Digital communication transceiver design

Assignment Help Electrical Engineering

Reference no: EM132356851

Topic: SDR Principles & 16-QAM Simulator Using MATLAB/Simulink

Learning Outcomes

1. Analyse building blocks of broadband digital transceivers and the role of noise in SDR.
2. Apply knowledge of multirate signal processing, transmission and recovery.
3. Comprehend and compare MIMO and OFDM theories.

Purpose of the assessment:

The purpose of this assignment is to motivate students to seek to understand the modern thinking in digital communication transceiver design, which software-defined radio (SDR), and the principles behind it. The assignment has two parts: Part A and Part B.

Part A:

Every student has to watch the weekly YouTube video on SDR posted on the unit's forum at Moodle site. The student has to formulate one technically-interesting question from the content of the video and post it to the forum for discussions with other students. It is not allowed to post the same question posted by another student. That would be plagiarism. Also, each week every student has to respond to at least one question posted by another student. Students are expected to answer another student's questions so that co-operatively every student understands the subject matter.

Description of the assessment:

1. Background

Technology is a fast-paced industry, and digital communication networks are no exceptions. The transmitter and receiver (generically called transceiver) of communication systems have been traditionally operating in hardware.Currently, software-defined radio (SDR) is trying to replace some hardware components by software.This comes with many benefits and challenges. One challenge is that we need very fast sampling functions in ADC/DAC to implement the frontend of radio systems in software. Therefore, currently not every part of the transceiver can be implemented in software, resulting in partially software-controlled radio (SCR).

One of the key technologies for 4G radio communication systems and beyond is called Open Wireless Architecture (OWA). OWA is cable of supporting multiple wireless air interfaces in an open architecture platform using a single piece of "generic" hardware. SDR is aiding the realization of radio convergence. SDR is one form of OWA. Noting that 4G is a group of wireless standards, 4G devices constitute various standards. This can be efficiently realized using SDR technology. Under radio convergence via SDR, we can use the same hardware to implement 4G standards (i.e. LTE-Advanced and Mobile WiMAX/IEEE 802.16m or WirelessMAN-Advanced), 4G forerunners (i.e. LTE, TD-LTE and Mobile WiMAX/IEEE 802.16e) and IEEE LAN standards (IEEE 802.11ac, soon to be followed by the WiGig/ IEEE 802.11ad). This assignment exposes the student to a real-world principles and design of digital SDR, especially how the various functions work in atransceiver.

2. Requirements

The requirements are found in the marking criteria table below.

3. Submission Guidelines:
MIT General Guidelines for Presentation of Academic Work is used in this assignment. Students are expected to know and adhere to it.

PART B:

i) 16-QAM Simulator Using MATLAB/Simulink

The mobile communication standards GSM Long-Term Evolution (LTE) and LTE-Advanced have three radio modulation schemes QPSK, 16-QAM and 64-QAM.OFDM technology uses QPSK or QAM symbols for data transmission. This assignment requires student to write MATLAB program to implement the functionality of 16-QAM. Students may also attempt to use Simulink to build 16-QAM. Students are expected to test their MATLAB code and discuss it.

ii) Discus contribution of OFDM and MIMO in modern mobile communication.

Attachment:- Software-Defined Radio Communications.rar

Reference no: EM132356851

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Reviews

len2356851

8/13/2019 12:08:11 AM

Critical reflection Does the report demonstrate reflection and understanding of the topic or it was hastily written? 5 Research depth Does the student work demonstrate that the student consulted additional referenced materials on the topic and used the IEEE referencing style well? 5 English grammar and coherence, and professional report writing Does the question posted contain good English, good grammar, admirable writing style, no typos, good format, etc.? Is the report freeof cut-and-paste figures and tables? Are all graphics captioned and referenced appropriately in the report? 10 Plagiarism Did the student do any of these without reference and reflection? - Copy from otherstudent(s) - Copy from Internetsource/textbook - Copy from othersources -40

len2356851

8/13/2019 12:08:03 AM

Section to be included in the report Description of the section Marks Part A: Question formulated and posted to forum MATLAB programmingcompetence Does student demonstrate competence in programming in MATLAB? Does the code run? Does the code solve the intended problem? 5 SDR competence Does student demonstrate the ability to implement a function in a digital communication system in software? 10 Competence in modern technology Does student demonstrate the understanding of quadrature-amplitudemodulation,anditspurposein 5

len2356851

8/13/2019 12:07:56 AM

Part A: Question answered in the forum Weekly answer posted to the forum Did the student respond to any of the questions posted to the forum each week in a timely manner, i.e. in the appropriate week? 5 Technical relevance of the response to a question Is the provided to a question correct and technically interesting to the question? Did the student reflect on the question before answering it? 5 Critical reflection Does the answer to a question posted by the student demonstrate reflection and understanding of the topic or it was hastily formulated? 5 Research depth Does the answer posted by student demonstrate that the student consulted additional references on the topic and used the IEEE referencing style well? 5 English grammar and Does the answer contain good English, good 5

len2356851

8/13/2019 12:07:49 AM

Research depth Does the answer posted by student demonstrate that the student consulted additional references on the topic and used the IEEE referencing style well? 5 English grammar and coherence Does the question posted contain good English, good grammar, admirable writing style, no typos, good format, etc.? Is the question not longer than ½ A4 page with 11-point font? 5 Plagiarism Did the student do any of these without reference and reflection? - Copy from otherstudent(s) - Copy from Internetsource/textbook - Copy from othersources -25

len2356851

8/13/2019 12:07:43 AM

Section to be included in the report Description of the section Marks Part A: Question formulated and posted to forum Weekly question formulated Did the student post any question to the forum in a timely manner, i.e. in the appropriate week? 5 Technical relevance of question formulated Is the question posed technically interesting to the subject matter? Did the student reflect on the question? 5 Critical reflection Does the question posted by the student demonstrate reflection and understanding of the topic or it was hastily formulated? 5

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