ENERGY EFFICIENCY IN COMMUNICATIONS AND NETWORKS pdf
ENERGY EFFICIENCY IN COMMUNICATIONS AND NETWORKS pdf
... consumes minimal power and avoids inaccuracies due to gain errors and offsets. In (Jimenez-Irastorza et al. 2011) an interesting Time-to-Digital converter (TDC) achieving high energy efficiency ... putting the same constellation on symmetrical subcarrier pairs, and combining the pair coherently at the receiver, the phase shifts caused by SFO on Energy Efficiency in Communications and Networks ... domain. In recent years, the demand of more and more performance (speed and/ or resolution) within a limited energy budget has pushed the IC research community to put a huge effort into increasing...
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Recent Advances in Wireless Communications and Networks Part 8 pdf
... diversity order d∗= min{NL, ML}.217Near-Optimal Nonlinear Forwarding Strategy for Two-Hop MIMO Relaying Recent Advances in Wireless Communications and Networks 210 Engineering and Technology ... group is developing standards to enable handover and interoperability between heterogeneous network types, including both 802 and non 802 networks. The standard provides quick handovers of data ... filtering and event classification corresponding to dynamic changes in link characteristics, link quality and link status. It acts all the instances to make event detection and notify, still maintaining...
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Tài liệu Knowledge Managing and Knowledge Management Systems in Inter-organizational Networks pdf
... less intentionally. The concept ofcreating, coding, storing, distributing, exchanging,integrating, and using knowledge in organizationsis not new, but management practice is becomingincreasingly ... organization has to qualify by giving and receiving gifts. Exchanging gifts means initiating and maintaining interactions. It is not only digitalproducts or services being affected by ‘gift econo-my ... suggest a number ofchanges regarding using ICT and KMS in inter-organizational networks. For example, inter-organizational KMS will increasingly be built and Knowledge and Process Management200...
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ElasticTree: Saving Energy in Data Center Networks pdf
... cooling these servers, and at the same time, powering off unused switches willresult in cooling energy savings. We do not includethese extra costs/savings in this paper.3.1 Traffic Patterns Energy, ... baseline and ElasticTree cases, and onlyinclude active (powered-on) switches and links forElasticTree cases. Since all three switches in Ta-ble1 have an idle:active ratio of 3:1 (explained in §2.1), ... to advoca te con-serving energy in networks. They suggested puttingnetwork components to sleep in order to save en-ergy and explored the feasibility in a LAN setting in a later paper [18]....
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Recent Advances in Wireless Communications and Networks Part 1 pptx
... on joint call admission control in integrated wireless local area networks (WLAN) and cellular networks. Chapter 10 is devoted to studying near-optimal nonlinear forwarding strategies in two-hop ... knowledgeable and successful researchers in the world. Each chapter was written in an introductory style beginning with the fundamentals, describing approaches to the hottest issues and concluding with ... in theory and engineering development in practice, and as a messenger between the technical pioneers and the researchers who followed in their footstep. This book, titled Recent Advances in...
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Recent Advances in Wireless Communications and Networks Part 2 doc
... classified into two categories: continuous and discontinuous as shown in Fig. 10. These two categories can be subdivided into three types: intraband contiguous, intraband discontinuous and interband. ... eliminate intersymbol interference and intercarrier interference. In general, the symbol timing offset may vary in an interval that is equal to the guard time and does not cause intersymbol interference ... timing offset is much higher in multicarrier communications than in single carrier communications because of intersymbol interference. The mismatch or instability of the local oscillator inevitably...
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Recent Advances in Wireless Communications and Networks Part 3 doc
... complexity and the extent of channel state information required at the receiver, we will introduce four types of combining schemes, including selection combining, switch combining, EGC, and MRC, in ... (Giannakis et al., 2006). In this section, we first present various receive diversity schemes, including selection combining, switch combining, equal-gain combining (EGC), and MRC. The well-known ... Recent Advances in Wireless Communications and Networks 62 2.1.3 Maximum ratio combining Fig. 3 shows the block diagram of the MRC scheme. MRC is a linear combining scheme, in which multiple...
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Recent Advances in Wireless Communications and Networks Part 4 ppt
... αg,c),(39)104Recent Advances in Wireless Communications and Networks Recent Advances in Wireless Communications and Networks 88 4.2 Conventional beamforming A conventional beamforming scheme is to ... Advances in Wireless Communications and Networks 86 4.1 Linear array and signal model Fig. 16 depicts a linear array with L omni-directional and equi-spaced antennas, and the antenna spacing ... Will-be-set-by -IN- TECHSpatial stream parserInput bitsSTBCSymbolmappingSegmentS/PGroupingSpreadingGO-CDMSymbolmappingSegmentS/PGroupingSpreadingGO-CDMAntenna mappingCDD IFFT CPCDD...
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Recent Advances in Wireless Communications and Networks Part 5 pptx
... in Wireless Communications and Networks Optimal Resource Allocation in OFDMA Broadcast Channels Using Dynamic Programming 13Fig. 11. Achievable points for u =[1, 2], and their convex hull. In ... corresponding users’rate vector are obtained from (8) and shown in Fig. 6 as a marker point in the boundary of therate region. Therefore, the marker points are the points ofR0located in the ... solution of (16), and hence to identicalpoints/markers in the boundary of the rate region. The convex hull of the marker points126Recent Advances in Wireless Communications and Networks Optimal...
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