ELT-43206 Spread Spectrum Techniques, 5-7 cr
Additional information
This course will be offered every second year, including 2015-16. It is organized in reduced format consisting of focused seminars, group work, and independent studies by the students.
Suitable for postgraduate studies
Person responsible
Elena-Simona Lohan, Markku Renfors
Lessons
Implementation 1: ELT-43206 2015-01
| Study type | P1 | P2 | P3 | P4 | Summer |
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Requirements
Exam or seminar presentations, according to the implementation of that year (5 cr). Possibility for up to 7 cr by completing a Matlab project.
Completion parts must belong to the same implementation
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 mobile positioning.
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; |
Instructions for students on how to achieve the learning outcomes
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 | Additional information | Examination material |
| Book | A Software-Defined GPS and Galileo Receiver; Single-Frequency Approach. | Kai Borre | No | |||
| Book | CDMA ¿ Principles of Spread Spectrum Communications | Viterbi | No | |||
| Book | Introduction to spread spectrum communications | Peterson, Ziemer, Borth | No | |||
| Book | Multiuser detection | Verdu | Yes | |||
| Book | Understanding GPS Principles and Applications, | E.D. Kaplan | No | |||
| Lecture slides | Spread Spectrum Techniques | Tapani Ristaniemi | jaetaan luentojen alussa | Yes |
Prerequisites
| Course | Mandatory/Advisable | Description |
| ELT-43006 Digital Transmission | Mandatory |
Correspondence of content
| Course | Corresponds course | Description |
| ELT-43206 Spread Spectrum Techniques, 5-7 cr | TLT-5606 Spread Spectrum Techniques, 5-7 cr |