I would like to express my sincere

I would like to express my sincere thanks to my thesis advisor, Dr. Wipawee Hattagam for her invaluable help and constant encouragement throughout the course of this research. I am most grateful for her teaching and advice, not only the research methodologies but also many other methodologies in life. I would not have achieved this far and this thesis would not have been completed without all the support that I have always received from her. In addition, I am grateful for the teachers of telecommunication engineering: Asst. Prof. Dr. Rangsan Wongsan, Dr. Rangsan Tongta, and others person for suggestions and all their help. Finally, I most gratefully acknowledge my parents and my friends for all their support throughout the period of this research.

I would like to Express My sincere Thanks to My Thesis Advisor, Dr. Wipawee
Hattagam Invaluable Help for Her encouragement and Constant throughout the course
of this Research. I am grateful for Most Her teaching and Advice, Research not only the
methodologies but also many in Life Other methodologies. I would not have achieved
this would not have been Thesis Far and this completed the Support Without all that I
have always received from Her.
In addition, I am grateful for the teachers of Telecommunication Engineering:
Asst. Prof. Dr. Rangsan Wongsan, Dr. Rangsan Tongta, and others for suggestions person
and all their Help.
Finally, I gratefully acknowledge Most My parents and friends for all their My
Support throughout the period of this Research.

I would like to express my sincere thanks to my, thesis advisor Dr. Wipawee
Hattagam for her invaluable help and constant. Encouragement throughout the course
of this research. I am most grateful for her teaching, and advice not only the research.
methodologies but also many other methodologies in life. I would not have achieved
.This far and this thesis would not have been completed without all the support that I
have always received from her.
. In addition I am, grateful for the teachers of Telecommunication Engineering:
Asst. Prof. Dr. Rangsan, Wongsan Dr. Rangsan. Tongta and others, person for suggestions
and all their help.
Finally I most, gratefully acknowledge my parents and my. Friends for all their
.Support throughout the period of this research.