[PDF] Top 20 On PHY and MAC Performance in Body Sensor Networks

... in-body sensor networks are di ff erent due to their cor- responding channel ...on-body sensor network, signals often propagate across the body ...in-body sensor ... See full document

... abnormal samples. For example if a patient is subject to heart beat monitoring. Physician needs only abnormal samples especially from ECG sensor. Transmitting all usual samples is unnecessary. We want to ignore ... See full document

... other MAC optimizations to allow for more energy- efficient wireless ...existing MAC protocols in terms of effective energy per information bit introduces important challenges in ...high-performance ... See full document

... 6.3. High Density and Contention Scenario with a Sudden Change of the Contention Level—Heterogeneous Network. We have defined another HD/C scenario (H-D/C scenario 2 in Figure 8), in which a contention level is induced ... See full document

... wireless sensor networks (WSNs). The energy efficiency and the performance of the protocol stacks degrades when the low powered WSNs experience interference from high power Wireless Local Area ... See full document

... wireless networks changing into engorged and therefore the interference generated by signals from wireless devices is becoming more of a priority once planning new wireless ...in networks wherever multiple ... See full document

... of performance analysis in IEEE ...The performance evaluation of [7] studies the throughput-energy-delay tradeoffs based on NS-2 ...duty networks a significant energy saving can be achieved by using ... See full document

... Wireless Sensor Networks the common objective is to maximize the network ...The sensor nodes are battery operated and hence the energy consumption by each node has to be minimized such that the ... See full document

... Urgency-based MAC (U-MAC) protocol, in which sensor nodes reporting urgent health information are given higher priority by cutting-off the number of packet retransmission of sensor nodes with ... See full document

... The next step for PMAC is to build a prototype. This would help confirm the benefits and results found in our simulations of PMAC. One could also improve PMAC by allowing for an “end transmission” packet. This would ... See full document

... acoustic sensor networks (UASN) have fascinated in recent years and grown rapidly with the longing to monitor the enormous portion of the world, wrapped up by the ...These networks deal with variable ... See full document

... CDMA sensor networks, there has been limited effort to investigate source and modulation schemes, particular signature waveforms, designing simple receiver models, and other signal synchronization ... See full document

... NULL MAC layer where the node is awake all the time, against Park's MAC with the sleeping schedules while not transmitting or receiving as shown in Figure ...the performance of the NULL MAC ... See full document

... (i)Contention-Based MAC known as carrier sense multiple access/collision avoidance(CSMA/CA) protocols in which node competes for channel to transmit ...based MAC protocols are energy efficient ...each ... See full document

... Wireless Sensor Networks, where they exploit listen/sleep cycles to conserve ...these networks. The issue of performance enhancement of wireless networks in terms of overhead messages ... See full document

... Area Networks) is very high and it has become the common means of access to the ...The performance of those Wi-Fi hotspots is extremely poor in terms of low throughput and severe ...poor performance ... See full document

... called sensor nodes. Sensor nodes, which comprise sensing, data processing, and wireless communicating components, are capable of local processing and transmitting information wirelessly to base stations ... See full document

... Wireless Sensor Networks are defined as a self configured and infrastructure less wireless network to monitor the physical or environmental ...of sensor nodes. Sensor nodes are made up of four ... See full document

... Wireless sensor networks are wide range of application potential in areas such as industrial process monitoring, target detection, tracking, and environmental ...monitoring. Sensor cannot have an ... See full document

... critical. Except for cars or few other mobile objects, IoT may rely mostly on static nodes. But the dynamic of the problem comes from the fact that these nodes may transmit a packet with a very low probability (e.g. once ... See full document