OVSF Codes

As we know, the channelization codes for physical channels in UMTS should be orthogonal. Otherwise the reciever would not be able to decode the data correctly.

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2SF2+2SF4 E-DPDCH without ul-DPDCH

The reason why ul-DPDCH is not supported for E-DPDCH with 2SF2+2SF4, is presented in 3GPP TS25.213.

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Thoughts On Asking Questions

As a software tester, I need to coorperate with many guys in my daily work, internally like software/simulator developers, architects etc. While externally, with application engineers(AE) for test equipments. Recently, I meet some problems with a certain test equipment and communicate with its AEs frequently. And here are some thoughts on an interesting thing happened during this period.

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Build home backup system

I never seriously consider photoes as precious wealth till one day I drowned into my album collections. Those silly and embarrassed moments instantly became vivid. In order to backup and organize all my family’s pictures at one place, I decide to build up a system on my out-of-date netbook since I don’t want to spare money on an expensive NAS machine.

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Productivity Tools on PC (5)

Outlook is the only choice in my company to handle with E-mails. Normally, I would receive 40~50 mails everyday and reply around 20 out of them. How to deal with so many mails was a big problem to me until I found PIFEM(Pay It Forward Email Management) created by Ian Palangio. I immediately fell in love with this method and tweaked it according to my situation. After two years using, I am so pleased to introduce it here.

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