نتایج جستجو برای: wireless fdma network
تعداد نتایج: 731874 فیلتر نتایج به سال:
For the first time, to best of our knowledge, hybrid triple coding empowered frequency division multiple access (FDMA)-code (CDMA) mode coded optical sensor (CAOS) camera is demonstrated. Compared independent FDMA and CDMA modes, FDMA-CDMA has a novel high-security space-time-frequency signal encoding design for robust, faster, linear irradiance extraction at moderately high dynamic range (HDR)...
The measurability of Mobile ad hoc network (MANET) is the precondition of its management, performance optimization and network resources re-allocations. The traditional network interior measurement technique performs measurement on the nodes or links directly, and obtains the node or link performance through analyzing on the measurement sample, which usually is used in the wired networks measur...
This project focuses on high throughput and lower complexity using MIMO SC-FDMA detectors. In LTE SC-FDMA is used in the uplink, which saves power in mobile devices. Beam forming is a technique that transmits the input at different angles. Diversity in the MIMO transmits the input signal and anyone of the output received which is more similar to the transmitted signal. Thus the quality of servi...
چکیده ندارد.
The MAC (Medium Access Control) protocols can be roughly categorized into three broad classes [16]. The fixed assignment set will have schemes like TDMA, CDMA and FDMA. These protocols lack the flexibility in allocating resources and thus have problems with configuration changes. This makes them unsuitable for dynamic and bursty wireless packet data networks. The random assignment class consist...
Today, information networks play an important role in supply chain management. Therefore, in this article, clustering-based routing protocols, which are one of the most important ways to reduce energy consumption in wireless sensor networks, are used to optimize the supply chain informational cloud network. Accordingly, first, a clustering protocol is presented using self-organizing map neu...
The Mobile Satellite System Architectures and Multiple Access Techniques Workshop served as a forum for the debate of system and network architecture issues. Particular emphasis was on those issues relating to the choice of multiple access technique(s) for the Mobile Satellite Service (MSS). These proceedings contain articles that expand upon the 12 presentations given in the workshop. Contrast...
Transmission opportunity limit and contention window are two influenced parameters in accessing the media in the networks based IEEE 802.11e standard. In these networks, every wireless station by setting of its contention window value, determines the chance of access to wireless media. Furthermore, a transmission opportunity limit provides a period of transmission without contact for a station....
The combination of mobile edge computing (MEC) and wireless power transfer (WPT) is recognized as a promising technology to solve the problem limited battery capacities insufficient computation capabilities devices. This can energy users by radio frequency (RF) in powered computing. user converts harvested energy, stores it battery, utilizes execute corresponding local offloading tasks. paper a...
The orthogonal frequency division multiplex (OFDM) transmission technique can efficiently deal with the effects of multi-path propagation in the broadband radio channel. It also has a high system inherent flexibility for designing a multiple access scheme by combining the conventional TDMA, FDMA and CDMA approaches with the OFDM modulation scheme. The FDMA multiple access scheme is especially i...
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