The application of 3G technology promotes the competitiveness of WCDMA in the global market. In the process of global commercialization becoming mature, the industry chain is becoming more and more perfect, the network construction coverage area and business are further diversified and regionalized, and the future WCDMA development hotspots It will focus on mobile TV, mobile search, mobile Internet and other aspects.
Andrew, who has been active in the Chinese market for a long time, is committed to supporting the rapid development of China's telecommunications industry and providing advanced products and technologies. The company has a rich product line and patented technology for WCDMA, and its successful application cases are spread all over the world. This article introduces Andrew's WCDMA mobile base station antenna and multi-carrier power amplifier solution.
Mobile base station antenna for WCDMA networksAntennas and cables are the most prestigious in the Andrew product cluster. It is used in WCDMA networks including various base station antennas, coaxial cables, waveguides, connectors, cable assemblies, and broadband cable systems and steel mounting accessories.
As a recognized leader in advanced base station antenna technology solutions, Andrew is committed to deep integration of product and core technology capabilities and offers a full range of base station antenna solutions. Only in the case of base station antennas, the worldwide patented technology is approved. Hundreds of items. The remote control ESC patent for its antenna is widely used by major WCDMA antenna manufacturers around the world.
Andrew's CSHMicroAcCELLerator base station antenna is a very compact three-sector recessed antenna with excellent RF performance and minimal visual impact and wind loading. By combining three antenna arrays into one component that is only 200 mm in diameter, Andrew achieved an almost invisible base station antenna. All series of antennas support the W-CDMA band.
Multi-carrier power amplifier in WCDMA networksAndrew's leading multi-carrier power amplifier family successfully implemented WCDMA networks, completing thousands of 2G and 3G network sites worldwide, supporting WCDMA and its portfolio.
Its UMTS multi-carrier power amplifier uses digital pre-distortion technology and Andrew's patented 3dB bridge Doherty technology to achieve an industry-leading compact form factor. Multi-carrier power amplifier operating efficiency is 35% for WCDMA and 40% for CDMA multi-carrier. The WCDMA power amplifier provides up to 80 watts of composite output power in four W-CDMA carrier channels in the frequency band 2.1 GHz band. The CDMA850Mhz band multi-carrier power amplifier has 4 carriers, output power of 120W, and efficiency up to 40%, leading the industry, achieving energy saving and environmental protection for mobile communications.
OneBaseTM CellExtender, the industry's most efficient high-power multi-carrier power amplifier, is one of Andrew's OneBase brand products and solutions for wireless base stations capable of simultaneously transmitting WCDMA, CDMA-EVDO and all 3G radio signals.
OneBaseExtenderMulTI-SectorMicro is the industry's smallest multi-carrier power amplifier (MCPA) configuration tailored for wireless carriers that supports three independent antenna feed arrays at the same base station site.
OneBaseMCPAs expands wireless base station coverage and increases wireless base station capacity. By providing flexible combinations and enhanced coverage, Andrew OneBaseMCPAs helps customers reduce the need for new antennas, feeders and transceivers and base station sites, greatly reducing the investment and operating costs of wireless carriers.
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