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A Detailed Study of 4G in Wireless Communication: Looking Insight in Issues in OFDM
As a promising technique, OFDM has been widely used in emerging broadband communication systems, such as digital audio broadcasting (DAB), high-definition television (HDTV), and wireless local area network (IEEE 802.11a and HIPERLAN/2). However, as the OFDM signals are the sum of signals with random amplitude and phase, they are likely to have large PAPR that require a linear high-power- amplifier (HPA) with an extremely high dynamic range which is expensive and inefficient. Furthermore, any amplifier nonlinearity causes intermodulation products resulting in unwanted out-of-band power. A number of approaches have been proposed to deal with the PAPR problem, including amongst others, clipping...
Recent Advances in Soft Computing and Data Mining
This book unfolds ways to transform data into innovative solutions perceived as new remarkable and meaningful value. It offers practical views of the concepts and techniques readers need to get the most out of their large-scale research and data mining projects. It strides them through the data-analytical thinking, circumvents the difficulty in deciphering complex data systems and obtaining commercialization value from the data. Also known as data-driven science, soft computing and data mining disciplines cover a broad spectrum, an interdisciplinary field of scientific methods and processes. The book, Recent Advances in Soft Computing and Data Mining, delivers sufficient knowledge to tackle ...
UMAR IBN AL-KHATTAB
This is a biography of one of the greatest Caliphs of the Islamic epoch.The well known author Moin Qazi describes the vast range of his noble qualitiesIn the seventh century, the envoy of the Roman Emperor set out for Medinah, accompanied by a large entourage, flaunting the pageantry of adornments for which the Roman Empire was famous. On arrival in the metropolis of Islam, he enquired from a passer-by: “Tell me please, where is the palace of the Caliph?” The Arab looked around and was confused by the absence of any sign of royalty. He was amazed and prompted by a curious emotional thought. He hinted to the Arab commoner, “What do you mean by a palace?” retorted the Arab.” I mean t...
Militant Groups in South Asia
Profiles important militant groups presently active in South Asian countries. The information related to these militant groups has been culled from open sources and due care has been taken to check the facts for consistency and reliability. The threat perception from each group is covered in detail.
Workshop Proceedings of the 19th International Conference on Intelligent Environments (IE2023)
The term ‘intelligent environment’ (IE) refers to a physical space that is enhanced by digital technologies. Such environments are designed to improve the quality of life of the people who live or work in them, and are equipped with technologies such as sensing systems and artificial intelligence which can detect changes in the environment, anticipate user requirements, and provide personalized services and experiences to users. This book presents presents papers from Workshops held during the first two days of IE2023, the 19th International Conference on Intelligent Environments, held in Mauritius between 27 and 30 June 2023, with an online participation available for those who could no...
National Assembly Elections in Pakistan, 1970-2008
This book has nine sections each dealing with a general election held between 1970-2008. Each section is divided further into four sub-sections: background, monograph, summary, statistics.
