Telecompaper writes…UK telecommunications operator Pipex Communications’s wireless division Pipex Wireless and Nokia Siemens Networks have agreed to co-operate on WiMAX infrastructure and service development to expand the availability of commercial WiMAX services in the UK. Pipex Wireless will use Nokia Siemens Networks’ equipment, services and networking expertise to widen its roll-out of WiMAX powered broadband wireless services nationwide. Pipex Wireless and Nokia Siemens Networks are now working on equipment specification, network design and service definition in readiness for a pilot deployment during this year. No financial details were disclosed.