94 Antenna Tests Chinese and other Vendors vs Kathrein

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PRELIMINARY Scholz / MM / 02/2003

Antenna test in live environment Hebei Province - China

Test carried out end of 2002

Comparison of antennas fromHaitian

RFSAndrewKathrein

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Original Test Report 1? Locale Testing Result Kathrein

Kathrein adjusted City Mall B cell and Liuyuan cell inthe course of testing by examing the exchanging andinstalling of TX port and RX port mainly .

( 1) DTTesting ResultHUANGKAIHE BTS

BCCH:-120dbm<Grade 1<=-94dbm

-94dbm<Grade2<=80dbm

-80dbm<Grade 3<=-70dbm


-60dbm <Grade5

Coveringrate

5.7% 32.8% 26.2% 16.0% 19.3% 94.3%

TCH:-120dbm<Grade1<=-94dbm

-94dbm<Grade2<=80dbm



-60dbm <Grade5

Coveringrate

1.0% 36.6% 43.1% 18.7% 0.6% 99.0%

Huangkaihe BCCH Elec-level (Kathrein)

5.7%

32.8%26.2%

16.0% 19.3%

94.3%

0.0%10.0%20.0%30.0%40.0%50.0%60.0%70.0%80.0%90.0%

100.0%

1? 2? 3? 4? 5? ? ? ?

Huankaihe TCH Elec-level (kathrein)

1.0%

36.6% 43.1%

18.7%

0.6%

99.0%

0.0%

20.0%

40.0%

60.0%

80.0%

100.0%

120.0%

1? 2? 3? 4? 5? ? ? ?

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Antenna tests were carried out by Hebei China Mobile in HanDan City withEricsson equipment end of 2002.

Envolved BTS : Huangkaihe, Jiehedian, Liuying, Liuyuan, City Mall

Antenna suppliers : Andrew, Haitian, Kathrein, (RFS)

Test procedure :

Coverage of BCCH (Broadcasting Channel) and TCH (Talking Channel)

Receive QualityRange of Grade 0 (best) up to Grade 7 (worst) regarding bit failure rate and drop off calls

Antenna Test China Mobile

Grade1 Grade 2 Grade 3 Grade 4 Coverage rate-120 ... -94 dBm -94 ... -80 dBm -80 ... -70 dBm -70 ... -60 dBm %

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Huangkaihe TCH -level (Haitian)

3.2%

31.2%41.5%

23.4%

0.7%

96.8%

0.0%

20.0%

40.0%

60.0%

80.0%

100.0%

120.0%

1 2 3 4 5 Coverage

Huangkaihe TCH -level (Kathrein 739 655)

1.0%

36.6% 43.1%

18.7%

0.6%

99.0%

0.0%

20.0%

40.0%

60.0%

80.0%

100.0%

120.0%

1 2 3 4 5 Coverage

Huangkaihe TCH-level (Andrew)

0.5%

26.5%

44.8%

26.1%

2.1%

99.5%

0.0%

20.0%

40.0%

60.0%

80.0%

100.0%

120.0%

1 2 3 4 5 Coverage

HUANKAIHE TCH (Talk channel)

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KathreinAndrew

Haitian

HUANKAIHE TCH (Talk channel)

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Huangkaihe TCH Receive Quality (Haitian)

48.5%

7.0% 5.8% 6.9% 8.1% 8.7% 7.8% 7.2%

0.0%

10.0%

20.0%

30.0%

40.0%

50.0%

60.0%

0 1 2 3 4 5 6 7

Huangkaihe TCH Receive Quality (Andrew)

52.9%

7.8% 6.2% 8.7% 7.5% 8.7% 5.9%2.3%

0.0%

10.0%

20.0%

30.0%

40.0%

50.0%

60.0%

0 1 2 3 4 5 6 7

Huangkaihe TCH Receive Quality (Kathrein 739 655)

84.3%

4.9% 3.5% 3.4% 2.3% 1.2% 0.3% 0.1%0.0%

10.0%20.0%30.0%40.0%50.0%60.0%70.0%80.0%90.0%

0 1 2 3 4 5 6 7


HUANKAIHE Receive Quality

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Andrew

Haitian

Kathrein

HUANKAIHE Receive Quality

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Complete test results

TCH coverage (coverage rate %)


HUANGKAIHE JIEHEDIAN LIUYING LIUYUAN CITY MALLAndrew 99.5 99.8 89.5 99.7 98.3Haitian 96.8 100.0 96.9 88.7 98.0Kathrein 99.0 99.0 95.8 90.5 91.8RFS --- 99.5 99.0 --- ---

Receive quality (% grade 0)

HUANGKAIHE JIEHEDIAN LIUYING LIUYUAN CITY MALLAndrew 52.9 36.6 41.7 24.6 35.9Haitian 48.5 28.2 26.2 53.6 63.9Kathrein 84.3 91.3 69.8 67.2 80.2RFS --- 74.6 60.3 --- ---

94 Antenna Tests Chinese and other Vendors vs Kathrein

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