radio network temporary identifier
RADIO NETWORK OPTIMIZATION FOR BEGINNER
... LÝ CHẤT LƯỢNG/TỐI ƯU/QUẢN LÝ CẤU HÌNH) TP HCM 26/09/2008 Radio Network Optimization For Beginner Phan Hồi Hội Viettel Technologies RADIO NETWORK OPTIMIZATION FOR BEGINNER GIỚI THIỆU TỔNG QUAN CẤU ... kết nối mạng thoại mạng báo hiệu sau: Radio Network Optimization For Beginner Phan Hồi Hội Viettel Technologies Sơ đồ mạng thoại: Sơ đồ mạng báo hiệu: Radio Network Optimization For Beginner Phan ... dạng đồ hoạ Đo đạc tối ưu vơ tuyến (ROM: radio optimisation measurements): Tính cung cấp thơng tin quan trọng cơng suất thu, cơng suất phát, BLER, 24 Radio Network Optimization For Beginner Phan...
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Radio network planning and optimisation for umts 2nd edition phần 1 pptx
... Abbreviations Radio Network Subsystem Radio Network Subsystem Application Part Radio Network Temporary Identity Rollout Optimised Configuration Radio Resource; Receiver Report; Resource Request Radio ... Radio Link Radio Link Control Radio Link Control Protocol Resource Manager Receiver Maximum Segment Size Radio Network RAN Access Server Radio Network Controller Radio Network Planning xxviii RNS ... of Radio Network Planning 1.3 Introduction to Radio Network Planning and Optimisation for UMTS 1.4 Future Trends 1.4.1 Towards a Service-driven Network Management 1.4.2 Wireless Local Area Networks...
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Radio network planning and optimisation for umts 2nd edition phần 2 pptx
... the RNC and the BSs based on radio interface timing Radio interface synchronisation relates to the timing of the radio frame transmission in the DL direction In radio network planning, understanding ... cells on other FDD frequencies and those from other radio access technologies, such as GSM Radio Network Planning and Optimisation for UMTS 46 Radio frame (10 ms) #0 #1 #71 Slot (0.667 ms) #0 Uplink ... and a persistence-scaling factor (seven values, from to for ASC 2-7) set during radio network planning 52 Radio Network Planning and Optimisation for UMTS and randomly selects a signature from...
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Radio network planning and optimisation for umts 2nd edition phần 3 ppt
... steps of the radio network planning process in the case of a greenfield operator The process starts with the traffic and QoS definition and continues with network dimensioning and radio network planning ... seamless mobility of the users in the network by WCDMA Radio Network Planning 123 performing cell changes and handovers between the cells successfully in a live network Adjacency information is defined ... The exported data contain important network configuration and planned RRM parameters for network elements from a selected area or from the whole network Once the network is being operated and has...
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Radio network planning and optimisation for umts 2nd edition phần 4 ppsx
... is an operating network element with a connection to an Operation and Maintenance Centre (OMC), enabling effective networkwide mass operations for the radio network part Now the radio parameters ... preferably without major changes in the network configuration For 3G greenfield operators, rollout includes radio network planning, site acquisition, packet core network planning, construction work, ... average path loss difference 3.6.5 Guidelines for Radio Network Planning to Avoid ACI The simulations in Section 3.6.4 prove that with proper radio network planning the severest problems with ACI...
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Radio network planning and optimisation for umts 2nd edition phần 5 pot
... available radio interface resources for NRT radio bearers; to share the available radio interface resources between the NRT radio bearers; to monitor the allocations for the NRT radio bearers; Radio ... spreading codes Radio Network Planning and Optimisation for UMTS 256 4.7 Impact of Radio Resource Utilisation on Network Performance 4.7.1 Impact of Fast Power Control and Soft Handover on Network Performance ... little action during radio network planning Uplink scrambling codes are call-specific and are allocated in connection establishment by the RNC The uplink scrambling code 248 Radio Network Planning...
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Radio network planning and optimisation for umts 2nd edition phần 6 doc
... The main difference between radio network and transmission planning is that in the latter case the network should be planned to fulfil the capacity demands throughout the network s lifespan The topology ... services in 3G networks will also benefit from the statistical multiplexing gain achieved in ATM networks The delay characteristics of ATM networks are looser than those of TDM networks where ... micro-cellular network to operator 1’s WCDMA macro-cell network (Case in Figure 5.24) and from operator 1’s narrowband macro-cellular network to operator 2’s WCDMA micro-cell network (Case in...
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Radio network planning and optimisation for umts 2nd edition phần 7 pps
... s Network Network Planning and Planning and Development Development Network Network Provisioning Provisi oning Provisionng Network Network Inventoryy Inventor Management Management Network Network ... management requests via network element OSFs to network elements [13] 404 Radio Network Planning and Optimisation for UMTS 7.1.1.3 Network Resource Model This section introduces the Network Resource ... Care Processes Network Data Network Data Management Management Network and Systems Management Processes Network and System s Management Processe s Network Element Management Processes Network Element...
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Radio Network Optimisation Process for umts 2nd phần 8 pot
... Resource Figure 7.22 Radio network monitoring in a radio access network 7.3.3.3 Measurement Storing and Post-processing Storing of Raw Measurements It is necessary for the network element to retain ... ASSIGNMENT REQUEST NBAP :RADIO LINK RECONFIGURATION PREPARE NBAP :RADIO LINK RECONFIGURATION READY AAL2 Setup AAL2 Setup NBAP :RADIO LINK RECONFIGURATION COMMIT RRC :RADIO BEARER SETUP RRC :RADIO BEARER SETUP ... Figure 7.23 Triggering a successful radio resource control connection setup 432 Radio Network Planning and Optimisation for UMTS From the network to the network manager, measurement results...
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Radio Network Optimisation Process for umts 2nd phần 9 ppsx
... Radio Network Planning and Optimisation for UMTS 496 An essential difference between service and network performance parameters is that service performance parameters are user-oriented while network ... optimisation tools Network- dependent factors for a mobile service may cover: radio access performance; core network performance; transmission system performance data; call detail records; network probes; ... management) within individual network elements Radio Network Planning and Optimisation for UMTS 498 Service Quality Manager Service level Integrate all data from the network to determine service...
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Radio network planning and optimisation for umts 2nd edition phần 10 ppsx
... self-organising map, IEEE Transactions on Neural Networks, 11(3), pp 586600, 2000 [10] Laiho, J., Radio network planning and optimisation for WCDMA, Thesis (Doc Tech.), Radio Laboratory, Helsinki University ... Advanced WCDMA radio network simulator, ă ă ă ă Proc of PIMRC 1999, Aalborg, Denmark, October 1997, pp 509604 [18] Raivio, K., Simula, O and Laiho J., Analysis of mobile radio access network using ... subsystem based on radio network performance, Proc IEEE 5th WPMC 2002, October 2002, Honolulu, Hawaii, pp 752756 [38] Yang, J and Lin, J., Optimisation of power management in a CDMA radio network, Proc...
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báo cáo hóa học: " Cross-layer design for radio resource allocation based on priority scheduling in OFDMA wireless access network" docx
... al.: Cross-layer design for radio resource allocation based on priority scheduling in OFDMA wireless access network EURASIP Journal on Wireless Communications and Networking 2011 2011:28 Submit ... degradation of modulation level, is provided to further improve the utilization of radio resources 3.1 TSA scheme The radio resource to be allocated in one frame can be formed into a two-dimensional ... cross-layer design to improve the utilization of radio resource was proposed The proposed TSA scheme decreases the transmission overhead by regularizing the radio resources for individual traffic bursts...
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Báo cáo hóa học: " Research Article Intercell Radio Resource Management through Network Coordination for IMT-Advanced Systems Young-June Choi,1 Narayan Prasad,2 and Sampath " doc
... system needs network- level coordination of radio resources through a cross-layer approach between the network level and the radio level In this paper, we consider two different backhaul network architecture ... open-loop network MIMO schemes Both dynamic FFR and macro-diversity require coordinated RRM between neighboring BSs within the network We use RRM to refer to both radio resource management and radio ... that of network MIMO The concept of network MIMO (a.k.a multi-BS MIMO) to perform joint MIMO transmission and reception between multiple coordinated BSs and multiple users over the same radio resources...
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Báo cáo hóa học: " Research Article Assessment of Network Layouts for CDMA Radio Access" pdf
... extended by system-level simulations THEORY 2.1 Tessellations and network layouts Nominal network layouts are used in mobile radio network design for initial dimensioning and for guidance on selection ... antenna radiation pattern, network configuration, and service types The tool is setup with a number of network configuration, radio resource management (RRM), service type, network traffic, and propagation ... performance of the different network layouts for the base station antenna height Also the signal statistics of the different network layouts are analysed numerically over the whole network coverage area...
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Tổng quan về NAT (Network Address Translation)
... tham số hệ điều hành máy tính gán cách tự động thông qua giao thức DHCP Địa địa IP hợp lệ cấp NIC (Network Information Center) nhà cung cấp dịch vụ Internet Inside global address - Là địa hợp lệ ... dụng virtual server thay cho nhiều host thật (real server) Chúng ta tạo kết nối mạng ảo (virtual network) gồm nhiều mạch thật (real wire) dùng kỹ thuật virtual server Chúng ta làm điều với NAT ... NAT Có số trường hợp việc NAT truy tìm IP hoàn toàn không hiệu Đó ứng dụng virtual server virtual network traffic sinh IP phân chia Khi yêu cầu NAT truy tìm thêm TCP/UDP port cân tải giảm traffic...
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Network Managerment
... Object Identifier Real Network Management 9-25 TLV encoding: example Value, 259 Length, bytes Type=2, integer Value, octets (chars) Length, bytes Type=4, octet string Network Management 9-26 Network ... definition language r SNMP: protocol for network management r security and administration Ì presentation services: ASN.1 Network Management 9-2 Chapter outline Ì What is network management? Ì Internet-standard ... Transport Mappings r Security and Administration Ì ASN.1 Network Management 9-3 What is network management? Ì autonomous systems (aka network ): 100s or 1000s of interacting hardware/software...
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Network Layer
... link physical network data link physical network data link physical network data link physical network data link physical network data link physical network data link physical network data link ... multicast routing Network Layer 4-10 Network layer connection and connection-less service Ì datagram network provides network- layer connectionless service Ì VC network provides network- layer connection ... Network Layer 4-46 NAT: Network Address Translation rest of Internet local network (e.g., home network) 10.0.0/24 10.0.0.4 10.0.0.1 10.0.0.2 138.76.29.7 10.0.0.3 All datagrams leaving local network...
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Network Security
... practice: r firewalls r security in application, transport, network, link layers 8: Network Security 8-2 Chapter roadmap 8.1 What is network security? 8.2 Principles of cryptography 8.3 Authentication ... Chapter 8: Network Security Chapter goals: Ì understand principles of network security: cryptography and its many uses beyond “confidentiality” ... control: firewalls 8.7 Attacks and counter measures 8.8 Security in many layers 8: Network Security 8-3 What is network security? Confidentiality: only sender, intended receiver should “understand”...
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