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View Full Version : GSM UPLINK-DOWNLINK BALANCE OPTIMISATION MANUAL (HUAWEI)



RFSTUD
2011-11-07, 02:27 AM
Dear all,
I have attached the uplink-downlink optimization manual for Huawei.

CONTENTS:
1 Precondition and Assumption.. 9 (http://www.finetopix.com/#_Toc211681885)
2 Principles of Uplink-Downlink Balance. 11 (http://www.finetopix.com/#_Toc211681886)
2.1 Fundamentals of the Uplink-Downlink Balance. 11 (http://www.finetopix.com/#_Toc211681887)
2.2 Evaluating the Uplink-Downlink Balance. 12 (http://www.finetopix.com/#_Toc211681888)
2.2.1 Theoretical Calculation of Uplink-Downlink Balance on Huawei Devices. 13 (http://www.finetopix.com/#_Toc211681889)
2.2.2 Evaluating the Uplink-Downlink Balance With the Uplink-downlink Balance Measurement 14 (http://www.finetopix.com/#_Toc211681890)
2.2.3 Evaluating the Uplink-Downlink Balance With the Average Uplink-Downlink Level Difference. 15 (http://www.finetopix.com/#_Toc211681891)
2.2.4 Evaluating the Uplink-Downlink Balance With the Uplink-Downlink Level Distribution. 16 (http://www.finetopix.com/#_Toc211681892)
2.2.5 Evaluating the Uplink-Downlink Balance With the Uplink-Downlink Cumulative Distribution. 17 (http://www.finetopix.com/#_Toc211681893)
2.3 Effects of the Uplink-Downlink Imbalance. 18 (http://www.finetopix.com/#_Toc211681894)
3 Factors Affecting the Uplink-Downlink Balance. 19 (http://www.finetopix.com/#_Toc211681895)
3.1 Installation of the Feeder and Antenna. 19 (http://www.finetopix.com/#_Toc211681896)
3.2 TMA Installation. 19 (http://www.finetopix.com/#_Toc211681897)
3.3 Incorrect Parameter Settings. 20 (http://www.finetopix.com/#_Toc211681898)
3.4 Hardware Fault 20 (http://www.finetopix.com/#_Toc211681899)
3.5 Repeater 21 (http://www.finetopix.com/#_Toc211681900)
3.6 Antenna Matching Problem... 21 (http://www.finetopix.com/#_Toc211681901)
3.7 Behavior of Mobile Phone Users. 22 (http://www.finetopix.com/#_Toc211681902)
4 Analysis Procedure for the Uplink-Downlink Balance. 23 (http://www.finetopix.com/#_Toc211681903)
4.1 Abis Signaling Analysis. 23 (http://www.finetopix.com/#_Toc211681904)
4.2 Analysis Procedure. 26 (http://www.finetopix.com/#_Toc211681905)
4.3 Description of the Analysis Procedure. 28 (http://www.finetopix.com/#_Toc211681906)
5 Uplink-Downlink Balance Optimization Cases. 30 (http://www.finetopix.com/#_Toc211681907)
5.1 Case 1: Abnormal DDPU Gain. 30 (http://www.finetopix.com/#_Toc211681908)
5.2 Case 2: DTRU Software Problem... 31 (http://www.finetopix.com/#_Toc211681909)
5.3 Case 3: Inappropriate Parameter Settings. 32 (http://www.finetopix.com/#_Toc211681910)
6 Information Required for Uplink-Downlink Balance Problem Feedback.. 33 (http://www.finetopix.com/#_Toc211681911)

Hope you find it useful.
Best regards