MAC protocols with wakeup-radio for IBSN
Secure MAC protocols for cognitive radio networks
... As discussed in section 2.1.5, there is a number of MAC protocols (Joe & Son, 2008) (Kondareddy & Agrawal, 2008) (Salameh, et al., 2009) (Salameh, et al., 2010) (Iyer & Limt, 2011) (Qian, et ...
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Vulnerabilities of Cognitive Radio MAC Protocols and Countermeasures
... Cognitive Radio (CR) is a promising enabling technology for realizing opportunistic spectrum access. CR devices are capable of sensing and coordinating access to the idle portion of the spectrum, while not ...
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Design and Analysis of Opportunistic MAC Protocols for Cognitive Radio Wireless Networks
... Scheduling schemes have been extensively studied in the framework of cellular net- works [105–108]. In [105], scheduling algorithms were developed to exploit channel variation across users and allow the user with the ...
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Cooperative and fair MAC protocols for cognitive radio ad-hoc networks
... the MAC protocol focuses primarily only on a mechanism to avoid possible data collision between neighbor ...multichannel MAC pro- tocol for CRAHN is developed which orientates to the fairness in resource ...
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A survey on MAC protocols for complex self-organizing cognitive radio networks
... allocation MAC protocol is proposed in Hsu et ...ing radio) and data transmission (named data radio). Listening radio of each CR user keeps sensing channels in a logical ...
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Mac Protocols for Wireless Sensor Networks
... WiseMAC WiseMac is an infrastructure protocol. It assumes there is one central unit with unlimited energy supply and connection to an other high speed network e. g. Ethernet to exchange data packages. That is why this ...
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A SURVEY OF MAC PROTOCOLS FOR SENSOR NETWORKS
... of radio mode switches. In case of average sleep time percentage, S-MAC with 10% duty cycle (10% sense, 90% sleep) fares better than ...between radio modes is more frequent in the case of ...
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Multichannel MAC Protocols for Wireless Networks
... LCM MAC and compare them against two known multichannel protocols, DCA and MMAC, using the ns2 simulator with CMU wireless extensions ...the radio parameters being ns2 defaults. The radio ...
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Interference Minimization in TDMA MAC Protocols for WSNs
... Std Dev Figure 4. Number of 2-hop neighbors obtained for different path loss exponents and irregularities. Regarding to the interferences that are present with the LEMMA protocol, they result from the asymmetry of the ...
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Duty-Cycle MAC Protocols and Networking Overhaul
... network MAC protocols. For example, in S-MAC [1], each sensor node follows a periodic synchronized listen/sleep ...node’s radio is enabled, is divided into a SYNC period and a DATA ...
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MAC Protocols for Wireless Sensor Networks: A Survey
... Geographic Random Forwarding (GeRaF) is actually proposed as a routing protocol, but the underlying MAC algorithm is also defined in the work, which is based on CSMA/CA [15]. This work gives a complete (but not ...
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Has time come to switch from duty-cycled MAC protocols to wake-up radio for wireless sensor networks?
... routing protocols may be implemented in the underlying Network (NWK) layer module, which may also be ...on MAC protocols and WuR performances and to achieve fairness, the only changes among different ...
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A novel MAC Protocol for Cognitive Radio Networks
... The protocols in this category make use of an approach lying between random access and time-slotted access ...CR MAC protocol which has been developed is the SYN- MAC protocol [122], which divides ...
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PERFORMANCE OF THE GPRS RLC/MAC PROTOCOLS WITH VOIP TRAFFIC
... resources is necessary for maintaining a certain level of QoS, in delay terms. E. Conclusions and discussions about delay and loss results Considering the delay, we can establish an upper bound of 9 to 11 calls in a GPRS ...
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Energy Consumption and Fault Tolerance in the MAC Protocols for WSN
... Indeed, each node sleeps for a time and then wakes up and starts listening to see if there is another node wishing to initiate communication with him or wants itself initiates communication. During the sleep state, the ...
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MAC Protocols for Energy Conservation in Wireless Sensor Network
... Category 1 WSNs (C1WSNs): The sensor network consists of a forwarding node, which is a wireless router that supports dynamic routing for both the transmissions, namely wired and wireless regions of network. The actual ...
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Cognitive MAC protocols for mobile Ad-Hoc networks
... Defined Radio (SDR) Obviously, new notions about radio systems have been invented in the recent decades differentiating from the pure hardware-based ...of Radio Frequency (RF) bands and air interface ...
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Transmission protocols in Cognitive Radio Mesh Networks
... Division MAC Protocols In [8], the Time Division MAC Protocols follows the IEEE ...centralized MAC standard for ...The MAC frame is made of a DS sub-frame and a US ...division ...
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MAC Protocols for WBAN
... illustrates that CSMA/CA cannot be used in WBAN due to unreliable CCA and also rapid attenuation of electromagnetic waves occurs due to transmission through biological tissues. A study of the differences in the ...
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A Review of UWB MAC Protocols
... Fig. 4. Exchange of a control message in U-MAC As a summary, U-MAC optimizes both transmission power and rates where it utilizes the ranging capability of UWB to calculate the path loss based on distances ...
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