نتایج جستجو برای: multi channel

تعداد نتایج: 668701  

2005
Juyul Lee

This project considers the challenges in maximizing the worst-user’s rate for a multiple access Gaussian vector channel under power constraints. The multiple access Gaussian vector channel is derived from a multi-user OFDM uplink channel, which has no interference between subchannels. The optimal rate is determined at the maximal equal rate among the users. For a simple treatment, a multi-user ...

2005
Chandrakanth Chereddi Pradeep Kyasanur Jungmin So Nitin H. Vaidya

Current day wireless technologies, such as 802.11a, support multiple non-overlapping channels. Multiple channels can be potentially used to increase network capacity by simultaneously communicating across different channels. In infrastructure based networks, multiple channels have been utilized by placing adjacent access points on different channels, thereby promoting simultaneous use of the ch...

2004
Mohammad Ahmad Munawar

In this thesis we propose a multi-channel wireless network based on nodes that use multiple 802.11 radio interfaces. The proposed system is singular, as it does not require new hardware or a new MAC, but instead leverages commodity 802.11-based products. With this system, we target scenarios where the nodes are stationary and where their location can often be controlled. We evaluate the perform...

2003
Gustavo K. Rohde Sinisa Pajevic Carlo Pierpaoli Peter J. Basser

We describe a general framework for multi-channel image registration. A new similarity measure for registering two multi-channel images, each with an arbitrary number of channels, is proposed. Results show that image registration performed based on different channels generates different results. In addition, we show that, when available, the inclusion of multi-channel data in the registration p...

Journal: :The Journal of Korean Institute of Electromagnetic Engineering and Science 2017

Journal: :IEEE Wireless Communications Letters 2014

Journal: :Nanophotonics 2023

Abstract The digital and programmable metasurfaces, as opposed to conventional offer a more sophisticated method of collaborating information physics, showcasing several real-time controls electromagnetic (EM) ways in succinct ways. In this work, we propose multi-frequency amplitude-programmable (MFAP) metasurface with multiple frequency channels enhance the presentation manipulation EM data. W...

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