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| 3G Base Station Advance |
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29th April 2003 |
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Europe UK : WiseBand Communications Ltd., a leading innovator in the field of RF power amplifier linearization technology, announced the introduction of Wise-DPD, a breakthrough linearization technology for multi-carrier power amplifiers (MCPA) for UMTS/CDMA2000 base-stations. The efficiency and cost of base-station power amplifiers are major areas of concern for both base-station manufacturers and power amplifier vendors. This is because the cost, size, heat dissipation and power consumption of the entire base-station are totally dominated by the power amplifiers. Wise-DPD provides a significant step forward for base-station cost, efficiency and size. Wise-DPD is a full system solution, based on a novel Digital Predistortion (DPD) technology, combined with unique system architecture. It delivers exceptionally high efficiency and linearity performance under demanding, multi-carrier scenarios. WiseBand's proprietary algorithms provide comprehensive treatment of PA memory effects, fast adaptation under varying operating conditions, and a high degree of tolerance to RF hardware characteristics. Being a flexible baseband solution, Wise-DPD can be integrated into a power amplifier or as part of the base-station transmit chain. Interfacing can be done at RF, IF or baseband. The first Wise-DPD demonstration platform is a UMTS (WCDMA) application. Operating in the 2110-2170 MHz band, the demo MCPA achieves efficiency levels exceeding 18 percent, with linearity exceeding 3GPP compliance, with 4 WCDMA carriers (over 20 MHz instantaneous bandwidth). WiseBand will be demonstrating the Wise-DPD platform to selected customers and partners during the 2nd and 3rd quarters of 2003. WiseBand is actively seeking strategic partnerships, in order to bring its Wise-DPD technology effectively into the wireless market. |
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WiseBand
Communications Ltd., a leading innovator in the field of RF power amplifier
linearization technology, announced the introduction of Wise-DPD, a breakthrough
linearization technology for multi-carrier power amplifiers (MCPA) for
UMTS/CDMA2000 base-stations. |
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(TM100) to a Node B basestation implemented on picoArrays, to a controller
and core network. |
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