With the Olympics set to open tomorrow in Beijing, a number of wireless vendors have announced their contributions to the networks and services that will be serving the many participants and spectators.

• Andrew, a division of CommScope, provided wireless communications to a new high-speed train that is commuting between Beijing and Tianjin in China. Andrew and Siemens jointly designed an advanced wireless communications system for the CRH3 Harmony multiple unit trains, which were developed specifically for the Olympics and have maximum speeds of 350 km/hour. The CRH3 trains began running on the Beijing-Tianjin high-speed railway line Aug. 1.Andrew installed MIR-T in-train repeaters in some compartments, which transmit and receive wireless signals to passenger handheld devices from existing base stations near the railways. Andrew has provided wireless coverage systems for China’s railways before, most recently in the Beijing Metro’s six lines, also in preparation for the 2008 Summer Olympics.
• Tata Communications is providing its prepaid roaming with its Intelligent CAMEL eXchange (ICX), a service that reduces the time and cost of implementing international prepaid roaming relationships between mobile network operators.
• Enfora, supplier of wireless networking solutions, provided its mobile tracking platform to increase the transportation efficiency, safety and manageability for visiting dignitaries, volunteers and spectators during the Beijing Olympic Games. Working in conjunction with its partner RCG China, Enfora provided the core communications technology supporting an end-to-end mobile tracking application that enables surveillance and location based services for various leased vehicles, city taxis and the Audi vehicles used during the Games.
• For enthusiasts who didn’t go to China but want to stay in the loop, go2 Media, a company that provides localized, personalized mobile content, is providing up-to-the-minute coverage via its mobile content site created specifically for the Summer  Games. go2 Olympics will provide access to event results, top stories, key event coverage and previews. The site can be accessed through the go2 Main and Sports mobile channels on any wireless browser.