Comparison of 3G/2G Camping

Comparison of 3G/2G Camping

Prefer camping on 3G

* Offer special 3G service directly

- Video Phony

- Simultaneous Multi-services, such as CS + PS

- High rate PS service

* Reduce 2G traffic pressure

- Initially 3G network is deployed in Dense Urban, where 2G traffic is high.

- Provide high QoS service to subscribers.

Prefer camping on 2G

* Can not provide the following special service directly

- Video Phony

- Simultaneous Multi-services, such as CS + PS

- High rate PS service

* The performance will be bad if service is provided by undirected method.

*  More features upgrade are needed for 2G system.