8/13/2019 Uplink Coverage Analysis

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Cell primary pilot analysis is analyzing cell scramble information obtained in DT. The content to bechecked include (by Assistant):_ Weak coverage cellStart Assistant. Analyze scanner-based RSCP for SC, and you can obtain the signaldistribution of each cell (scramble). According to DT data, if the scramble signals of a cell arenot present, probably some sites cannot transmit signals during test. If a cell cannot transmitsignals during DT, the DT of relative areas must be re-performed. Very weak coverage mightbe result of blocked antennas, so you must check the survey report of the site and checkinstallation of on-site antennas. No (poor) coverage cell might be due to that the DT routedoes not cover the cell coverage area. In this case, reevaluate the DT route for the rationalityand perform DT again._ Cross-cell coverage cellStart Assistant. Analyze scanner-based RSCP for SC, and you can obtain the signaldistribution of each cell (scramble). If the signals of a cell are widely distributed, even in theneighbor cells and the cells next to its neighbor cells, the signals of the cell is present, thecell encounters a cross-cell coverage which might be due to over high site or improper downtilt of antenna. The cross-cell coverage cells interferes neighbor cells, so the capacitydeclines. You can solve the problem by increasing the down tilt of antenna or lowering theheight of antenna. Avoid forming new weak coverage areas while solving cross-coverage

problems. Pay special attention to the adjustment of engineering parameters which mightcause coverage voids. Be conservative that cross-cell coverage is better than coveragevoids if no other choices are available._ No primary pilot cellStart Assistant. Analyze scanner-based SC for 1st Best ServiceCell, and you can obtain

Uplink Coverage AnalysisThe corresponding quality standard is:_ Good if CPICH_RSCP_ 85 dBm_ Fair if 95 dBm_ CPICH_RSCP < 85 dBmPoor if CPICH_RSCP < 95 dBm

Uplink coverage analysis is analyzing UE transmit power obtained in DT.The quality standards of UE transmit power must be combined with optimization standards. Assumethe optimization indexes of UE transmit power as below:UE_Tx_Power_ 10dBm >= 95%The test result of voice service by testhandset. Assume the maximum transmitpower of UE is 21 dBm.The defined corresponding quality standards are:_ Good if UE_Tx_Power_ 0 dBm_ Fair if 0 dBm < UE_Tx_Power_ 10 dBm_ Poor if UE_Tx_Power > 10 dBm