Protocols For High Efficiency Wireless Networks

... traffic (if necessary) 32 Protocols for High- Efficiency Wireless Networks - Part I Protocols for High- Efficiency Wireless Networks - Part I 33 We consider the traffic balance for a given carrier Let ... PROTOCOLS FOR HIGH- EFFICIENCY WIRELESS NETWORKS This page intentionally left blank PROTOCOLS FOR HIGH- EFFICIENCY WIRELESS NETWORKS by Alessan...

Ngày tải lên: 12/10/2016, 13:41

... Wireless Sensor Networks (WSNs) 1.2 Energy Harvesting Wireless Sensor Networks (EH-WSNs) 1.2.1 Energy Harvesters for Sensor Nodes 1.2.2 Energy ... supplement the energy supply This technology is generically termed energy harvesting or energy scavenging 1.2 Energy Harvesting Wireless Sensor Networks (EH-WSNs) 1.2.1 Energy Harvesters for Sensor...

Ngày tải lên: 10/09/2015, 15:50

... to optimize their data centers, improve network reliability and contain costs Worksheet: Analyzing Your Data Center Design and Layout The key to maintaining a high-performance data network is the ... within your data center? g g g g 100%; our data center is completely full of equipment and there is no room for any more 75 to 99%; our data center is heavily utilized, but we hav...

Ngày tải lên: 27/10/2013, 17:15

... Do your racks and cabinets provide ample vertical and horizontal cable management? Yes No Page Section A A Planning Guide for Network Managers Section A A Planning Guide for Network Managers Fiber ... the data center Unlikely because we have plenty of room in the data center already Not sure Page Section A A Planning Guide for Network Managers Section...

Ngày tải lên: 21/12/2013, 07:17

... and time-demanding for dense local area network deployments Moreover, as we show here, fixed frequency reuse may result in suboptimal system performance By letting the devices locally coordinate ... problem, where the system performance would benefit from allowing more spatial reuse of radio resources in order to obtain higher areal spectral efficiency To this end, interference-aware MA...

Ngày tải lên: 21/06/2014, 05:20

... decreasing SNRest than In this work, we investigated different channel estimation protocols for two-hop AF relaying networks (single-user and multiuser) in the presence of additive estimation noise and ... Networking their respective gain factors In the following, we derive expressions for the channel estimates as a function of the actual channel...

Ngày tải lên: 21/06/2014, 17:20

... coding to maintain a near-MAP performance in frame error ratio [5] In this paper, its performance with the aid of H-ARQ is investigated In order to validate MFCSO from VLSI implementation perspectives, ... paper MultiAntenna in LTE and WiMAX Wireless standards such as 3GPP LTE and WiMAX have incorporated MIMO transmission schemes to boost the peak data rate Meanwhile, software-define...

Ngày tải lên: 21/06/2014, 17:20

... system design using secure dynamic spectrum access control First, we propose a collision-free frequency hopping (CFFH) system based on the OFDMA framework and an innovative secure subcarrier assignment ... [11, 18], for example Then, we use the secure subcarrier assignment algorithm to select the group of subcarriers for each user at each hopping period In the following, we...

Ngày tải lên: 21/06/2014, 20:20

... distributions for the desired link and interfering link, such as the Rayleigh for the channel envelope of the desired link, and Rician for the interfering link, or vice versa Using (3) and (5), the SIR ... important in studying the performance of selforganizing self-configuring networks For the interference scenario described in the system model, the path loss for the desired path...

Ngày tải lên: 21/06/2014, 22:20

... Algorithms, Systems and Applications, 2008 References [1] W Guo, X Huang, and Y Liu, “Dynamic relay deployment for disaster area wireless networks, ” Wireless Communications and Mobile Computing, ... Communications and Networks (SECON ’07), pp 512–519, San Diego, Calif, USA, June 2007 EURASIP Journal on Wireless Communications and Networking [19] Y T Hou and Y...

Ngày tải lên: 21/06/2014, 23:20

... interference-based assignment In this paper, two interference-based subcarrier group assignment strategies are introduced for multicell MC-CDMA systems In least interfered group assignment (LIGA), ... coherence bandwidth) Assume for grouped MC-CDMA that each G subcarriers constitute a group over which individual streams will be spread As a result of subcarrier grouping...

Ngày tải lên: 22/06/2014, 00:20

... interference-based assignment In this paper, two interference-based subcarrier group assignment strategies are introduced for multicell MC-CDMA systems In least interfered group assignment (LIGA), ... coherence bandwidth) Assume for grouped MC-CDMA that each G subcarriers constitute a group over which individual streams will be spread As a result of subcarrier grouping...

Ngày tải lên: 22/06/2014, 06:20

... MAC designs should control contentions and collisions over the shared wireless channel and deliver stable performance Protocol overhead scalability The third aspect in scalable wireless MAC design ... modeling the DCF MAC The result cannot be readily applied to high-speed wireless networks The MAC design in high-speed wireless networks, such as IEEE 802.11n, 12 EURAS...

Ngày tải lên: 22/06/2014, 19:20