최소 단어 이상 선택하여야 합니다.
최대 10 단어까지만 선택 가능합니다.
다음과 같은 기능을 한번의 로그인으로 사용 할 수 있습니다.
NTIS 바로가기다음과 같은 기능을 한번의 로그인으로 사용 할 수 있습니다.
DataON 바로가기다음과 같은 기능을 한번의 로그인으로 사용 할 수 있습니다.
Edison 바로가기다음과 같은 기능을 한번의 로그인으로 사용 할 수 있습니다.
Kafe 바로가기국가/구분 | United States(US) Patent 등록 |
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국제특허분류(IPC7판) |
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출원번호 | US-0488559 (2009-06-20) |
등록번호 | US-8175649 (2012-05-08) |
발명자 / 주소 |
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출원인 / 주소 |
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대리인 / 주소 |
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인용정보 | 피인용 횟수 : 176 인용 특허 : 519 |
A method and system suitable for supporting wireless medical telemetry services (MTS) on a Distributed Antenna System (DAS). A DAS can provide wireless services including voice and data services using the same equipment. WMTS systems can include one or more active antenna units controlled by the MTS
A method and system suitable for supporting wireless medical telemetry services (MTS) on a Distributed Antenna System (DAS). A DAS can provide wireless services including voice and data services using the same equipment. WMTS systems can include one or more active antenna units controlled by the MTS access point. The DAS includes control channels for transferring the MTS control and status information between the MTS access point and the antenna. The control channels can be transferred over a separate cable, or transferred using one or more intermediate frequency signals transferred over existing cables DAS between the MTS access point and the antenna. The control channels can be used to configure and control and receive status from the managed components of the DAS including active antennas, control the amplifiers used to process TDD signals, and control the switching of the diversity antenna systems.
1. A distributed antenna system comprising: at least one cable run connecting a first combining unit to at least one antenna unit;the first combining unit including a base station connection capable of connecting the base station to the first combining unit, the first combining unit being capable of
1. A distributed antenna system comprising: at least one cable run connecting a first combining unit to at least one antenna unit;the first combining unit including a base station connection capable of connecting the base station to the first combining unit, the first combining unit being capable of transferring signals corresponding to a first wireless service between the base station and the cable run;at least one wireless service access point connected to the first combining unit, the first combining unit being capable of transferring signals corresponding to a second wireless service between the at least one wireless access point and the cable run;a first interface module connected to the wireless service access point and capable of converting a control signal sent from the wireless service access point to an intermediate frequency (IF) control signal and transferring the IF control signal between the wireless service access point and the first combining unit, the first combining unit being capable of transferring the IF control signal between the first interface module and the cable run; anda second combining unit connected to the cable run and capable of receiving the IF control signal and converting the IF control signal back to the control signal and transferring the control signal to the at least one antenna unit of the distributed antenna system, wherein the control signal controls amplification functions of the at least one antenna unit. 2. A distributed antenna system according to claim 1 further comprising: a reference clock signal generator connected to the first combining unit and capable of generating a reference clock signal, the first combining unit being capable of receiving the reference clock signal and transmitting the reference clock signal over the cable run to at least one antenna unit. 3. A distributed antenna system according to claim 2, wherein the first combining unit uses the reference clock signal to convert a signal received from the access point corresponding to the second wireless service to an intermediate frequency signal and transfers the intermediate frequency signal over the cable run to at least one antenna unit. 4. A distributed antenna system according to claim 3, wherein the second combining unit uses the reference clock signal to convert the intermediate frequency signal received from the first combining unit to the signal corresponding to the second wireless service and transfers the signal corresponding to the second wireless service to at least one antenna unit. 5. A distributed antenna system according to claim 2, wherein the at least one antenna unit is a diversity antenna having two or more antenna elements and the control signal and the reference clock signal are used by the diversity antenna to select which antenna element is used to broadcast signals corresponding to the second wireless service. 6. A distributed antenna system according to claim 2, wherein the distributed antenna system includes two or more antenna units and the reference clock signal is used by each of the two or more antenna units to synchronize broadcasting sequentially to avoid interference. 7. A distributed antenna system according to claim 1, wherein the second wireless service is a medical telemetry service. 8. A distributed antenna system comprising: at least one cable run connecting a first combining unit to at least one antenna unit;the first combining unit including a base station connection capable of connecting the base station to the first combining unit, the first combining unit being capable of transferring signals corresponding to a first wireless service between the base station and the cable run;at least one wireless service access point coupled to the first combining unit and capable of providing a second wireless service over the distributed antenna system, the wireless service access point including a control signal port and being adapted to generate a control signal for controlling amplification functions of an antenna unit;a second cable run connecting the control signal port of the at least one wireless service access point to at least one antenna unit and capable of transferring control signals to the at least one antenna unit; anda second service combiner connected to the cable run and capable of receiving signals corresponding to the first wireless service and signals corresponding to the second wireless service and transferring the signals corresponding to the first wireless service and signals corresponding to the second wireless service between the cable run and at least one antenna unit of the distributed antenna system. 9. A distributed antenna system according to claim 8, further comprising: a reference clock signal generator connected to the first combining unit and capable of generating a reference clock signal, the first combining unit being capable of receiving the reference clock signal and transmitting the reference clock signal over the cable run to at least one antenna unit. 10. A distributed antenna system according to claim 9, wherein the first combining unit uses the reference clock signal to convert a signal received from the access point corresponding to the second wireless service to an intermediate frequency signal and transfers the intermediate frequency signal over the cable run to at least one antenna unit. 11. A distributed antenna system according to claim 10, wherein the second combining unit uses the reference clock signal to convert the intermediate frequency signal received from the first combining unit to the signal corresponding to the second wireless service and transfers the signal corresponding to the second wireless service to at least one antenna unit. 12. A distributed antenna system according to claim 10, wherein the at least one antenna unit is a diversity antenna having two or more antenna elements and the control signal and the reference clock signal are used by the diversity antenna to select which antenna element is used to broadcast signals corresponding to the second wireless service. 13. A distributed antenna system according to claim 10, wherein the distributed antenna system includes two or more antenna units and the reference clock signal is used by each of the two or more antenna units to synchronize broadcasting sequentially to avoid interference. 14. A distributed antenna system according to claim 8, wherein the second wireless service is a medical telemetry service. 15. A distributed antenna system comprising: a cable run connecting a first combining unit to at least one antenna unit comprising a plurality of amplifiers;the first combining unit including a base station connection capable of connecting the base station to the first combining unit, the first combining unit being capable of transferring signals corresponding to a first wireless service between the base station and the cable run;a network port capable of connecting a second wireless service network to the first combining unit and the first combining unit being capable of transferring signals corresponding to a second wireless service between the second wireless service network and the cable run; anda second combining unit connected to the cable run and the second combining unit being capable of receiving first signals corresponding to the first wireless service and second signals corresponding to the second wireless service and transferring the signals corresponding to the first wireless service between the cable run and at least one antenna connected to the second combining unit; andan interface module connected to the second combining unit, the interface module being capable of connecting the second combining unit to at least one wireless service access point and transferring the second signals corresponding to the second wireless service between the second combining unit and the at least one wireless access point, whereinthe signals corresponding to the second wireless service include control signals and the controls signals are capable of controlling the plurality of amplifiers. 16. A distributed antenna system according to claim 15, further comprising a reference clock port capable of connecting a reference clock generator to the first combining unit, the first combining unit being capable of transferring a reference clock signal received from the reference clock generator over the cable run to the second combining unit, and wherein the second combining unit includes a connection to the interface module capable of transferring the reference clock signal between the cable run and interface module. 17. A distributed antenna system according to claim 16, wherein the distributed antenna system includes two or more antenna units and the reference clock signal is used by each of the two or more antenna units to synchronize broadcasting sequentially to avoid interference. 18. A distributed antenna system according to claim 15, further comprising a power port capable of connecting a power source to the first combining unit, the first combining unit being capable of transferring a power signal received from the power source over the cable run to the second combining unit, and wherein the second combining unit includes a connection to the interface module capable of transferring the power signal between the cable run and interface module. 19. A distributed antenna system according to claim 15, wherein the signals corresponding to the second wireless service include network data signals and additional control signals, and the additional control signals are capable of controlling functions of the wireless service access point. 20. A distributed antenna system according to claim 19, wherein the at least one antenna unit is a diversity antenna having two or more antenna elements and the control signal and the reference clock signal are used by the diversity antenna to select which antenna element is used to broadcast signals corresponding to the second wireless service. 21. A distributed antenna system comprising: at least one cable run connecting a first combining unit to at least one antenna unit comprising a plurality of diversity antennas;the first combining unit including a base station connection capable of connecting the base station to the first combining unit, the first combining unit being capable of transferring signals corresponding to a first wireless service between the base station and the cable run;at least one wireless service access point connected to the first combining unit, the first combining unit being capable of transferring signals corresponding to a second wireless service between the at least one wireless access point and the cable run;a first interface module connected to the wireless service access point and capable of converting a control signal sent from the wireless service access point to an intermediate frequency (IF) control signal and transferring the IF control signal between the wireless service access point and the first combining unit, the first combining unit being capable of transferring the IF control signal between the first interface module and the cable run; anda second combining unit connected to the cable run and capable of receiving the IF control signal and converting the IF control signal back to the control signal and transferring the control signal to the at least one antenna unit of the distributed antenna system, wherein the control signal controls which one of the plurality of diversity antennas is used. 22. A distributed antenna system comprising: at least one cable run connecting a first combining unit to at least one antenna unit comprising a plurality of antennas;the first combining unit including a base station connection capable of connecting the base station to the first combining unit, the first combining unit being capable of transferring signals corresponding to a first wireless service between the base station and the cable run;at least one wireless service access point connected to the first combining unit, the first combining unit being capable of transferring signals corresponding to a second wireless service between the at least one wireless access point and the cable run;a first interface module connected to the wireless service access point and capable of converting a control signal sent from the wireless service access point to an intermediate frequency (IF) control signal and transferring the IF control signal between the wireless service access point and the first combining unit, the first combining unit being capable of transferring the IF control signal between the first interface module and the cable run; anda second combining unit connected to the cable run and capable of receiving the IF control signal and converting the IF control signal back to the control signal and transferring the control signal to the at least one antenna unit of the distributed antenna system, wherein the control signal sequences transmission from different ones of the plurality of antennas to reduce interference. 23. A distributed antenna system comprising: at least one cable run connecting a first combining unit to at least one antenna unit comprising a plurality of diversity antennas;the first combining unit including a base station connection capable of connecting the base station to the first combining unit, the first combining unit being capable of transferring signals corresponding to a first wireless service between the base station and the cable run;at least one wireless service access point coupled to the first combining unit and capable of providing a second wireless service over the distributed antenna system, the wireless service access point including a control signal port and being adapted to generate a control signal for controlling the at least one antenna unit;a second cable run connecting the control signal port of the at least one wireless service access point to at least one antenna unit and capable of transferring control signals to the at least one antenna unit to control which one of the plurality of diversity antennas are used; anda second service combiner connected to the cable run and capable of receiving signals corresponding to the first wireless service and signals corresponding to the second wireless service and transferring the signals corresponding to the first wireless service and signals corresponding to the second wireless service between the cable run and at least one antenna unit of the distributed antenna system. 24. A distributed antenna system comprising: at least one cable run connecting a first combining unit to at least one antenna unit comprising a plurality of antennas;the first combining unit including a base station connection capable of connecting the base station to the first combining unit, the first combining unit being capable of transferring signals corresponding to a first wireless service between the base station and the cable run;at least one wireless service access point coupled to the first combining unit and capable of providing a second wireless service over the distributed antenna system, the wireless service access point including a control signal port and being adapted to generate a control signal for controlling an antenna unit;a second cable run connecting the control signal port of the at least one wireless service access point to at least one antenna unit and capable of transferring control signals to the at least one antenna unit and wherein the control signals sequence transmission from different ones of the plurality of antennas to reduce interference between transmissions; anda second service combiner connected to the cable run and capable of receiving signals corresponding to the first wireless service and signals corresponding to the second wireless service and transferring the signals corresponding to the first wireless service and signals corresponding to the second wireless service between the cable run and at least one antenna unit of the distributed antenna system. 25. A distributed antenna system comprising: a cable run connecting a first combining unit to at least one antenna unit comprising a plurality of diversity antennas;the first combining unit including a base station connection capable of connecting the base station to the first combining unit, the first combining unit being capable of transferring signals corresponding to a first wireless service between the base station and the cable run;a network port capable of connecting a second wireless service network to the first combining unit and the first combining unit being capable of transferring signals corresponding to a second wireless service between the second wireless service network and the cable run; anda second combining unit connected to the cable run and the second combining unit being capable of receiving first signals corresponding to the first wireless service and second signals corresponding to the second wireless service and transferring the signals corresponding to the first wireless service between the cable run and at least one antenna connected to the second combining unit; andan interface module connected to the second combining unit, the interface module being capable of connecting the second combining unit to at least one wireless service access point and transferring the second signals corresponding to the second wireless service between the second combining unit and the at least one wireless access point, whereinthe signals corresponding to the second wireless service include control signals and the controls signals control which of the plurality of diversity antennas are used. 26. A distributed antenna system comprising: a cable run connecting a first combining unit to at least one antenna unit comprising a plurality of antennas;the first combining unit including a base station connection capable of connecting the base station to the first combining unit, the first combining unit being capable of transferring signals corresponding to a first wireless service between the base station and the cable run;a network port capable of connecting a second wireless service network to the first combining unit and the first combining unit being capable of transferring signals corresponding to a second wireless service between the second wireless service network and the cable run; anda second combining unit connected to the cable run and the second combining unit being capable of receiving first signals corresponding to the first wireless service and second signals corresponding to the second wireless service and transferring the signals corresponding to the first wireless service between the cable run and at least one antenna connected to the second combining unit; andan interface module connected to the second combining unit, the interface module being capable of connecting the second combining unit to at least one wireless service access point and transferring the second signals corresponding to the second wireless service between the second combining unit and the at least one wireless access point, whereinthe signals corresponding to the second wireless service include control signals and the controls signals cause sequencing of transmission from different ones of the plurality of antennas to reduce interference between transmissions.
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