91.
    发明专利
    未知

    公开(公告)号:AT509490T

    公开(公告)日:2011-05-15

    申请号:AT04016332

    申请日:1997-05-23

    Applicant: QUALCOMM INC

    Abstract: The cellular communication system includes a number of base stations through which a mobile unit communicates. The mobile unit maintains a list of active base stations with which it can communicate. One of the active stations is in communication with the mobile and uses this communication to measure the round-trip-delay between mobile and station. This delay is compared with a threshold and if this is exceeded, and the base station is a boundary station, then a hard hand-off is executed. The mobile can also monitor candidate base stations and if a triggering pilot signal is detected a hand-off can be triggered. Preferably the handoff can be between base stations controlled by different mobile switching centres.

    92.
    发明专利
    未知

    公开(公告)号:DE69738471D1

    公开(公告)日:2008-03-06

    申请号:DE69738471

    申请日:1997-05-23

    Applicant: QUALCOMM INC

    Abstract: The cellular communication system includes a number of base stations through which a mobile unit communicates. The mobile unit maintains a list of active base stations with which it can communicate. One of the active stations is in communication with the mobile and uses this communication to measure the round-trip-delay between mobile and station. This delay is compared with a threshold and if this is exceeded, and the base station is a boundary station, then a hard hand-off is executed. The mobile can also monitor candidate base stations and if a triggering pilot signal is detected a hand-off can be triggered. Preferably the handoff can be between base stations controlled by different mobile switching centres.

    93.
    发明专利
    未知

    公开(公告)号:DE69738311D1

    公开(公告)日:2008-01-03

    申请号:DE69738311

    申请日:1997-03-11

    Applicant: QUALCOMM INC

    Abstract: In a communications system including a set of base stations (14, 16, 18, 20) in communication with a remote unit (10), a technique is provided for centrally controlling transmission power. In accordance with this technique, a reverse link frame of data is first received from the remote unit (10) at each of the set of base stations (14, 16, 18, 20). The base stations (14, 16, 18, 20) determine a frame quality indication corresponding to the received reverse link frame of data and transmit the frame quality indication to a system controller (22, 24). The system controller (22, 24) then calculates, based on the frame quality indication from each of the set of base stations (14, 16, 18, 20), an aggregated frame quality indication corresponding to the received reverse link frame of data, and based on the aggregated frame quality indication calculates an absolute reverse threshold value. The absolute reverse threshold value is then provided to each of the set of base stations (14, 16, 18, 20), and each of the set of base stations (14, 16, 18, 20) provides a power control command for the remote unit (10) based on a comparison between the frame quality indication determined at the base station and the absolute reverse threshold value.

    94.
    发明专利
    未知

    公开(公告)号:DK0852888T3

    公开(公告)日:2005-03-14

    申请号:DK96936087

    申请日:1996-09-30

    Applicant: QUALCOMM INC

    Abstract: A method and system determines whether the receiving subscriber unit is also part of a digital wireless telephone system that has compatible vocoding capability. If so, vocoded data is converted into tones that are introduced into a wire-based telephone system for routing to the appropriate receiving digital wireless telephone system. When these tones are received by the receiving digital wireless telephone system, the vocoded data is regenerated based on the tones and then transmitted to the receiving subscriber unit. If the originating and receiving wireless subscriber units are part of the same digital wireless telephone system, the steps of conversion to tones and introduction into the wire-based telephone system may be omitted, and the vocoded data is passed between the two digital wireless telephone systems via an all-digital connection such as an ATM packet network or a wire-based telephone connection where the integrity of digital information is assured.

    95.
    发明专利
    未知

    公开(公告)号:PT852888E

    公开(公告)日:2005-02-28

    申请号:PT96936087

    申请日:1996-09-30

    Applicant: QUALCOMM INC

    Abstract: A method and system determines whether the receiving subscriber unit is also part of a digital wireless telephone system that has compatible vocoding capability. If so, vocoded data is converted into tones that are introduced into a wire-based telephone system for routing to the appropriate receiving digital wireless telephone system. When these tones are received by the receiving digital wireless telephone system, the vocoded data is regenerated based on the tones and then transmitted to the receiving subscriber unit. If the originating and receiving wireless subscriber units are part of the same digital wireless telephone system, the steps of conversion to tones and introduction into the wire-based telephone system may be omitted, and the vocoded data is passed between the two digital wireless telephone systems via an all-digital connection such as an ATM packet network or a wire-based telephone connection where the integrity of digital information is assured.

    97.
    发明专利
    未知

    公开(公告)号:AT282932T

    公开(公告)日:2004-12-15

    申请号:AT96936087

    申请日:1996-09-30

    Applicant: QUALCOMM INC

    Abstract: A method and system determines whether the receiving subscriber unit is also part of a digital wireless telephone system that has compatible vocoding capability. If so, vocoded data is converted into tones that are introduced into a wire-based telephone system for routing to the appropriate receiving digital wireless telephone system. When these tones are received by the receiving digital wireless telephone system, the vocoded data is regenerated based on the tones and then transmitted to the receiving subscriber unit. If the originating and receiving wireless subscriber units are part of the same digital wireless telephone system, the steps of conversion to tones and introduction into the wire-based telephone system may be omitted, and the vocoded data is passed between the two digital wireless telephone systems via an all-digital connection such as an ATM packet network or a wire-based telephone connection where the integrity of digital information is assured.

    METHOD AND SYSTEM FOR PROCESSING TELEPHONE CALLS INVOLVING TWO DIGITAL WIRELESS SUBSCRIBER UNITS THAT AVOIDS DOUBLE VOCODING.

    公开(公告)号:MY117901A

    公开(公告)日:2004-08-30

    申请号:MYPI9603990

    申请日:1996-09-26

    Applicant: QUALCOMM INC

    Abstract: A METHOD AND SYSTEM FOR PROCESSING TELEPHONE CALLS WITHIN A DIGITAL WIRELESS TELEPHONE SYSTEM (101A) IS DESCRIBED. DURING THE INITIATION OF A TELEPHONE CALL FROM A WIRELESS SUBSCRIBER UNIT (100A) IT IS DETERMINED WHETHER THE RECEIVING SUBSCRIBER UNIT IS ALSO PART OF A DIGITAL WIRELESS TELEPHONE SYSTEM (101A; 100B) THAT HAS COMPATIBLE VOCODING CAPABILITY. IF SO, VOCODED DATA FROM THE DIGITAL WIRELESS TELEPHONE SYSTEM (101A) IS CONVERTED INTO TONES THAT ARE INTRODUCED INTO A WIRE BASED TELEPHONE SYSTEM FOR ROUTING TO THE APPROPRIATE RECEIVING DIGITAL WIRELESS TELEPHONE SYSTEM (101A; 101B). WHEN THESE TONES ARE RECEIVED BY THE RECEIVING DIGITAL WIRELESS TELEPHONE SYSTEM (101A; 101 B) THE VOCODED DATA IS REGENERATED BASED ON THE TONES AND THEN TRANSMITTED TO THE RECEIVING SUBSCRIBER UNIT (100B; 106B). IF THE ORIGINATING AND RECEIVING WIRELESS SUBSCRIBER UNITS (100A, 100B) ARE PART OF THE SAME DIGITAL WIRELESS TELEPHONE SYSTEM (101A), THE STEPS OF CONVERSION TO TONES AND INTRODUCTION INTO THE WIRE BASED TELEPHONE SYSTEM ARE OMITTED, AND THE CALL IS ROUTED COMPLETELY WITHIN THAT DIGITAL WIRELESS TELEPHONE SYSTEM (101A). IN ANOTHER EMBODIMENT OF THE INVENTION, THE STEP OF CONVERSION TO TONES IS ENTIRELY OMITTED AND THE VOCODED DATA IS PASSED BETWEEN THE TWO DIGITAL WIRELESS TELEPHONE SYSTEMS (101A, 101 B) VIA AN ALL DIGITAL CONNECTION SUCH AS AN A TM PACKET NETWORK OR A WIRE BASED TELEPHONE CONNECTION WHERE THE INTEGRITY OF DIGITAL INFORMATION IS ASSURED. WHEN A CONFERENCE CALL IS INITIATED BY ONE OF THE WIRELESS SUBSCRIBER UNITS (100A/100B) INVOLVED IN THE TELEPHONE CALL, DATA FROM BOTH WIRELESS SUBSCRIBER UNITS (100A, 100B) IS DEVOCODED AND PLACED INTO ANALOG FORMAT SO THAT IT CAN BE SUMMED. ADDITIONALLY, SIGNAL PROCESSING RESOURCES ARE ALLOCATED FOR THE CALL IF THE TWO ORIGINAL WIRELESS SUBSCRIBER UNITS (100A, 100B) WERE PART OF THE SAME PART OF THE SAME DIGITAL WIRELESS TELEPHONE SYSTEM (101A). WHEN THE CALL WAITING FEATURE IS ACTIVATED BY A WIRELESS SUBSCRIBER UNIT (100A) INVOLVED IN A PHONE CALL WITH ANOTHER WIRELESS SUBSCRIBER UNIT (100B) ADDITIONAL SIGNAL PROCESSING RESOURCES ARE ALSO ALLOCATED FOR BOTH THE INCOMING AND OUTGOING DATA ASSOCIATED WITH THE SECOND CALL SO THAT IT MAY BE PROPERLY PROCESSED. .FIG. 1 & 2

    100.
    发明专利
    未知

    公开(公告)号:AT257298T

    公开(公告)日:2004-01-15

    申请号:AT94932118

    申请日:1994-10-28

    Applicant: QUALCOMM INC

    Abstract: In a receiver having a plurality of demodulation elements, a method of assigning the plurality of demodulation element so a set of available signals. A first method emphasizes diversity of transmitting devices so that power control is optimal. A second method emphasizes the maximum signal strength available to produce aggregate maximum signal strength. Both methods control the number of reassignments so that excessive data is not lost during the reassignment process. The apparatus comprises the plurality of demodulation elements, at least one searcher element, and a controller.

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