Wcdma rf optimization pdf merge

Solution change the sector psc, or combine some sector previously, 3 cells psc184. Lte rf design network optimization guideline based on. International journal of engineering and advanced technology ijeatissn. Maybe some tradeoff considerations need to be considered to assure the maximal improvement in the whole view such as coverage. Wireless network planning solutions cellular expert. Rf optimisation remains one of the key challenges in any network. Lte rf optimization guide if this is your first visit, be sure to check out the faq by clicking the link above. Wcdma 2100 mhz introduction and wcdma 900 mhz refarming are typically focused on different environments. Lte rf design network optimization guideline based on scanner drives v4 2. In practice, however, carriers have different kpi requirements, index definitions, and considerations. 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. Operation is at 2140mhz for the receiver, and 1950mhz for the. Pdf wcdma radio network optimization guide table of.

Wcdma radio optimization contents radio planning optimization. Radio network tuning and optimization for wcdma presentation 12 115 ericsson internal tems investigation supports more than devices from all. Wcdma rf optimization mathematical optimization science. Lte rf optimization training provides knowledge and skills needed for successful delivery of lte network design, lte planning and optimization activities. Rectifying causes of faults affecting network performance. What is wideband code division multiple access wcdma. Lte rf design network optimization guideline based on scanner. Wacker, radio network planning process and methods for 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. Students analyze lte signaling messages through ue logs and map them to success and failure events. Pdf wcdma rf optimization process gsmtoumts training. Rf measurements related to coverage and interference are discussed to analyze coverage holes and overlapping regions.

It generates wcdma pilot channel or cw signal as output signal and frequency channel number, psc and output level can be settable by user. 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. Analyzing performance retrieved from tool reports and statistics for the worst performing bscs andor sites. Parameter optimization is an important step after rf optimization. Wpt2000 is a pilot channel transmitter for umts network design and optimization. When rf optimization is tested for the first time, all the cells in the area should be traversed as much as possible to rectify hardware faults. Maybe some tradeoff considerations need to be considered to assure the maximal improvement in the whole. Qualcomm still makes chips for wcdma, cdma, and gsm, but it is pushing for older generations for. However, nokia and erickson have just signed an agreement with tmobile to upgrade to 3 rd generation wcdma from gsm. Telcoma certified 3g optimization expert global certification.

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. Wcdma cellular network and mobile positioning techniques. Engineering services group wcdma network planning and optimization 80w08531 revision b may, 2006. This phase also includes the verification and optimization of the 3g neighbor lists. When the level or quality of the server cells falls down below certain thresholds. Gsm radio frequency optimization gsm rf optimisation is the optimization of gsm radio frequencies. View wcdma radio optimization from eng 2352 at newcastle. Cdma2000 1x rf optimization handbook draft march 10, 2017 motorola internal use 1207 objective the. Wcdma rf optimization free download as powerpoint presentation. A design of wcdma rf transceiver with its performance measuring. Rf optimization service optimization amr service optimization ps and cs commercial launch continuous optimization pre. With the fundamentals addressed in regards to proper rf coverage, layer managements and parameter optimization could make the impact desired. Wcdma radio network optimization guide huawei technologies co. After channelization, the real valued spread signals are weighted by gain factor s.

Lte rf optimization engineer jobs in united states glassdoor. Wcdma hspa lte cdma tems investigation is an effective for masuring and tmonitering the digital network. Rf optimization once all the sites in a given area are integrated and verified, rf or cluster optimization can begin. For tx calibration the following items are commonly measured.

So rf optimization and drive test is tool to find reason of call drop. Pre launch optimization cell cluster drive test and analysis report. Some radio transceiver architectures for wideband cellular systems have been widely discussed2. 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 book explains the rf engineering aspects of umts, key elements of the 3gpp specifications, and practical operation of umts networks. Huawei wcdma rno parameters optimization authorstream presentation. A practical approach to improve gsm network quality by rf optimization. Pre optimization verification network planning initial optimization continuous optimization figure 1.

The rf network optimization process can be categorized by the following steps. To improve the the performance of the service provide. Analyzing performance retrieved from tool reports and statistics for. Therefore, besides adjusting the distribution and antenna parameters, combining the. Optimization aspects for cellular service performance and. 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. In addition to traditional rf data, l2l3 messages, and ip information collection, tems investigation supports testing of cs and ps services. 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. Optimization methods for umts radio network planning. To simplify this process a step by step approach is proposed in figure 6 3. Nevertheless there are some typical test items that can be identified. Nokia siemens networks lte 1800 mhz introducing lte with. We present heuristic mathematical methods for this realistic model, including computational results.

Learn how undertake network performance improvement kpis and optimization tasks and create acceptance plan, sponsor best practices and ensure data integrity of various morphologytopography. 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. In this research paper some practical cases and solutions are adopted to reduce the call and. Huawei confidential page 10 objectives of rf optimization lrf optimization is to solve the problems such as signal coverage, pilot pollution, and soft handover ratio in the drive test.

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. A merged cmos lna and mixer for a wcdma receiver request pdf. Cellular expert is a wireless network planning, optimization and. Identifying potential faults in the network and resolving them before they affect network performance. With less rf parts and more digital baseband processing, wcdma can take advantage of the rapid evolution of digital signal processing capability. 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. Users define all transmitter characteristic parameters using the common rf test conditions as specified in 3gpp ts 34. Specific focus was made into the footprint of macro and odas nodes to determine the proper interaction and overlap. Scribd is the worlds largest social reading and publishing site. 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.

This course aims to address the network problems and provide solutions. 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. Merging the lna and mixer lowers the number of transistors in the signal path and thereby also the nonlinearity. The protocol of wcdma includes the physical layer, data link layer, and network layer as. Feb 27, 2017 foreword rf radio frequency optimization is the most important step to ensure the quality of the network. A merged cmos lna and mixer for a wcdma receiver request. Dec 18, 20 lte optimization mcps mcp mcpsinc mobilecomm 4g. 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. W cdma, cdma, rf, transceivers, if, power amplifiers, pa, transmitters, receivers, wcdma, wdcma application note 1211 wcdma superheterodyne reference design. Multiplexing of services with different quality requirements on a single connection, e. Rf lecture series modulation fundamentals introduction to. Wcdma radio optimization wcdma radio optimization contents. Rf lecture series modulation fundamentals introduction to wcdma.

Rf optimization will solve network problems related to neighbor cell list, coverage and interference. Pdf rf planning and optimization in gsm and umts networks. Your individual production demands determine which tests you use. Objectives to optimize coverage while at the same time keeping interference and pilot pollution under control over the target area. The role of optimisation is to provide automated or manual means to improve the. This workshop provides insights into the symptoms and possible causes of field performance issues in lte radio networks using ue logs. Ue bisa mendapatkan informasi sebuah meas configuration yang termasuk meas object, meas identities, reporting configurations, quantity configurations, dan meas gap configuration. Huawei wcdma rno parameters optimization authorstream. A design of wcdma rf transceiver with its performance. Detailed scan data of up to the top 20 cells of each wcdma and lte carrier was collected. Foreword rf radio frequency optimization is the most important step to ensure the quality of the network. Aikio, the impact of the radio network planning and site configuration on the wcdma network capacity and quality of service, ieee vts.