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    • 1. 发明授权
    • Virtual radio interface and radio operating system for a communication
device
    • 用于通信设备的虚拟无线电接口和无线电操作系统
    • US5490275A
    • 1996-02-06
    • US383556
    • 1995-02-01
    • Jerry L. SandvosTimothy A. Monahan-MitchellKarl R. Weiss
    • Jerry L. SandvosTimothy A. Monahan-MitchellKarl R. Weiss
    • G06F13/00G06F9/46G06F13/12H03J7/18H04B1/40H04L29/06G06F9/00
    • H03J7/18G06F13/12
    • A communication device (100) includes three levels and at least one feature and at least one protocol for communicating with other communication devices. The three levels are high level or user ergonomics (302), common level or feature/protocol (310), and low level or hardware platform (318). The feature/protocol level (310) is adapted for controlling the at least one feature and the at least one protocol. The user ergonomics (302) includes a first interface (304) coupled to the feature/protocol level (310) for allowing the user ergonomics level (302) to change without affecting the feature/protocol level (310). The, hardware platform (318) includes a second interface coupled to the feature/protocol level (310) for allowing the hardware platform (318) to change without affecting the feature/protocol level (310) or the user ergonomics level (302).
    • 通信设备(100)包括三个级别和至少一个特征以及用于与其他通信设备进行通信的至少一个协议。 这三个级别是高级别或用户人体工程学(302),共同级别或功能/协议(310)以及低级别或硬件平台(318)。 特征/协议级(310)适于控制该至少一个特征和至少一个协议。 用户人体工程学(302)包括耦合到特征/协议级别(310)的第一接口(304),用于允许用户人体工程学级别(302)改变而不影响特征/协议级别(310)。 该硬件平台(318)包括耦合到特征/协议级(310)的第二接口,用于允许硬件平台(318)改变而不影响特征/协议级(310)或用户人机工程学级(302)。
    • 3. 发明授权
    • Virtual data source for a radio transceiver
    • 无线电收发器的虚拟数据源
    • US5381346A
    • 1995-01-10
    • US906963
    • 1992-06-30
    • Timothy A. Monahan-MitchellKarl R. Weiss
    • Timothy A. Monahan-MitchellKarl R. Weiss
    • G06F13/00G06F9/46H04B1/38H04B1/40H04L29/06G06K11/16
    • G06F9/546H04B1/38
    • In a radio transceiver having a microcomputer (11) that controls various hardware-dependent components (220) and functions (240) that form a plurality of radio control processes, a method and apparatus for executing the radio control processes includes providing the microcomputer (11) with a plurality of virtual sources (272). The virtual sources (272) are for collecting and distributing data (440) generated by the hardware-dependent components (220) and functions (240) in the radio transceiver. A plurality of hardware-independent tasks (292, 392) for executing the radio control processes are also provided by the microcomputer. A distribution controlling interface standard (228) for controlling which hardware-independent task (292, 392) will receive from which virtual source (272) is further provided by the microcomputer (11).
    • 在具有控制形成多个无线电控制处理的各种与硬件有关的组件(220)和功能(240))的微计算机(11)的无线电收发机中,执行无线电控制处理的方法和装置包括:提供微型计算机 )与多个虚拟源(272)。 虚拟源(272)用于收集和分发由无线电收发器中的硬件相关组件(220)和功能(240)产生的数据(440)。 用于执行无线电控制处理的多个独立于硬件的任务(292,392)也由微计算机提供。 一种分配控制接口标准(228),用于控制哪个硬件无关任务(292,392)将从微型计算机(11)进一步提供虚拟源(272)。
    • 7. 发明授权
    • Optimized clock recovery for an MSK system
    • 为MSK系统优化时钟恢复
    • US5274672A
    • 1993-12-28
    • US785963
    • 1991-10-31
    • Karl R. Weiss
    • Karl R. Weiss
    • H04L7/00H04L7/027H04L7/04H04L27/10
    • H04L7/04H04L7/0008H04L7/027
    • A clock recovery system for radio communication inserts a synchronization signal (102) at a frequency of 1/2 the baud rate, at the spectral null of an MSK data signal (108), which is also at 1/2 the baud rate, for later retrieval. Hence, in a transmitter-encoder (100), an MSK generator (106) generates an MSK digitally modulated data signal (108e) having a baud rate and a spectral null at 1/2 the baud rate. A synchronization clock generator (104) generates a synchronization signal (102e) having a frequency at 1/2 the baud rate. This frequency at 1/2 the baud rate corresponds to the spectral null of the MSK digitally modulated data signal (108e). A transmitter transmits the synchronization signal (102e), at the spectral null of the data signal (108e), together (112) with the MSK digitally modulated data signal (108e). On the other end, a receiver-decoder (200) recovers (214) the synchronization signal (102d) and demodulates (212) the MSK digitally modulated data signal (108d) as a function of the synchronization signal (102d).
    • 用于无线电通信的时钟恢复系统在波特率1/2的频率处以同样为波特率1/2的MSK数据信号(108)的频谱零点插入同步信号(102),用于 后来检索。 因此,在发射机 - 编码器(100)中,MSK发生器(106)生成具有波特率和波特率1/2的频谱零点的MSK数字调制数据信号(108e)。 同步时钟发生器(104)产生频率为1/2波特率的同步信号(102e)。 波特率1/2的频率对应于MSK数字调制数据信号(108e)的频谱零点。 发射机将数据信号(108e)的频谱零点处的同步信号(102e)一起发送(112)与MSK数字调制数据信号(108e)。 另一方面,接收机 - 解码器(200)作为同步信号(102d)的函数,恢复(214)同步信号(102d)并解调(212)MSK数字调制数据信号(108d)。