Capacity of wireless

Literature Review and Background, voice Capacity Improvement over Infrastructure WLANs, service Differentiation over Ad Hoc WLANs, Collision-Free MAC for Wireless Mesh Backbones,... As the main contents of the document "Distributed Medium Access Control in Wireless Networks". Invite you to consult.

117p hungba_a8 11-12-2015 67 2   Download

Tham khảo luận văn - đề án 'báo cáo hóa học: " research article capacity of wireless ad hoc networks with opportunistic collaborative communications"', luận văn - báo cáo phục vụ nhu cầu học tập, nghiên cứu và làm việc hiệu quả

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Tuyển tập báo cáo các nghiên cứu khoa học quốc tế ngành hóa học dành cho các bạn yêu hóa học tham khảo đề Research Article Capacity of Wireless Ad Hoc Networks with Opportunistic Collaborative Communications

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Tham khảo luận văn - đề án 'báo cáo hóa học: " research article on the throughput capacity of large wireless ad hoc networks confined to a region of fixed area"', luận văn - báo cáo phục vụ nhu cầu học tập, nghiên cứu và làm việc hiệu quả

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Past decade has seen a surge of research activities in the field of wireless communication. Emerging from this research thrust are new points of view on how to communicate effectively over wireless channels. The goal of this course is to study in a unified way the fundamentals as well as the new research developments. The concepts are illustrated using examples from several modern wireless systems (GSM, IS-95, CDMA 2000 1x EV-DO, Flarion's Flash OFDM, ArrayComm systems.)

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Enable many mobile users to share simultaneously radio spectrum. Provide for the sharing of channel capacity between a number of transmitters at different locations. Aim to share a channel between two or more signals in such way that each signal can be received without interference from another.

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Smart Antennas Smart antennas are an important application of SDR technology [381]. An in-depth treatment is beyond the scope of this chapter. The objective is to introduce the topic to identify the implications of smart antennas for softwareradio architecture. The smart antenna is a logical extension of antenna diversity described above [382].

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Mobile Satellite Communication∗ In principle communications satellites provide the same connectivity as terrestrial (wireless and wireline) networks. The advantages of satellites, such as fast wide-area coverage, flexible transmission parameters and cost independence due to distance, are compared with the disadvantages, such as restricted channel capacity because of the frequencies available, orbital positions, need for line-of-sight connectivity and high initial investment besides relatively long signal propagation times.

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Cellular networks are typically interference limited, with co-channel interference arising from cellular frequency reuse, ultimately limiting the quality and capacity of wireless networks [280,281]. However, Adaptive Antenna Arrays (AAAs) capable of exploiting the are spatial dimension in order to mitigate this co-channel interference and thus to increase the achievable network capacity [3,6,38,242,250,282].

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