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    • 11. 发明授权
    • Method and apparatus for determining location in a satellite communication system
    • 用于确定卫星通信系统中的位置的方法和装置
    • US07274327B2
    • 2007-09-25
    • US10039348
    • 2001-12-31
    • Paul MarkoCraig WadinRichard Andrew Michalski
    • Paul MarkoCraig WadinRichard Andrew Michalski
    • H04B7/185G01S5/02
    • H04B7/18552G01S5/0273G01S5/10
    • A receiver unit (400) capable of determining its approximate location using a first and a second satellite transmission source (12 & 14) and, a first terrestrial transmission source (18) includes a receiver (402) and decoder (450) for receiving and decoding a first synchronization pulse from the first satellite, a second synchronization pulse from the satellite signal, and a third synchronization pulse from the terrestrial source. The receiver unit further includes a counter (412) for measuring a first delay between the first synchronization pulse and the second synchronization pulse and for measuring a second delay between one of the first synchronization pulse or the second synchronization pulse and the third synchronization pulse. The receiver unit further includes a processor (421) for determining an east-west constant delay line based on the first delay and for determining a north-south constant delay line based on the second delay.
    • 一种能够使用第一和第二卫星传输源(12和14)确定其近似位置的接收机单元(400),并且第一地面传输源(18)包括接收机(402)和解码器(450) 解码来自第一卫星的第一同步脉冲,来自卫星信号的第二同步脉冲和来自地面源的第三同步脉冲。 接收器单元还包括用于测量第一同步脉冲和第二同步脉冲之间的第一延迟并用于测量第一同步脉冲或第二同步脉冲之间的第二延迟与第三同步脉冲之间的第二延迟的计数器(412)。 接收单元还包括一个处理器(421),用于基于第一延迟确定东西恒定延迟线,并且用于基于第二延迟来确定南北常数延迟线。
    • 12. 发明申请
    • Antenna diversity system
    • 天线分集系统
    • US20050276239A1
    • 2005-12-15
    • US10866838
    • 2004-06-14
    • Joseph SmallcombPaul MarkoCraig Wadin
    • Joseph SmallcombPaul MarkoCraig Wadin
    • H04B7/185H04H1/00H04H20/57H04H40/27H04H40/90
    • H04H20/57H04B7/18523H04H20/22H04H40/27H04H40/90
    • A system (100) for combining satellite and terrestrial signals from spatially diverse antennas (102 and 104) includes a tuner (101) and at least first and second analog to digital converters (103, 105) for converting at least two among the plurality of satellite signals and the terrestrial signal to a first digital stream and a second digital stream. A switch arrangement (106, 102 126) selectively switches among the first digital stream and the second digital stream before demodulating the digital streams using a plurality of algorithms (112, 122, 130) that selectively uses respectively demodulated signals of the first digital stream and the second digital stream to control (114, 124, 132) the switch arrangement to provide a plurality of multiplexed signals (161, 162, 163) that are combined (134) to form a combined signal (170). The combined signal can then be forward error corrected (136).
    • 一种用于从空间多样的天线(102和104)组合卫星和地面信号的系统(100)包括调谐器(101)和至少第一和第二模数转换器(103,105),用于将多个 卫星信号和地面信号到第一数字流和第二数字流。 在使用选择性地使用第一数字流的解调信号的多个算法(112,122,130)解调数字流之前,开关装置(106,102,126)选择性地在第一数字流和第二数字流之间切换,以及 所述第二数字流控制(114,124,132)所述开关装置以提供组合(134)以形成组合信号(170)的多个复用信号(161,162,163)。 然后组合信号可以进行前向纠错(136)。
    • 13. 发明授权
    • Low cost interoperable satellite digital audio radio service (SDARS) receiver architecture
    • 低成本互操作卫星数字音频无线电业务(SDARS)接收机架构
    • US06823169B2
    • 2004-11-23
    • US09318296
    • 1999-05-25
    • Paul MarkoDavid L. BrownCraig Wadin
    • Paul MarkoDavid L. BrownCraig Wadin
    • H04H100
    • H04B7/18534H04B7/18563
    • A system and method for simultaneously receiving first and second ensembles. The first ensemble includes a first signal from a first satellite, a first signal from a second satellite and a first signal from a terrestrial repeater. Likewise, the second ensemble includes a second signal from the first satellite, a second signal from the second satellite and a second signal from the terrestrial repeater. The inventive receiver further includes a mechanism for selectively outputting signals transmitted within the first and second ensembles. In the illustrative embodiment, the first signal from the second satellite is identical to the first signal from the first satellite. Similarly, the first signal from the terrestrial repeater is identical to the first signal from the first satellite.
    • 一种用于同时接收第一和第二组合的系统和方法。 第一集合包括来自第一卫星的第一信号,来自第二卫星的第一信号和来自陆地中继器的第一信号。 类似地,第二组合包括来自第一卫星的第二信号,来自第二卫星的第二信号和来自地面中继器的第二信号。 本发明的接收机还包括用于选择性地输出在第一和第二集合内传输的信号的机构。 在说明性实施例中,来自第二卫星的第一信号与来自第一卫星的第一信号相同。 类似地,来自地面中继器的第一信号与来自第一卫星的第一信号相同。
    • 14. 发明授权
    • Method and apparatus for digital audio playback using local stored content
    • 使用本地存储内容进行数字音频播放的方法和装置
    • US06785656B2
    • 2004-08-31
    • US09874741
    • 2001-06-05
    • Stelios PatsiokasPaul MarkoCraig Wadin
    • Stelios PatsiokasPaul MarkoCraig Wadin
    • G10L1900
    • H04H60/27H04H20/28
    • A device (100) for receiving, storing and playing back digital audio radio signals comprises a receiver (203), a decoder (502 and/or 504), a user input (516), a storage medium (510) coupled to the decoder, and a system controller (508) coupled to the user input. The receiver receives a digitally encoded bit stream (300) on a plurality of communication resources (104), wherein each communication resource contains content and associated index information. The decoder selectively decodes a selected plurality of communication resources and the user input selects the selected plurality based on the associated index information and selects a portion of the content contained in selected plurality to be retrieved. The storage medium stores the content and associated index information contained in the selected plurality of communication resources and the system controller stores and retrieves content to and from the storage medium based on input received at the user input.
    • 一种用于接收,存储和再现数字音频无线电信号的设备(100)包括接收机(203),解码器(502和/或504),用户输入(516),耦合到解码器的存储介质 ,以及耦合到用户输入的系统控制器(508)。 接收机在多个通信资源(104)上接收数字编码比特流(300),其中每个通信资源包含内容和相关索引信息。 解码器选择性地解码所选择的多个通信资源,并且用户输入基于相关联的索引信息选择所选择的多个,并且选择包含在所选择的多个中的内容的一部分以被检索。 存储介质存储包含在所选择的多个通信资源中的内容和相关联的索引信息,并且系统控制器基于在用户输入处接收的输入来存储和从存储介质检索内容。
    • 15. 发明授权
    • Low cost interoperable satellite digital audio radio service (SDARS) receiver adapted to receive signals in accordance with advantageous frequency plan
    • 低成本可互操作的卫星数字音频无线电业务(SDARS)接收机,可根据有利的频率规划接收信号
    • US06724827B1
    • 2004-04-20
    • US09318314
    • 1999-05-25
    • Stellios J. PatsiokasPaul MarkoCraig Wadin
    • Stellios J. PatsiokasPaul MarkoCraig Wadin
    • H04L2700
    • H04B7/18523H04L5/06
    • A communications system and method in which first and second carrier frequencies are transmitted from a first transmitter. The first carrier frequency is at a first low end of a band and the second carrier is at a second higher end of the band. Third and fourth carrier frequencies are transmitted from a second transmitter. The third carrier is at the lower end of the band but higher in frequency than the first carrier and the fourth carrier is at the higher end of the band but lower in frequency than the second carrier. Fifth and sixth carrier signals are transmitted from a third transmitter. The fifth carrier signal is higher in frequency than the third carrier signal and the sixth carrier signal is lower in frequency than the fourth carrier signal. In the illustrative embodiment, the first transmitter is located on a first satellite, the second transmitter is located on a second satellite and the third transmitter is located on a terrestrial repeater. The information modulated onto the first, third and fifth carriers is identical such that the first, third and fifth carriers comprise a first ensemble. The information modulated onto the second, fourth and sixth carriers comprise a second ensemble. In the illustrative embodiment, the inventive system includes plural receivers adapted to simultaneously receive first and second ensembles. The first ensemble includes a first signal from a first satellite, a first signal from a second satellite and a first signal from a terrestrial repeater. Likewise, the second ensemble includes a second signal from the first satellite, a second signal from the second satellite and a second signal from the terrestrial repeater. The inventive receiver further includes a mechanism for selectively outputting signals transmitted within the first and second ensembles.
    • 一种其中从第一发射机发送第一和第二载波频率的通信系统和方法。 第一载波频率在频带的第一低端,第二载波位于频带的第二较高端。 从第二发射机发送第三和第四载波频率。 第三载波在频带的下端,但频率高于第一载波,第四载波位于频带的较高端,但频率比第二载波低。 第五和第六载波信号从第三发射机传输。 第五载波信号的频率高于第三载波信号,第六载波信号的频率比第四载波信号低。 在说明性实施例中,第一发射机位于第一卫星上,第二发射机位于第二卫星上,第三发射机位于地面中继器上。 调制到第一,第三和第五载体上的信息是相同的,使得第一,第三和第五载体包括第一集合。 调制到第二,第四和第六载体上的信息包括第二组合。 在说明性实施例中,本发明的系统包括适于同时接收第一和第二组合的多个接收器。 第一集合包括来自第一卫星的第一信号,来自第二卫星的第一信号和来自陆地中继器的第一信号。 类似地,第二组合包括来自第一卫星的第二信号,来自第二卫星的第二信号和来自地面中继器的第二信号。 本发明的接收机还包括用于选择性地输出在第一和第二集合内传输的信号的机构。
    • 17. 发明授权
    • System and method for multipoint distribution of satellite digital audio radio service
    • 卫星数字音频无线电业务的多点分配系统和方法
    • US07123875B1
    • 2006-10-17
    • US09435315
    • 1999-11-04
    • Paul D. MarkoCraig Wadin
    • Paul D. MarkoCraig Wadin
    • H04H1/00
    • H04H40/90H04H20/02
    • A satellite digital audio radio service multipoint distribution system and method. The system comprises a satellite antenna and a satellite receiver for receiving a satellite digital audio radio signal and distributing a converted signal in response thereto. The distributed signal is received by plural receivers each of which provides a respective output signal in response thereto. In the best mode, the satellite receiver is a terrestrial repeater. The repeater decodes a stream of data received from the satellite and recodes the stream using a satellite radio terrestrial broadcast format. In the best mode, the signal is an intermediate frequency signal in the XM radio, multi-carrier modulation format. The recoded signal is rebroadcast by the repeater via a distribution network and received by a plurality of intermediate frequency (IF) receivers. The distribution system may be wireless, cable, or fiber optic. In the illustrative embodiment, the IF receivers are modified conventional satellite digital audio service receivers. A user interface is provided for each IF receiver to allow for channel selection and audio processing.
    • 一种卫星数字音频无线业务多点分配系统及方法。 该系统包括卫星天线和卫星接收机,用于接收卫星数字音频无线电信号并响应于此分配经转换的信号。 分布式信号由多个接收机接收,每个接收机响应于此而提供相应的输出信号。 在最佳模式下,卫星接收机是地面中继器。 中继器解码从卫星接收的数据流,并使用卫星无线电地面广播格式对流重新编码。 在最佳模式下,该信号是XM无线电,多载波调制格式的中频信号。 重新编码的信号由中继器经由分发网络重播,并由多个中频(IF)接收机接收。 分配系统可以是无线,有线或光纤。 在说明性实施例中,IF接收机是经修改的常规卫星数字音频服务接收机。 为每个IF接收机提供用户界面以允许频道选择和音频处理。
    • 18. 发明授权
    • Method and apparatus for backup power in a communication system
    • 通信系统中备用电源的方法和装置
    • US06993316B2
    • 2006-01-31
    • US09874807
    • 2001-06-05
    • Paul MarkoCraig Wadin
    • Paul MarkoCraig Wadin
    • H04B1/16
    • H04W52/0296Y02D70/00
    • A digital receiver unit (28) having a backup energy source (214) for use in a vehicle (250) that operates on a primary energy source (216) includes a receiver (203) powered by the primary energy source when the vehicle is operating, a switching mechanism (210 and 212) for switching the receiver between the primary energy source and the backup energy source and a controller (210) coupled to the receiver for controlling the switching mechanism. The receiver receives data during a scheduled predetermined time and the backup energy source powers the receiver during the scheduled predetermined time if the vehicle is not operating.
    • 具有用于在一次能源(216)上操作的车辆(250)中的备用能量源(214)的数字接收机单元(28)包括当车辆运行时由主能源供电的接收器(203) ,用于在所述主能量源和所述备用能量源之间切换所述接收器的切换机构(210和212)以及耦合到所述接收器的用于控制所述切换机构的控制器(210)。 接收机在预定的预定时间内接收数据,并且如果车辆不工作,备用能源在预定的预定时间内为接收机供电。
    • 19. 发明授权
    • Interoperable satellite digital audio radio service (SDARS) receiver architecture
    • 可互操作的卫星数字音频无线电业务(SDARS)接收机架构
    • US07505745B1
    • 2009-03-17
    • US09318031
    • 1999-05-25
    • Paul MarkoDavid L. BrownCraig Wadin
    • Paul MarkoDavid L. BrownCraig Wadin
    • H04B7/08
    • H04B1/001H04H40/90H04L27/2602
    • An interoperable receiver adapted to receive signals in multiple SDARS bands. The advantageous operation is afforded by the design of the receiver by which an entire band consisting of multiple carriers is received at one time. Receipt and processing of each SDARS band signals is then effectuated by retuning a synthesizer as necessary. In the illustrative embodiment, the invention further includes circuitry for simultaneously receiving first and second ensembles. The first ensemble including a first signal from a first source, a first signal from a second source and a first signal from a third source. The second ensemble including a second signal from the first source, a second signal from the second source and a second signal from the third source. In a preferred embodiment, the inventive receiver is adapted to receive and output audio signals along with data signals simultaneously.
    • 适用于在多个SDARS频带中接收信号的互操作接收机。 通过接收机的设计来提供有利的操作,通过该设计,一次接收由多个载波组成的整个频带。 然后通过根据需要重新组合合成器来实现每个SDARS频带信号的接收和处理。 在说明性实施例中,本发明还包括用于同时接收第一和第二组合的电路。 第一集合包括来自第一源的第一信号,来自第二源的第一信号和来自第三源的第一信号。 第二集合包括来自第一源的第二信号,来自第二源的第二信号和来自第三源的第二信号。 在优选实施例中,本发明的接收机适用于同时接收和输出音频信号以及数据信号。