EP3987666A1 - Ensemble circuit servant à la transmission de signaux radio et procédé de fonctionnement d'un ensemble circuit - Google Patents

Ensemble circuit servant à la transmission de signaux radio et procédé de fonctionnement d'un ensemble circuit

Info

Publication number
EP3987666A1
EP3987666A1 EP20733734.6A EP20733734A EP3987666A1 EP 3987666 A1 EP3987666 A1 EP 3987666A1 EP 20733734 A EP20733734 A EP 20733734A EP 3987666 A1 EP3987666 A1 EP 3987666A1
Authority
EP
European Patent Office
Prior art keywords
uplink
downlink
signal
circuit arrangement
signals
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
EP20733734.6A
Other languages
German (de)
English (en)
Inventor
Helmut Kautge
Lars Lehmann
Ahmed Sayed
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Molex CVS Dabendorf GmbH
Original Assignee
Molex CVS Dabendorf GmbH
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Molex CVS Dabendorf GmbH filed Critical Molex CVS Dabendorf GmbH
Publication of EP3987666A1 publication Critical patent/EP3987666A1/fr
Withdrawn legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/005—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission adapting radio receivers, transmitters andtransceivers for operation on two or more bands, i.e. frequency ranges
    • H04B1/0053—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission adapting radio receivers, transmitters andtransceivers for operation on two or more bands, i.e. frequency ranges with common antenna for more than one band
    • H04B1/006—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission adapting radio receivers, transmitters andtransceivers for operation on two or more bands, i.e. frequency ranges with common antenna for more than one band using switches for selecting the desired band
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
    • H03F3/189—High-frequency amplifiers, e.g. radio frequency amplifiers
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/005—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission adapting radio receivers, transmitters andtransceivers for operation on two or more bands, i.e. frequency ranges
    • H04B1/0053—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission adapting radio receivers, transmitters andtransceivers for operation on two or more bands, i.e. frequency ranges with common antenna for more than one band
    • H04B1/0057—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission adapting radio receivers, transmitters andtransceivers for operation on two or more bands, i.e. frequency ranges with common antenna for more than one band using diplexing or multiplexing filters for selecting the desired band
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/38—Transceivers, i.e. devices in which transmitter and receiver form a structural unit and in which at least one part is used for functions of transmitting and receiving
    • H04B1/3822—Transceivers, i.e. devices in which transmitter and receiver form a structural unit and in which at least one part is used for functions of transmitting and receiving specially adapted for use in vehicles
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/38—Transceivers, i.e. devices in which transmitter and receiver form a structural unit and in which at least one part is used for functions of transmitting and receiving
    • H04B1/40—Circuits
    • H04B1/401—Circuits for selecting or indicating operating mode
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/14—Relay systems
    • H04B7/15—Active relay systems
    • H04B7/155—Ground-based stations
    • H04B7/15507—Relay station based processing for cell extension or control of coverage area
    • H04B7/15514—Relay station based processing for cell extension or control of coverage area for shadowing compensation

Definitions

  • the invention relates to a circuit arrangement for the transmission of uplink and downlink signals which are transmitted between a terminal and an antenna, and a method for operating such a circuit arrangement.
  • Circuit arrangements for damping compensation are known from the prior art, DE 10 2007 004 911 A1 e.g. a multi-band circuit arrangement for compensating for the attenuation occurring in signal paths between a transmitting and receiving device for radio communication and an external antenna used with this transmitting and receiving device.
  • DE 10 2012 113 158 B4 discloses a circuit arrangement for compensating for attenuation with several sub-branches occurring in an antenna line between a mobile radio terminal and an antenna.
  • DE 10 2006 010 963 A1 also discloses a multi-band circuit arrangement for compensating for the attenuation of an antenna feeder cable to an external antenna for a mobile radio terminal.
  • WO 2018/144939 A1 discloses technologies for a signal amplifier.
  • the prior art methods disclose i.a. a so-called Grundzu stood, with one or more downlink branches being activated in this basic state, which enables the reception of incoming signals in all frequency bands and radio standards supported by the circuit arrangement.
  • this basic state is only set in the absence of an uplink signal from an end device operated with the circuit arrangement.
  • a circuit arrangement is proposed for the transmission of uplink and downlink signals which are transmitted between exactly one or more terminal (s) and exactly one or more antenna (s). This can compensate for losses in the transmission of these uplink and downlink signals, for example losses caused by signal-conducting components.
  • a terminal can be a portable terminal, for example a terminal portable by a user.
  • a terminal can for example be a mobile phone or a tablet PC.
  • a terminal can also be a modem or a control device, in particular a vehicle, for example a telematics control device.
  • the terminal can thus also be a permanently installed terminal, for example a terminal that is permanently installed in the vehicle.
  • uplink signals can be transmitted through the circuit arrangement.
  • uplink signals can be transmitted with frequencies from mutually different uplink frequency ranges, with an uplink signal transmitted in an uplink frequency range having a frequency from this frequency range.
  • Uplink frequency ranges that differ from one another can be used to transmit uplink signals in accordance with a radio standard or different radio standards.
  • Such standards can be, for example, a GSM standard, a UMTS standard, an LTE standard, a WIFI, or 5G New Radio standard
  • An uplink frequency range can be assigned to exactly one or several standards. It is thus possible for uplink signals to be transmitted in accordance with different standards in the same uplink frequency range. In such a case, the standard can only be determined from a frequency of an uplink signal by an additional signal analysis.
  • GSM and / or LTE and / or UMTS and / or other standards are transmitted.
  • the circuit arrangement can also transmit multiple downlink signals to whoever.
  • downlink signals with frequencies from mutually different downlink frequency ranges can be transmitted, with a downlink signal transmitted in a downlink frequency range having a frequency from this frequency range.
  • Different downlink frequency ranges can be used in particular for the transmission of downlink signals according to the various standards explained.
  • a downlink frequency range can be assigned to exactly one or several standards. It is thus possible for downlink signals to be transmitted in accordance with different standards in the same downlink frequency range. In such a case, the standard can only be determined from a frequency of a downlink signal by an additional signal analysis.
  • uplink and downlink signals can be transmitted in a time division duplex method, which is also known as the TDD method (time division duplex method) or in a frequency duplex method, which is also known as the FDD method (frequency division duplex method) can be.
  • TDD method time division duplex method
  • FDD method frequency division duplex method
  • the invention is not limited to the radio stan- dards or duplex method and thus relates to all radio standards and duplex methods that are already known to those skilled in the art, as well as future radio standards.
  • an uplink frequency range and a downlink frequency range can be assigned to a standard, these forming a standard-specific frequency range pair.
  • This pair of frequency ranges can also be referred to as the FDD band.
  • Such a device can, for example, as explained in more detail below, serve for signal transmission in an FDD method.
  • the circuit arrangement can comprise an interface on the terminal side. This can denote an interface via which a signaling connection between the circuit arrangement and the terminal can be established.
  • the interface on the terminal device side can enable bidirectional transmission of signals.
  • the terminal-side interface can comprise a so-called wireless coupler.
  • the circuit arrangement can comprise exactly one antenna-side interface or several antenna-side interfaces. This can denote an interface via which a signal connection between the circuit arrangement and one or more antenna (s) can be established.
  • the antenna can be an antenna external to the terminal. However, it is also possible that the antenna (s) is / are part of the circuit arrangement.
  • the antenna can in particular serve to receive signals that are sent out by a base station. Furthermore, the antenna can be used to transmit signals that are to be transmitted to the base station or another device.
  • the antenna-side interface can enable bidirectional transmission of signals.
  • the circuit arrangement can be arranged in a vehicle, in particular a motor vehicle.
  • the antenna external to the terminal can in particular be a vehicle antenna.
  • the circuit arrangement can furthermore, in particular, be part of a mobile radio amplification device or comprise or form a mobile radio amplification device.
  • a connection can be a signaling connection. This can in particular be a galvanic and / or inductive and / or capacitive be an active connection.
  • One connection is preferably a galvanic connection.
  • Components of the circuit arrangement can preferably be connected by galvanic and inductive connections.
  • the connection of the circuit arrangement with the terminal can be an inductive connection or a capacitive connection.
  • An uplink path can denote a signal path via which an uplink signal can be transmitted from the terminal-side interface to the antenna-side interface.
  • the uplink signal can in particular denote a signal generated by the terminal and transmitted to the terminal-side interface.
  • a downlink path can here denote a signal path via which a downlink signal can be transmitted from the antenna-side interface to the terminal-side interface.
  • the downlink signal can in particular be a signal received from the terminal external antenna, which z. B. was sent out by the base station.
  • Signal processing means can be arranged in an uplink path and / or downlink path. This can mean that the transmission of a signal via one of these signal paths can take place via active and / or passive signal processing means.
  • the signal transmission can take place via at least one amplifier device and / or at least one signal filter device and / or at least one signal switching device.
  • the circuit arrangement comprises at least one first uplink path for transmitting a first uplink signal.
  • the circuit arrangement preferably also comprises at least one further uplink path for transmitting a further uplink signal.
  • the circuit arrangement further comprises a first downlink path for transmitting a first downlink signal.
  • the circuit arrangement can include precisely one downlink path.
  • the circuit arrangement preferably comprises the first downlink path and at least one further downlink path for transmitting a further downlink signal.
  • a signal path can be designed as a frequency range-unspecific signal path or comprise a frequency range-unspecific signal path section.
  • a fre- Frequency range-unspecific signal path or section can be arranged and / or designed in such a way that signals from all downlink or uplink frequency ranges can be transmitted via these.
  • a signal path can also be designed as a frequency range-specific signal path or comprise a frequency range-specific signal path section.
  • a frequency range-specific signal path or section can be arranged and / or designed in such a way that only signals from exactly one or from several, but not all, downlink or uplink frequency range (s) can be transmitted via it.
  • a signal path comprises a plurality of different frequency range-specific signal path sections, in particular a section that is used to transmit a signal from exactly one downlink or uplink frequency range, and a further section that is used to transmit a signal from several downlink or uplink frequency ranges is used.
  • signal paths they can in particular be arranged and / or designed in such a way that only signals from a first downlink or uplink frequency range via a first signal path and only signals from a further downlink frequency range via the at least one further signal path or uplink frequency range are portable over, wherein the first and the further frequency range are different frequency ranges.
  • signals of different standards can thus be transmitted via different signal paths.
  • a signal path section forms a common path section of mutually different signal paths, such a path section being in particular a path section which is used to transmit a signal from several or even all uplink or downlink frequency ranges.
  • An uplink path or a downlink path can therefore include several path sections.
  • a path can also designate a section of a path.
  • Signal paths that is to say uplink and downlink paths, of the circuit arrangement can in this case be activated to produce an activated state and deactivated to produce a deactivated state, or remain so.
  • an activated state of a signal path a transmission of a corresponding signal, in particular - as will be explained in more detail below - signal transmission no more than a predetermined amount attenuated, is possible via the signal path.
  • the terminal-side interface is connected to the antenna-side interface via this signal path.
  • the circuit arrangement further comprises means for providing the uplink signals, in particular from a terminal device signal applied to the terminal-side interface, which can in particular be transmitted from the terminal device to the circuit arrangement via the terminal-side interface.
  • These means can in particular be or comprise filter means, power dividers, circulators, a switching device and / or further means, wherein these means can be arranged and / or designed in particular in such a way that a signal component of the terminal device signal with frequencies of an uplink frequency range or multiple uplink frequency ranges is filtered from the terminal signal.
  • a means for providing can in particular be or comprise a multiplexer. An uplink signal provided in this way can then be transmitted via a corresponding uplink path.
  • a means for providing an uplink signal or a part thereof can here also form a means for combining signals, in particular with frequencies from different frequency ranges, further in particular from different downlink signals.
  • the circuit arrangement accordingly comprises means for providing the downlink signals, in particular from an antenna signal, the antenna signal denoting a signal which is applied to the antenna-side interface and in particular is received by the antenna and transmitted to the antenna-side interface.
  • the means can in particular be arranged and / or designed in such a way that a Signal component of the antenna signal with frequencies of a downlink frequency range or several downlink frequency ranges is filtered from the antenna signal. A downlink signal filtered in this way can then be transmitted via a corresponding downlink path.
  • a means for providing a downlink signal or a part thereof can also form a means for combining signals, in particular with frequencies from different frequency ranges, further in particular from different uplink signals.
  • the circuit arrangement can comprise means for combining signals, in particular signals that can be transmitted via different, in particular frequency range-specific, uplink paths or sections, or signals that can be transmitted via different, in particular frequency range-specific, downlink paths or - Sections can be transferred.
  • the circuit arrangement further comprises means for detecting at least one uplink signal.
  • the means for detection are known to the person skilled in the art and are described, for example, in DE 10 2014 213 933 A1 or in DE 10 2017 209 209 A1.
  • the means for detecting an uplink signal can also identify an uplink signal, in particular the uplink frequency range of the corresponding uplink signal and / or a transmission standard of the detected uplink signal.
  • a further signal analysis of the uplink signal can be carried out to identify a standard, for example an analysis of a time profile of the uplink signal. It is possible that, alternatively or cumulatively, a signal analysis, in particular an analysis of the time course, can determine whether an uplink signal is detected according to a TDD method or an FDD method. Corresponding analysis methods are known to the person skilled in the art.
  • the circuit arrangement further comprises means for producing an activated state of the uplink path to which the detected (and identified) uplink signal is assigned.
  • An uplink signal can be assigned to an uplink path if the frequency, in particular the carrier frequency, is in the uplink frequency range to which the uplink path is assigned.
  • an activated state of a frequency range-specific up link path or section can be established.
  • the uplink path can be activated by the means for producing the activated state, which - as previously explained - for the transmission of signals with frequencies from the uplink Frequency range is designed, which also includes the frequency of the detected uplink signal.
  • the circuit arrangement comprises means for producing a simultaneously activated state of at least two (different) downlink and / or uplink paths, the production or maintenance of this activated state taking place when exactly one uplink signal or several uplink paths Signals are / are detected.
  • Maintaining the state can mean that an activated or deactivated state is not changed if it has already been set. E.g. This means that the simultaneously activated state is maintained so that no deactivated state of the signal paths in the activated state is established.
  • the means for producing can also be a means for maintaining the simultaneously activated state.
  • At least three signal paths namely at least one uplink path and at least two different downlink paths, are or remain activated at the same time.
  • This advantageously enables simultaneous transmission of several downlink signals with frequencies from different downlink frequency ranges. This can also be referred to as downlink inter-band carrier aggregation.
  • an uplink signal it is e.g. It is possible for an uplink signal to be detected in the previously explained basic state in which several or even all of the downlink paths are activated. According to the methods of the prior art, a deactivated state was then established for all but one downlink path. According to the invention, when an uplink signal is detected, the activated state of at least two or even all downlink paths can now be maintained.
  • the circuit arrangement is configured in particular such that the establishment or maintenance of the explained activated state of at least two (different) downlink paths takes place when exactly one uplink signal or several uplink signals is / are detected.
  • the creation / maintenance of a simultaneously activated state of at least two downlink paths can in particular take place by an activated state of at least one common path section of the downlink paths or by an activated state of at least one path section of the first downlink path and an activated state is established or maintained by at least one path section of the further downlink path.
  • the circuit arrangement can also comprise means for producing or maintaining a deactivated state of the signal paths.
  • the means for producing an activated state can also be used to produce or maintain a deactivated state.
  • the circuit arrangement can include at least one means for producing an activated state by which precisely one signal path can be activated.
  • the circuit arrangement can comprise at least one means for producing an activated state by means of which a plurality of signal paths can be activated simultaneously.
  • a downlink path for the transmission of downlink signals according to a 5G standard and another downlink path for the transmission of downlink signals according to the 4G standard and thus in the corresponding reception bands is activated and thus a simultaneous data transmission can take place according to both standards.
  • This can advantageously increase the data transmission rate, which can also be referred to as a so-called data boost, and enable data transmission in accordance with the NSA mode (non-stand-alone mode) of the 5G standard. This in turn advantageously enables e.g. a faster or improved implementation of applications based on this transmitted data.
  • the circuit arrangement comprises at least one further uplink path for transmitting a further uplink signal and means for establishing a simultaneously activated state of at least two uplink paths.
  • An activated state of the at least two uplink paths is established or maintained when one, in particular exactly one, uplink signal is detected, or when at least two, in particular different, uplink signals are detected.
  • This can also be referred to as uplink inter-band carrier aggregation if these at least two uplink signals are sent by a terminal. But it is also conceivable that the at least two uplink signals are sent from at least two different terminals.
  • the circuit arrangement is thus configured in particular in such a way that the establishment or maintenance of the explained activated state of at least two (mutually different) uplink paths takes place when at least one uplink signal is detected.
  • a simultaneously activated state of at least two uplink paths can be established or maintained depending on a previously known assignment between different uplink signals and activation states of several uplink paths assigned to these different uplink signals.
  • at least one further uplink path for the transmission of a further uplink signal which however does not necessarily have to be detected, can be activated or activated depending on a previously known assignment State to be maintained.
  • the activated state of several uplink paths is established in such a way that an FDD-based signal transmission is enabled for each activated downlink path with the uplink paths activated in this way.
  • an activated state of several receive and several uplink paths can be produced in such a way that all activated downlink paths are used for FDD-based signal transmission and / or all activated uplink paths are used for FDD-based signal transmission.
  • the funds also comprise at least one activatable amplifier device and / or at least one switching device for activation.
  • a data throughput rate when transmitting uplink signals via the proposed circuit arrangement can advantageously be increased, in particular when transmitting signals according to the 3G, 4G or 5G standard.
  • an uplink path for the transmission of uplink signals according to a 5G standard and another uplink path for the transmission of uplink signals according to the 4G standard are activated and thus a simultaneous data transmission according to both standards can take place.
  • the data transmission rate for uplink signals which can also be referred to as so-called data boost, can advantageously be increased and data transmission in accordance with the explained NSA mode (non-stand-alone mode) can be made possible.
  • the means for activating an uplink path form at least part of a means for activating a downlink path or vice versa. It is also possible that the means for providing a downlink signal form at least part of a means for providing an uplink signal or vice versa.
  • means for activation also form part of a means for provision or vice versa, in particular a switching device.
  • the circuit arrangement can in particular comprise at least one control and evaluation device, which can comprise a computing device or be designed as a computing device.
  • the computing device can in turn, for. B. be designed as a Mikrocon troller or integrated circuit or include such.
  • the previously explained means for detecting at least one uplink signal and the means (s) for producing an activated state can in this case include the control and evaluation device or be completely or at least partially formed by it.
  • an amount of the output signal of the signal path can be greater or not significantly smaller than the amount of the input signal.
  • the ratio of output to input power of a signal path can be referred to as the gain of the signal path, with a negative gain of a signal attenuation corresponds to.
  • G gain factor A
  • G gain factor A
  • G gain factor A
  • G gain factor A
  • G gain factor A
  • a gain G of a signal path in the activated state is at least 10dB, 20dB or 40dB greater than in a deactivated state.
  • the amplifier device can be activated or remain activated in the signal path. It is possible, for example, for an amplifier device to be arranged in an activatable signal path and thus for the signal to be transmitted over this signal path via this amplifier device.
  • An activated or deactivated state of a signal path can be activated or deactivated, for example, by switching it on or off, in particular by establishing or interrupting a power supply, an amplifier device and / or by changing the amplification factor of an amplifier device and / or by establishing or interrupting a signal path for the signal connection e.g. by RF switch and / or by changing a damping factor of a damping device and / or by changing a (s) useful frequency (range) of a filter device.
  • an activated uplink path and one of the activated downlink paths are used for FDD-based signal transmission.
  • nen the activated uplink path and exactly one of the activated downlink paths enable signal transmission in an FDD band according to an FDD standard.
  • signals are transmitted with two different and assigned uplink and downlink frequency ranges.
  • the circuit arrangement can be in a state in which a signal can be transmitted in accordance with a desired FDD standard, with a downlink signal also being able to be transmitted from a further downlink frequency range.
  • the production or maintenance of the simultaneously activated state of at least two downlink paths takes place as a function of a previously known assignment between different uplink signals, i.e. Uplink signals from different uplink frequency ranges, and downlink paths assigned to these different uplink signals.
  • a first set of downlink paths can be assigned to an uplink signal from a first uplink frequency range, an activated state of all downlink paths of the first set being established when such an uplink signal is detected.
  • a further set of downlink paths can be assigned to a further uplink signal, wherein the further set of downlink paths can differ from the first set of downlink paths. This can mean in particular that the broader set comprises more downlink paths than the first set, fewer downlink paths than the first set and / or at least one downlink path that is not part of the first set.
  • the uplink signal is a signal for FDD-based signal transmission
  • the set of downlink paths assigned to this uplink signal preferably comprises the downlink path for FDD-based signal transmission in the frequency ranges of an FDD band.
  • the assignment can be an adaptive assignment. This can mean that the assignment can be changed, in particular even after the circuit arrangement has been put into operation.
  • the downlink frequency ranges of at least two of the downlink signals that can be transmitted via the downlink paths are assigned to a first downlink frequency range set, the establishment or maintenance of the activated state of the downlink paths taking place in such a way that a downlink signal from one of the frequency ranges of the first downlink frequency range set and at least one downlink signal from a downlink frequency range that is not assigned to the first downlink frequency range set can be transmitted.
  • a set of downlink frequency ranges can include one or at least two downlink frequency ranges, in particular directly adjacent downlink frequency ranges in the frequency range.
  • a first downlink frequency range set can be what is known as a low-band range, this frequency range comprising from 500 MHz to 1000 MHz.
  • a further set of downlink frequency ranges can be a so-called mid-band range, with frequencies from 1700 MHz to
  • the individual quantities can include different numbers of downlink frequency ranges.
  • At least one of the downlink frequency range sets is assigned to at least two downlink frequency ranges, with each further downlink frequency range set being able to be assigned exactly one or more downlink frequency range (s).
  • Each downlink frequency range is preferably assigned at least two downlink frequency ranges.
  • a downlink signal is assigned to a downlink frequency range set if the frequency of the downlink signal is in one of the frequency ranges of this set.
  • the activated state can be produced in such a way that the activated state of the downlink path assigned to this downlink signal and the activated state of all downlink paths of the further downlink frequency range sets, for example the High-band range.
  • the circuit arrangement can, for example, comprise a means for producing an activated state of all signal paths of a set of signal paths, e.g. which comprise signal paths for the transmission of signals from the low-band range, the mid-band range and / or the high-band range.
  • the activated state can be established in such a way that the activated state of the downlink signal assigned to this downlink signal is Paths as well as the activated state of all downlink paths of the further downlink frequency range sets, for example the low-band range, is established.
  • a terminal can continue to receive a signal with frequencies from the high-band frequency range, while a low-band uplink signal is detected.
  • the combination of several downlink frequency ranges into one downlink frequency range set and selection of only one band reduces the circuit complexity, since frequency ranges that are close to one another can be separated in a complex circuit. It also results in an advantageous manner that the proposed switching arrangement of requirements for possible belt combinations, e.g. B. within the ETSI standard can be met.
  • circuit arrangement can advantageously be adapted to the signal transmissions supported by the network providers or terminals.
  • an activated state of the downlink paths is established or maintained in such a way that several, but not all, downlink signals that are not assigned to the first downlink frequency range set can be transmitted via.
  • selected downlink signals can be transmitted from further downlink frequency range sets, e.g. exactly one or at least one downlink signal from each of the further downlink frequency range sets.
  • this production or maintenance takes place in such a way that all downlink signals that are not assigned to the first downlink frequency range set can be transmitted via.
  • the means for providing the downlink signals and / or the means for providing the uplink signals each comprise at least one filter means.
  • a filter means can in particular be a filter device, for example a low-pass filter, a band-pass filter, a band-stop filter or a high-pass filter, a combination of these filters or a further filter device.
  • the filter means can in particular be designed such that signals of precisely one uplink frequency range or precisely one downlink frequency range can be provided or filtered as an output signal of the filter means from an input signal of the filter means.
  • Such a filter means therefore serves to provide a signal which is transmitted via a frequency range-specific signal path or section.
  • Such a signal path or section can thus comprise such a filter means.
  • a filter means it is also possible for a filter means to be designed in such a way that an output signal of the filter means comprises frequencies of several uplink frequency ranges or downlink frequency ranges. These multiple frequency ranges can be adjacent ranges in the spectrum or frequency curve.
  • Such a filter means therefore serves to provide a signal which is transmitted via a frequency range-unspecific signal path or section.
  • a signal path or section can thus comprise such a filter means.
  • At least two or more of the filter means explained above are arranged in a downlink path or an uplink path.
  • a filter means can be designed as a frequency multiplexer or formed by a frequency multiplexer, this frequency multiplexer being used for frequency-selective division of an input signal into exactly two or more than two output signals from the frequency multiplexer.
  • a frequency multiplexer divides, in particular, an input signal containing / encompassing different frequencies into two or more output signals, each of which comprises different partial ranges of the frequency range of the input signal.
  • the frequency multiplexer can also be used to combine exactly two or more than two input signals from different frequency ranges to form exactly one output signal.
  • such a frequency multiplexer can be designed as a so-called diplexer, triplexer, quadplexer, hexaplexer, etc.
  • the means for providing the downlink signals and / or the means for providing the uplink signals each comprise at least one power splitter.
  • a power splitter can also be referred to as a splitter.
  • the power divider By means of the power divider, an input signal with an input signal power can be divided into two or more than two output signals, the output signal powers of which are each a predetermined proportion of the input signal power. Each of the output signals can include the same frequency range as the input signal.
  • the power divider can also be used to combine exactly two or more than two input signals into exactly one output signal, the output signal power then corresponding to the sum of the input signal powers.
  • the power splitter can also be referred to as a combiner.
  • at least one power splitter or several power splitters can be arranged in an uplink path or downlink path.
  • a filter means and / or a power splitter is / are arranged in several downlink paths or uplink paths, in particular in a common path section of these several uplink or downlink paths.
  • an antenna-side interface of the circuit arrangement is connected to an antenna-side signal connection of the means for providing the downlink signals.
  • the means for providing is formed here as a filter means or comprises at least one filter means.
  • the means for providing, but in particular also the filter means can, as explained above, also serve to merge uplink signals.
  • this antenna-side signal connection is formed by an antenna-side signal connection of the filter means for providing the downlink signals.
  • the antenna-side signal connection of the filter means can be connected directly or directly to the antenna-side signal interface of the circuit arrangement.
  • the antenna-side signal connection of the filter means is connected to the antenna-side signal interface of the circuit arrangement via, for example, a directional coupler.
  • the filter means is the first element in the receiving direction of the means for providing the downlink signals.
  • the means for providing further means for example a switching device.
  • this switching device is connected to the antenna-side signal connection of the circuit arrangement via the filter means.
  • the switching device is not directly or directly connected to the antenna-side signal interface of the circuit arrangement.
  • the means for establishing or maintaining the activated state, in particular the simultaneously activated state comprise at least one activatable or controllable amplifier device and / or at least one controllable damping device.
  • At least one activatable or controllable amplifier device and / or attenuation device is arranged in each downlink path. This has already been explained above. It is also conceivable that an activatable or controllable amplifier device and / or attenuation device is arranged in several downlink paths, in particular in a common section of these several downlink paths. To establish the activated state of one or more downlink paths, the amplifier and / or attenuation device or - as explained above - the amplifier and / or attenuation device (s) can be activated or their gain factors and / or attenuation factors can be set.
  • an activatable or controllable amplifier device and / or damping device can also be arranged in each uplink path.
  • an activatable or controllable amplifier device and / or damping device can be arranged in several uplink paths, for example in a common section of these several uplink paths.
  • an operation of an activatable or controllable amplifier device and / or damping device can in particular be controlled by the control and evaluation device explained above.
  • the control and evaluation device device be connected to the activatable amplifier device and / or attenuation device in terms of signals and / or data.
  • the means for activation comprise at least one switching device.
  • a switching device can e.g. be designed as an HF isolating switch.
  • An RF isolating switch can e.g. be designed as an SPST (single pole single throw) switch.
  • an open or a closed state of the HF isolating switch can be set. No signal transmission via the isolating switch is possible when open. When closed, signals can be transmitted via the HF isolating switch.
  • An activated state can be established, for example, by closing an RF isolating switch which is arranged in at least one signal path. Accordingly, a deactivated state can be established when the HF isolating switch is opened.
  • the switching device can also be designed as an RF switch.
  • An RF switch can e.g. be designed as SPDT (single pole double throw) switch, as SP3T switch or alternatively designed switch.
  • an input connection of the HF switch can be connected to different output connections of the switch in different switching states of the HF switch, the input connection in one switching state preferably being able to be connected to exactly one output connection.
  • connection between the input connection and an output connection previously connected to it can thus be separated and at the same time a connection between the input connection and a further output connection can be closed.
  • an activated state of the signal path can be established by setting a switching state of the RF switch arranged in the signal path in such a way that the input terminal of the RF switch is connected to the output terminal with to which the signal path is connected is connected. In this case, at least one additional signal path can be activated at the same time.
  • a deactivated state can be established by setting a switching state of the RF switch arranged in the signal path such that the input connection of the RF switch is connected to a further output connection to which the signal path is not connected. In this case, at least one further signal path can be deactivated at the same time.
  • the circuit arrangement can, however, additionally also comprise HF switches which, in a switching state, simultaneously connect an input connection to at least two output connections.
  • HF switches which, in a switching state, simultaneously connect an input connection to at least two output connections.
  • Such an RF switch can, for. B. form a power divider.
  • the operation of the at least one switching device ie in particular the setting of various switching states of the switching device, can be controlled by the control and evaluation device explained above.
  • the control and evaluation device can be connected to the at least one switching device in terms of data and / or signals.
  • activated states of different signal paths can advantageously be easily implemented and reliably produced.
  • the circuit arrangement comprises means for detecting several simultaneously transmitted uplink signals or means for detecting a further uplink signal if an uplink signal has already been detected and / or if an uplink path has already been activated.
  • Corresponding means are disclosed in DE 10 2017 219 690 A1, there in particular in claim 15 and paragraphs [0013] and [0029], with uplink signals being referred to as transmission signals of the terminal. If such a further uplink signal is detected, the uplink path assigned to this further uplink signal can be activated.
  • Simultaneously transmitted uplink signals can in particular signals that are transmitted via different but simultaneously activated signal paths, especially in different uplink frequency ranges.
  • uplink signals in different uplink frequency ranges can be detected without interrupting or negatively influencing active uplink and downlink paths.
  • the detection of changes in state is preferably carried out so quickly that data transmission losses due to the activation of signal paths due to the change in state are minimized.
  • an activated state of the uplink paths required for the transmission of all detected uplink signals is established or maintained. Furthermore, an activated state of downlink paths is established or maintained in such a way that FDD-based signal transmission is made possible in the activated uplink and downlink paths.
  • the downlink paths can be activated via which the downlink signals from the downlink frequency ranges can be transmitted which, with the uplink frequency ranges to which the detected uplink signals are assigned, a frequency range pair for FDD-based signal transmission form.
  • FDD-based signal transmission is made possible, which then takes place via this uplink signal and the corresponding downlink signal.
  • the circuit arrangement comprises a signal path for the transmission of signals in accordance with a time division duplex method (TDD).
  • TDD time division duplex method
  • the uplink and downlink signals are transmitted separately from one another in time, but preferably in the same frequency range.
  • the uplink and downlink signal paths can be timed Senses are activated and deactivated antiparallel.
  • the uplink signal path is deactivated when the corresponding downlink signal path is activated.
  • this downlink path which can be used in particular to transmit signals from the same frequency range, is deactivated.
  • the completely deactivated state of the downlink path can be established before the completely activated state of the uplink path or vice versa. In this way, signal falsifications and loop oscillations are advantageously avoided. The efficiency is also increased, since unused circuit parts can be switched off.
  • a time division duplex-based signal can be detected.
  • the time division duplex-based signal can in particular be an uplink signal.
  • An activated state of the uplink path and a deactivated state of the downlink path to which the detected time division duplex-based signal is assigned can also be established.
  • the completely deactivated state of the downlink path can be established in time before the completely activated state.
  • the transmission of uplink and downlink signals using a time division duplex method takes place in the same frequency range.
  • a deactivated state of the downlink path can be established, which is used to transmit signals from this frequency range.
  • an uplink signal path for TDD signal transmission can also form a section of a downlink signal path for TDD signal transmission. This at least one section can then be used alternately for downlink and uplink signal transmission. A corresponding switching can be effected by the control to appropriate means. It is thus possible that only one instead of several signal lines is used for downlink and uplink signal transmission.
  • an uplink signal transmission can be activated when a TDD uplink signal is detected.
  • an amplifier device for amplifying a TDD uplink signal can also form an amplifier device for a TDD downlink signal. A gain direction can be switched over to transmit the various signals.
  • the amplifier device can be activated in an uplink signal amplification mode when a TDD uplink signal is detected.
  • an activated state of at least one further downlink path which is different from this deactivated downlink path, can be established or this at least one further downlink path can remain activated.
  • an activated state of at least one further uplink path which is different from this activated uplink path, can be established or this at least one further uplink path can remain activated.
  • a method for operating a circuit arrangement for transmitting uplink and downlink signals between at least one terminal and at least one antenna is also proposed.
  • the circuit arrangement can be designed in accordance with one of the embodiments described in this disclosure.
  • the explained circuit arrangement can thus in particular be configured in such a way that such a method can be carried out with the circuit arrangement.
  • a simultaneously activated state of at least two downlink paths is established or maintained when an uplink signal is detected.
  • the two downlink paths can be activated simultaneously.
  • the activation that is to say the transition to the activated state, to take place sequentially.
  • a simultaneously activated state of at least two uplink paths is established or maintained when the uplink signal or when at least one further uplink signal is detected.
  • the activated state of a downlink path or an uplink path is established or maintained by activating an amplifier device. This has already been explained above.
  • the activated state of an uplink path or downlink path is established or maintained by switching / controlling a switching device, that is, by setting or maintaining a switching state assigned to the activated state.
  • the production can therefore take place in accordance with the embodiments explained above. The corresponding advantages have also been explained above.
  • Fig. 1 is a schematic block diagram of a circuit arrangement according to the invention
  • Fig. 2 is a schematic block diagram of a circuit arrangement according to the invention in a further embodiment
  • FIG. 3 is a schematic block diagram of a circuit arrangement according to the invention in a further embodiment
  • Fig. 4 is a schematic block diagram of the circuit arrangement shown in Fig. 3 in a further embodiment
  • FIG. 6 shows a schematic flow diagram of a method according to the invention in a further embodiment
  • 7 shows a schematic flow diagram of a method according to the invention in a further embodiment
  • Fig. 8 is a schematic representation of a transmission behavior of the Wegungsan order in the frequency range
  • Fig. 9 shows a further schematic representation of a transmission behavior of the circuit arrangement in the frequency range.
  • Fig. 1 shows a schematic block diagram of a circuit arrangement 1 for the transmission of uplink and downlink signals between at least one terminal 2 and at least one antenna 3.
  • Fig. 1 shows a schematic block diagram of a circuit arrangement 1 for the transmission of uplink and downlink signals between at least one terminal 2 and at least one antenna 3.
  • the Circuitry can transmit uplink and downlink signals between these terminals 2 and the antennas 3.
  • the circuit arrangement 1 comprises at least one interface 4 on the terminal device side, which enables a wireless or wired signal connection between the terminal device 2 and the circuit arrangement 1.
  • the circuit arrangement 1 further comprises at least one antenna-side interface 5 to which the at least one antenna 3 is technically connected.
  • circuit arrangement 1 has several uplink paths SP1, ...,
  • the circuit arrangement comprises several downlink paths EP1,..., EPn, a first downlink path EP1, a second downlink path EP2, a third downlink path EP3 and an n-th downlink path EPn being shown .
  • the uplink paths SP1,..., SPn shown can in particular be frequency range-specific uplink paths.
  • the illustrated downlink paths EP1, ..., EPn can in particular be downlink paths that are not specific to the frequency range.
  • a path can also be Designate a path section of a path, this path can comprise several path sections.
  • first uplink path SP1 signals from a frequency range from 832 MHz to 862 MHz (first uplink frequency range, FDD mobile radio band 20) and via the first downlink path EP1 signals from the frequency range 791 MHz to 821 MHz (first downlink Frequency range, FDD mobile radio band 20).
  • second uplink path SP2 signals from a frequency range from 880 MHz to 915 MHz (second uplink frequency range, FDD mobile radio band 8) and via the second downlink path EP2 signals from the frequency range 925 MHz to 960 MHz (second downlink -Frequency range, FDD mobile radio band 8) who are transmitted.
  • the third uplink path SP3 for example, signals from a frequency range from 2570 MHz to 2620 MHz (third uplink frequency range, TDD mobile radio band 38) and via the third downlink path EP3 signals from the frequency range 2570 MHz to 2620 MHz (third Downlink frequency range, TDD cellular band 38).
  • the further signal paths can be set up accordingly for the transmission of signals from further mobile radio bands (for example band 1, band 3, band 5, band 40 or others).
  • activatable uplink amplifier devices 6 are arranged in the uplink paths SP1, SPn.
  • an activatable downlink receiving amplifier device 7 is arranged in each of the downlink paths EP1, EPn.
  • the uplink amplifier device 6 can thus be used to amplify an uplink signal transmitted via the corresponding uplink path SP1,..., SPn, which is transmitted from the terminal-side interface 4 to the antenna-side interface 5.
  • a downlink signal which is transmitted from the antenna-side interface 5 of the circuit arrangement 1 to the terminal-side interface 4 can be amplified.
  • the amplifier devices 6, 7 are used to activate and deactivate the signal paths SP1, ..., SP5, EP1, ..., EP5 shown. Of course, it is also conceivable that activation and deactivation take place by other means. It is shown that the amplifier devices 6, 7 are each arranged in a frequency range-specific section of uplink paths SP1, SP2, ..., SPn or downlink paths EP1, ..., EPn, these frequency range-specific sections each being serve to transmit uplink or downlink signals from exactly one uplink or downlink frequency range.
  • a control and evaluation device 8 of the circuit arrangement 1 is also shown. This can be designed as a microcontroller. By means of the control and evaluation device 8, the activatable uplink and downlink amplifier devices 6, 7, in particular their operation, can be controlled. In particular, an uplink or receive amplifier device 6, 7 can be deactivated by means of the control and evaluation device.
  • a gain factor of the amplifier devices 6, 7 in the activated state can be predetermined or adjustable.
  • the circuit arrangement 1 contains multiplexers 9, 10 for providing uplink and downlink paths 9, 10, wherein a first multiplexer 9 can be referred to as an antenna-side multiplexer and a further multiplexer 10 as a terminal-side multiplexer.
  • the first multiplexer 9 can serve as a frequency divider.
  • the first multiplexer 9 can have several filter devices, in particular low-pass filter devices, several band-pass filter devices and high-pass filter devices as well as power dividers, switches, circulators or other elements, e.g. as a duplexer, diplexer, triplexer, etc.
  • formed elements include, by means of these elements, the downlink signals to be transmitted via the downlink paths EP1, ..., EPn can be filtered out of an antenna signal present at the antenna-side interface 5.
  • This antenna signal can e.g. sent out by a base station and received by one or both antennas 3.
  • the first multiplexer 9 can also serve as a signal merger.
  • the uplink signals transmitted via the uplink paths SP1,..., SPn can be combined to form at least one resulting signal, which is then sent to the antenna side Interface (s) 5 is transmitted.
  • This resulting signal can then be transmitted from an antenna 3, for example to the base station explained.
  • the further multiplexer 10 can serve as a frequency divider.
  • the further multiplexer 10 can also have several filter devices, in particular low-pass filter devices, several band-pass filter devices and high-pass filter devices such as power dividers, switches, circulators or other elements, e.g. elements designed as duplexers, diplexers, triplexers, etc., which elements can be used to filter out the uplink signals to be transmitted via the uplink paths SP1, ..., SPn from at least one terminal signal present at the terminal interface 4 .
  • This terminal signal can e.g. sent out by the terminal 2 and transmitted by the terminal-side interface 4.
  • the further multiplexer 10 can also serve as a signal merger.
  • the downlink signals transmitted via the downlink paths EP1,..., EPn can be combined to form at least one resulting signal, which can then be transmitted to the interface 4 on the terminal device side. This resulting signal can then be transmitted from the terminal-side interface 4 to the terminal 2.
  • the circuit arrangement comprises a signal decoupling device 11 and a device 12 for uplink signal detection, which is connected in terms of signal technology to the signal decoupling device 11.
  • the device 12 for uplink signal detection is connected to the control and evaluation device 8.
  • the device 12 for uplink signal detection is signal-technically coupled via the signal decoupling device 11, which can be designed as a directional coupler or power splitter, for example, with a connection signal path 13, the connection signal path 13 connecting the terminal device-side interface 4 to the further multiplexer 10, in particular its off output connection, connects.
  • connection signal path 13 can in this case form a section of a downlink signal path or an uplink signal path, wherein this section can be designed as a frequency range-unspecific, that is to say broadband, signal path section.
  • the device 12 for uplink signal detection can be used to detect whether one or more uplink signal (s) is / are present on the connection signal path 13 and thus also on the interface 4 on the terminal device side.
  • the embodiment shown in Fig. 1 for the detection / identification of an uplink signal is only an example. Even- Understandably, alternative or additional means / devices and circuit technical arrangements within the proposed circuit arrangement can be used for detection / identification.
  • This uplink signal can in particular be a signal generated by the terminal 2 and received by the interface 4 on the terminal.
  • the uplink signal in particular the uplink frequency range and / or the transmission standard of the uplink signal, can be identified by means of the device 12 for transmitting activity detection.
  • the uplink amplifier device 6 is activated in the first uplink path SP1, in particular by means of the control and evaluation device 8, or the activation is maintained.
  • an activated state of the first uplink path SP1 is established or maintained, that is to say not deactivated.
  • the downlink amplifier device 7 in the first downlink path EP1 and at least one, several, but not all or all of the downlink amplifier devices 7 of the downlink paths EP2, EP3, EPn shown further can be activated or remain activated.
  • control and evaluation device 8 it is possible, by means of the control and evaluation device 8, to activate or deactivate the downlink amplifier devices 7 as a function of a previously known assignment between different uplink signals and downlink paths EP1, ..., to be activated assigned to these different uplink signals. EPn takes place, the control and evaluation device 8 then activating both the corresponding uplink amplifier device 6 and the downlink amplifier devices 7 assigned to this uplink signal when an uplink signal is detected.
  • the assignment can e.g. be stored in a memory device, not shown, of the circuit arrangement 1, in particular the control and evaluation device 8.
  • the device 12 for uplink signal detection can be used to detect if a further uplink signal is present on the connection signal path 13 at the same time as at least one uplink signal that has already been detected. If such a further uplink signal is detected and identified, then, in particular by means of the control and evaluation device 8, the uplink amplifier device 6 in the uplink path SP1, ...,
  • SP5 of the uplink path SP1,..., SPn assigned to this further uplink signal are activated or remain activated.
  • the device 12 for uplink signal detection shown in FIG. 1 can thus also be designed as a device for the simultaneous detection of a plurality of uplink signals.
  • circuit arrangement 1 can also include one or more further devices (not shown) for uplink signal detection.
  • Fig. 2 shows a schematic block diagram of a circuit arrangement 1 for the transmission of uplink and downlink signals between at least one terminal 2 and at least one antenna 3 in a further embodiment.
  • FIG. 2 only one terminal device and one antenna 3 are shown, the circuit arrangement being able to transmit uplink and downlink signals between this terminal device 2 and the antenna 3.
  • the circuit arrangement 1 shown in FIG. 2 is designed essentially like the circuit arrangement 1 shown in FIG. 1. Therefore, reference is made to the corresponding explanations for FIG. 1.
  • the antenna 3 is here part of the circuit arrangement 1, i. the circuit arrangement 1 comprises the antenna 3.
  • circuit arrangement comprises five uplink signal paths SP1, ..., SP5 and five downlink signal paths EP1, ..., EP5.
  • the signal decoupling device 11 can be arranged at different positions within the circuit arrangement. It is e.g. possible that the signal coupling device 11 is arranged and / or designed in such a way that a signal is decoupled from a further connection signal path 13a, the further connection signal path 13a connecting the antenna-side interface 5 to the first multiplexer 9. It is also possible that several signal coupling devices 11 are arranged and / or designed in such a way that signals are decoupled from the sections of the uplink signal paths SP1, ..., SP5 which connect the further multiplexer 10 to the uplink amplifier devices 6 .
  • the first multiplexer 9 is designed as a filter multiplexer which comprises several filter devices 14a, only one filter device 14a being provided with a reference symbol for the sake of clarity.
  • a filter device 14a can e.g. be designed as low-pass, band-pass or high-pass filter devices.
  • the further multiplexer 10 is also designed as a filter multiplexer which comprises several filter devices 14b, only one filter device 14b being provided with a reference number for the sake of clarity.
  • a filter device 14b can e.g. be designed as low-pass, band-pass or high-pass filter devices.
  • the multiplexers 9, 10 are designed to provide the uplink and downlink signals that are transmitted via the corresponding paths SP1, ..., SP5, EP1, ...,
  • EP5 are transmitted or to summarize these signals.
  • FIG. 3 shows a schematic block diagram of a circuit arrangement 1 for the transmission of uplink and downlink signals between at least one terminal 2 and at least one antenna 3 in a further embodiment.
  • the circuit arrangement 1 shown in FIG. 3 is essentially designed like the circuit arrangement 1 shown in FIG. 2. Reference is therefore made to the corresponding explanations relating to FIG. 2.
  • the antenna 3 is not part of the circuit arrangement 1.
  • signal connections between the control and evaluation device 8 and the amplifier devices 6, 7 are shown by dotted lines Serve transmission of control signals.
  • the circuit arrangement comprises a further uplink filter device 14c, which is also arranged in the first and second uplink paths SP1, SP2 and is used to provide the first and second uplink signals.
  • the further up- link filter device 14c is part of the further multiplexer which, in the embodiment shown in FIG. 3, comprises filter devices 14b and further uplink filter device 14c.
  • the further uplink filter device 14c can, for example, comprise band pass filter devices.
  • the uplink amplifier devices 6 of the first and second uplink path SP1, SP2 are arranged in a frequency range-specific section of the first and second uplink path SP1, SP2, which is arranged between the first multiplexer and the further multiplexer and is used to transmit uplink Signals from exactly one uplink frequency range is used.
  • the circuit arrangement comprises a further downlink filter device 14d, which is arranged in a combined downlink path EP4_5 and is used to provide the fourth and fifth downlink signals.
  • the further downlink filter device 14d is part of the first multiplexer, which in the embodiment shown in FIG. 3 comprises the filter devices 14a and the further downlink filter device 14d.
  • Both the fourth and the fifth downlink signal can therefore be transmitted via the combined downlink path EP4_5.
  • the filter devices 14a can be designed in such a way that they provide a signal which includes the frequency ranges of the fourth and fifth downlink frequency ranges but also other frequency ranges, in particular a frequency range between these frequency ranges.
  • the further downlink filter device 14d can be arranged and / or designed in such a way that signals from the fourth and fifth downlink frequency ranges are filtered out from this signal.
  • the further downlink filter device 14d is arranged in a signal path section between the filter devices 14a of the first multiplexer and the filter devices 14b of the further multiplexer, in particular between the filter devices 14a of the first multiplexer and a downlink amplifier 7, which is used to amplify the fourth and fifth downlink Signal is used.
  • a downlink amplifier 7 which is used to amplify the fourth and fifth downlink Signal is used.
  • the circuit arrangement comprises a driver amplifier 6a which is arranged in a frequency range-specific section of the first and second uplink path SP1, SP2, this frequency range-specific section serving to transmit uplink signals from several, namely two, uplink frequency ranges .
  • the driver amplifier 6a is arranged in a signal path section between filter devices 14b and the further uplink filter devices 14c of the further multiplexer.
  • the driver amplifier 6a is not necessarily part of the further multiplexer.
  • control and evaluation device 8 shown in FIG. 3 it is possible for the control and evaluation device 8 shown in FIG. 3 to be designed as a CPLD. Alternatively, FPGAs, ASICS or other control units could also be used. It is shown schematically that an operation of the uplink and downlink amplifier devices 6, 7 can be controlled by means of the control and evaluation device 8.
  • FIG. 4 shows a schematic block diagram of a circuit arrangement 1 for the transmission of uplink and downlink signals between at least one terminal 2 and at least one antenna 3 in a further embodiment.
  • the circuit arrangement 1 shown in Fig. 4 is here partially formed like the circuit arrangement 1 shown in FIG. Therefore, reference is made to the corresponding explanations for FIG.
  • the antenna 3 is not part of the circuit arrangement 1.
  • the first multiplexer comprises a first (antenna-side) filter means 28a, a first (antenna-side) switching device 15 and antenna-side duplexers 21, downlink filter devices 14d and an uplink / downlink filter device 14e as well as a first switching element 22.
  • an antenna-side signal connection of the first filter means 28a is connected to the antenna-side interface 5.
  • signal connections of the first filter means 28a on the terminal side are connected to signal connections of the first switching device 15 on the antenna side.
  • the duplexer 21, the downlink filter devices 14d, the first switching element 22 and the uplink / downlink filter device 14e are connected to signal connections on the antenna side of the first switching device 15 on the antenna side.
  • the duplexer 21, the downlink filter device 14d, the first switching element 22 and the uplink / downlink filter device 14e are at the terminal device-side output connections frequency-specific sections of uplink signal paths SP1, ..., SP4 and downlink paths EP1, ... EP4, EP5 and a bypass signal path BP connected, which are used to transmit signals from exactly one uplink or downlink frequency range or signals serve from several uplink or downlink frequency ranges.
  • the further multiplexer has a further (terminal-side) filter means 28b, a further (terminal-side) switching device 27 and terminal-side duplexer 26, further downlink filter devices 14d and a further uplink / downlink filter device 14e and a further switching element 23 as well comprises a power splitter 18.
  • a terminal-side signal connection of the further filter means 28b is connected to the terminal-side interface 4.
  • signal connections on the antenna side of the further filter means 28b are connected to signal connections on the terminal side of the further switching device 27.
  • the terminal-side signal connections of the duplexer 26, the power splitter 18, the further switching element 23 and the further downlink filter devices 14d, as well as the further uplink / downlink filter device 14e are connected to the antenna-side signal connections of the further switching device 27.
  • the frequency-specific sections of the uplink signal paths SP1, ..., SP4 and downlink are located on the antenna-side output connections of the duplexer 26, the power splitter 18, the further switching element 23, the further downlink filter devices 14d and the further uplink / downlink filter device 14e Paths EP1, ... EP4, EP5 as well as the bypass signal path BP connected.
  • the first filter means 28a and the further filter means 28b can include low-pass filter devices, band-pass filter devices and / or high-pass filter devices.
  • the downlink and uplink / downlink filter devices 14d, 14e and the duplexers 21, 26 can in particular include bandpass filter devices which are used in particular to provide a signal with a frequency from at least exactly one uplink or downlink frequency range.
  • These filter devices 14d, 14e can in particular be designed in accordance with the downlink filter device 14d shown in FIG. 3.
  • one or more antenna-side signal connections can each be connected to a terminal-side signal connection of the switching device 15, 27 are connected.
  • Switching states can in particular be set by the control and evaluation device 8.
  • frequency-specific uplink signal path sections SP1, SP2, SP3, SP4 connect an antenna-side connection of the further switching device 27 with a terminal-side connection of the first switching device 15, an uplink amplifier device 6 and duplexer 21 being arranged in each of these signal path sections.
  • Frequency-specific downlink signal path sections EP1, EP2, EP3, EP4 also connect a terminal-side connection of the first switching device 15 to an antenna-side connection of the further switching device 27, a downlink amplifier device 7 and duplexer 21 being arranged in each of these signal path sections.
  • the circuit arrangement 1, in particular the further multiplexer 10, comprises a power splitter 18 which is arranged both in a section of the first uplink signal path SP1 and in a section of the downlink signal path EP1.
  • a power splitter 18 which is arranged both in a section of the first uplink signal path SP1 and in a section of the downlink signal path EP1.
  • Duplexers 26 are arranged in each case EP2, ... SP4, EP4.
  • the circuit arrangement comprises a TDD signal path section SPTDD1 for the transmission of TDD signals.
  • An uplink amplifier device 6 is arranged in this signal path section.
  • An uplink filter device 14e is also arranged in this TDD signal path section.
  • This TDD signal path section connects a connection on the antenna side of the further switching device 27 to a connection on the terminal side of the first switching device 15.
  • the circuit arrangement 1 comprises an isolating switching element 19, this isolating switching element 19 being arranged in a frequency-specific section of the third uplink signal path SP3.
  • a switching state of this Trennschaltele element 19 can be set by the control and evaluation device 8.
  • the third uplink signal path SP3 can be activated or deactivated by changing the switching state.
  • the circuit arrangement 1 comprises a damping device 20, this damping device 20 being arranged in a frequency-specific section of the fourth uplink signal path SP4.
  • this damping device 20 By adjusting the damping factor, an activated or a deactivated state of the fourth uplink signal path can be established.
  • the circuit arrangement 1 comprises a first switchover element 22.
  • a first antenna-side signal connection of the first switchover element 22 is connected to a terminal-side signal connection of a duplexer 21, which is arranged in the fourth uplink signal path SP4 and fourth downlink signal path EP4.
  • a second signal connection on the antenna side of the switching element 22 is connected to a signal connection on the terminal side of the first switching device 15.
  • the only terminal-side signal connection of the switchover element 22 is connected to an antenna-side connection of a downlink filter device 14d which is arranged in the fourth downlink signal path EP4.
  • the circuit arrangement 1 comprises a further switchover element 23.
  • a first terminal-side signal connection of the further switching element 23 is connected to an antenna-side signal connection of a duplexer 26, which is arranged in the fourth uplink signal path SP4 and fourth downlink signal path EP4.
  • a second signal connection on the terminal device side of the further switching element 22 is connected to a signal connection on the antenna side of the further switching device 27.
  • the only antenna-side signal connection of the further switchover element 23 is connected to a terminal-side connection of a downlink filter device 14d, which is arranged in the fourth downlink signal path EP4.
  • downlink signals that are not filtered by the duplexers 21, 26 can also be transmitted via a signal line, which can be part of the fourth downlink signal path EP4.
  • a signal line which can be part of the fourth downlink signal path EP4.
  • Uplink and / or downlink signals can be transmitted via the bypass signal path BP without these being amplified via an amplifier device.
  • the bypass Signal path BP can be activated or deactivated via the control of the switching devices 15 and / or 27.
  • FIG. 5 shows a schematic flow diagram of a method according to the invention.
  • a first step S1 it is checked whether at least one uplink signal is present. If this is not the case, the method returns to the first step S1. If an uplink signal is detected and identified, in a second step S2 an activated state of the uplink path SP1, ..., SP5 assigned to the identified uplink signal (see FIG. 1) and a simultaneously activated state of at least two downlink paths EP1, ..., EP5 (see, for example, FIG. 1) established.
  • FIG. 6 shows a schematic flow diagram of a method according to the invention in a further embodiment.
  • the first step S1 corresponds to the first step S1 shown in the embodiment according to FIG.
  • a second step S2 of the method shown in FIG. 6 in contrast to the embodiment shown in FIG. 5, a simultaneously activated state of at least two uplink paths SP1,..., SP5 is also established when the uplink signal is detected becomes.
  • FIG. 7 shows a schematic flow diagram of a method according to the invention in a further embodiment.
  • the first two steps S1, S2 correspond to the steps S1, S2 illustrated in FIG. 5.
  • Fig. 8 shows a schematic representation of a transmission behavior of a circuit arrangement 1 according to the invention in the frequency range.
  • a frequency f is shown on the abscissa and the magnitude of the transfer function for the transmission direction TX from the terminal 2 to the antenna 3 or for the receiving direction RX from the antenna 3 to the terminal 2 on the ordinate.
  • reception bands RX1, RX2, RX3, RX4, RX5 are also shown, the simultaneously activated state of the downlink signal paths EP1, .. EP5 are transmitted (see, for example, FIG. 1).
  • a transmission band TX1 is also shown, the simultaneously activated state of the downlink signal paths EP1, ...
  • EP5 being established or maintained when an uplink signal with a frequency from this transmission band TX1 is detected.
  • all downlink signal paths EP2,..., EP5 except for the first downlink signal path EP1 were deactivated when this uplink signal was detected.
  • the transmission band TX1 and a first reception band RX1 can form a standard-specific FDD frequency range pair.
  • FIG. 9 shows a further schematic illustration of a transmission behavior of the circuit arrangement in the frequency range.
  • a frequency f is shown on the abscissa and the amount of the transmission func on for the transmission direction TX from the terminal 2 to the antenna 3 or for the receiving direction RX from the antenna 3 to the terminal 2 on the ordinate. Also shown are four reception bands RX2, RX3, RX4, RX5, the downlink signals with frequencies from these reception bands RX2, RX3, RX4, RX5 being transmitted via mutually different, simultaneously activated downlink signal paths EP2, ... EP5 (see e.g. Fig. 1).
  • transmission bands TX2, TX4 are also shown.
  • TX2, TX4 are also shown.
  • the circuit arrangement also includes a first, a third and a fifth uplink signal path SP1, SP3, SP5, which, however, are not in the activated state.
  • the state shown is set when an uplink signal with a frequency from the first transmission band TX1 is detected or when an uplink signal with a frequency from the second transmission band TX2 is detected or when an uplink signal with a frequency from the first is detected at the same time Transmission band TX1 and an uplink signal with a frequency from the second transmission band TX2 are detected.
  • all downlink signal paths EP1, ..., EP5 except for the downlink signal path EP2 or EP4 were deactivated, via which the downlink signal corresponding to the detected uplink signal is transmitted to form an FDD frequency range.
  • the second transmission band TX2 and a second reception band RX2 or a fourth transmission band TX4 and a fourth reception band RX4 could each form a standard-specific FDD frequency range pair. Furthermore, according to the state of the art, it was not possible to activate both transmission bands TX2 and TX4.
  • the state shown is set when a terminal 2 uplink signals sends an uplink signal with a frequency from the second transmission band TX2 and an uplink signal with a frequency from the fourth transmission band TX4.
  • the state can also be set when a terminal 2 uplink signals sends an uplink signal with a frequency from the second transmission band TX2 and another terminal 2 sends an uplink signal with a frequency from the fourth transmission band TX4.

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Power Engineering (AREA)
  • Mobile Radio Communication Systems (AREA)

Abstract

L'invention concerne un ensemble circuit et un procédé de fonctionnement d'un ensemble circuit servant à la transmission de signaux montants et descendants entre un terminal (2) et une antenne (3), l'ensemble circuit (1) comprenant au moins une première voie montante (SP1, …, SP5, SPn) servant à la transmission d'un premier signal montant ainsi qu'une première voie descendante (EP1) servant à la transmission d'un premier signal descendant, l'ensemble circuit (1) comprenant des moyens de mise à disposition des signaux montants et des signaux descendants et des moyens de détection d'au moins un signal montant, l'ensemble circuit (1) comprenant des moyens de production d'un état activé de la voie montante (SP1, …, SP5, SPn) à laquelle le signal montant détecté est associé, l'ensemble circuit (1) comprenant au moins une autre voie descendante (EP2, …, EP5, EPn) servant à la transmission d'un autre signal descendant et des moyens de production d'un état simultanément activé d'au moins deux voies descendantes (EP1, …, EP5, EPn), la production ou le maintien dudit état activé étant réalisé(e) lorsqu'au moins un signal montant est détecté et/ou l'ensemble circuit (1) comprenant au moins une autre voie montante (SP1, …, SP5, SPn) servant à la transmission d'un autre signal montant ainsi que des moyens de production d'un état simultanément activé d'au moins deux voies montantes (SP1, …, SP5, SPn), la production ou le maintien d'un état activé d'au moins deux voies montantes (SP1, …, SP5, SPn) étant réalisé(e) lorsqu'un signal montant ou lorsqu'au moins deux signaux montants est/sont détecté(s).
EP20733734.6A 2019-06-19 2020-06-16 Ensemble circuit servant à la transmission de signaux radio et procédé de fonctionnement d'un ensemble circuit Withdrawn EP3987666A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102019208987.9A DE102019208987A1 (de) 2019-06-19 2019-06-19 Schaltungsanordnung zur Übertragung von Funksignalen und Verfahren zum Betrieb einer Schaltungsanordnung
PCT/EP2020/066607 WO2020254311A1 (fr) 2019-06-19 2020-06-16 Ensemble circuit servant à la transmission de signaux radio et procédé de fonctionnement d'un ensemble circuit

Publications (1)

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EP3987666A1 true EP3987666A1 (fr) 2022-04-27

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US (1) US20220263526A1 (fr)
EP (1) EP3987666A1 (fr)
CN (1) CN114097177B (fr)
DE (1) DE102019208987A1 (fr)
WO (1) WO2020254311A1 (fr)

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WO2020254311A1 (fr) 2020-12-24
US20220263526A1 (en) 2022-08-18
CN114097177B (zh) 2023-07-04
DE102019208987A1 (de) 2020-12-24
CN114097177A (zh) 2022-02-25

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