... “Polarization Division MultipleAccess With Polarization Modulation for LOS Wireless Communications” by Bin Cao, Qin-Yu Zhang, and Lin Jin discusses a potential multipleaccess and modulation ... fair and efficient wirelessaccessin challenging interference scenarios, for example, multiple networks deployed in the same geographical area and sharing a common band. In 1976, an ALOHA ... algorithm increases only linearly with the number of users. In this algorithm, the different CFOs from different users destroy the orthogonality among training sequences and introduce multiple access...
... extremelylarge in the case of unconstrained channel access, resulting in a low inherent statisticalmultiplexing gain. By combining CDMA with PRMA, it is possible to control the access of users ... (Ploss)max in multiples of σKd Hamming distancedilInterleaving depthdminMinimum Hamming distancee Error correcting capability of an (L, B, e) block code; also 2.718 282fCAFChannel access ... frequency channels) in GSMMAI MultipleAccess InterferenceMAIO Mobile Allocation Index Offset (for frequency hopping in GSM)MBS Mobile Broadband SystemMCS-1 Modulation and Coding Scheme 1 (for...
... Conclusion is drawn in Section 4.2. Delegation Protocol with Limits onReading TimesWhenamobilereaderisinanoff-line access situation, wetry to limit its reading times. Hence, we propose a protocol that ... occasion.Hence, a mobile reader has been developed in recentyears to combine mobile technology with traditional RFIDsystems, through the integration of reading chips, PDA, and mobile devices, hence mobile ... medium, provided the original work is properly cited.To achieve off-line delegation for mobile readers, we propose a delegation protocol for mobile RFID allowing its readers access to specific tags...
... 3.00.20.40.600.20.40.600.20.40.6Loadingonlink1Loadingonlink 2Loading on link 3(a) F1, boundary of stability region with link 1 in nitely backlogged00.20.40.600.20.40.600.20.40.6Loading on link1Loading ... link 2Loading on link 3(b) F2, boundary of stability region with link 2 in nitely backlogged00.20.40.600.20.40.600.20.40.6Loading on link 1Loading onlink2Loading on link ... 1Loading on link 1Loading on link 2Partial interferenceBinary interferenceStability region of slotted ALOHA(a) p1= p2= 0.200.20.40.60.810 0.2 0.4 0.6 0.8 1Loading on link 1Loading...
... discussed, inserting training symbols is a heuristic way to improve the performance. It is shown in the25Decentralized estimation over orthogonal multiple- access fading channels inwireless ... communication SNR levels. Itis interesting to see that using more training symbols does not improve the performance of the MLE asexpected, because inserting training symbols will reduce the energy ... ts in [19], in di catethat the separate source-channel coding scheme is optimal in fading channels with orthogonal multiple- access protocols, which outperforms AF transmission, a simple joint...
... communication SNR levels. Itis interesting to see that using more training symbols does not improve the performance of the MLE asexpected, because inserting training symbols will reduce the energy ... first inequality in (76) and t he second inequality in (77) are satisfied. From the conditionf(θ)(θ − Φ) < 0, it is not hard to find that the second inequality in (76) and the first inequality in ... Furthermore, since the estimation quality of the first stage is available, we use BLUE to obtainˆθ for exploiting the quality information instead of using the MLE in the M-step as in the standard...
... 1-58053-727-810 9 8 7 6 5 4 3 2 1TEAM LinG30 Advances inMobile Radio Access Networks increase the efficiency of power amplifiers while maintaining linearity. Since the efficiency of the state-of-the-art ... Figure 2.6 PA Consulting’s software radio-based WCDMA base station. TEAM LinGAdvances in Mobile Radio Access NetworksTEAM LinGTEAM LinG62 Advances inMobile Radio Access Networks ... UE-based solution maintains a fully functional GPS receiver in the terminal. This requires the same functionality as described in terminal-assisted GPS, plus additional means for computing the position...
... I A L Open Access Localization inmobilewireless and sensornetworksMonica Nicoli1*, Sinan Gezici2, Zafer Sahinoglu3and Henk Wymeersch4Accurate localization or tracking of wireless de ... a very large database of RSS fingerprints.Machine learning techniques are employed to extractthe location information from online RSS measurementsshowing promising performance for room-level ... errors, indoorpositioning, and localization inwireless sensor networks(WSNs).The first group of articles deals with the interaction ofpositioning and communications at different layers ofthe protocol...
... incomplete cooperative game theory in wireless networks. In [9, 10], authors used the concept ofincomplete cooperative game theory inwireless networks forfirst time and proposed the G-MAC protocol ... self-organizing and distributed networks as there are nocentral nodes to assign channel accessin sensor nodes. In sensor networks, each node has a direct in uenceon its neighboring nodes while accessing ... all these information arenot necessarily available in incomplete information game[13].2.1. Incomplete Cooperative Game. As we mentioned earlier,energy efficiency of MAC protocolin WSN is very...
... software and information distribution. Initially, almost all of these applications were being used in intranets or in MBONE, and now, there are some Internet service providers providing supports ... number of nodes in the multicast tree can continue to change and multicast tree need to adapt to the movement node (including or excluding of certain forwarding nodes of the tree). In order to ... mechanisms which are used for the handling of sequence numbers in many link-state routing protocols such as OSPF or in the building a spanning tree algorithm. It is enough to ensure that nodes can...