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"This exceptional book introduces the reader to the principles, theory and applications of physical layer wireless/mobile communications. In the area of wireless, the antennas, propagation and the radio channel used are interrelated; this book offers an explanation of that relationship which is fundamental to the development of systems with high spectral efficiency.The book emphasises the basic principles needed to establish an understanding of this technology. However, the tools required - such as the mathematics and statistics - are treated in the manner of a practical handbook, avoiding detailed derivations. The reader will develop a clear insight into the physics and effects of multipath and the use of multipath channels for communications. Propagation modelling, simulation and measurement, scattering, antenna principles, array antennas, adaptive antennas and smart antennas are also covered."

"This paper will analyze the performance of adaptive slotted ALOHA DS-CDM4 over multipath fading with capture eject to increase throughput transmit data when traffic condition in saturation. To divine intervention we use algorithm to control level change transmission rate use user based on trqffic condition. Adaptive slotted ALOHA DS-CDA/L4 technique is technique access can do adaptation level transmission rate based trams condition. Using protocol access channel adaptive slotted ALOHA DS-CDAM combine between slotted ALOHA and DS-CDMA in wireless communication system. This method may users to do access simultaneously and using efficient spectrum is providential from adaptive slotted ALOHA DS-CDMA Performance of S-ALOHA DS-CDMA decrease on channel fading. To handle throughput decrease because amount bit on transmit packet, so capture effect can use to handle this problem. So effective throughput depend capture probability and probability packet success. From that result throughput adaptive slotted ALOHA DS-CDMA with capture eject on multipath fading channel increase with decrease capture ratio length bit packet and different number of path."

"ABSTRAKPenelitian ini bertujuan untuk mengetahui bagaimana pengaruh dari motivasi intrinsik sense of self-worth dan socializing dan motivasi Ekstrinsik economic reward dan reciprocity bisa mempengaruhi seseorang untuk mau membagikan intention to share mobile coupon melalui media sosial dan untuk mengetahui bagaimana peran dari kecenderungan kupon coupon proneness dalam memperkuat seseorang untuk mau membagikan mobile coupon melalui media sosial. Data diperoleh dari penyebaran kuesioner kepada 126 responden dari perempuan dan laki-laki, semua umur dapat mengisi kuesioner tersebut dengan syarat pernah membagikan mobile coupon ke media sosial. Analisis data dilakukan dengan software SPSS 20, menggunakan metode regresi. Hasil penelitian ini menunjukan bahwa terdapat pengaruh secara langsung pada sense of self-worth, socializing, economic reward dan reciprocity terhadap intention to share. Peran moderasi coupon proneness dapat memperkuat pengaruh dari sense of self-worth, socializing, economic reward dan reciprocity terhadap intention to share.

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ABSTRACTThe purpose of this paper is to investigate the effect of two intrinsic i.e. sense of self worth and socializing and two extrinsic motivations i.e. economic reward and reciprocity on mobile coupon sharing by users through social media. Moreover, this study examines how coupon proneness moderates the relationship between motivations and mobile coupon sharing through social media. A research model that integrates four motivations sense of self worth, socializing, economic reward and reciprocity coupon proneness, and mobile coupon sharing is developed. Quantitative data from 126 respondents are collected via online survey. SPSS 20 is used to employe the data with multiple regresion technique. Found that Sense of self worth, socializing, economic reward and reciprocity have positive effects on mobile coupon sharing in social media. Furthermore, coupon proneness positively moderates the relationship of sense of self worth, socializing, economic reward and reciprocity with mobile coupon sharing."