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NXP transceivers deliver mobile WiMAX promise

Posted: 19 Mar 2007 ?? ?Print Version ?Bookmark and Share

Keywords:transceiver? WiMAX? mobile WiMAX? NXP? MIMO?

Mobile WiMAX transceiver from NXP

NXP Semiconductors has announced the availability of its complete WiMAX 2x2 MIMO-powered family of transceivers for mobile and handheld applications.

In support of the mass deployment of mobile WiMAX, these new transceivers employ 2x2 MIMO technology, allowing for twice the data throughput and double the maximum speed of the company?s existing WiMAX transceiver solutions. The solutions will allow WiMAX infrastructure OEMs and ODMs to implement more robust WiMAX functionality, while achieving savings in overall power, board real-estate and system costs.

Key enabler
?Imagine being able to watch interactive TV combined with graphic-rich gaming on the move, or even having a multiperson video chat while accessing the Internet or reading email. WiMAX is a key enabler in this vibrant portable media environment,? said Marcel van Roosmalen, general manager for RF WiMAX product line, NXP Semiconductors. ?Through its design innovation and strong partnerships in the WiMAX ecosystem, NXP is delivering on the promise of mobile WiMAX to offer users low-cost access to broadband communication anytime, anywhere.?

One of few 2x2 MIMO WiMAX solutions in the industry, NXP said its new family of UXA234xx WiMAX transceivers improves reach and drives greater bandwidth and spectral efficiency, being particularly effective for accessing a WiMAX connection in dense urban areas. Further, because 2x2 MIMO allows for dual input and output channels, it addresses the requirements of bandwidth-intensive mobile applications, such as streaming data, voice and video data, without compromising network load and at a much lower cost to carriers. End users can thus experience speeds of up to 15Mbytes, three to five times faster than today's wireless broadband cellular networks, according to the company.

Seamless handover
In addition, the new transceiver family enables seamless handover from base station to base stationone of the biggest challenges facing designers of WiMAX equipment. The new product family also delivers optimum interoperability with a variety of basebands by using standard analog I/Q and serial interfacing, and co-exists with cellular, WLAN and Bluetooth standards.

The UXA234XX WiMAX transceivers offer a fully integrated direct-up transmitter and ZIF architecture with a small foot print of 6-by-6-by-0.85mm. The solution set supports channel bandwidths from 3.5MHz to 20MHz and various flexible calibration techniques for optimum performance and lowest power consumption. With no need for an external IF filter, the solution set requires minimum external components.

The UXA23466 and UXA23476 WiMAX 2x2 MIMO transceivers are already sampling. Volume production will start Q2 2007.




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