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公开(公告)号：DE69629050D1
公开(公告)日：2003-08-14
申请号：DE69629050
申请日：1996-03-11
Applicant: MOTOROLA INC
Inventor： AYERST I , MOORE MORRIS
Abstract: A technique for communicating global information in a radio communication system (100) in which a radio (106) is in a receive state during a first predetermined period of each of a plurality of transmission cycles (320) includes decoding a global event indicator (344) in a system information portion (331) of the first predetermined period of a first transmission cycle (320), setting the radio (106) to the receive state during a second predetermined period of a second transmission cycle (320), receiving the second predetermined period, decoding global event information in the second predetermined period, and processing the global event information. The second transmission cycle (320) is subsequent to the first transmission cycle (320).
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公开(公告)号：DE69634686T2
公开(公告)日：2006-05-04
申请号：DE69634686
申请日：1996-05-08
Applicant: MOTOROLA INC
Inventor： AYERST I , CANNON GREGORY , KHAN J , HILL ALAN
Abstract: A system controller (102) is used in a communication system (100) which has a set of inbound channels. The system controller (102) includes a processing system (204) for generating a first message which is transmitted to selective call devices (106). The first message includes a subset identifier which identifies an ALOHA subset of the set of inbound channels for use by a set of the selective call devices (106). A selective call device (106) includes a transmitter (708) and a processing system (710). The processing system (710) identifies the ALOHA subset of the set of inbound channels, and generates a second message and couples the second message to the transmitter (708) using an ALOHA protocol on an inbound channel which is in the ALOHA subset of the set of inbound channels when the second message is a first type. The transmitter (708) transmits the second message.
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公开(公告)号：DE69531210T2
公开(公告)日：2004-02-12
申请号：DE69531210
申请日：1995-07-28
Applicant: MOTOROLA INC
Abstract: A fixed system receiver (107), which includes a forward receiver (305), a reverse receiver (310), and a response timer (215), is for use in a radio communication system (100) having a forward radio channel and a reverse radio channel. A command is transmitted in a forward channel radio signal to a selective call transceiver. The forward receiver (305) is for receiving, demodulating, and decoding the command. The reverse receiver (310) is for receiving and demodulating the reverse channel radio signal. The response timer (215), which is coupled to the forward receiver (305) and the reverse receiver (310), is for determining a response period beginning substantially at a scheduled response time included in the command and having a duration which is substantially a designated length of the data unit included in the command, and for generating a control signal which enables the reverse receiver (310) during the response period.
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公开(公告)号：DE69629050T2
公开(公告)日：2004-01-29
申请号：DE69629050
申请日：1996-03-11
Applicant: MOTOROLA INC
Inventor： AYERST I , MOORE MORRIS
Abstract: A technique for communicating global information in a radio communication system (100) in which a radio (106) is in a receive state during a first predetermined period of each of a plurality of transmission cycles (320) includes decoding a global event indicator (344) in a system information portion (331) of the first predetermined period of a first transmission cycle (320), setting the radio (106) to the receive state during a second predetermined period of a second transmission cycle (320), receiving the second predetermined period, decoding global event information in the second predetermined period, and processing the global event information. The second transmission cycle (320) is subsequent to the first transmission cycle (320).
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Patent Agency Ranking
公开(公告)号：DE69624258D1
公开(公告)日：2002-11-14
申请号：DE69624258
申请日：1996-11-04
Applicant: MOTOROLA INC
Inventor： AYERST I , GOODMAN GARY , STARKWEATHER A
Abstract: A method for re-establishing communication between a base station (102) that transmits on a forward channel, and a subscriber unit (108) that has temporarily lost the forward channel, uses the concept of a re-registration interval. The base station (102) transmits, to subscriber units (106, 108) in its area, a signal indicating the duration of a re-registration interval. A subscriber unit that has temporarily lost the forward channel determines whether the duration of such loss exceeds the re-registration interval. If the interval is exceeded, the subscriber unit sends a re-registration signal to the base station on a reverse channel. A selective call transceiver (400) is programmed to operate as a subscriber unit that uses the re-registration interval.
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公开(公告)号：DE69634686D1
公开(公告)日：2005-06-09
申请号：DE69634686
申请日：1996-05-08
Applicant: MOTOROLA INC
Inventor： AYERST I , CANNON GREGORY , KHAN J , HILL ALAN
IPC: H04B7/26 , H04B7/005 , H04W84/02 , H04W88/02 , H04B7/204 , H04J3/16 , H04L12/413 , H04Q7/06 , H04Q7/20
Abstract: A system controller (102) is used in a communication system (100) which has a set of inbound channels. The system controller (102) includes a processing system (204) for generating a first message which is transmitted to selective call devices (106). The first message includes a subset identifier which identifies an ALOHA subset of the set of inbound channels for use by a set of the selective call devices (106). A selective call device (106) includes a transmitter (708) and a processing system (710). The processing system (710) identifies the ALOHA subset of the set of inbound channels, and generates a second message and couples the second message to the transmitter (708) using an ALOHA protocol on an inbound channel which is in the ALOHA subset of the set of inbound channels when the second message is a first type. The transmitter (708) transmits the second message.
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公开(公告)号：DE69531210D1
公开(公告)日：2003-08-07
申请号：DE69531210
申请日：1995-07-28
Applicant: MOTOROLA INC
Abstract: A fixed system receiver (107), which includes a forward receiver (305), a reverse receiver (310), and a response timer (215), is for use in a radio communication system (100) having a forward radio channel and a reverse radio channel. A command is transmitted in a forward channel radio signal to a selective call transceiver. The forward receiver (305) is for receiving, demodulating, and decoding the command. The reverse receiver (310) is for receiving and demodulating the reverse channel radio signal. The response timer (215), which is coupled to the forward receiver (305) and the reverse receiver (310), is for determining a response period beginning substantially at a scheduled response time included in the command and having a duration which is substantially a designated length of the data unit included in the command, and for generating a control signal which enables the reverse receiver (310) during the response period.
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公开(公告)号：DE69624258T2
公开(公告)日：2003-03-06
申请号：DE69624258
申请日：1996-11-04
Applicant: MOTOROLA INC
Inventor： AYERST I , GOODMAN GARY , STARKWEATHER A
Abstract: A method for re-establishing communication between a base station (102) that transmits on a forward channel, and a subscriber unit (108) that has temporarily lost the forward channel, uses the concept of a re-registration interval. The base station (102) transmits, to subscriber units (106, 108) in its area, a signal indicating the duration of a re-registration interval. A subscriber unit that has temporarily lost the forward channel determines whether the duration of such loss exceeds the re-registration interval. If the interval is exceeded, the subscriber unit sends a re-registration signal to the base station on a reverse channel. A selective call transceiver (400) is programmed to operate as a subscriber unit that uses the re-registration interval.
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