dynamic radio resource management in 3gpp 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

... opportunistic reutilization (maximizing/minimizing) of the algorithm known as Hungarian method is proposed as a feasible solution for the dynamic allocation in LTE uplink. A pre-processing consisting in splitting the bandwidth ... candidates, and that in order to find the optimal allotment, all n! combinations would have to be checked until finding the optimal combination providing the minimum global cost (sum of the indivi- dual ... modified version of the Hungarian method in a feasible way, leading to an alternative to overcome the allocation constraints found in the LTE uplink. 5. Conclusion In this paper, a methodology which...

Ngày tải lên: 21/06/2014, 00:20

... 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

... scheduling of uplink single-carrier FDMA systems,” in Proceedings of the IEEE 17th Internat ional Sym- posium on Personal, Indoor and Mobile Radio Communications (PIMRC ’06), pp. 1–6, Helsinki, Finland, ... Kolehmainen, T. Henttonen, M. Moisio, and M. Rinne, “Mixed traffic packet scheduling in UTRAN long term evolution downlink,” in Proceedings of the IEEE International Symposium on Personal, Indoor ... “Utran long term evolution in 3GPP, ” in Proceedings of the IEEE 17th International Symposium on Personal, Indoor and Mobile Radio Communications (PIMRC ’06), pp. 1–5, Helsinki, Finland, September 2006. [4]...

Ngày tải lên: 21/06/2014, 11:20

... 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 ... MIMO schemes. Both dynamic FFR and macro-diversity require coordi- nated RRM between neighboring BSs within the network. We use RRM to refer to both radio resource management and radio resource managers. If dynamic ... 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

... Altman, “Handover adaptation for dynamic load balancing in 3GPP long term evolution systems,” in Proceedings of the International Conference on Advances in Mobile Computing & Multimedia (MoMM ’07), ... stage in serving eNB and for an admission control stage in target eNB as shown in Figure 2. In an LTE system, the handover decision in the handover preparation procedure is made by the radio resource ... for minimizing the HFR in 3GPP LTE system, we apply the cost function of the vertical handover decision strategies given in (1). Also, in order to make it possible to solve the problem in real-time...

Ngày tải lên: 21/06/2014, 17:20

... 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, ... Channel Satellite Terminal RED Random Early Detection RF Radio Frequency RHC Receding Horizon Control ler RLC Radio Link Control RNC Radio Network Controller RRM Radio Resource Management RSP Recovery ... 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

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