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 ...

Mobility and movement are the basic needs of human life in all ages and today, despite advances in electronics in cyberspace, is an integral component of life. The main purpose of this paper is to explain the importance of customer satisfaction dimensions from public transportation systems especially BRT system, based on statistical techniques. So this paper has examined the BRT system in terms...

colonialism is an important factor in cultural production and many of cultural constructs all over the world. english and english language teaching are at the center of the contemporary world. postcolonial literature, the genre achebe exercised, is a kind of historical text which has become central to different debates and criticisms. in this thesis, different elements related to the colonial...

data envelopment analysis (dea) is a powerful tool for measuring relative efficiency of organizational units referred to as decision making units (dmus). in most cases dmus have network structures with internal linking activities. traditional dea models, however, consider dmus as black boxes with no regard to their linking activities and therefore do not provide decision makers with the reasons...

Brand loyalty is one of the most important factors affecting the success of marketing efforts, which, in turn, is under the influence of numerous and diverse factors and conditions. Identifying these factors and determining the effect of each significantly help managers to make the right decisions. Therefore, the aim of this article is identifying and examining thefactors in...

abstract this study aimed at investigating the impact of etymology strategy instruction on the development of vocabulary of iranian intermediate efl learners. etymology, knowledge of origin of words, roots, and affixes, has proved to be a controversial issue and a question of long debate with regard to its impact on the process of vocabulary learning. this study employed etymology strategy in ...