Rxlevel represents received signal strength of gsm network. E1963a wcdmahspa test application revision information. Scribd is the worlds largest social reading and publishing site. Selfoptimization of handover parameters in lte networks. Wcdma drive test analysis free download as powerpoint presentation. Transport format parameters define how data is exchanged between the physical layer and. Access to drive test data through tems investigation and tems automatic multi vendor support advanced neighbor analysis 18 tems making wireless better ericssonyyz additional features multi raster support advanced monte carlo simulations for both, wcdma and cdma afp from ericsson tems best in class prediction models. Wcdma is based on cdma and is the technology used in umts. Statistics used widely to monitor network performance. Proven best telecom 5g, 4g, 3g, 2g, iot, wimax training. Input parameters to the dimensioning process dimensioning the iu, iur, iub and other interfaces backbone connectivity network design 12 planning for gsm, umts and lte nodes in planning the systems core network migration network plan traffic modeling impact from edge, hspa and lte implementing redundancy. Wcdma drive test analysis telecommunications standards.
Wcdma tems parameters investigation and drive testing 1. Operation guide for wcdma test setup according to 3gpp. Used in more than 180 countries worldwide, tems investigation is the industry standard tool for troubleshooting, verification, optimization and maintenance of wireless networks with emphasis on the practical considerations. The measured power in the radio frequency on the transmitter output terminals shall be reported. Maximize the value of cdma networks and smoothly evolve to the next generation maximizethe value of cdma networks and smoothly evolve to the next generation. Transport formats in umts radio network controllers software implementation masters thesis espoo, january 7, 2008. Following are the definitions for parameters used in figure 1 and for the sensitivity equation. Understand the different elements required for an effective drive test program understand how all aspects of drive data can be used to obtain a view of network performance differentiate between genuine rf and nongenuine system failures understand the kpis that can be obtained drive test process cluster. The access control class is a parameter to control the access attempts. Pdf wcdma radio network optimization guide table of. Maximal ratio combiner mrc the combiner that achieves the best performance is one in which each output is multiplied by the corresponding complexvalued conjugate channel gain. Wcdma drive test analysis data analysis mobile technology. Sin available input signal power w nin available input thermal noise power w.
For simplicity, we employ a linear mmse receiver, which provides a good tradeoff between the noise enhancement and the multiple stream interference mitigation 16. Wcdma tems parameters investigation and drive testing. To combine the rscp and the ecio or in other words the path loss and the. Pdf rf planning and optimization in gsm and umts networks. Wcdmadesignhandbook developedoutofasuccessfulprofessionalengineeringcourse,thispracticalhandbookprovidesacomprehensiveexplanationofthewidebandcdmacodedivision. Browse internet while downloading a file from a corporate intranet server in the background research for these was conducted by itu and other. The b and c connections will work in a similar way. Solution for radio optimisation in 3g service new challenges are there for qos, because of new wcdma radio interface in comparison to gsm. The latter consists in detecting changesbreaks in the statistics of observable data set. On the other hand, a mobile using code 1010 will despread only noise because no data spread with 1010 is transmitted. Combines pdf files, views them in a browser and downloads. Wcdma radio network optimization guide huawei technologies co. Therefore for 3g services, new optimization methods are required to be applied on totally new radio parameters for carrying out optimization, it should be checked that all sites are in working. When the average voltage in a code time is positive then the bit is.
Receiver sensitivity equation for spread spectrum systems. Bangalore date080120 dharmendra kumar singh gsm,wcdma,rf,rf optimization interview objective. Wcdma ran features parameters and counters agenda wcdma ran. Value of cdma of cdma networks and networks and to the. Gsm radio parameter details and score evaluation from. Toe reference toe name huawei wcdma nodeb software toe version v200r0c01spc010 toe developer huawei toe release date 20110812 2 in addition to the toe name indicated at the table above, the following. This document describes the features in the keysight technologies e1963a wcdma mobile test application releases. Channels specified by a test model number are always detected as active regardless of the power level or modulation quality. Study in reference 22 presented a heuristic method for. Users define all transmitter characteristic parameters using the common rf test. Physical radio measurement parameters and layer3 signalling on android. Basic parameter of wcdma basic parameters of wcdma. Transport formats in umts radio network controllers.
Rsrp is the most basic of the ue physical layer measurements and is the linear average power in watts of the downlink. Commonalities between qualcomm incorporated october. Other studies on pilot power optimization include references 22,31,44,45. In order to develop a global system, a forum was created. Goodman, polytechnic university o ver the past fifteen years, the bit rates achieved in cellular and local area wireless communications systems have. In section ii, a capacity model for wcdma system is presented which gives the basic capacity equation in terms of number of users. All is about prelaunch activities during optimization commercial traffic, subscribers using the network. Simulation results show the capacity affected and enhanced parameters performances. Wideband code division and multiplication access souhaibe barkat communications theory final project university of colorado, boulder, co 80309 souhaibe. What is umts network architecture radio access radio interface frequency bands umts cdma modulation data channels umts tdd tdsdcdma handover. Its parameters were set to enforce eut transmitting at the maximum power.
Open loop power control parameters from rach info message. The technicality of cdma technology has given significant advantages over other parallel technologies in terms of spectrum efficiency and overall performance. Certificate of approval is issued by tec for the product for which the irgrsd does not exist with tec and is issued against applicants own specification. View 104780016ericssonwcdmaranfeaturesparametersandcounters from telecommunication 1234 at st.
Rsrp dbm rssi dbm 10log 12n where rssi received signal strength indicator n. In a spread spectrum digital communication receiver, the relationship. After auditing the parameters we can start with the drive test, the role of this step is to. Wcdma was adopted as a standard by the itu under the name imt2000 direct spread. Basic parameter of wcdma telecom 2g,3g,4g,rf lte drive.
Users define all transmitter characteristic parameters using the. As a current student on this bumpy collegiate pathway, i stumbled upon course. This procedure is initialized by ho parameters values that were setup during stage 1. Masterseries single carrier fdma for uplink wireless. Single carrier fdma for uplink wireless transmission hyung g. Drive test equipment drive test tools,ues, scanner and gps can be used the scanner measures all used carrierscells and their corresponding dl scrambling codes, ue only measures sc signals from the cells that the system has informedordered the ue through the bch neighbour list or via the measurement. In general, drive test, statistics and users subjective sense are used as. Wcdma, radio network controller, handover, troubleshooting. A mimo frequencydomain equalizer fde is applied to the frequencydomain signals after subcarrier demapping as shown in fig. Wcdma to forcefully on gsm from inter radio access. Get 3g dt training course with certification 3g wcdma dt drive test paramet. Since the code domain measurements despread and decode the wcdma signal into its physical channels, the number of active channels of various symbol rates which are denoted by widths can be observed. In section iii, the factors which affect the capacity of wcdma. The vsa selects from the following list of predefined transmitter test model configurations as defined in section 6.
Title huawei wcdma nodeb software security target version 1. Wireless technologies the first comprehensive drive test. Short for wideband cdma codedivision multiple access, a 3g technology that increases data transmission rates in gsm systems by using the cdma air interface instead of tdma. Objectives after this module the delegate shall be able to. Third edition edited by harri holma and antti toskala both of nokia, finland.