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RF Cafe began life in 1996 as "RF Tools" in an AOL screen name web space totaling 2 MB. Its primary purpose was to provide me with ready access to commonly needed formulas and reference material while performing my work as an RF system and circuit design engineer. The World Wide Web (Internet) was largely an unknown entity at the time and bandwidth was a scarce commodity. Dial-up modems blazed along at 14.4 kbps while typing up your telephone line, and a nice lady's voice announced "You've Got Mail" when a new message arrived...

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web engineer
 Post subject: CW measurements
Posted: Fri May 30, 2008 3:57 am 
 
Captain

Joined: Thu Feb 15, 2007 5:38 am

Posts: 6

Dear Friends,

I'm in a big problem, I must perform a CW "continues wave' drive test for UMTS model tuning project for 40 sites and I must start in two days.

I know how to perform 2G (GSM) drive test but the CW drive test is a new for me.

So, please please could you describe the drive test process for the CW in steps, I will use W-CDMA Area Tester for this drive test.

Please, it's not only important but it's a very urgent.

I'm sure you could help me.

Waiting your reply ASAP.


 
   
 
georgewahib1
 Post subject: Re: CW measurements
Posted: Sun Jun 08, 2008 6:41 am 
 
Lieutenant

Joined: Sun Jun 08, 2008 3:52 am

Posts: 1

web engineer wrote:
Dear Friends,

I'm in a big problem, I must perform a CW "continues wave' drive test for UMTS model tuning project for 40 sites and I must start in two days.

I know how to perform 2G (GSM) drive test but the CW drive test is a new for me.

So, please please could you describe the drive test process for the CW in steps, I will use W-CDMA Area Tester for this drive test.


Please, it's not only important but it's a very urgent.

I'm sure you could help me.

Waiting your reply ASAP.

:roll:

 
   
 
nubbage
 Post subject:
Posted: Tue Jun 10, 2008 7:07 am 
 
General
User avatar

Joined: Fri Feb 17, 2006 12:07 pm

Posts: 268

Location: London UK

It sounds to me like you need to radiate an unmodulated carrier from each BTS, and with a spectrum or transmission analyzer and GPS linked to a laptop, drive out radially recording the CW carrier level. Suitable software then translates the data into a map overlay to produce carrier level contours for each BTS.

I guess this has to be done for each carrier, but the test spec should state this.


Posted  11/12/2012

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