Grasp The Main Points Of Hsdpa Network Planning To Improve The Quality-hsdpa, Network Planning -

In accordance with the GSMA statistics, as of April 2006

, has reached commercial HSDPA networks in 18, mainly in Europe. Another 47 countries and regions, 94 HSDPA networks are planning to deploy or test commercial. Many UMTS operators in Europe in 2006, the network upgrade to support HSDPA. Beginning in 2006, HSDPA commercial networks significantly faster increase in the number. China's development of 3G, WCDMA network construction in the first phase will introduce HSDPA. To TD-SCDMA network construction, the introduction of the first phase of HSDPA is also a great possibility.

HSDPA network planning principles Selected coverage area. Frequent use of the data services, and may often use high-speed data services area, should be taken into account the site layout of WCDMA and HSDPA.

Reduce the impact. The introduction of HSDPA, WCDMA, or built for WCDMA network planning has been good operators should not have too much influence, operators should try to avoid change because of the introduction of HSDPA base station coverage. WCDMA and HSDPA in the case of common carrier frequency, to a rational allocation of resources and power between the two code resources to the business without compromising the quality of WCDMA user base.

Attention to the evolution of capabilities. The introduction of HSDPA devices, the technology is mature as far as possible under the conditions of using the new version, to avoid the frequent upgrades in future. HSDPA terminals to support the current low rate, in the HS-DPA should consider when planning support for high data rate, taking into account the evolution of equipment, ability to follow-up.

Full use of network resources. Need to consider the best use of existing resources while choosing different load cases, the best way of business. GSM and WCDMA / HSDPA, WLAN coexist in a long time. After a period of time commercial WCDMA network, GSM network capacity surplus began, GSM and WCDMA can consider the load balancing approach can also be controlled by differences in the rates policy of the speed of migration of 2G to 3G. The amount of data needs a smaller area, unless special needs, the need for the introduction of HSDPA is not. Demand for data services, the gradual introduction of HSDPA-specific areas of the carrier frequency. WLAN hot spots have been built for the region, we can consider the late WLAN and HSD-PA in the provision of data services. In particular, should fully consider the volume of business, type and distribution changes and the development of mobile data services to provide effective support.

Development Strategy and Planning 3G deployment of the initial support of HSDPA terminal function less, to carry out the data cards mainly. Taking into account the features and user cards have been building networks, and combining existing data service network statistics, early in the hot spots in the existing data services directly support HSDPA, also choose the potential demand for high-speed data service areas and key areas (such as major industrial users) to introduce HSD-PA.

When the introduction of HSDPA, indoor telephone traffic in particular, the rate of increase of traffic in data services, estimated to be far greater than the outside. So for the HSDPA network coverage, the interior is more important than the outside. Generally only one region in the initial carrier frequency, some users data-intensive hot spots can be directly used for indoor coverage both carrier frequency. Consider the user's mobility, the system should support the HS-DSCH and the DCH channel channel switching, and support and GPRS / EDGE cell reselection between.

In WCDMA cell has been based on adding support for HSDPA, downlink data services to increase capacity, without affecting the original voice, video telephony and other real-time business under the premise of the background class, interaction class, etc. bearing to the HSDPA data services, you can increase the system capacity, spectrum efficiency, to avoid premature to upgrade equipment to the second carrier frequency.

The early introduction of HSDPA, there are two networking mode, HSDPA and HSDPA WCDMAR4 common carrier frequency and carrier frequency independent. Common carrier frequency mode, WCDMAR4 support circuit and packet services with HSDPA support for high-speed data services sharing the frequency and power, to achieve maximum utilization of resources, almost no impact on the existing R4 network planning, the initial introduction of investment, risk Low, business development and flexible. Support for HSDPA in the cell, CS business is still from the DCH channel to carry, PS business from WCDMAR4 and the HS-DSCH channel co-host, according to support HSDPA terminal development, the dynamic adjustment of cell in the DCH channels and HS-DSCH channel ratio. To meet the high-end user demand for high-speed business, not only increasing the scope of business operators, but also save the investment cost carriers, enabling operators to minimize input costs.

by: gaga

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