hybrid multiple access technique
A NOVEL TWO DIMENSIONAL SPECTRAL/SPATIAL HYBRID CODE FOR OPTICAL CODE DIVISION MULTIPLE ACCESS SYSTEM
... matching technique is more suitable for this application, where the similarity between the input image and each model image of the known individuals is calculated, in order to recognize that ...measurement ...
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A NOVEL TWO DIMENSIONAL SPECTRAL/SPATIAL HYBRID CODE FOR OPTICAL CODE DIVISION MULTIPLE ACCESS SYSTEM
... This is a technique which used for finding a match between two images depend on the distance. Two points in two images consider be match when have similar locations. The corresponding between two images depends on ...
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Variable weight Khazani-Syed code using hybrid fixed-dynamic technique for optical code division multiple access system
... shown in Figs 5 and 7 that the number of supportable users for VW-OCDMA system using DD technique is 46, 30, 24 and 20 for bit rates of 1.25, 2.5, 5 and 10 Gbps, respectively, for BER of 10 −9 and all users with ...
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A Novel Hybrid Multiple Access Scheme in Downlink for 4G Wireless Communications
... broadband access to the Internet ...Division Multiple Access (OFDMA) is a multiple access scheme in which each user occupies different ...The hybrid TD-CDMA technique, ...
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Energy Efficient Resource Allocation in Hybrid Non Orthogonal Multiple Access Systems
... orthogonal multiple access (OMA) nor NOMA is fully perfect for ac- commodating various services, which thereby stimulates the study of hybrid NOMA ...a hybrid NOMA technique can utilize ...
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A NOVEL TWO DIMENSIONAL SPECTRAL/SPATIAL HYBRID CODE FOR OPTICAL CODE DIVISION MULTIPLE ACCESS SYSTEM
... Based on the direct detection technique, 2D ZCC/MD is designed as illustrated in Figure1. It consists of 𝑤 𝑤 pairs of transmitters and receivers, the star coupler to connect the transmitter and the receiver. Using ...
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A NOVEL TWO DIMENSIONAL SPECTRAL/SPATIAL HYBRID CODE FOR OPTICAL CODE DIVISION MULTIPLE ACCESS SYSTEM
... 5. br berlin novia Tambunan, Atma Jaya Yogyakarta University, 2016, using the technology acceptance models (tam). The data collection techniques used in this study is a random sampling. population in this study were ...
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A NOVEL TWO DIMENSIONAL SPECTRAL/SPATIAL HYBRID CODE FOR OPTICAL CODE DIVISION MULTIPLE ACCESS SYSTEM
... Having done reviewing the related works, this paper proposes an improved computer vision technique using average background method to reduce the flaw and applicable in different situation. Based on the previous ...
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A NOVEL TWO DIMENSIONAL SPECTRAL/SPATIAL HYBRID CODE FOR OPTICAL CODE DIVISION MULTIPLE ACCESS SYSTEM
... The composition of a Mobile Ad-hoc Network (MANET) is made without any fixed infrastructure. This is presently one of the most attractive researches with regards to wireless communication. MANET is a distributed mobile ...
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Hybrid Iterative Multiuser Detection for Channel Coded Space Division Multiple Access OFDM Systems
... and mutation blocks illustrated in Fig. 3, the new popula- tion will be constituted by X number of mutated offspring. It is worth pointing out that the mutation operation is criti- cal to the success of the genetic ...
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A NOVEL TWO DIMENSIONAL SPECTRAL/SPATIAL HYBRID CODE FOR OPTICAL CODE DIVISION MULTIPLE ACCESS SYSTEM
... have access to the technique for a certain period of time, and when the state continues, the user will continue the activity with the joy and joy of using ...
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Hybrid pulse interval modulation code division multiple access for optical wireless communications
... In an optical wireless system, the signal is transmitted over a channel at infrared frequencies using intensity modulation with direct detection (IM/DD). IM/DD is a simple process that takes place at the transmitter end ...
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A NOVEL TWO DIMENSIONAL SPECTRAL/SPATIAL HYBRID CODE FOR OPTICAL CODE DIVISION MULTIPLE ACCESS SYSTEM
... Semi automatic method for exudates screening have been developed based on image processing techniques that utilize image quality and intensity gradients. DIARETDB1 diabetic retinopathy database was used to test the ...
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Medium Access Control (MAC) for Wireless Body Area Network (WBAN): Superframe structure, multiple access technique, taxonomy, and challenges
... Medium Access Control (MAC) protocols for WBANs have been suggested for address- ing the unique challenges related to reliability, delay, collision and energy in the new research ...on multiple ...
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ENTERPRISE MOBILITY 2.0
... a hybrid cloud approach, where your backend applications and data, as well as the connectors to them, can be implemented and hosted on premise or private ...
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A Multichannel MAC Protocol for IoT-enabled Cognitive Radio Ad Hoc Networks
... In some scenarios, such as a large assembly, a parade, or a downtown area, there may be hundreds of devices. In the previously described scenario, the requirements for channel bandwidth were high but temporary. In all ...
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Multiple Access by Shilpy.ppt
... the medium remains idle when there may be stations with frames to send as the stations wait a random amount of time after the collision. (ii) Non-persistent CSMA.[r] ...
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Performance Analysis of Mimo Scma Systems for 5G Communications
... near-optimal detection feasible through iterative MPA. In this paper, the basic principle of the SCMA encoder and decoder are introduced and the performance of MIMO-SCMA system is analyzed through computer simulations. ...
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A Hybrid Technique of Energy Harvesting from Mechanical Vibration and Ambient Illumination
... With a view to harvesting energy from the ambient sources, a variety of techniques are available; including photovoltaics, rotor-dynamics, thermoelectricity, piezoelectricity, and so on. Since, solar energy is the most ...
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Performance Evaluation of Diversity Techniques in IDMA Scheme for Next Generation (4G) in Underwater Wireless Communication
... channel without interference [3]. Multiple access technique is one of the key techniques in the wireless commu- nication system [4]. In the past few years, the request for bandwidth has started to ...
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