1 / 7

CDMA 1x and EV-DO Network Enhancement

CDMA 1x and EV-DO Network Enhancement. China Telecom Wang Yuezhen 2012.06.14. CTC Have a Great Success with CDMA. Users grow 5-folds in the last 3 years Users will be double In the next 3 Years . CTC Have a Great Success with CDMA (cont,).

iokina
Télécharger la présentation

CDMA 1x and EV-DO Network Enhancement

An Image/Link below is provided (as is) to download presentation Download Policy: Content on the Website is provided to you AS IS for your information and personal use and may not be sold / licensed / shared on other websites without getting consent from its author. Content is provided to you AS IS for your information and personal use only. Download presentation by click this link. While downloading, if for some reason you are not able to download a presentation, the publisher may have deleted the file from their server. During download, if you can't get a presentation, the file might be deleted by the publisher.

E N D

Presentation Transcript

  1. CDMA 1x and EV-DO Network Enhancement China Telecom Wang Yuezhen 2012.06.14

  2. CTC Have a Great Success with CDMA • Users grow 5-folds in the last 3 years • Users will be double In the next 3 Years

  3. CTC Have a Great Success with CDMA (cont,) • Limited spectrum becomes the bottleneck for further growth. CDMA UL CDMA DL MHz 825 835 870 880 MS Tx f=0.03N+825 MHz BS Tx f=0.03N+870 MHz 37 78 119 160 201 242 283 How to improve capacity with limited spectrum?

  4. Network Enhancements Phase I EVRC-B QLIC MRD Early Termination New PC Mode EVRC-NW Smart Blanking QOF RLIC Completed 1x Network Enhancement Phase II In progress NLB SCM DNS SCML Multi-AT Paging …… In progress DO Network Enhancement

  5. Network Enhancement Effects

  6. Deployment Strategy • Network: Software Upgrade • Supported AT :Many 1.EVRC-B • Network :No Change • Supported AT :Some Deployment, 2011 Hot Spots • Network :No Change • Supported AT :Few 2.QLIC Mandatory 3.MRD • Network: Software and Hardware Upgrade • Supported AT :New, Few Optional 4.SB,ET， EVRC-NW， New PC Mode, QOF, RLIC • Network: Software Upgrade • Supported AT : all Legacy Under evaluation 5.NLB SCM Plan to Do Field Trial in 2012 Q3

  7. 谢谢！ Thanks！

More Related