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Broadbeam: Enabling Efficient Massive MIMO Systems

Explore the basics of English, information inquiry, reading technical materials, and technical writing. Learn how to find relevant information for your research and write effective technical papers. Access databases, search tools, and sources such as journals, conferences, and patents. Develop your skills in grammar, vocabulary, and translation. Improve your communication, signal processing, and network knowledge. Discover interesting resources in Chinese and stay updated on the latest developments in your field.

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Broadbeam: Enabling Efficient Massive MIMO Systems

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  1. Outline • Basic English • Introduction, Grammar, Vocabulary, Translation • Information Inquiry • Database • Reading Technical Materials • Communications, Signal processing, Networks, etc. • Technical Writing • How to write a technical paper • Latex • Software

  2. Information Inquiry • Common search tools • Baidu, Zhihu • Keywords or related words • Interesting stuffs in Chinese • Professional search • Database • Documents related to your research

  3. Information Inquiry • Documents • Textbooks • Journal (SCI, EI) • Conferences • Technical reports • Patents • Dissertations • Technical archives • Why? • Learn up-to-date development (avoid repeating works) • Achieve further progress based on existing works (innovation) • Fundamental to independent research

  4. Information Inquiry • How to find the desired information? • Title, Author, Keywords. • ieeexplore.ieee.org

  5. Information Inquiry • How to find the desired information? • apps.webofknowledge.com

  6. Information Inquiry • How to find the desired information? • scholar.google.com

  7. Outline • Basic English • Introduction, Grammar, Vocabulary, Translation • Information Inquiry • Database • Reading Technical Materials • Communications, Signal processing, Networks, etc. • Technical Writing • How to write a technical paper • Latex • Software

  8. Technical Writing • Title: concise and comprehensive. • Abstract: concise and inclusive. • Introduction: clearly motivated and complete literature review. • Main Results: well organized and presented. • Numerical Results (or Simulations): logically correct. • Conclusion: concise and inclusive. • Appendix (if necessary):correct. • Bibliography: correct and up-to-date.

  9. Title • Concise and Comprehensive • Summarize the work or theme of the work. • Generally composed of noun phrases with adjective and/or adverb phrases. Broadbeam for Massive MIMO Systems Buffer-Aided Relay Systems under Delay Constraints: Potentials and Challenges A Baseband Residual Vector Quantization Algorithm for Voiceband Data Signal HIERARCHICAL SERVICE CONTROL SCHEME FOR INTELLIGENT NETWORK SERVICE

  10. Abstract • Concise and Inclusive • Summarization of the work. • Tell a whole story without dependence on the following texts. • Be informative on the technical contents. • Composed of the aim, settings, research tools, results, implications and conclusion of the work. Abstract Massive MIMO has been identified as one of the promising disruptive air interface techniques to address the huge capacity requirement of 5G wireless communications. For practical deployment of such systems, the control message needs to be broadcast to all users reliably in the cell using broadbeam. A perfect broadbeam is expected to have the same radiated power in all directions to cover users in any place in a cell. In this paper, we will show that there is no non-trivial solution for perfect broadbeam. Therefore, we develop a method for generating broadbeam that can allow tiny fluctuation in radiated power. Overall, this can serve as an ingredient for practical deployment of the massive MIMO systems.

  11. Introduction • Clearly motivated and complete literature review • Motivation. • Literature review based on keywords or research topics. • Summary of contributions. In [2], the authors showed (have shown )(investigated, studied, obtained, demonstrated) … In [2], … have been shown (investigated, studied, obtained, demonstrated). In this paper, ... is(are)presented(described, discussed, investigated, studied). This paper (article, thesis) focuses on(presents, describes, discusses)…

  12. Main Results • Well organized and presented • How do you formulate the problem? • How do you solve the problem? • What are the major theoretical contributions or findings? Typical sentences in the derivations: … is given by: … as follows: … as in the following: … the following equation is obtained. … this becomes therefore, we have … can be expressed as … can be derived: … can be written: … can be described by … … can be represented as “A good story is more convincing.”

  13. Numerical Results • Logically correct • Well designed to serve the findings or contributions of the paper. • Figures: differentiated, clear, and illustrative.

  14. Conclusion • Concise and Inclusive • Summarization of the results and findings of this paper. CONCLUSIONS In this paper, we have considered broadbeam generation in massive MIMO systems. We have shownthat the only possible solutions to perfect broadbeam with identical radiated power in all directions are the unit vectors with only one nonzero element. Therefore, some fluctuation in transmit powers of different directions must be allowed. We have proposed a method to generate broadbeam that is almost flat in all directions while minimizing the PAPR or dynamic range for practical applications. We have also provided numerical results verifying our algorithm. Overall, we have offered a feasible solution to generating broadbeam of practical use in massive MIMO systems.

  15. Bibliography • Correct and up-to-date S. K. Mohammed and E. G. Larsson, “Constant-envelope multi-user precoding for frequency-selective massive MIMO systems”, IEEE Wireless Commun. Lett., vol. 2, no. 5, pp. 547-550, Oct. 2013. Tekinay, S. and Jabbari, B.. Handover and channel assignment in mobile cellular networks. IEEE Communication Magazine, 1991, 29(11): 42-46. C. A. Balanis, Antenna Theory: Analysis and Design, 3rd ed. New York:Wiley, 2005.

  16. Frequently Used sentences This paper demonstrates (shows, introduces, proposes, presents, describes, discusses, deals with) … In this paper, … is studied (introduced, proposed, presented, described). This paper (work, study, analysis, research) aims to (intends to, is intended to, is aimed at, is concerned with)… The aim (objective, purpose, intention) of the study (investigation, research) is to obtain (assess, establish, find out, determine, reveal)… … has obtained (derived, shown, found, investigated) It is (seems, appears, proves, becomes) easy (possible, necessary, essential, advisable, useful, instructive, common) to… We can obtain (derive, show, arrive at)…

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