Qualcomm and Huawei to Cooperate on Advanced UMTS Node B Receiver Technology

(Business News & Technology News, 15 Feb 2008)

Qualcomm Inc. and Huawei Technologies have signed a technology transfer agreement for advanced Node B (base station) receiver design that can benefit all UMTS systems, Release 99 and onwards. For one, the agreement covers new technology that can boost the data throughput performance of High Speed Uplink Packet Access (HSUPA) networks by up to 60 percent. Technology transferred by Qualcomm under this agreement will enable Huawei to deploy highly advanced 3G networks in markets using any UMTS-based technologies.

The key feature of this technology is Uplink Interference Cancellation, a component of advanced receiver designs for Node B technology. Uplink Interference Cancellation uses baseband processing to eliminate interference that can arise from multiple uplink data streams in a cell as well as from neighboring cells. For 2ms transmission time intervals (TTIs), Uplink Interference Cancellation can increase total HSUPA cell throughput by up to 60 percent, with median user data rate improvements of approximately 65 percent. Simulations suggest that systems with this feature can also support up to a 46 percent increase in cell VoIP traffic over an HSUPA Release 7 system and a 200 percent increase over Release 99 systems. This creates a better experience for the growing number of people using mobile devices to upload and share data-intensive photographs and videos, as well as to access popular Voice-over-IP (VoIP) services.

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