To simplify this process a step by step approach is proposed in figure 6 3. Rf optimization will solve network problems related to neighbor cell list, coverage and interference. Objectives to optimize coverage while at the same time keeping interference and pilot pollution under control over the target area. With the fundamentals addressed in regards to proper rf coverage, layer managements and parameter optimization could make the impact desired. Dec 29, 2014 rf optimization covers the optimization of the hardware of the antenna system and the list of neighboring cells. With less rf parts and more digital baseband processing, wcdma can take advantage of the rapid evolution of digital signal processing capability. Lte rf design network optimization guideline based on scanner. We present heuristic mathematical methods for this realistic model, including computational results. International journal of engineering and advanced technology ijeatissn.
Maybe some tradeoff considerations need to be considered to assure the maximal improvement in the whole. Table 61 3g network kpi of the drive test and cell quality test. Wcdma radio optimization contents radio planning optimization. Nokia siemens networks lte 1800 mhz introducing lte with. When more mobile devices become wcdma capable, the load of gsm layers can be offloaded, while starting lte 1800 mhz refarming from urban towards suburban areas. A merged cmos lna and mixer for a wcdma receiver request. Lte rf optimization guide if this is your first visit, be sure to check out the faq by clicking the link above.
In addition to traditional rf data, l2l3 messages, and ip information collection, tems investigation supports testing of cs and ps services. Here i write about gsm rf optimization step by step and how to find kpi degradation and its solution. Determine parameter values list the form for changing parameters original parameter values vs. Wpt2000 has maximum 2w output level and the power can be supplied internal battery or car charger. Wcdma radio network planning issues, ieee vts proceedings of vehicular technology conference 1999 spring, houston, texas, may 1999, pp. Pdf rf planning and optimization in gsm and umts networks. View wcdma radio optimization from eng 2352 at newcastle. Rf optimization once all the sites in a given area are integrated and verified, rf or cluster optimization can begin. Wcdma rf optimization mathematical optimization science.
A practical approach to improve gsm network quality by rf optimization. Wacker, radio network planning process and methods for wcdma. Network optimization can initially be seen as a very involving task as a large number of variable are available for tuning impacting different aspect of the network performance. Rf lecture series modulation fundamentals introduction to. W cdma, cdma, rf, transceivers, if, power amplifiers, pa, transmitters, receivers, wcdma, wdcma application note 1211 wcdma superheterodyne reference design. Solution change the sector psc, or combine some sector previously, 3 cells psc184. The umts airinterface in rf engineering shows you how to design, build, and operate the 3g wireless networks that carry most of todays global voice and data communications.
Pdf wcdma radio network optimization guide table of. Qualcomm still makes chips for wcdma, cdma, and gsm, but it is pushing for older generations for. Lte rf optimization engineer jobs in united states glassdoor. Summary of network deployment steps from the different phases of network deployment, radio rf network planning and rf optimization are seen as critical as having long term impacts on both performance and capacity 6. The level of integration of the high base station enables efficient building high capacity sites since the complexity of rf combiners, additional antennas or power cables can be avoided.
A design of wcdma rf transceiver with its performance measuring. Wireless network planning solutions cellular expert. The rf network optimization process can be categorized by the following steps. Nevertheless there are some typical test items that can be identified. Pdf wcdma rf optimization process gsmtoumts training. The network after being planned and optimised should. Multiplexing of services with different quality requirements on a single connection, e. A merged cmos lna and mixer for a wcdma receiver request pdf. Analyzing performance retrieved from tool reports and statistics for. Wcdma radio network optimization guide huawei technologies co. Wideband code division multiple access wcdma is a thirdgeneration 3g standard that employs the directsequence code division multiple access dscdma channel access method and the frequencydivision duplexing fdd method to provide highspeed and highcapacity service. Identifying potential faults in the network and resolving them before they affect network performance. Optimization aspects for cellular service performance and.
Dec 18, 20 lte optimization mcps mcp mcpsinc mobilecomm 4g. Rectifying causes of faults affecting network performance. So rf optimization and drive test is tool to find reason of call drop. Optimization methods for umts radio network planning. Wcdma rf optimization free download as powerpoint presentation. Huawei wcdma rno parameters optimization authorstream presentation. Students analyze lte signaling messages through ue logs and map them to success and failure events. Rf measurements related to coverage and interference are discussed to analyze coverage holes and overlapping regions.
Ue bisa mendapatkan informasi sebuah meas configuration yang termasuk meas object, meas identities, reporting configurations, quantity configurations, dan meas gap configuration. Cdma2000 1x rf optimization handbook draft march 10, 2017 motorola internal use 1207 objective the. This workshop provides insights into the symptoms and possible causes of field performance issues in lte radio networks using ue logs. Lte rf design network optimization guideline based on scanner drives v4 2. However, nokia and erickson have just signed an agreement with tmobile to upgrade to 3 rd generation wcdma from gsm. It generates wcdma pilot channel or cw signal as output signal and frequency channel number, psc and output level can be settable by user. Analyzing performance retrieved from tool reports and statistics for the worst performing bscs andor sites. Your individual production demands determine which tests you use. Operation is at 2140mhz for the receiver, and 1950mhz for the. Some radio transceiver architectures for wideband cellular systems have been widely discussed2.
Engineering services group wcdma network planning and optimization 80w08531 revision b may, 2006. Gsm network consist of different cells and each cell transmit signals to and receive signals from the mobile station, for proper working of base station many parameters are defined before functioning the base station such as the coverage area of a cell depends on different factors including the. Rf optimization covers the optimization of the hardware of the antenna system and the list of neighboring cells. Intersystem handovers between gsm and wcdma 4, pp 255. Lte rf design network optimization guideline based on.
In practice, however, carriers have different kpi requirements, index definitions, and considerations. When the level or quality of the server cells falls down below certain thresholds. After channelization, the real valued spread signals are weighted by gain factor s. To improve the the performance of the service provide. Wcdma cellular network and mobile positioning techniques. Learn how undertake network performance improvement kpis and optimization tasks and create acceptance plan, sponsor best practices and ensure data integrity of various morphologytopography. Detailed scan data of up to the top 20 cells of each wcdma and lte carrier was collected. Rf optimization service optimization amr service optimization ps and cs commercial launch continuous optimization pre. Wcdma radio optimization wcdma radio optimization contents. Merging the lna and mixer lowers the number of transistors in the signal path and thereby also the nonlinearity. Wcdma hspa lte cdma tems investigation is an effective for masuring and tmonitering the digital network. Huawei wcdma rno parameters optimization authorstream. Radio network tuning and optimization for wcdma presentation 12 115 ericsson internal tems investigation supports more than devices from all major vendors across multiple technologies simple and effective data collection automatic detection of devices customizable workspaces that can be shared between users. Quality issues identification and rx lev, rx qual, tch blocking, sdcch drop,hoissues, call drop problems, and call set up issues analysis.
P5 kari heiska and harri holma, performance of 2 mbits packet data with wcdma in. Pre optimization verification network planning initial optimization continuous optimization figure 1. This course aims to address the network problems and provide solutions. Maybe some tradeoff considerations need to be considered to assure the maximal improvement in the whole view such as coverage.
Telcoma certified 3g optimization expert global certification. The book explains the rf engineering aspects of umts, key elements of the 3gpp specifications, and practical operation of umts networks. Wcdma innerloop power control in wcdma uplink bs performs frequent estimates of the received signaltointerference ratio sir and compares it to a target sir if the measured sir is higher than the target sir, bs will command ms to lower the power if sir is too low, it will command ms to increase its power openloop power control. Objective the purpose of this document is to consolidate and provide cdma2000 1x network optimization engineers a fundamental procedure with the standard and necessary information to optimize a cdma2000 1x system. Lte rf optimization training provides knowledge and skills needed for successful delivery of lte network design, lte planning and optimization activities. The book explains the rf engineering aspects of umts, key elements of the 3gpp specifications, and practical operation of. Rf lecture series modulation fundamentals introduction to wcdma. Rf singlechip integration has been recently explored for compatible with major wcdma networks, such as direct conversion receiver5,6, triband transceiver3, and fullcmos transmitter and receiver7. A design of wcdma rf transceiver with its performance. Specific focus was made into the footprint of macro and odas nodes to determine the proper interaction and overlap. This handbook frequently refers to other reference materials, providing the necessary links to useful web sites, both internal and external to motorola, as the intent of this is. The role of optimisation is to provide automated or manual means to improve the. Feb 27, 2017 foreword rf radio frequency optimization is the most important step to ensure the quality of the network. What is wideband code division multiple access wcdma.
Aikio, the impact of the radio network planning and site configuration on the wcdma network capacity and quality of service, ieee vts. Wpt2000 is a pilot channel transmitter for umts network design and optimization. The protocol of wcdma includes the physical layer, data link layer, and network layer as. Parameter optimization is an important step after rf optimization. This phase also includes the verification and optimization of the 3g neighbor lists. Rf optimization,planning,drive test for telco tech. Scribd is the worlds largest social reading and publishing site. Pre launch optimization cell cluster drive test and analysis report. Radio network tuning and optimization for wcdma presentation 12 115 ericsson internal tems investigation supports more than devices from all. Therefore, besides adjusting the distribution and antenna parameters, combining the. Cellular expert is a wireless network planning, optimization and. A complete wcdma transceiver is described in detail.
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