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Analog Supporting Chinese 3G TD-SCDMA Standard |
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| 19th
October , 2005 |
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US : Analog Devices has announced that China's ZTE Corporation has designed it's SoftFone-LCR chipset and Datang Mobile's solution into its new 3G TD-SCDMA U310 handset and MU100 data card. Analog Devices' SoftFone-LCR chipset is based on the popular RAM-based SoftFone architecture also used in Analog Devices' GSM/GPRS and EDGE chipsets. The chipset incorporates a digital baseband processor, which is based on Analog Devices' Blackfin Processor, achieving more than 250 MHz performance and exceptionally low power consumption through Blackfin's Dynamic Power Management capability. The SoftFone-LCR's baseband signal processing, including joint detection and decoding, is performed entirely in software running on the embedded Blackfin Processor core instead of a hardware implementation. The software for the SoftFone-LCR chipset is provided by Datang Mobile, which is the founder of TD-SCDMA. In addition, the companies also worked together on the development of the DTivy--A Series reference design, which provides all of the necessary hardware and software componentry to build a TD-SCDMA phone. "We are pleased to expand our longstanding relationship with Analog Devices to now include products for the TD-SCDMA standard," said Shiyou He, Senior vice president of ZTE Corporation and general manager of ZTE handset division. "We are very impressed with the combination of flexibility, performance and innovation offered by the SoftFone-LCR chipset. Leveraging Analog Devices' chipset and Datang Mobile's solution from Analog Devices and Datang Mobile, we will develop a series of TD-SCDMA handsets and data cards that will achieve the high levels of quality and reliability that our customers expect from ZTE." The TD-SCDMA (Time-Division - Synchronous Code-Division Multiple Access) standard was proposed by the China Wireless Telecommunication Standards group (CWTS) and approved by the 3GPP (3rd Generation Partnership Project) as the low-chip-rate TDD standard of the 3G standard family. Designed for 1.6 MHz channels, it is compatible with 5 MHz unpaired 3G bands in any region of the world. TD-SCDMA can serve as a complement to W-CDMA deployments since it uses the same network backbone. The use of time-division duplexing allows the network to adapt dynamically to varying combinations of voice and data traffic, allocating uplink and downlink time slots as needed and using spectrum more efficiently than frequency-division duplexing. In addition, the cost of terminals is reduced by eliminating the need for duplex filters. |
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