More specifically, if wired backhaul experiences intolerable delays (e.g., in overload-state situations or when delay-sensitive services cannot effectively be delivered), then the wireless backhaul is selected, as the required QoS levels can be more easily maintained, because of the fact that the data "remains" within one cellular operator's network.
American trade representatives say that Telmex, the largest Internet and cellular operator, has barred network access that would allow rivals to offer local and international services.
If the cellular operator is successful and so more subscribers are accessing the network, mobile density increases along the solid line of Figure 12.
The expected boost in mobile data traffic and the evolution towards the next generation of networks are making cellular operators reconsider whether current approaches for handling mobility could be improved, according to the characteristics of the mobile traffic that actually flows through real networks.
For cellular operators, estimating the end-user experience from network measurements is a challenging task.
Cellular network operators are always seeking to increase the area of coverage of their networks, open up new markets and provide services to potential customers in remote rural areas.
Cellular network architectures based on user preferences are not very common in current cellular network generation, this is because there a few number of applications and services offered by mobile operator networks.
Several cellular operators provide femtocells, for instances, Sprint's Airave femtocell [6] in the US, Verizon's Wireless Network Extender using CDMA in the US [7].
Ms. Wiggins said cellular operators now entering the market would capture more than 50percentt of service revenue by 2006, mostly through resale agreements with networks like Wayport's.
