allocation scheme for OFDMA Thesis presentation16th Jan 2007 Author:Li Xiao Supervisor: Professor Riku Jäntti.

Orthogonal frequency-division multiplexing

MAC Protocols In Sensor Networks.  MAC allows multiple users to share a common channel.  Conflict-free protocols ensure successful transmission. Channel.

NTUEE Confidential Toward MIMO MC-CDMA Speaker : Pei-Yun Tsai Advisor : Tzi-Dar Chiueh 2004/10/25.

Iterative Multi-user Detection for STBC DS-CDMA Systems in Rayleigh Fading Channels Derrick B. Mashwama And Emmanuel O. Bejide.

Wireless specifics. 2 A Wireless Communication System Antenna.

OFDM-IDMA Uplink Communication

MEDIUM ACCESS CONTROL Wireless channel is a shared medium MAC coordinates transmission between users sharing the spectrum Goals: prevent collisions while.

CDMA Code Division Multiple Access. is a channel access method

Motivation Wireless Communication Environment Noise Multipath (ISI!) Demands Multimedia applications  High rate Data communication  Reliability.

Spectral Efficiency of MC-CDMA: Linear and Non-Linear Receivers Aditya Gupta 11/05/2209.

Capacity & Interference in 3G. © Tallal Elshabrawy 2 SINR in CDMA Systems: Base Station-to-Mobile (Forward Link) MT 1 MT 2 MT j MT K Single cell with.

1 Orthogonal Frequency- Division Multiplexing (OFDM) Used in DSL, WLAN, DAB, WIMAX, 4G.

Some of the Existing Systems. Wired Communication – Telephone Company Dial-up – 56kbps DSL – Digital Subscriber Line – ADSL: Asymmetric DSL, different.

Wireless Multiple Access Multiple Simultaneous Connections By Dr. Larry Hash.

Physical layer continued. Limited Bandwidth Bandwidth is limited because of many reasons – The wire itself, if too long, is a capacitor and slows down.

EC 2401*** WIRELESS COMMUNICATION. Why Wireless Benefits – Mobility: Ability to communicate anywhere!! – Easier configuration, set up and lower installation.

Multiple Access Techniques for Wireless Communication

EE360 – Lecture 1 Outline Course Overview Potential Course Topics Broadcast Channels MAC Channels Duplexing FD, TD, and CD.

Data and Computer Communications Tenth Edition by William Stallings Data and Computer Communications, Tenth Edition by William Stallings, (c) Pearson Education.

FDMA Frequency Division Multiple Access M.S.P.V.L Polytechnic College, Pavoorchatram.

 Abbreviation of fourth generation wireless technology  It will provide a comprehensive IP solution where voice, data and multimedia can be given to.

GLOBAL SYSTEM FOR MOBILE COMMUNICATION

Korean Intellectual Property Office – ICU seminar Ha, Jeongseok March 7, 2007 School of Engineering, Information and Communications University Wideband-CDMA.

 First generation systems utilized frequency axis to separate users into different channels  Second generation systems added time axis to increase number.

Part III. Data Link Layer

Chapter 6: Spread-Spectrum Communications

Multiple Access Techniques for Wireless Communication

Advanced Wireless Communication Systems

Multiple Access Techniques for Wireless Communication

Outline Introduction Type of Multiplexing FDMA TDMA CDMA Future Work

244-6: Higher Generation Wireless Techniques and Networks

Fundamentals of Cellular and Wireless Networks

Fundamentals of Cellular and Wireless Networks

WIRELESS AND MOBILE COMMUNICATION

MIMO-OFDM Wireless Communications with MATLAB®

EE359 – Lecture 18 Outline Multiuser Systems Announcements

Multicarrier Communication and Cognitive Radio

Code Division Multiple Access(CDMA)

Probability of Error with Fading

Tutorial MHz GSM system is using FDD (frequency division duplex). Uplink channels are in the frequency band of 890.2MHz to 915MHz, and the downlink.

EE359 – Lecture 18 Outline Announcements Spread Spectrum

EE359 – Lecture 19 Outline Multiple Access

Physical Layer (2).

Presentation transcript:

Wireless Communication System … for >

Basic System Design Describe some key features of your system...

Duplex method How do you separate signals in up and downlink? Time Division Duplex Frequency Division Duplex –frequency separation

Frequency reuse / etiquette Cellular or non-cellular? –Cell sizes? Cluster size, …. Centralised frequency assignment, decentralised, random access,..

The uplink Full in those parameters that you deem relevant for discussion User bit rate: xyz kbit/s Channel symbol rate: Transmit bandwidth: Frequency band: Modulation method (OFDM, DS-CDMA) –parameters: FFT size, spreading factor, Multi-user detection? Multiple access method Diversity method –none / antenna / time / frequency: which spacing? Transmit power

The downlink User bit rate: xyz kbit/s Channel symbol rate: Transmit bandwidth: Frequency band: Modulation method (OFDM, DS-CDMA) –parameters: FFT size, spreading factor, rake size Diversity method –none / antenna / time / frequency: which spacing? Transmit power

Technologies Mention specific components of the system, for instance FFT for OFDM, rake for CDMA Do you need a linear power amplifier?

Data format Fill in (only) if you have had time to think about it # of user bits per packet # of overhead bits per packet –addressing –synchronization –CRC error corrections guard times