Multi-carrier receiver, multi-carrier transmitter and multi-carrier transceiver system
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
H04L-027/00
H04L-027/28
출원번호
US-0889417
(2010-09-24)
등록번호
US-8396099
(2013-03-12)
우선권정보
TW-99127785 A (2010-08-19)
발명자
/ 주소
Lai, Chang-Ming
Wu, Ping-Hsun
Li, Jian-Yu
출원인 / 주소
Industrial Technology Research Institute
대리인 / 주소
Jianq Chyun IP Office
인용정보
피인용 횟수 :
0인용 특허 :
23
초록▼
A multi-carrier receiver, multi-carrier transmitter and a multi-carrier transceiver system are provided. The multi-carrier receiver includes at least a first processing unit, a routed switch and a second processing unit. The first processing unit has M first processing paths, performs intensity proc
A multi-carrier receiver, multi-carrier transmitter and a multi-carrier transceiver system are provided. The multi-carrier receiver includes at least a first processing unit, a routed switch and a second processing unit. The first processing unit has M first processing paths, performs intensity processing to at least one RF signal for outputting sub-carrier signals. The routed switch has M input terminals and N output terminals, where the M input terminals are respectively coupled to the M first processing paths and receive the sub-carrier signals. The routed switch connects each input terminal to at least one output terminal or none of the output terminals according to a control signal. The second processing unit has N second processing paths respectively coupled to the N output terminals for demodulating the sub-carrier signals and performing an analog-to-digital conversion to the demodulated signals for generating digital signals, where M and N are greater than 0.
대표청구항▼
1. A multi-carrier receiver, comprising: a first signal processing unit, having M first signal processing paths, and configured for performing a first signal processing to at least one radio frequency (RF) signal for outputting at least one sub-carrier signal, wherein the at least one RF signal is t
1. A multi-carrier receiver, comprising: a first signal processing unit, having M first signal processing paths, and configured for performing a first signal processing to at least one radio frequency (RF) signal for outputting at least one sub-carrier signal, wherein the at least one RF signal is the aggregation of the at least one sub-carrier signal and is adjusted by a carrier aggregation technique dynamically, wherein the sub-carrier signals are non-contiguous and M is greater than 0;a routed switch, having M input terminals and N output terminals, wherein the M input terminals are respectively coupled to the M first signal processing paths of the first signal processing unit for receiving the at least one sub-carrier signal, the routed switch dynamically switches the at least one sub-carrier signal to independent and parallel signal processing paths, and the routed switch connects each one of the input terminals to at least one of the output terminals or none of the output terminals according to a control signal, wherein N is greater than 0; anda second signal processing unit, having N second signal processing paths respectively coupled to the N output terminals of the routed switch, for performing a second signal processing to the at least one sub-carrier signal and outputting at least one digital signal. 2. The multi-carrier receiver as claimed in claim 1, further comprising: at least one antenna, configured for receiving the at least one RF signal; anda digital signal processing unit, coupled to the second signal processing unit, configured for receiving the at least one digital signal, performing a digital signal processing to the at least one digital signal, and providing the control signal to the routed switch,wherein the first signal processing unit further performs a filtering processing and a voltage enhancement processing to the at least one RF signal. 3. The multi-carrier receiver as claimed in claim 1, wherein each one of the first signal processing path of the first signal processing unit comprises: a first filter, configured for filtering noise of one of the at least one RF signal that is not belonging to a band of the first signal processing path;an amplifier, coupled to the first filter, configured for enhancing one of the at least one RF signal;an oscillator, configured for providing a frequency signal;a mixer, coupled to the oscillator and the amplifier, configured for receiving the enhanced one of the at least one RF signal, down-converting a frequency of one of the at least one RF signal, and generating the at least one down-converted sub-carrier signal; anda second filter, coupled to the mixer, configured for filtering noise of the at least one sub-carrier signal that is not belonging to a down-converted intermediate frequency band. 4. The multi-carrier receiver as claimed in claim 3, wherein each one of the second signal processing paths of the second signal processing unit comprises: a demodulator, for performing a demodulation processing to one of the at least one down-converted sub-carrier signal, and generating a demodulated analog signal; andan analog-to-digital converter, coupled to the demodulator, configured for performing an analog-to-digital conversion to the analog signal to generate one of the at least one digital signal. 5. The multi-carrier receiver as claimed in claim 4, further comprising: at least one antenna, configured for receiving the a least one RF signal; anda digital signal processing unit, coupled to the second signal processing unit, configured for receiving the at least one digital signal, performing a digital signal processing to the at least one digital signal, and providing the control signal to the routed switch. 6. The multi-carrier receiver as claimed in claim 1, wherein each first signal processing path of the first signal processing unit comprises: a first filter, configured for filtering noise of one of the at least one RF signal that is not belonging to a band of the first signal processing path; andan amplifier, coupled to the first filter, configured for performing a signal intensity processing to one of the at least one RF signal. 7. The multi-carrier receiver as claimed in claim 6, wherein each one of the second signal processing paths of the second signal processing unit comprises: a demodulator, configured for performing a demodulation processing to one of the at least one sub-carrier signal, and generating a demodulated analog signal; andan analog-to-digital converter, coupled to the demodulator, configured for performing an analog-to-digital conversion to the analog signal to generate one of the at least one digital signal. 8. The multi-carrier receiver as claimed in claim 7, further comprising: at least one antenna, configured for receiving the a least one RF signal; anda digital signal processing unit, coupled to the second signal processing unit, configured for receiving the at least one digital signal, performing a digital signal processing to the at least one digital signal, and providing the control signal to the routed switch. 9. A multi-carrier transmitter, comprising: a first signal processing unit, having K first signal processing paths, and configured for performing a first signal processing to at least one digital signal for outputting at least one sub-carrier signal, wherein the at least one digital signal is the aggregation of the at least one sub-carrier signal and is adjusted by a carrier aggregation technique dynamically, wherein the sub-carrier signals are non-contiguous, wherein K is greater than 0;a routed switch, having K input terminals and L output terminals, wherein the K input terminals are respectively coupled to the K first signal processing paths of the first signal processing unit for receiving the at least one sub-carrier signal, the routed switch dynamically switches the at least one sub-carrier signal to independent and parallel signal processing paths, and the routed switch connects each one of the input terminals to at least one of the output terminals or none of the output terminals according to a control signal, wherein L is greater than 0; anda second signal processing unit, having L second signal processing paths respectively coupled to the L output terminals of the routed switch, configured for performing a second signal processing to the at least one sub-carrier signal and outputting at least one radio frequency (RF) signal. 10. The multi-carrier transmitter as claimed in claim 9, further comprising: a digital signal processing unit, coupled to the first signal processing unit, configured for providing the at least one digital signal to the first signal processing unit, and providing the control signal to the routed switch; andat least one antenna, for transmitting the at least one RF signal, wherein the at least one RF signal comprises the at least one sub-carrier signal,wherein the second signal processing unit further performs a filtering processing and a voltage enhancement processing to the at least one sub-carrier signal. 11. The multi-carrier transmitter as claimed in claim 9, wherein each one of the first signal processing paths of the first signal processing unit comprises: a digital-to-analog converter, coupled to the digital signal processing unit, configured for performing a digital-to-analog conversion to one of the at least one digital signal to generate an analog signal; anda modulator, configured for performing a modulation processing to the analog signal, and generating one of the at least one modulated sub-carrier signal. 12. The multi-carrier transmitter as claimed in claim 11, wherein each one of the second signal processing paths of the second signal processing unit comprises: a first filter, configured for filtering noise of the at least one sub-carrier signal that is not belonging to an intermediate frequency band of the second signal processing path;an oscillator, configured for providing a frequency signal;an amplifier, coupled to the first filter, configured for enhancing the at least one RF signal;a mixer, coupled to the oscillator and the amplifier, configured for receiving the at least one filtered sub-carrier signal and the frequency signal, up-converting a frequency of the at least one sub-carrier signal, and generating the at least one frequency-increased RF signal; anda second filter, coupled to the amplifier, configured for filtering noise of the at least one gained RF signal that is not belonging to a band of the second signal processing path. 13. The multi-carrier transmitter as claimed in claim 12, further comprising: a digital signal processing unit, coupled to the first signal processing unit, configured for providing the at least one digital signal to the first signal processing unit, and providing the control signal to the routed switch; andat least one antenna, for transmitting the at least one RF signal, wherein the at least one RF signal comprises the at least one sub-carrier signal. 14. The multi-carrier transmitter as claimed in claim 11, wherein each one of the second signal processing paths of the second signal processing unit comprises: an amplifier, coupled to the first filter, configured for enhancing one of the at least one RF signal; anda filter, coupled to the amplifier, configured for filtering noise of the at least one gained RF signal that is not belonging to a band of the second signal processing path. 15. The multi-carrier transmitter as claimed in claim 14, further comprising: a digital signal processing unit, coupled to the first signal processing unit, configured for providing the at least one digital signal to the first signal processing unit, and providing the control signal to the routed switch; andat least one antenna, for transmitting the at least one RF signal, wherein the at least one RF signal comprises the at least one sub-carrier signal. 16. A multi-carrier transceiver system, comprising: a multi-carrier receiver, comprising: a first signal processing unit, having M first signal processing paths, and configured for performing a first signal processing to at least one first radio frequency (RF) signal for outputting at least one first sub-carrier signal, wherein the at least one first RF signal is the aggregation of the at least one sub-carrier signal and is adjusted by a carrier aggregation technique dynamically, wherein the sub-carrier signals are non-contiguous and M is greater than 0;a first routed switch, having M input terminals and N output terminals, wherein the M input terminals are respectively coupled to the M first signal processing paths of the first signal processing unit for receiving the at least one first sub-carrier signal, the routed switch dynamically switches the at least one sub-carrier signal to independent and parallel signal processing paths, and the first routed switch connects each one of the input terminals to at least one of the output terminals or none of the output terminals according to a first control signal, wherein N is greater than 0; anda second signal processing unit, having N second signal processing paths respectively coupled to the N output terminals of the first routed switch, configured for performing a second signal processing to the at least one first sub-carrier signal and outputting at least one first digital signal; anda multi-carrier transmitter, configured for transmitting at least one second sub-carrier signal. 17. The multi-carrier transceiver system as claimed in claim 16, wherein the multi-carrier receiver further comprises: at least one first antenna, configured for receiving the at least one first RF signal,wherein the first signal processing unit further performs a filtering processing and a voltage enhancement processing to the at least one first RF signal. 18. The multi-carrier transceiver system as claimed in claim 16, wherein the second signal processing of the second signal processing unit comprises a demodulation processing and an analog-to-digital conversion. 19. The multi-carrier transceiver system as claimed in claim 16, wherein the multi-carrier transmitter comprises: a third signal processing unit, having K third signal processing paths, and configured for performing a third signal processing to at least one second digital signal for outputting at least one second sub-carrier signal, wherein K is greater than 0;a second routed switch, having K input terminals and L output terminals, wherein the K input terminals are respectively coupled to the K third signal processing paths of the third signal processing unit for receiving the at least one second sub-carrier signal, and the second routed switch connects each one of the input terminals to at least one of the output terminals or none of the output terminals according to a second control signal, wherein L is greater than 0; anda fourth signal processing unit, having L fourth signal processing paths respectively coupled to the L output terminals of the second routed switch, configured for performing a fourth signal processing to the at least one second sub-carrier signal and outputting at least one second RF signal, wherein the at least one second RF signal comprises the at least one second sub-carrier signal. 20. The multi-carrier transceiver system as claimed in claim 19, wherein the multi-carrier transmitter further comprises: at least one second antenna, for transmitting the at least one second RF signal,wherein the fourth signal processing unit further performs a filtering processing and a voltage enhancement processing to the at least one second sub-carrier signal. 21. The multi-carrier transceiver system as claimed in claim 19, wherein the third signal processing of the third signal processing unit comprises a digital-to-analog conversion and a modulation processing. 22. The multi-carrier transceiver system as claimed in claim 19, further comprising: a digital signal processing unit, coupled to the second signal processing unit and the third signal processing unit, configured for receiving the at least one first digital signal, performing a digital signal processing to the at least one first digital signal, providing the first control signal to the first routed switch, providing the at least one second digital signal to the third signal processing unit, and providing the second control signal to the second routed switch.
연구과제 타임라인
LOADING...
LOADING...
LOADING...
LOADING...
LOADING...
이 특허에 인용된 특허 (23)
Oh, Hyun Seok; Yu, Hyun Seok; Lee, Hye Jeong; Choi, Gin Kyu; Moon, Yong Suk, Apparatus and method for sub-carrier allocation in a multiple-input and multiple-output (MIMO) orthogonal frequency division multiplexing (OFDM) communication system.
Miura, Toshihiro; Akamine, Hitoshi; Shigeno, Yasushi; Nakajima, Akishige; Tsuchiya, Masahiro, Semiconductor integrated circuit device and high frequency power amplifier module.
※ AI-Helper는 부적절한 답변을 할 수 있습니다.