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Course Catalog 2010-2011
TLT-5606 Spread Spectrum Techniques, 5-7 cr |
Person responsible
Toni Huovinen, Elena-Simona Lohan, Markku Renfors
Lessons
| Study type | P1 | P2 | P3 | P4 | Summer | Implementations | Lecture times and places |
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Requirements
Exam (5 cr). Possibility for up to 7 cr by completing a Matlab project.
Completion parts must belong to the same implementation
Principles and baselines related to teaching and learning
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Learning outcomes
The course focuses on the principles and theory of spread spectrum communications with emphasis on CDMA. After the course, a student has in-depth knowledge about CDMA techniques and their applications in wireless communications and/or positioning systems.
Content
| Content | Core content | Complementary knowledge | Specialist knowledge |
| 1. | Basics of spread spectrum techniques, spreading, multiple access, DS-CDMA basics, multi-access interference. | ||
| 2. | Spreading sequences, shift registers, spreading code families and their properties (m-sequences, Gold, Kasami, orthogonal codes). | ||
| 3. | Code acquisition and tracking, search strategies, mean acquisition time analysis. Multipath propagation and impact on code synchronization; Feedback and feedforward code tracking structures | ||
| 4. | Conventional single-user detection, performance analysis in AWGN, fading and single/multi-user channels, gaussian approximations, diversity reception, rake receiver, near-far resistance and multiuser efficiency. | ||
| 5. | Optimal multi-user detection: decision strategies and performance analysis, optimal near-far resistance. Sub-optimum multi-user detection: decorrelating and MMSE detection, iterative detection, parallel and successice interference cancellation. | ||
| 6. | Satellite-based positioning systems; focus on CDMA satellite navigation; acquisition and tracking - specific structures for navigation; challenges in satellite navigation; differences with CDMA communication systems. | Overview of satellite navigation systems nowadays (GPS, Galileo, GLONASS, Compass-Beidou, etc.) | |
| 7. | Fundamentals of Satellite Navigation; Position Determination Using PRN Codes; |
Evaluation criteria for the course
The assessment is based on the exam, which is targeted to measuring the knowledge gained in the core contents.
Assessment scale:
Numerical evaluation scale (1-5) will be used on the course
Partial passing:
Study material
| Type | Name | Author | ISBN | URL | Edition, availability, ... | Examination material | Language |
| Book | A Software-Defined GPS and Galileo Receiver; Single-Frequency Approach. | Kai Borre | English | ||||
| Book | CDMA ¿ Principles of Spread Spectrum Communications | Viterbi | English | ||||
| Book | Introduction to spread spectrum communications | Peterson, Ziemer, Borth | English | ||||
| Book | Multiuser detection | Verdu | English | ||||
| Book | Understanding GPS Principles and Applications, | E.D. Kaplan | English | ||||
| Lecture slides | Spread Spectrum Techniques | Tapani Ristaniemi | jaetaan luentojen alussa | English |
Prerequisites
| Course | Mandatory/Advisable | Description |
| TLT-5406 Digital Transmission | Mandatory |
Prerequisite relations (Requires logging in to POP)
Correspondence of content
| Course | Corresponds course | Description |
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Additional information
Course www-page: www.cs.tut.fi/kurssit/TLT-5606
There will be different focus in alternate years:
- Odd years: wireless communications
- Even years: mobile positioning
Suitable for postgraduate studies
More precise information per implementation
| Implementation | Description | Methods of instruction | Implementation |
| The course focuses on the principles and theory of spread spectrum (SS) communications with emphasis on CDMA and satellite positioning. Issues to be covered include, e.g., principles of SS techniques, spreading codes, code acquisition, code tracking and performance analysis of single- and multi-user detection in various channel conditions. |