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    • 43. 发明申请
    • WIRELESS COMMUNICATION SYSTEM
    • 无线通信系统
    • US20120101425A1
    • 2012-04-26
    • US13344412
    • 2012-01-05
    • Steven Gray
    • Steven Gray
    • A61M5/00H04W4/00H04Q9/00
    • A61B5/0002A61B5/4839A61B2560/0271A61M5/14244A61M5/14276A61M2205/3523A61M2205/3569A61M2205/3592H04W76/00H04W76/10
    • A wireless communication system includes a first device having a communications control circuit configured to initiate transmission of a wireless communication signal, and a second device including a communication interface circuit and a number of other circuits. The communication interface circuit may be responsive to the wireless communication signal to provide information carried by the wireless communication signal to at least one of the other circuits. Alternatively or additionally, the communication interface circuit may be responsive to the wireless communication signal to receive information specified by the wireless communication signal from at least one of the other circuits and to transmit another wireless communication signal carrying the retrieved information back to the first device. In either case, the communication interface circuit is unresponsive to control thereof by any of the number of other circuits. The communications control circuit controls all wireless communication between the first and second devices.
    • 无线通信系统包括具有通信控制电路的第一设备,该通信控制电路被配置为发起无线通信信号的发送,以及包括通信接口电路和多个其他电路的第二设备。 通信接口电路可以响应于无线通信信号,以将无线通信信号携带的信息提供给至少一个其它电路。 或者或另外,通信接口电路可以响应于无线通信信号以从其他电路中的至少一个接收由无线通信信号指定的信息,并且将携带检索到的信息的另一无线通信信号发送回第一设备。 在任一种情况下,通信接口电路对由其他电路中的任何一个控制它是无响应的。 通信控制电路控制第一和第二设备之间的所有无线通信。
    • 44. 发明授权
    • Wireless communication system
    • 无线通信系统
    • US08095123B2
    • 2012-01-10
    • US11151323
    • 2005-06-13
    • Steven Gray
    • Steven Gray
    • H04M3/00
    • A61B5/0002A61B5/4839A61B2560/0271A61M5/14244A61M5/14276A61M2205/3523A61M2205/3569A61M2205/3592H04W76/00H04W76/10
    • A wireless communication system includes a first device having a communications control circuit configured to initiate transmission of a wireless communication signal, and a second device including a communication interface circuit and a number of other circuits. The communication interface circuit may be responsive to the wireless communication signal to provide information carried by the wireless communication signal to at least one of the other circuits. Alternatively or additionally, the communication interface circuit may be responsive to the wireless communication signal to receive information specified by the wireless communication signal from at least one of the other circuits and to transmit another wireless communication signal carrying the retrieved information back to the first device. In either case, the communication interface circuit is unresponsive to control thereof by any of the number of other circuits. The communications control circuit controls all wireless communication between the first and second devices.
    • 无线通信系统包括具有通信控制电路的第一设备,该通信控制电路被配置为发起无线通信信号的发送,以及包括通信接口电路和多个其他电路的第二设备。 通信接口电路可以响应于无线通信信号,以将无线通信信号携带的信息提供给至少一个其它电路。 或者或另外,通信接口电路可以响应于无线通信信号以从其他电路中的至少一个接收由无线通信信号指定的信息,并且将携带检索到的信息的另一无线通信信号发送回第一设备。 在任一种情况下,通信接口电路对由其他电路中的任何一个控制它是无响应的。 通信控制电路控制第一和第二设备之间的所有无线通信。
    • 46. 发明申请
    • Method and apparatus using coordinate interleaving to increase diversity in a MIMO system
    • 使用坐标交织来增加MIMO系统中的分集的方法和装置
    • US20060034381A1
    • 2006-02-16
    • US10918533
    • 2004-08-12
    • Dumitru IonescuSteven Gray
    • Dumitru IonescuSteven Gray
    • H04L1/02H04B7/02H04L27/20
    • H04L1/0625H04B7/0417H04B7/0626H04L1/0047H04L1/005H04L1/006H04L1/0068H04L1/0071H04L1/0631H04L5/06H04L27/183H04L27/186H04L27/2003H04L27/2604H04L27/3416H04L27/3488
    • A method to increase diversity in MIMO fading channels interleaves coordinates of complex symbol(s) in a transmission frame after encoding and modulating. Specifically, an input signal is encoded and modulated into a codeword, jointly across at least two pipes, said pipes having space, time, frequency, or other nature, wherein the codeword spans a frame and is defined as at least one complex symbol whose complex values are all those to be transmitted during all channel uses covered by the frame. Each of the complex symbols have a first and second coordinate. After modulating, which may be combined with encoding in a signal space encoder, the coordinates are interleaved. In modulation, the complex symbols (typically two dimensional) may arise as elements of a multidimensional (typically greater than two dimensions) signal constellation, in which case those multidimensional constellation coordinates are the ones that are interleaved in the frame. The frame carrying the interleaved coordinates is transmitted by the first and at least second antennas, possible opposed sub-frames of the overall frame being transmitted separately by opposed antennas. A coset selector is used in some embodiments to maximize a minimum Hamming distance, and/or a minimum Euclidean distance, between coordinates within a coset to control diversity and/or coding gain. In some embodiments, the operation of the encoder and modulator is such as to maximize a minimum coordinate-wise Hamming distance, and/or a minimum Euclidean distance, between allowable codewords, and/or to provide additional structure for the allowable codewords. A method, transmitter, system, and mobile station are described.
    • 增加MIMO衰落信道分集的方法在编码和调制之后的传输帧中交织复杂符号的坐标。 具体地,输入信号被编码并且被调制成码字,共同跨越至少两个管道,所述管道具有空间,时间,频率或其他性质,其中码字跨越一个帧并被定义为至少一个复数符号,其复数 值都是在框架覆盖的所有通道使用期间传输的值。 每个复数符号具有第一和第二坐标。 在可以与信号空间编码器中的编码组合的调制之后,坐标被交织。 在调制中,复数符号(通常为二维)可以作为多维(通常大于二维)信号星座的元素而出现,在这种情况下,这些多维星座坐标是在帧中交错的那些。 承载交织坐标的帧由第一和至少第二天线发送,整个帧的可能相对的子帧由相对的天线分开发送。 在一些实施例中使用陪集选择器来最大化陪集中的坐标之间的最小汉明距离和/或最小欧氏距离以控制分集和/或编码增益。 在一些实施例中,编码器和调制器的操作使得可允许代码字之间的最小坐标汉明距离和/或最小欧几里德距离最大化,和/或为允许的码字提供附加结构。 描述了一种方法,发射机,系统和移动台。
    • 49. 发明授权
    • Adaptive refrigerator defrost method and apparatus
    • 适应冰箱除霜方法及装置
    • US06631620B2
    • 2003-10-14
    • US09683664
    • 2002-01-31
    • Steven GrayTimothy Dale Worthington
    • Steven GrayTimothy Dale Worthington
    • F25B4702
    • F25D21/002F25D17/065F25D2400/06F25D2700/02F25D2700/14
    • A method and apparatus for defrosting an evaporator of a refrigeration system including a defrost heater and a controller operatively connected to the evaporator and a defrost heater is provided. The method comprises initiating a defrost cycle to energize the defrost heater to defrost the evaporator, monitoring a temperature of the evaporator, terminating the defrost cycle by de-energizing the defrost heater when a low temperature termination point of the evaporator is reached when in a low temperature defrost cycle, and terminating the defrost cycle by de-energizing the defrost heater when a high temperature termination point of the evaporator is reached when in a high temperature defrost cycle.
    • 提供一种用于对包括除霜加热器和可操作地连接到蒸发器的控制器和除霜加热器的控制器的制冷系统的蒸发器进行除霜的方法和装置。 该方法包括启动除霜循环,以使除霜加热器通电以对蒸发器进行除霜,监测蒸发器的温度,当达到低温蒸发器的低温终止点时,通过使除霜加热器断电来终止除霜循环 在高温除霜循环中达到蒸发器的高温终止点时,通过使除霜加热器断电来终止除霜循环。