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-0729191 (2015-06-03) |
등록번호 | US-9912381 (2018-03-06) |
발명자 / 주소 |
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출원인 / 주소 |
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대리인 / 주소 |
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인용정보 | 피인용 횟수 : 47 인용 특허 : 1586 |
Aspects of the subject disclosure may include, for example, a network termination includes a downstream channel modulator modulates downstream data into downstream channel signals to convey the downstream data via a guided electromagnetic wave that is bound to a transmission medium of a guided wave
Aspects of the subject disclosure may include, for example, a network termination includes a downstream channel modulator modulates downstream data into downstream channel signals to convey the downstream data via a guided electromagnetic wave that is bound to a transmission medium of a guided wave communication system. A host interface sends the downstream channel signals to the guided wave communication system and receives upstream channel signals corresponding to upstream frequency channels from the guided wave communication system. An upstream channel demodulator demodulates upstream channel signals into upstream data. Other embodiments are disclosed.
1. A network terminal comprising: a first interface configured to receive first data from a communication network and to send second data to the communication network;a channel modulator configured to modulate the first data, by physical layer processing, into first channel signals formatted in acco
1. A network terminal comprising: a first interface configured to receive first data from a communication network and to send second data to the communication network;a channel modulator configured to modulate the first data, by physical layer processing, into first channel signals formatted in accordance with a wireless standard communication protocol, the first channel signals compatible with direct wireless connectivity to wireless devices via the wireless standard communication protocol without requiring either analog to digital conversion or digital to analog conversion analog conversion, the first channel signals corresponding to first frequency channels of a guided wave communication system to convey the first data via a first guided electromagnetic wave that is bound to a transmission medium of the guided wave communication system;a second interface, coupled to a fiber optic link, configured to send the first channel signals formatted in accordance with the wireless standard communication protocol over the fiber optic link to the guided wave communication system for propagation via the first guided electromagnetic wave at non-optical frequencies without an electrical return path and to receive second channel signals formatted in accordance with the wireless standard communication protocol via the fiber optic link, the second channel signals corresponding to second frequency channels from the guided wave communication system conveyed via a second guided electromagnetic wave, wherein the guided wave communication system includes a plurality of repeaters that receives and repeats the first guided electromagnetic wave and the second guided electromagnetic wave along the transmission medium, and wherein the plurality of repeaters further provides the direct wireless connectivity to the wireless devices via individual antennas of a distributed antenna system; anda channel demodulator configured to demodulate the second channel signals in accordance with the wireless standard communication protocol into the second data. 2. The network terminal of claim 1 wherein the channel modulator modulates the first channel signals to convey selected ones of the first channel signals to each of the plurality of repeaters to facilitate wireless transmissions to the wireless devices via the individual antennas of the distributed antenna system and wherein the plurality of repeaters each further generates selected ones of the second channel signals from wireless receptions from the wireless devices via the individual antennas of the distributed antenna system. 3. The network terminal of claim 2 wherein the transmission medium includes one of: a wire and the first guided electromagnetic wave is bound to an outer surface of the wire, a power line of a public utility and the first guided electromagnetic wave is bound to an outer surface of the power line, or a dielectric core surrounded by cladding and a jacket and the first guided electromagnetic wave is bound to an outer surface of the dielectric core. 4. The network terminal of claim 1 wherein a number of the second frequency channels is less than a number of the first frequency channels. 5. The network terminal of claim 1 wherein a number of the second frequency channels is equal to a number of the first frequency channels. 6. The network terminal of claim 1 wherein a first subset of the first channel signals is modulated in accordance with a first standard protocol and a second subset of the first channel signals is modulated in accordance with a second standard protocol that differs from the first standard protocol. 7. The network terminal of claim 1 wherein a first subset of the second channel signals is demodulated in accordance with a first standard protocol and a second subset of the second channel signals is demodulated in accordance with a second standard protocol that differs from the first standard protocol. 8. The network terminal of claim 1 wherein at least a portion of the second channel signals and at least a portion of the first channel signals are formatted in accordance with a data over cable system interface specification (DOCSIS) protocol. 9. The network terminal of claim 1 wherein at least a portion of the second channel signals and at least a portion of the first channel signals are formatted in accordance with a 802.11 protocol or a fourth generation or higher mobile wireless protocol. 10. A method comprising: receiving downstream data from a communication network;modulating the downstream data by physical layer processing, into downstream channel signals formatted in accordance with a wireless standard communication protocol, the downstream channel signals compatible with direct wireless connectivity to wireless devices via the wireless standard communication protocol without requiring either analog to digital conversion or digital to analog conversion analog conversion, the downstream channel signals corresponding to downstream frequency channels of a guided wave communication system that convey first data via a first guided electromagnetic wave that is bound to a transmission medium of the guided wave communication system;sending the downstream channel signals, formatted in accordance with the wireless standard communication protocol, over a fiber optic link to the guided wave communication system for propagation via the first guided electromagnetic wave along the guided wave communication system at non-optical frequencies without an electrical return path;receiving upstream channel signals, formatted in accordance with the wireless standard communication protocol, corresponding to upstream frequency channels from the guided wave communication system via a second guided electromagnetic wave, wherein the guided wave communication system includes a plurality of repeaters that receives and repeats the first guided electromagnetic wave and the second guided electromagnetic wave along the transmission medium, and wherein the plurality of repeaters further provides the direct wireless connectivity to the wireless devices via individual antennas of a distributed antenna system;demodulating the upstream channel signals into upstream data; andsending the upstream data to the communication network. 11. The method of claim 10 wherein the modulating the downstream data into the downstream channel signals includes modulating the downstream channel signals to convey selected ones of the downstream channel signals to each of the plurality of repeaters to facilitate wireless transmissions to the wireless devices via the individual antennas of the distributed antenna system and wherein the plurality of repeaters each further generates selected ones of the upstream channel signals from wireless receptions from the wireless devices via the individual antennas of the distributed antenna system. 12. The method of claim 11 wherein the transmission medium includes one of: a wire and the first guided electromagnetic wave is bound to an outer surface of the wire, a power line of a public utility and the first guided electromagnetic wave is bound to an outer surface of the power line, or a dielectric core surrounded by cladding and a jacket and the first guided electromagnetic wave is bound to an outer surface of the dielectric core. 13. The method of claim 10 wherein a number of the upstream frequency channels is less than a number of the downstream frequency channels. 14. The method of claim 10 wherein a first subset of the upstream channel signals is demodulated in accordance with a first standard protocol and a second subset of the upstream channel signals is demodulated in accordance with a second standard protocol that differs from the first standard protocol. 15. The method of claim 10 wherein a first subset of the downstream channel signals is modulated in accordance with a first standard protocol and a second subset of the downstream channel signals is modulated in accordance with a second standard protocol that differs from the first standard protocol. 16. The method of claim 10 wherein at least a portion of the upstream channel signals and at least a portion of the downstream channel signals are formatted in accordance with a data over cable system interface specification protocol or a 802.11 protocol. 17. A network terminal comprising: a channel modulator configured to modulate first data, by physical layer processing, into first channel signals formatted in accordance with a wireless standard communication protocol, the first channel signals compatible with wireless connectivity to wireless devices via the wireless standard communication protocol without requiring either analog to digital conversion or digital to analog conversion analog conversion, to convey the first data via a first guided electromagnetic wave that is bound to a transmission medium of a guided wave communication system;an interface, coupled to a fiber optic link configured to send the first channel signals formatted in accordance with the wireless standard communication protocol over the fiber optic link to the guided wave communication system for propagation via the first guided electromagnetic wave at non-optical frequencies without an electrical return path and to receive second channel signals formatted in accordance with the wireless standard communication protocol via the fiber optic link, the second channel signals from the guided wave communication system via a second guided electromagnetic wave, wherein the guided wave communication system includes a plurality of repeaters that receives and repeats the first guided electromagnetic wave and the second guided electromagnetic wave along the transmission medium, and wherein the plurality of repeaters further provides the wireless connectivity to the wireless devices via individual antennas of a distributed antenna system; anda channel demodulator configured to demodulate the second channel signals into upstream data. 18. The network terminal of claim 17 wherein the transmission medium includes one of: a wire and the first guided electromagnetic wave is bound to an outer surface of the wire, a power line of a public utility and the first guided electromagnetic wave is bound to an outer surface of the power line, or a dielectric core surrounded by cladding and a jacket and the first guided electromagnetic wave is bound to an outer surface of the dielectric core.
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