cognitive radio resource management in lte

... research inter- ests are in the area of radio resource management techniques and MAC and signaling layer protocols for high-speed wireless-access networks using OFDMA/CDMA technologies including 3G ... interests are in general wireless communication, mobile networks, and system per- formance analysis; and in particular QoS-aware radio resource management, joint study of wireless physical/link ... ra- dio networks involving hybrid networking and access tech- nologies are envisioned in 3G+ systems. In such systems, radio resource management (RRM) plays a major role in the provision of QoS...

Ngày tải lên: 22/06/2014, 22:20

... A, 3 km/h selective combining and increasing the number of received radio links provides reduction in the transmitted power in- dependently of the combining technique. In Figure 8, for the reference ... combining concept consists of re- ceiving redundantly the same information bearing signal over two or more fading channels, and combine these mul- tiple replicas at the receiver in order to increase ... combining (SC) and maxi- mal ratio combining (MRC). 4.1. Selective combining Figure 4 shows a scheme of how selective combining oper- ates at the receiver side. With SC the path/branch yielding the...

Ngày tải lên: 22/06/2014, 22:20

Ngày tải lên: 01/01/2014, 18:47

... found in the “Managing Resource Pools” section of the vSphere Resource Management Guide [2]. Understanding Memory Resource Management in VMware® ESX™ Server W H I T E P A P E R VMware, Inc. ... guest operating system running inside the SPECjbb, kernel compile, and Swingbench virtual machines was 64-bit Red Hat EnterpriseLinux5.2Server.TheguestoperatingsystemrunninginsidetheExchangevirtualmachinewasWindowsServer2008. ... only) Fromthisgure,itisseenthatwhenthevirtualmachinememorylimitdecreasesbeyond2816MB,thethroughputofSPECjbb degradessignicantly in bothballooningandswappingcases.Whenthememorylimitisreducedto2048MB,thethroughputlosses are89percentand96percentforballooningandswappingrespectively.SincetheconguredJVMheapsizeis2.5GB,theactual virtualmachineworkingsetsizeisaround2.5GBplusguestoperatingsystemmemoryusage(about300MB).Whenthevirtual machinememorylimitfallsbelow2816MB,thehostmemorycannotbacktheentirevirtualmachine’sworkingset,sothatvirtual machinestartstosuerfromguest-levelpaging in theballooningcasesorhypervisorswapping in theswappingcases. Since SPECjbb is an extremely memory intensive workload, its throughput is largely determined by the virtual machine memory hit rate. In this instance, virtual...

Ngày tải lên: 17/03/2014, 15:20

Ngày tải lên: 24/03/2014, 00:21

... Activities 2.1. 2.2. Unlicensed Band Licensed Band 3. Inter-Domain Radio Resource Management 3.1. 3.2. 3.3. Radio Resource Broker Concept Resource Usage Optimization Radio Resource Redistribution 4. Workload Characterization 4.1. 4.2. Measurement Empirical ... existing, policing can be removed from the data path, giving reduced latency and complexity [42]. (ii) Packet classifying, queueing and scheduling Packet classifying, queueing and scheduling are ... shaping, policing, pricing, packet classifying, queueing and scheduling. In mobile and wireless environments, error control and ah hoc routing are also very important issues. (i) Traffic shaping,...

Ngày tải lên: 01/06/2014, 12:51

... issues as well as train- ing programs at the local levels to enhance human resource management capacity. Issues relating to financial constraints, infrastructure and poor working environment must ... for human resource management in the health facilities. The doctor is appointed by the head of the policlinic, and the head of the policlinic is appointed by the Ministry of Property Management. ... unemployment in Georgia may complicate these findings since health care workers may be afraid of losing their jobs. However, anecdotal reports suggest that providers in Georgia attempt to find alterna- tive...

Ngày tải lên: 18/06/2014, 17:20

... declining with increasing of visited number n(s, a), and tempera- ture T s negative exponential declining with increasing of visited number n(s), where n s =  a∈A n s,a . 3.3. Fast resource management: ... resource management. In addition, large density of femtocells deployment can also bring a gain of improved joint fast resource management. Here, we only consider the downlink transmission. In the ... radio resource management schemes can effectively improve radio resource utility and system performance of the whole network. Keywords: radio resource management, public femtocell networks, resource...

Ngày tải lên: 20/06/2014, 22:20

... each link, T m (i), observed in the ith frame. The interference channel gains g nm,k from the transmitting node of link n to the receiving node of link m are estimated from the IA message. In order ... impact of transmission on link n using resource k to the other cell links, we need to first determine the interference contribution from the links in L s to other cell links. T his is denoted by ... optimal, taking the instantaneous state of all links into account. In practice, not all the interference messages will be heard. Then the decisions will take only local information into account in the...

Ngày tải lên: 21/06/2014, 05:20

... RRC (radio resource controller) is located. A RRA collects information on radio resources and supervises the MAC and PHY functions including power control. A RRC collects radio resource information ... between neighboring BSs within the network. We use RRM to refer to both radio resource management and radio resource managers. If dynamic FFR is deployed in the system, designated neighboring BSs of ... neighboring cell at a particular cell-edge user, the two BSs (serving BS as well as the dominant interfering BS) are coordinated such that the dominant neighboring BS will not use a certain quantity...

Ngày tải lên: 21/06/2014, 11:20

... broadcasting, digital radio broadcasting, interactive multimedia services and Internet connectivity Uplink: DVB-RCS (TDMA) Downlink: DVB-S Uplink: 13.75, 14- 14.50, 29.50-30 GHz Downlink: 10.70, ... distance learning and Internet services Uplink: FDMA/ TDMA Downlink: TDMA Uplink: 27.5-30 GHz Downlink: 17.7-20.2 GHz Ka band Thuraya 2GEO Voice telephony, fax, data, short messaging, location determination, emergency ... advantage, since it permits a transponder’s TWTA to operate at or near saturation, thus maximizing downlink C/N. However, interference is not totally eliminated, since it is present in the form of inter-symbol...

Ngày tải lên: 27/06/2014, 01:21

... consulting, x controlling, x communication consulting, x marketing, x information management, x outplacement consulting, x human resource management, x management consulting, x project management, ... Seminare » » Coaching und Einzeltraining » » Teamtraining und Moderation » Education & Training Assessment Procurement of Resources » System for assessing employees » MbO system » Audit and coaching conversation » Personnel ... Seminare » » Coaching und Einzeltraining » » Teamtraining und Moderation » Education & Training Assessment Procurement of Resources » System for assessing employees » MbO system » Audit and coaching conversation » Personnel...

Ngày tải lên: 28/06/2014, 00:20

... consulting, x controlling, x communication consulting, x marketing, x information management, x outplacement consulting, x human resource management, x management consulting, x project management, ... Job Grading » Integrated Performance Management » Compensation Benchmarks Management Consulting Business Process Reengi- neering Controlling Information Management » Strategy » Corporate Management » ... present book we invited both HR professionals and managers from leading consulting firms as well as scholars investigating HRM within the consultancy industry. In the following, we will introduce...

Ngày tải lên: 28/06/2014, 22:20

... receiver. In the return link, each terminal could in principle implement direct spreading within the assigned time and frequency slot (MF-TDMA approach). • Fading countermeasures: the more challenging ... technologies. In its role as global spectrum coordinator, ITU-R develops and adopts the Radio Regulations, a voluminous set of rules that serve as a binding international treaty governing the use of the radio ... also plays a vital role in the management of the radio- frequency spectrum, a finite natural resource that is increasingly in demand due to the rapid development of new radio- based services and...

Ngày tải lên: 05/07/2014, 19:20

... have provided a continuous support to this initiative. Finally, a very special thank is for my Collaborator, Dr. Ing. Paolo Chini, for his significant support in helping me during these years of ... decided in September 2005 to organize the results obtained in a book. With the end of SatNEx activities in March 2006, the work of this book continued in SatNEx II (IST-027393, 2006–2009) in the ... Electronic En- gineering, Italy • UVI - Universidad de Vigo, Departamento de Ingenier´ıa Telem´atica, Spain. I had the pleasure to coordinate the ja2430 activities, organizing 4 peri- odical meetings (plus...

Ngày tải lên: 05/07/2014, 19:20

... Engineering, Engineering School, Bellaterra 08193 - Barcelona, Spain angeles.vazquez@uab.es Fausto Vieira UAB - Universitat Aut´onoma de Barcelona, Dpt. Telecommunications and Systems Engineering, Engineering ... Giambene was born in Florence, Italy, in 1966. He received the Dr. Ing. degree in Electronics from the University of Florence, Italy, in 1993 and the Ph.D. degree in Telecommunications and Informatics ... entitled “Integrated Space/Terrestrial Mobile Networks”. He also contributed to the Resource Management activity of the Working Group 3000 within the RACE Project, called “Satellite Integration in the...

Ngày tải lên: 05/07/2014, 19:20

Ngày tải lên: 05/07/2014, 19:20

Ngày tải lên: 05/07/2014, 19:20

Ngày tải lên: 05/07/2014, 19:20

Ngày tải lên: 05/07/2014, 19:20