W-CDMA open access small cells

Small Cell Forum
21 May 2012

Deploying W-CDMA smallcells in an open access presents a shift from the majority of current deployment where closed access is used in residential femtos

This white paper outlines the simulations performed in the Small Cell Forum WG2 and WG3, which encompass a wide spectrum of possible deployment scenarios including shared carrier in an open access mode.

The studies also looked at the performance of the smallcells and the macro in different locations and how smallcells coverage and performance vary based on their relative location to the macro.

The following are broad conclusions from the studies:

  1. When smallcells are used in areas using shared carrier and in open access mode, traffic offload from the macro is possible.
  2. If the small cells network is sharing the channel with the macro network, interference may occur. However, if the interference mitigation techniques advocated by the Small cells Forum are adopted, the resulting interference can be mitigated in most cases.
  3. The number of users offloaded from the macro increases as the number of smallcells is increased.

This white paper is originally posted on Small Cell Forum

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