a significant problem in multicarrier communication systems is the necessity to reduce the value of papr (peak-to-average power ratio) of transmitting signal. in this thesis we study the effect of the system parameters such as coding and modulation types on papr and ultimate ber in a mc-cdma system. in this study we consider fading channel as well as the nonlinearity of transmitter’s amplifier ...

the purpose of this thesis was to investigate how differently metacognitive, cognitive, and social/affective strategies affect l2 learners’ reading comprehension. to this end, the study employed a quasi-experimental design with a placement test as a proficiency test to find the homogeneity of groups. three classes were randomly selected as the experimental groups (n =90), and each class was tau...

Banks, as financial institutions and services in a society that play a decisive role in the flow of money and wealth, have a special role in the economy of each country. As the society grows and grows, the number of applicants for loans and facilities is increased, and consequently, the amounts requested are higher, and in parallel, banks and credit institutions are more at risk of non-receipt....

the poor orientation of the restaurants toward the information technology has yet many unsolved issues in regards to the customers. one of these problems which lead the appeal list of later, and have a negative impact on the prestige of the restaurant is the case when the later does not respond on time to the customers’ needs, and which causes their dissatisfaction. this issue is really sensiti...

The purpose of the study is a comparative review of the role played by the country's cooperation fund from one hand, and the banking system from the other hand in financing manufacturing cooperative firms for their foundation and opening-up expenditures, and to finance their working capital and development plans. providing employment opportunities in cooperation sector, is among the legitimate ...