Utstarcom (china) Co. Ltd.

Hoi Tung Innotek (shenzhen) Co., Ltd.

Ping Lin

Baijun Zhao

Xiyuan Chen

Zhiwen Xie

Anming Yang

Linmao Guo

Xiaoliang Sun

Xiaoliang Lin

A power supply system () is used for supplying power to a power system of an electric tractor and comprises a bracket () that is provided above and below a frame of a transport trailer, first cases () that are provided on the bracket and first power battery packs that are suspended inside the first case. Each of the first cases is provided with a first ventilation structure and a second ventilation structure () so that while the transport trailer is moving, wind can enter the first case from the first ventilation structure and be discharged from the second ventilation structure, thus achieving further cooling and heat dissipation for the first power battery packs and avoiding service life being impacted due to the first power battery pack overheating.

Power supply system

The invention provides an IP switching based radio network controller. The radio network controller comprises a plurality of functional modules, at least comprising: an ATM interface module, an interface management module, a radio signaling management module and a radio bearer processing module, characterized in that, the radio network controller replaces an ATM switch with an IP switching network to achieve data and signaling exchange among the above functional modules in the radio network controller. Said functional modules respectively comprise at least one functional board, and the functions of each of the functional modules are respectively achieved in different functional boards. The radio network controller of the invention has the advantages of low cost, simple configuration and management, and easy to achieve the system.

IP switching based distributed radio network controller

Growing community of inventors

Shenzhen, China

Ping Lin