'Constellation diagram' presentation slideshows

HANDBOOK ON GREEN INFORMATION AND COMMUNICATION SYSTEMS

Chapter 15 Energy Efficient MIMO-OFDM Systems. HANDBOOK ON GREEN INFORMATION AND COMMUNICATION SYSTEMS. Zimran Rafique and Boon-Chong Seet Auckland University of Technology New Zealand. Table of Contents. INTRODUCTION.

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Chapter 5

Chapter 5. Analog Transmission. 5.1 Modulation of Digital Data. Digital-to-Analog Conversion Amplitude Shift Keying (ASK) Frequency Shift Keying (FSK) Phase Shift Keying (PSK) Quadrature Amplitude Modulation Bit/Baud Comparison. Figure 5.1 Digital-to-analog modulation.

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Network Operations & administration CS 4592 Lecture 13

Network Operations & administration CS 4592 Lecture 13. Instructor: Ibrahim Tariq. Data Link Layer. Error Correction. By retransmission flow and error control protocols Forward Error Correction (FEC) require more redundancy bits should locate the invalid bit or bits

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Outline

Outline. PCM (Pulse Coded Modulation). Nyquist rate: Sampling rate (f s ) ? 2 f max sinyal analog Atau Sampling rate (f s ) ? 2 bandwidth sinyal analog Untuk voice, f s = 8 kHz (perioda sampling = 125 m s) (bandwidht kanal telepon = 4 kHz). Sampling. (Note: untuk CD digunakan

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Outline

Outline. PCM (Pulse Coded Modulation). Nyquist rate: Sampling rate (f s ) ? 2 f max sinyal analog Atau Sampling rate (f s ) ? 2 bandwidth sinyal analog Untuk voice, f s = 8 kHz (perioda sampling = 125 m s) (bandwidht kanal telepon = 4 kHz). Sampling. (Note: untuk CD digunakan

512 views • 48 slides

ECE 4331, Fall, 2009

ECE 4331, Fall, 2009. Zhu Han Department of Electrical and Computer Engineering Class 20 Nov. 3 rd , 2009. Outline. Digital Carrier Systems Carrier band vs. baseband Baud rate, bit rate, bandwidth efficiency Spectrum Gray coding Coherent, noncoherent receiver BER Comparison

686 views • 33 slides

Pass band data transmission

Pass band data transmission. In digital pass band data transmission the transmitted data bits are modulated onto a carrier There are three basic signaling schemes used in pass band these are Amplitude shift keying (ASK), the data bits modulates the amplitude of the carrier.

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An Overview of Indoor OFDM/DMT Optical Wireless Communication Systems

An Overview of Indoor OFDM/DMT Optical Wireless Communication Systems. Speaker: Shao- Ci Jheng Advisor: Dr. Ho-Ting Wu 2013/12/23. Outline. Background Introduction Optical Wireless OFDM Techniques Half-wave symmetry OFDM techniques DC-biased OFDM techniques Results Conclusions

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Project: IEEE P802.15 Working Group for Wireless Personal Area Networks (WPANs)

Project: IEEE P802.15 Working Group for Wireless Personal Area Networks (WPANs) Submission Title: Contribution for CSK R elated Comments Date Submitted: May 2010 Source: Soo -Young Chang, CSUS Address: Contact Information: 530 574 2741 [sychang@ecs.csus.edu] Re :

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EE 445S Real-Time Digital Signal Processing Lab Fall 2013

EE 445S Real-Time Digital Signal Processing Lab Fall 2013. Additional recitation slides for Lab 6 Quadrature Amplitude Modulation (QAM) Debarati Kundu. Additional Constellation diagrams. Quadrature Phase Shift-Keying (QPSK) Phase Shift Keying: 8-state Phase Shift-Keying (8-PSK)

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Evaluation of BER in LTE System using Various Modulation Techniques over different Modulation Schemes

Wireless communication is one of the mainly active areas of tools progress and has become an ever more essential and prominent part of everyday life. Simulation of wireless channels accurately is very important for the intend and performance evaluation of wireless communication systems and components. We evaluated the act of available transmission modes in LTE. However, performance analysis can be done straightforward using evaluation of LTE. The performance of transmission modes are evaluated by calculating probability of Bit Error Rate BER versus Signal Noise Ratio SNR under the frequently used three wireless channel models AWGN, Rayleigh and Rician . We will consider the data modulation and data rate to analyze performance that is BER vs. SNR. A comparative analysis of QPSK and 16QAM, 32 QAM and 64 QAM will also provide knowledge base which helps for application development in real world. Parvesh Kumar | Shalini Bhadola | Kirti Bhatia "Evaluation of BER in LTE System using Various Modulation Techniques over different Modulation Schemes" Published in International Journal of Trend in Scientific Research and Development (ijtsrd), ISSN: 2456-6470, Volume-3 | Issue-3 , April 2019, URL: https://www.ijtsrd.com/papers/ijtsrd23315.pdf Paper URL: https://www.ijtsrd.com/engineering/computer-engineering/23315/evaluation-of-ber-in-lte-system-using-various-modulation-techniques-over-different-modulation-schemes/parvesh-kumar

67 views • 5 slides