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公开(公告)号：CA1306503C
公开(公告)日：1992-08-18
申请号：CA587017
申请日：1988-12-23
Applicant: MOTOROLA INC
Inventor： ZDUNEK KENNETH J , KREBS JAY R
Abstract: CM00421H A shared data/voice communication system wherein data traffic may be guaranteed priority at a set, but programmable, level of system capacity and wherein interference between such data and voice traffic is effectively minimized. The system operates on standardized channel access rules in the data mode, as well as requesting permission to operate in the voice mode, which if granted, effects a specific protocol to condition the system for voice traffic and manage the same during such pendency. Long and short timers are selectively activated depending upon whether the system is in the voice or data mode to minimize collisions of the system radio data terminals requesting channel access.
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公开(公告)号：CA1282462C
公开(公告)日：1991-04-02
申请号：CA585990
申请日：1988-12-15
Applicant: MOTOROLA INC
Inventor： COMROE RICHARD A , ZDUNEK KENNETH J
Abstract: TRUNKED COMMUNICATION SYSTEM WITH NATIONWIDE ROAMING CAPABILITY Selected regional trunking systems are equipped with telephone interconnect capability and provided with local computers (106), which communicate with a national hub computer (110). At each selected trunking system, several IDs are reserved as "roaming IDs" to be temporarily assigned to roaming subscribers (112). When a subscriber determines that it has roamed into a new trunked system, it requests a roaming ID. A roaming ID is assigned and transmitted to the subscriber, which thereafter operates within the new trunked system using its roaming ID. The roaming assignment is also transmitted to the national hub computer (110) so that interconnect calls may be appropriately properly forwarded. The roaming subscriber (112) continues to operate under the assigned roaming ID until it roams out of the range of the current system and into yet another trunked system. In this way, the subscribers may roam from system to system.
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公开(公告)号：CA1275446C
公开(公告)日：1990-10-23
申请号：CA542826
申请日：1987-07-23
Applicant: MOTOROLA INC
Inventor： KOTZIN MICHAEL D , ZDUNEK KENNETH J , ZIOLKO ERIC F
IPC: H04K1/00
Abstract: SECURE TRUNKED COMMUNICATIONS SYSTEM A trunked communications system that accommodates encrypted secure communications. The system uses both non-encrypted message detectors and encrypted message detectors to assure that the trunked central control unit receives the signals it must receive in order to properly allocate and maintain channel assignments.
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公开(公告)号：HK149295A
公开(公告)日：1995-09-29
申请号：HK149295
申请日：1995-09-21
Applicant: MOTOROLA INC
Inventor： ZDUNEK KENNETH J , KREBS JAY R
Abstract: A shared data/voice communication system wherein data traffic may be guaranteed priority at a set, but programmable, level of system capacity and wherein interference between such data and voice traffic is effectively minimized. The system operates on standardized channel access rules in the data mode, as well as requesting permission to operate in the voice mode, which if granted, effects a specific protocol to condition the system for voice traffic and manage the same during such pendency. Long and short timers are selectively activated depending upon whether the system is in the voice or data mode to minimize collisions of the system radio data terminals requesting channel access.
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公开(公告)号：NO934273L
公开(公告)日：1993-11-25
申请号：NO934273
申请日：1993-11-25
Applicant: MOTOROLA INC
Inventor： WIECZOREK ALFRED B , LYNK CHARLES N JR , ROZANSKI WALTER J JR , ZDUNEK KENNETH J , MANSFIELD TERRY K
Abstract: A radio communication system including a control station and at least one remote station (20) is provided. The control station has a receiver for receiving radio signals, a transmitter for transmitting radio signals and a demodulator for measuring the frequency of the received signals. Responsive to a request for frequency measurement received from the receiver, the control station also has an error signal encoder to provide an error feedback signal containing the polarity and magnitude of the frequency difference for transmission by the transmitter. At least one remote station (20) has a receiver (25), a transmitter (26), a frequency controller (46), an encoder for encoding the request for frequency measurement and for actuating the transmitter (26) to transmit the request, and a decoder (34), responsive to the received error feedback signal for adjusting the frequency control.
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Patent Agency Ranking
公开(公告)号：NO910650A
公开(公告)日：1991-02-19
申请号：NO910650
申请日：1991-02-19
Applicant: MOTOROLA INC
Inventor： ABLAY SEWIM F , THRO STUART W , ZDUNEK KENNETH J , BIANCALANA PETER
IPC: H04M20060101 , H04M11/00
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公开(公告)号：GB2217149A
公开(公告)日：1989-10-18
申请号：GB8902396
申请日：1989-02-03
Applicant: MOTOROLA INC
Inventor： ZDUNEK KENNETH J , KREBS JAY R
Abstract: A shared data/voice communication system wherein data traffic may be guaranteed priority at a set, but programmable, level of system capacity and wherein interference between such data and voice traffic is effectively minimized. The system operates on standardized channel access rules in the data mode, as well as requesting permission to operate in the voice mode, which if granted, effects a specific protocol to condition the system for voice traffic and manage the same during such pendency. Long and short timers are selectively activated depending upon whether the system is in the voice or data mode to minimize collisions of the system radio data terminals requesting channel access.
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公开(公告)号：FI935258A
公开(公告)日：1993-11-26
申请号：FI935258
申请日：1993-11-26
Applicant: MOTOROLA INC
Inventor： WIECZOREK ALFRED B , LYNK JR CHARLES N , ROZANSKI JR WALTER J , ZDUNEK KENNETH J , MANSFIELD TERRY K
Abstract: A radio communication system including a control station and at least one remote station (20) is provided. The control station has a receiver for receiving radio signals, a transmitter for transmitting radio signals and a demodulator for measuring the frequency of the received signals. Responsive to a request for frequency measurement received from the receiver, the control station also has an error signal encoder to provide an error feedback signal containing the polarity and magnitude of the frequency difference for transmission by the transmitter. At least one remote station (20) has a receiver (25), a transmitter (26), a frequency controller (46), an encoder for encoding the request for frequency measurement and for actuating the transmitter (26) to transmit the request, and a decoder (34), responsive to the received error feedback signal for adjusting the frequency control.
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公开(公告)号：GB2258368B
公开(公告)日：1993-05-19
申请号：GB9220896
申请日：1992-10-05
Applicant: MOTOROLA INC
Inventor： ZDUNEK KENNETH J , KREBS JAY R
Abstract: A shared data/voice communication system wherein data traffic may be guaranteed priority at a set, but programmable, level of system capacity and wherein interference between such data and voice traffic is effectively minimized. The system operates on standardized channel access rules in the data mode, as well as requesting permission to operate in the voice mode, which if granted, effects a specific protocol to condition the system for voice traffic and manage the same during such pendency. Long and short timers are selectively activated depending upon whether the system is in the voice or data mode to minimize collisions of the system radio data terminals requesting channel access.
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公开(公告)号：CA1300233C
公开(公告)日：1992-05-05
申请号：CA585301
申请日：1988-12-08
Applicant: MOTOROLA INC
Inventor： GRUBE GARY W , MONAHAN-MITCHELL TIMOTHY A , ZDUNEK KENNETH J
Abstract: CM-000404H UNIVERSAL FREQUENCY ASSIGNMENT PROTOCOL FOR TRUNKED RADIO SYSTEMS of the Invention A trunked communication system wherein channel assignment information is provided to a requesting subscriber unit in a dual word format that includes separate and specific information regarding both a transmit frequency and a receive frequency. The transmit and receive frequency information is provided in a coded form, which can be decoded by the subscriber unit with reference to a table of information stored therein in conjunction with a simple algorithm.
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