MAC protocol
HYBRID MAC PROTOCOL FOR WIRELESS SENSOR NETWORKS USED IN TIME CRITICAL APPLICATIONS
... several MAC protocols specially designed for sensor networks. S-MAC is a MAC protocol with periodic listen/sleep scheduling based on local ...S- MAC protocol, the listen and ...
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An Enhanced Transmission Power Controlled MAC Protocol for Ad Hoc Networks
... 802.11 MAC uses the same transmission power regardless of the distance between the transmitter and ...802.11 MAC, when node transmitting, the other nodes in its vicinity should keep silence to avoid ...
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AN EFFICIENT MAC PROTOCOL BASED ON HYBRID SUPERFRAME FOR WIRELESS SENSOR NETWORKS
... This paper proposed an improved MAC model-Contention Reserve MAC Protocol –CRMAC, based on a deep analysis of the pros and cons of IEEE 802.15.4. CRMAC uses a hybrid superframe structure as well as ...
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A Random Access MAC Protocol for MPR Satellite Networks
... that MAC protocols have the job to control the access of communicating stations to the wireless medium, to share the net- work bandwidth [PD11, ...all MAC protocols are useful for satellite communications ...
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A Channel Adaptive Energy Efficient and Fair Scheduling Media Access Control Protocol for Mobile AdHoc Networks
... (MAC) protocol, for efficient packets scheduling and queuing in an ad hoc network, with time varying characteristic of wireless channel taken into ...proposed MAC protocol achieves substantial ...
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ENERGY EFFICIENT MAC PROTOCOLS FOR WIRELESS SENSOR NETWORKS: A SURVEY
... In wireless sensor network, the Sensor S-MAC protocol is a contention based MAC protocol. It is an improved version of IEEE 802.11 protocol .The sensor node periodically goes to the ...
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ETEEM- Extended Traffic Aware Energy Efficient MAC Scheme for WSNs
... S-MAC protocol is its fixed time interval of active and sleep state which may still result in idle listening ...Efficient MAC (TEEM) protocol was proposed. TEEM protocol uses variable ...
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Advanced PHYMAC Design for Infrastructure-less Wireless Networks
... the MAC protocols that have been discussed. In the table each protocol is analyzed considering different ...each protocol in order to enable MPR capabilities. The MAC scheme is considered ...
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Distributed TDMA-Base Scheduling in Multi-hop Wireless Sensor Network
... proposed protocol the network chief director makes the head clusters nodes and data exchange with the central station (chief director) according to a Wise-MAC protocol and via head cluster in each ...
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Performance of Hybrid ARQ for NDMA Access Schemes with Uniform Average Power Control
... (MAC) protocol, Network Diversity Multiple Access (NDMA), forces all users involved in a collision of P packets to retransmit their packets P − 1 ...
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Routing and Mobility on IPv6 over LoWPAN
... routing protocol to be able to query the radio device for various parameters and characteristics, node resources, link performance and other information in order to be able to properly advertise and utilize route ...
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Analysis of MAC layer protocol of Wireless Sensor Network Using QualNet
... ALOHA is a system for coordinating and arbitrating access to a shared communication Networks channel. Aloha is a multiple access protocol at the data link layer and proposes how multiple terminals access the ...
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Une forme «ex-centrée» d’un «excentrique »: le poème en prose de Pierre Mac Orlan
... authentique saynète concise. A l’intérieur même du poème, un monde clos quadrille l’espace: l’effet de clôture est, au premier abord, suscité par la pauvreté du dialogue lui-même (l’objet de la conversation entre la ...
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Efeitos do halotano, isoflurano e sevoflurano sobre a função renal em cães sob pinçamento aórtico infra-renal.
... 0.75 MAC of halothane or isoflurane, but not 0.75 MAC of sevoflurane, have minimized renal vascular resistance increase, which is the major infra-renal aortic cross-clamping ...
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Escolha de métodos contraceptivos entre usuárias de um serviço público de saúde.
... o MAC que ele deseja, dar uma atenção individualiza- da, visar à interação dinâmica, evitar sobrecar- ga de informação e utilizar auxílios visuais pa- ra a memorização 5 ...
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Apresentando um instrumento de avaliação da comunicação à Fonoaudiologia Brasileira: Bateria MAC.
... De 1985 até o final da década de 1990, alguns instrumentos foram construídos para a avaliação de habilidades cognitivas e/ou comunicativas relacionadas ao HD: RICE (Rehabilitation Institute of Chicago Evaluation of ...
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Mini-mac - escala de ajustamento mental para o câncer: estrutura fatorialMini-mac - escala de ajuste mental para el cáncer: estructura factorial.
... RESUMO. Trata-se de estudo da estrutura fatorial da escala Mini-MAC, que mede o ajustamento mental dos pacientes ao câncer. Após análise semântica, a escala foi aplicada em 283 pacientes de um hospital ...
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J. vasc. bras. vol.16 número1
... The pilot study was performed in a hospital in Southern Brazil. Given the rarity of the diseases investigated, a retrospective study was performed. The aim of this procedure was to evaluate the applicability of the ...
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