Performance study and simulation of TCM and coding

مقدم أطروحة جامعية

Riedah, Wafa Muhammad

الجامعة

الجامعة التكنولوجية

الكلية

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القسم الأكاديمي

قسم الهندسة الكهربائية

دولة الجامعة

العراق

الدرجة العلمية

ماجستير

تاريخ الدرجة العلمية

2004

الملخص الإنجليزي

Trellis coded modulation (TCM) combines convolutiona coding with modulation, and offers approximately 2-3 dB of coding gain without requiring a corresponding bandwidth expansion.

This thesis describes the process of encoding TCM, convolutiona : codes, decoding using the Vitcrbi Algorithm (VA), Mary modulation formats suitable for TCM, and the evaluation of TCM performance. The concept of multiple TCM, which is a generalization of ordinary TCM, gives rise to the concept of space time codes (STC).

With STC; coded signals are transmitted from multiple antennas at the same time over a Rayleigh fading channel, STC combines of transmit diversity, coding and Mary modulation to mitigate problems imposed by the fading channel.

Two types of STC, space time coded modulation (STCM) and block STC; are discussed in this thesis.

Furthermore, a soft-output decoder for block STC is derived, and used to decode a serially concatenated code composed of an outer TCM code and an inner block STC.

التخصصات الرئيسية

الهندسة الكهربائية

• APA
• MLA
• AMA

لغة النص

الإنجليزية

نوع البيانات

رسائل جامعية

رقم السجل

BIM-305566