CSR向汽车市场推出SiRFstarIV技术
2011-06-19
作者：EEworld
来源：EEworld
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CSR公司（伦敦证券交易所：CSR.L）日前推出SiRFstarIV GSD4e-9500 GPS引擎，这是首款SiRFstarIV架构的GPS设备，经过优化能够满足车载行业日趋严苛的需求。CSR公司此举进一步巩固了自己在车载市场的领先地位。该公司还宣布已经开始发售车用级CSR8311，这是一款先进的蓝牙HCI设备，首次将蓝牙低功耗和宽带语音（也称高清语音）功能推广到车载市场。
新的SiRFstarIV GSD4e-9500 GPS引擎与CSR8311蓝牙和CSR6000 Wi-Fi连接设备一起，形成了一个完整的车用级定位与连接系统，为车载市场的一级供应商和OEM厂商提供高性能的平台解决方案，在全球范围内为汽车和卡车实现各种车载导航和信息服务应用。CSR公司日前还宣布推出适用于CSR6000的Wi-Linx软件模块。（编者按：参见“用于CSR6000的CSR Wi-Linx 让汽车成为滚烫的Wi-Fi热点”。）
CSR公司在Telematics Detroit 2011大会上展示了车用级硬件与软件解决方案，展会已于2011年6月8-9日在美国密歇根州诺维市举行。
CSR公司车载与便携式导航设备业务部高级副总裁Charlie Lesko表示：“GSD4e-9500的推出是我们同类最佳的车用级定位与连接组件组合不断扩展的一个重要里程碑，表明了我们对车载市场的坚定承诺。有了GPS、蓝牙和Wi-Fi解决方案这三驾马车，CSR公司未来几年完全能够满足车载市场的定位和无线连接需求。”
适用于汽车的SiRFstarIV：GSD4e-9500
新的GSD4e-9500首次为车载市场提供了全面突破的SiRFstarIV定位优势，包括主动干扰移除技术，并且支持SiRFInstantFix客户端和服务器生成的扩展型星历表以及SiRFDRive航迹推算技术。CSR公司独有的主动干扰移除技术能够自动预防汽车常见的带内电气干扰，使得GSD4e能够提供卓越的GPS性能。CSR公司的SiRFInstantFix扩展型星历表技术和SiRFDRive航迹推算技术能够缩短首次定位时间，并提高定位精度——即使汽车内部的天线布局不佳，如位于仪表板下面也能提供精准的定位。
目前大多数汽车制造商对于蓝牙和Wi-Fi的采用率和制造周期各不相同，这种模块化的方法使得汽车客户在制造车载信息娱乐和车信息服务系统时拥有了更大的灵活性，能够满足特定的市场需求。
CSR公司的汽车市场营销总监Lars Boeryd表示：“GSD4e-9500给汽车市场提供了一款经过市场验证的产品，它已经在消费市场和手机市场取得了高度的成功，现在又首次作为AEC-Q100认证设备上市。推出GSD4e-9500后，CSR公司为一级汽车供应商和OEM厂商更为广泛地采用SiRFDRive敞开了大门，并且现在能够为汽车市场提供各种完善的、极具竞争力的解决方案。”
除了能够通过主动干扰移除技术动态侦测、跟踪并主动阻断八种不同的干扰源外，GSD4e-9500还具备一系列其它特点，如单SAW设计、片上LNA、故障自动保护型I/O、集成开关、单电源电压、简单RF匹配、以及小尺寸与封装，使设计者能够更加轻松地采用它，并把它整合在汽车平台上，因此供应商和OEM厂商在系统设计和天线布局方面拥有更大的灵活性，并能够缩短上市时间。它还经历了更为严格AEC-100认证流程以及制造、组装和测试程序，以满足相对于消费设备来说更高的车载品质与可靠性标准。
适用于汽车的蓝牙4.0：CSR8311
多家领先的汽车OEM厂商热切期盼CSR8311能够支持新出现的宽带语音标准，而且这种支持对于车载免提通话的质量和语音拨号功能的表现均有积极的影响，如今大多数的移动电话一般都具备语音拨号功能。
CSR8311为汽车制造商现有专用无键输入技术提供了补充平台，使驾驶人员能够通过其智能电话配置个性化的汽车设置，并使乘坐人员能够远程控制车载娱乐系统及使用蓝牙键盘访问互联网。这种技术，加上生物特征传感器和某些汽车功能，还为各种各样的车载保健应用敞开了大门，给具备某些医疗条件的驾驶人员提供有用的信息。
对于不断发展的后坐娱乐市场来说，CSR8311能够催生出各种各样的立体声耳机和遥控器，并且还支持CSR aptX™无线高保真低延迟音频压缩技术，实现蓝牙功能。CSR aptX技术采用先进的ADPCM原理，巧妙地将整个10Hz-22kHz高保真音频频率范围压缩到蓝牙传输标准的有限带宽范围，以提供高质量的立体声音频还原功能，并具有极低延迟优势，避免了车载视频娱乐系统的音唇不同步问题。
适用于汽车的Wi-Fi热点连接：用于 CSR6000的Wi-Linx
CSR公司日前还推出了适用于CSR6000的软件模块Wi-Linx，能够为任意汽车增加Wi-Fi热点、 Wi-Fi客户端和蓝牙3.0+HS功能。CSR6000的Wi-Linx目前能够用于Microsoft Windows CE 6.0和Microsoft Auto 4.1平台，它增强了消费者在下一代车载信息娱乐平台上的无线体验，将Wi-Fi引入汽车以补充现有的蓝牙功能。