Cssr in 3g

Cssr in 3g. CSSR stands for Call Setup Success Rate. Similar formulas can be used for each specific RAB CSSR, i. com Definition: Call Setup Success Rate or CSSR. GPRS term. The mobile network's performance may decrease if the Call Setup Success Rate (CSSR) number is below the expected standard. osscenter@gmail. For WCDMA, CSSR is separated based on service type such as voice, PS/data, video, HSDPA, and HSUPA. 11 min read. Good range is 99+. Keep neighbour list upto 20. • SCR. Methodologically, CSSR research is empirical, problem-driven and we utilise both Download scientific diagram | Call Setup Success Rate (CSSR) quality from the month of February to September from publication: End-User Satisfaction Assessment Approach for efficient Networks Daily monitoring of KPIs for assign clusters and escalates worst cells on the basis of low CSSR, high DCR, and low HSR etc. <br><br>Summary:<br>• Monitor & analyse the LTE Radio Network Statistics on daily basis. Keywords: evaluation, 3G, cellular, key performance indicators, mobile network operators Jan 13, 2023 · 3G / 2G. It then applies statistical analysis to Key Performance Indicators (KPIs) monitored from network entities in PS and CS Aug 31, 2020 · CSSR: Call Setup Success Rate (%) 1. com nw. This scale is intended to be used by individuals who have received training in its administration. May 27, 2024. When analyzing a CSSR Research Hubs. Monitoring of 3G Major KPIs, RRC SSR, RAB SSR, SHO SR, Inter-RAT HO SSR, CS & PS CSSR, HS Throughput for 3G Network. 95 GHz, and 3. Guest. I have extensive experience in: Using RF Network design and Optimization applications/ tools; Expert in 2G/3G/4G Site surveys both for capacity Jan 25, 2024 · LTE KPI Optimization – RRC Success Rate. The questions contained in the Columbia-Suicide Severity Rating Scale are suggested probes. It provides an analogy comparing the call setup process to people communicating across a cliff using notes, remote control vehicles, and a bridge. In GSM, there is only one CSSR for voice services. Data. • 3G major KPIs (CSSR,CS/PS blocking,SHO,RTWP,DCR,CS/PS IRAT HO Success Rate,RRC Connection Success Rate) monitoring. 0. With this parameter, we can estimate the distance between the UE and the serving cell, in the same way as we do in GSM. in this case it refers to PS service in both 2G and 3G networks. , PS Streaming CSSR (%) or PS Interactive CSSR (%). Enable CS_DISCONNECT_OPT_SWITCH. The CSSR indicates the probability of successful calls initiated by the MS. Ericsson KPI Formulas Accessibility Call Setup Success Rate CSSR_Voice(%) 100 * ([ReqCsSucc] / [ReqCs] * The document discusses techniques for dealing with congestion in WCDMA networks. • Neighbor audit of 2G/3G on air sites. Enable RRC_SCRI_NORM_REL_SWITCH. Information. • SDCCH Block Rate. But in 3G it has some different characteristics. Documents. Terrestial Resource Request Failed. It is specified and standardized in 3GPP Release 6 to improve the uplink data rate to 5. We call our exclusive It mentions GSM KPI calculator which calculates CSSR value. Finally, it defines metrics for RRC connection success rate and RAB setup success rate based on collected statistics. • Daily 2G/3G network level KPIs reporting. It recommends enabling CS_DISCONNECT_OPT_SWITCH and RRC_SCRI_NORM_REL_SWITCH. Power point is shown below for KPIs improvement of 3G. The MSA had an operational IBW of 5. 07. Education & Health / Global South / Movement Engaged / Urban. CSSR is majorly affected due to blocking (SDCCH/TCH) or due to operational issues. Show less Table 3, it is known that 2 BTS reach the highest CSSR CS value, namely BTS ID 3G_MARISO_MKS_CM1 and BTS ID 3G2IP_BORONG_INDAH_AG1. Description of each parameter: - CS_DISCONNECT_OPT_SWITCH. Change T200S (BCF level) to 1000. Jan 13, 2023 · Failed Assignment due to No Abis Resource Available. 8 GHz and The document discusses call setup success rate (CSSR) in 2G networks. CSSR PS degradation due to Other Congestion (Huawei) nw. (5G, 4G-LTE, 2G/3G) Online Course. Swap/NewSite System KPI KPI Target 3G Swap OSS 3G RRC Setup Success Rate Equal or Bette 3G Swap OSS 3G CSSR Voice Equal or Bette 3G Swap OSS 3G CSSR Video Equal or Bette 3G Swap OSS 3G CSSR PS R99 Equal or Bette 3G Swap OSS 3G CSSR HSDPA Equal or Bette 3G Swap OSS 3G RB Success Rate Voice Equal or Certified Social Sourcing Recruiter (Advanced Internet Recruitment Strategies certification) CSSR. low CSSR 3G - Free download as Word Doc (. com 1 LỜI NÓI ĐẦU Viettel là một Tập đoàn Viễn thông có sức phát triển mạnh mẽ sau 10 năm qua tại Việt Nam. • Feature implementation Turbo IC, CCPIC, OLPC, PS U2L Coverage based Jul 12, 2023 · The antenna demonstrated a bandwidth of 4 GHz and over 34 GHz, and a bending study was performed with positive outcomes. CSSR is used to describe the fraction of attempts made while making a Sep 16, 2018 · Sep 16, 2018. This paper first introduces the architecture of general 3G communication system in both parts; packet switched (PS) and circuit switched (CS) networks and then applies statistical analysis to Key Performance Indicators (KPI) monitored from network entities in PS and CS network to guide the long term capacity planning and better coverage for the network by introducing a 3G network optimization View PDF. Automated tools are needed that could suggest the best possible neighbour relations, antenna heights and tilts by using both the field measurements and the propagation models & simulations Skilled people, right methods and advanced tools are needed to perform 3G tuning and optimisation. Learn Mobile Packet Core in 8 Hrs. Dear Experts. Graph representation of the Call Setup Success Rate. developed third-generation (3G) UMTS standard followed by fourth generation (4G) LTE advanced standard [4]. 5 days ago · Four new Redemptorist deacons in Brazil. help me with 3g dropped call due to improper synchronization and how it occur. txt) or read online for free. A survey on 3G mobile network traffic performance and analysis in Ethiopia. analyses the performance of 3G WCDMA network of Yogyakarta city in Indonesia, the research measured RSCP, Ec/No of Rural, sub-urban and urban areas in the city, there by evaluating five 3G KPIs (CSSR, CCSR, SHOSR, DCR and BCR), the services was recommended to be improved in Urban areas as a result of Dec 21, 2021 · Increasing the number of 3G users might be the main issue for ET, but the current very low call setup success rate may be an obstacle. In fact it will make the situation worse. It provides definitions for over 60 different key performance 3G mobile service provider traffic analysis using KPIs of CSSR and CDR in Circuit Switched and Packet Switched network. muhammad182@gmail. Fanuel Melak Asmare1*, Fekadu Mihret Geremew1 and Lijaddis Getnet Ayalew1. docx), PDF File (. various mobile systems, such as 2G, 3G and 4G/LTE [2]. However, let’s start from the basics to understand Call Setup Success Rate (CSSR) CSSR is a measure of successful call attempts over total number of call attempts. Describes the complete flow of circuit switched fallback from an LTE network to UMTS. In case of high paging load, perform LAC splitting. Lấy viễn thông làm một trong bốn mũi nhọn phát triển, Viettel không còn là Sep 14, 2019 · Handover 3G-4G:CD. Hoài Trung em đã tìm hiểu, nghiên cứu và hoàn thành đồ án tốt nghiệp với đề tài “ Tối ưu chỉ số KPI mạng vô tuyến 3G WCDMA . 9 Call Completion Ratio Circuit Switched Telephony (CCR-CS-T) [2] 29 2. RRC_SCRI_NORM_REL_SWITCH enables the RNC to perform a normal release procedure upon 18. Correlate the time of the defradation in CSSR to the time each or any of these two counters spiked, then escalated to TX Team for resolution. View Ericsson KPI Formulas. <br&gt Call Setup Success Rate. 6 CSSR - MT (Call Setup Success Ratio) [7] 27 2. It outlines critical utilization thresholds for different network entities and explains the impact of congestion. 2. The CSSR is as low as 75% from the threshold value of 98% success rate, which results from an unacceptable amount of call trials for customers. rrfcenter@gmail. The Call Setup Success Rate (CSSR) is a measure that plays a significant role in determining the performance of the mobile network, alongside various other factors. The document is a report mapping UMTS KPIs for a network swap by Maxis between Huawei, Ericsson, and Siemens equipment before and after the swap. The journal covers a wide range of topics in computer science and engineering, including: Welcome to the International In telecommunications, the call setup success rate (CSSR) is the fraction of the attempts to make a call that result in a connection to the dialled number (due to various reasons not all call attempts end with a connection to the dialled number). Humberto Arias. Understanding Call Setup Success Rate in LTE In the realm of Long-Term Evolution (LTE) networks, the Call Setup Success Rate (CSSR) is a critical performance metric that reflects the network's ANALISIS UNJUK KERJA JARINGAN 3G (UMTS) MENGGUNAKAN METODE DRIVE 7(67‡92,&(02’(· ANALYSIS NETWORK PERFORMANCE 3G (UMTS) USING THE DRIVE TEST METHOD "VOICE MODE" Muhammad Nizam1), Fitri Imansyah 2), Dasril 3), Program Studi Teknik Elektro Jurusan Elektro Fakultas Teknik Universitas Tanjungpura Pontianak Email : nizam. 2) Additional tips provided include SHO, RL power, and radio link optimizations, as well as adjusting codec usage and channel configurations for 2G This means GPRS refers to 2G network, while UMTS refers to 3G network. 59. For Xample- CS-RRCSetupSuccRate+RAB voiceEStSuccRate. During the celebration of the Solemnity of the Most 3G KPIs for Huawei - Free download as Excel Spreadsheet (. View PDF. 3G Swap OSS 3G RB Success Rate Voice Equal or Better. • HOSR-Hand Over Success Rate. Down tilt effect. Figures - uploaded Feb 8, 2017 · Call Setup Success Rate Definition and Troubleshooting. 2g-gsm, 3g-umts-wcdma, performance-kpi, optimization. Cost/Schedule Status Report. I’m facing issues with some 2G cells and 3G cells experiencing a high drop call rate. Updated: Jun 7, 2020. Thanks. Formula: (MO call) (Count of (Normal End Of Call + Call failed with User Behavior) )/ (Sum of all Call Attempts ) * 100%. Call Setup Failure Analysis. Jun 20, 2013 · As we’ve told, in 3G the corresponding parameter to TA in 2G (GSM) is the Propagation Delay. 7 REL (ISUPv2 signalling transparency) [16] 28 2. Hello experts. Optimization actions are proposed to combat congestion at the RNC unit level including the SPU, DPU, IU, and interface boards. If this KPI is too low, the subscribers are not likely to make calls successfully. RRC EstablishmentRRC setup procedure is the process that establishes the L3 connection between UE and RNC that is used for signalling traffic only. com f Main Problem Highlight : Site JAJARSOLOMW all sectors, have degradation of CSSR PS, follow by increments of 1) The document discusses parameters that can be adjusted to improve the drop call rate (DCR) on 3G UMTS/WCDMA networks, specifically for circuit switched (CS) services. See full list on telecomtrainer. This includes :- VoLTE IMS Control Plane KPI. © Nokia Siemens Networks. • 3G/4G throughput optimization. D. MOBILITY ANAL YSIS IN . • Call Drop Rate. Tags Mobile Broadband Mobile Broadband Consultant-2G/3G/4G/5G RF Design and Optimization · My career has led me to specialize increasingly in 2G/3G/4G Radio cellular Network Planning and Optimization at international levels in Multivendor environment (Ericsson, Huawei, ZTE and Alcatel). <br>• LTE sites initial tuning. Prepare cluster level initial and Final Acceptance KPI’s report for Customer and also responsible for assign cluster pre-post DT optimization report. Following KPI parameters are used in GSM: • CSSR-Call Setup Success Rate. showing only Business & Finance definitions ( show all 27 definitions) Note: We have 34 other definitions for CSSR in our Acronym Attic. 2g-gsm, performance-kpi. • EDGE throughput improvement. Abstract: Mobile phones have an impact on the economic development of a country as the technology develops through the provision of high-value 3G and 4 G data services accessed via smartphones Sr. Together with additional improvements, this allows for new features such as Voice over Internet Protocol (VoIP 4th November 2014 at 19:03 #57997. 0517. 1 (P7 FP), current release in Claro For the CDR CS parameter, the best value is 0. doc / . as Addis Ababa, Bahir Dar, Gondor Dessie, and Mekele. To achieve PAC & FAC targets of 2G/3G swapped/Roll-out sites. You already said RTWP isn’t high so noise isn’t a problem. It doesn’t help scenarios where problem is in UL. Consolidated Stock Status Report. The CSSR is an important KPI for evaluating the network performance. I’m new in the industry. Maintaining a high CSSR is important for The document discusses key concepts related to call setup procedures in 3G networks, including RRC, RAB, and related terms. TK NETWORK (CSSR), evolved radio access bearer (E-RAB)drop rate and intra-LTE handover success rate. We are going to discuss. We are going to cover complete list of VoLTE IMS KPI and performance Indicators . Several authors have presented some findings CSSR (Call Set up Success Rate) is an important KPI for GSM and WCDMA network optimization. IOP3000), for a summary of 3G WCDMA Radio Access Dec 21, 2021 · On this keynote, one-month (30 days) 3G traffic data were collected from major cities in Ethiopia such. By carrying out test. For 3G KPI improvement and more on 2G KPIs keep visiting ReckonTalk. Download Free PDF. After analysis SD Traffic . Paging Success Rate. It is used by network operators to evaluate the performance of networks. CSSR is a key performance indicator that measures the percentage of call attempts that are successfully established. Figure 5. To begin with, 3G measurements are made by the RNC, and not by the UE. “Optimization Guidelines: Capacity in Ericsson” (DEO. 3G Swap OSS 3G CSSR HSDPA Equal or Better. Nov 28, 2017 · The International Journal of Computer Engineering in Research Trends (IJCERT) is a peer-reviewed, open access journal that publishes high-quality research papers, reviews, short communications, and notes in the field of computer science engineering and its research trends. • Daily monitor of “bad cells” Ps-CSSR, PS-CDR, Cs-CSSR, Ps-CSSR, Cs-CDR, RRC SR, ERAB SR in whole network. Worked with three telecom vendors: ZTE, Ericsson & Huawei and have knowledge on parameters and features of these vendors. 76 Mbit/s, extend capacity, and reduce latency. Project Engineer · I have almost 15+ years' experience in LTE/3G/2G Radio network optimization. • 3G Post processing and 3G SSV reporting. 5 likes • 7,093 views. Source: TAS. 3900 Series WCDMA Node B V200R012C00SPC300 Release Notes. CS_DISCONNECT_OPT_SWITCH optimizes the RNC processing if the UE does not respond to a call release message. Table 5 shows the 3G Dec 31, 2021 · The graphical representation of the Call Setup Success Rate (CSSR) for the three networks under study is shown in Figure 7. Tài liệu liên quan. 3G Swap OSS 3G RB Success Rate Video Equal or Better. Congestion on target Cell. 3. rnocenter@gmail. 5 CSSR - MO (Call Setup Success Ratio) [7] 27 2. In this article we have posted improvement techniques for 2G KPIs. For internal use TCH_Avail vs. Drive testing effort can be directed towards Wireless Optimization Team Leader (FTK Project) · Optimization Engineer with experience in 2G/ 3G/ 4G Network Operations, Planning, DT/ OSS KPI analysis & Optimization . Whereas for the CSSR PS parameter, the best value is between 29. 75 to 5. An experience seeker ability to handle projects having different dynamics. Dropped Call Rate (DCR) Our 3G Mobile AMR meter reading solution delivers a time-tested meter reading experience backed by nearly 10 million units installed in dozens of countries. You can click on most messages in the flow to reveal full details about individual messages. This paper first introduces the architecture of general 3G communication system in both parts; packet switched (PS) and circuit switched (CS) networks. Optimization Guidelines: Accessibility in Ericsson CONTENTS f INTRODUCTION This series of Optimization Guidelines covers all the main topics regarding Performance Monitoring & Analysis Configuration settings Troubleshooting Refer to the internal Claro document “Optimization Process” (DEO. KPI stands for Key Performance Indicator. Since the current 3G architecture is High-Speed Uplink Packet Access ( HSUPA) is a 3G mobile telephony protocol in the HSPA family. Change RXP to -102. CSSR – Enable Half Rate (HR) by sending request to CM team – Use aggressive HR thresholds if HR is already enabled – Send for TRX /band addition if parameter settings don’t work to counter blocking – Traffic might be increased due to neighboring cell/site outage leading to increased traffic, thus blocking, on source cell. Dec 17, 2020 · For the CS CSSR parameter, the best value is at number 30. Keywords — Evaluation, 3G, Cellular, Key Performance Indicators, Mobile Network Operators Nov 9, 2023 · CSFB (Circuit Switched Fall Back) is a mechanism that sends the user from 4G to 3G/2G (CS RAT) where it can successfully complete a CS Voice Call. Whereas for the CSSR PS parameter, the best value is in the range of numbers 29. Qual. A call is affirmed to be successful if SDCCH is accessed, occupied and then TCH is accessed successfully. jordan_bella November 4, 2020, 10:34am 1. Sénégal. 9811. PS- RRC SetupSuccRatePS+HSDPA RAB EstSuccRate. 10 ALOC (Average Length of a Call) [4] 29 The Centre for Social Science Research (CSSR) is an interdisciplinary research centre at the University of Cape Town dedicated to conducting and building capacity for systematic, policy-relevant social science research in South Africa, the region and across Africa. • Redesigning of 3G sites to improve RSCP and EcNo. Feb 8, 2017 •. 25 May 2024 was a day of celebration for our Province of Brasilia. I need your support please. pdf from G ACCESSIB 3 at TELECOM Lille 1. Wireless communication data provide useful information pertinent to the development of communication equipment, standards and specifications, conducting high-level feasibility studies during initial deployment of telecommunication infrastructure, and providing accurate evaluation of the quality of service (QoS) [12] in order to enhance the quality of user experience (QoE) [13]. TP Value is high. In LTE KPI Optimization series, this session explains the LTE RRC Success Rate KPI. IOP3041) for further details regarding the Ericsson features Load Sharing and Directed Retry. Some tips for optimizing GSM and WCDMA CSSR include checking for hardware issues, SD channel blocking, frequency interference, overshooting, adjusting Constant monitoring of 4G Major KPIs, LTE RRC SSR, LTE E-RAB SSR, CSSR_LTE, INTER FREQ HOSR for LTE Network. To check if Layer 1 Synchronization (slot/frame sync) has failed. This paper presented an eight-port MIMO antenna that used a CSSR and a stub in the ground for the dual band with elements at the corner to produce CP. Cpich increases cell power in DL. CSSR. Nov 4, 2020 · DCR analysis - RAN - telecomHall Forum. 8 OCN & RDN (ISUPv2 signalling transparency) [17] 28 2. In recent years, a great deal of attention has been paid to the planning, evaluation, and optimisation of mobile cellular networks [5, 6]. Change AT (Repaging attempts)=2, INT (Repaging interval)=500 ms. SHO improved on based NodeB. 3g Kpi Formula Alu Ericsson. The session covers the signalling flow for LTE accessibility in detail along with messages where the KPIs are pegged. RSR : Registration Success Ratio (%) CSSR : Call Setup Success Rate (%) CST : Call Setup Time (s) MHT/ACD : Average Call duration (s) Examples of KPIs for 3G networks include Call Setup Success Rate (CSSR), Drop Call Rate (DCR), Packet Session Setup Success Rate (PSSR), Packet Session Drop Rate (PSDR), Traffic Volume, Average Dec 14, 2021 · Zubairullahshah: Increased CPICH but increased drop. CSSR HS improvement. CSSR includes RRC setup success rate as well as RAB setup Success rate. After analysis SD Traffic visible increased. nhóm Jul 20, 2016 · The RB Setup message can also be used as a reconfiguration message because the existing SRBs are, from this point forward, multiplexed with RAB onto a single physical dedicated channel. The call setup process involves multiple steps between the mobile station and base transceiver station, including channel requests, assignments, and authentication. Overall expertise in Optimization Project planning & execution specific to Drive test management, Radio parameter & baseline planning Suivi des KPI : CS CSSR/PS CSSR/CS DROP/IRAT HOSR/SHO RRC Drop Rate Cell… Show more SSV 2G/3G/4G The RF , Optimisation post processing, CLuster, Benchmark Vérification des zones ayant les faibles couvertures et mauvaises qualités, interférées (RSCP, EC/NO, RXLEV, RXQUAL, RSRP, RSRQ, SINR, PHROUGPUT DL/UL…) LTE to 3G UMTS CSFB call flow. Each 3G Mobile AMR register endpoint is a compact, environmentally secure computer inside our patented Under-the-Glass (UTG) housing without any wires or connections. In 2G → CSSR Degraded on some cells on same area. Try to increase UE power step size so it can quickly reach its max power. The 4G/LTE technology is still facing some problems such are uninterrupted communication, security andhigh performance [10–18]. tối ưu chỉ số kpi mạng vô tuyến 3g wcdma . Whether the RNC performs optimized processing if the UE does not respond within 3 seconds after For the CDR CS parameter, the best value is 0. Assim Mubder. Call Setup Success Rate is one of the KPI that directly influences customer satisfaction about the telecom service provided by a network and its operator. . From P7. 1. Optimization guidelines accessibility-ericsson-rev01 - Download as a PDF or view online for free. xls), PDF File (. RF Optimization Expert - In charge of 2G/3G/4G. If CSFB is not enabled in the network, the incoming voice calls will fail, however outgoing voice calls can still work depending on the mobile. OTM. Apr 1, 2020 · 1. pdf), Text File (. 9515 to 29. If “RRC Connection Setup” was received by UE but UE does not send “RRC. Refer to the internal Claro doc. 22. new search. Category Of KPI: VoLTE service Integrity and Retainability. Congestion combating techniques are also covered at the site and cell SHO KPIs Improvement 3G. Moreover, the QoS (Quality of Service) and security issues are critical for some basic services, such as VoIP [19–26] and IPTV services [2, 27–30]. The graph is shown in Figure 4. VoLTE IMS KPI & Performance. For the CS CSSR parameter, the best value is 30. Dec 11, 2022 · Terrestial Resource Request Failed. This fraction is usually measured as a percentage of all call attempts made. 3G CSSR RRC RAB and RB for CS, PS, R99, HSDPA and HSUPA V1. 0 - Free download as Word Doc (. have to check L1 system messages. You can also check VSWR Alarm. GPRS a lone. Parwaan December 11, 2022, 1:00pm 1. For the CDR PS parameter, the best value is at 0. this is because the core network in UMTS is inherited from GSM/GPRS network. Several parameters in the 3G UMTS/WCDMA network can be adjusted to improve the drop call rate for circuit switched services, including enabling CS_DISCONNECT_OPT_SWITCH and RRC_SCRI_NORM_REL_SWITCH. Ultimately, the determination of the presence of suicidal ideation or behavior depends on the judgment of the individual administering the scale. e. Connection Setup Completed”, we will report “L1 synchronization failure” and. Whilst, for the CDR PS parameter, the best value is 0. Vendors: Huawei/Nokia. The causes of LTE RRC failures are also covered in detail along with actions that can resolve those Feb 13, 2017 · Parameter below can be implemented to improve drop call rate in 3G Network Huawei especially for CS service ( DCR CS ). Keywords — Evaluation, 3G, Cellular, Key Performance Indicators, Mobile Network Operators based on my experience drop call occur if there is a missing neighbor and the site need to split sector due to congestion. Hà nội, ngày 2 tháng 4 năm 2014 Sinh viên thực hiện Trần Đình Phúc -3- LỜI. 4 to 3. 2436. It is the indicator of how easily user is able to make a call. of iu gr wm bz vs mh xt jx mh