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WO2017167532A1 - Dispositif de formation de faisceau pour former différents faisceaux pour un signal de commande et de données - Google Patents

Dispositif de formation de faisceau pour former différents faisceaux pour un signal de commande et de données Download PDF

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Publication number
WO2017167532A1
WO2017167532A1 PCT/EP2017/054789 EP2017054789W WO2017167532A1 WO 2017167532 A1 WO2017167532 A1 WO 2017167532A1 EP 2017054789 W EP2017054789 W EP 2017054789W WO 2017167532 A1 WO2017167532 A1 WO 2017167532A1
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WIPO (PCT)
Prior art keywords
frequency
data signal
transmission
control signal
directional
Prior art date
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Application number
PCT/EP2017/054789
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English (en)
Inventor
Ingolf Karls
Michael Faerber
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Intel IP Corp
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Intel IP Corp
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Publication of WO2017167532A1 publication Critical patent/WO2017167532A1/fr
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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
    • H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
    • H04B7/06—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station
    • H04B7/0613—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission
    • H04B7/0615—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission of weighted versions of same signal
    • H04B7/0617—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission of weighted versions of same signal for beam forming
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/04—Wireless resource allocation
    • H04W72/044—Wireless resource allocation based on the type of the allocated resource
    • H04W72/0453—Resources in frequency domain, e.g. a carrier in FDMA
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/04—Wireless resource allocation
    • H04W72/044—Wireless resource allocation based on the type of the allocated resource
    • H04W72/046—Wireless resource allocation based on the type of the allocated resource the resource being in the space domain, e.g. beams
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W16/00—Network planning, e.g. coverage or traffic planning tools; Network deployment, e.g. resource partitioning or cells structures
    • H04W16/24—Cell structures
    • H04W16/28—Cell structures using beam steering

Definitions

  • the disclosure relates to a beamforming device for forming beams of different frequency and beam width for a control signal and a data signal and to a method for
  • next generation communication systems such as 5G
  • millimeter wave technology for wireless radio access networks (RAN) as well as for wireless backhaul and front haul .
  • RAN radio access networks
  • millimeter wave bands have more difficult propagation conditions than decimeter/ centimeter wave bands, mainly caused by an increased path loss plus higher penetration and foliage loss, increased rain
  • millimeter wave technology allows smaller size high directional high gain directional antennas that will be used to compensate the additional losses and to establish a communication channel in a specific direction. For maximizing range and link throughput, these directional antennas are needed at both sides, i.e.
  • FIG. 1 is a schematic diagram illustrating a
  • Fig. 2 is a block diagram illustrating a beamforming device 200 according to a first implementation.
  • Fig. 3 is a block diagram illustrating a beamforming device 300 according to a second implementation.
  • Fig. 4 is a block diagram illustrating a beamforming device 400 according to a third implementation.
  • Fig. 5 is a block diagram illustrating a beamforming device 500 according to a fourth implementation.
  • Fig. 6 is a block diagram illustrating a beamforming device 600 according to a fifth implementation.
  • Fig. 7 is a block diagram illustrating a beamforming device 700 according to a sixth implementation.
  • FIG. 8 schematically illustrates an exemplary method 800 for beamforming according to an implementation.
  • 3GPP 3rd Generation Partnership Project
  • LTE-A LTE Advanced, Release 10 and higher versions of
  • mmW Millimeter Wave
  • UE User Equipment
  • eNodeB base station
  • MIMO Multiple Input Multiple Output
  • CSI Channel State Information
  • the methods and devices described herein may be based on beamformers and beamforming circuits in network nodes such as eNBs, base stations, relay stations, access points (AP) and mobile stations. It is understood that comments made in connection with a described method may also hold true for a corresponding device configured to perform the method and vice versa. For example, if a specific method step is described, a corresponding device may include a unit to perform the described method step, even if such a unit is not explicitly described or illustrated in the figures. Further, it is understood that the features of the various exemplary aspects described herein may be combined with each other, unless specifically noted otherwise.
  • the methods and devices described herein may be implemented in wireless communication networks, in particular communication networks based on mobile communication
  • the methods and devices described below may be implemented in network nodes and base stations.
  • the described devices may include integrated circuits and/or passives and may be manufactured according to various technologies.
  • the circuits may be designed as logic integrated circuits, analog
  • integrated circuits mixed signal integrated circuits, optical circuits, memory circuits and/or integrated passives.
  • Radio signals may be or may include radio frequency signals
  • a radio transmitting device or radio transmitter or sender
  • a radio frequency lying in a range of about 3 Hz to 300 GHz.
  • the frequency range may correspond to
  • frequencies of alternating current electrical signals used to produce and detect radio waves are frequencies of alternating current electrical signals used to produce and detect radio waves.
  • the methods and devices described herein may be configured to transmit and/or receive millimeter wave (mmW) signals.
  • Millimeter waves are radio waves in the
  • Radio frequencies in this band have wavelengths from about ten to one millimeter, giving it the name millimeter band or millimeter wave.
  • LTE Long Term Evolution
  • LTE-Advanced LTE-Advanced
  • LTE- Advanced Pro the next generation standard are mentioned as representatives for wireless communication of high-speed data for mobile phones and data terminals.
  • OFDM orthogonal frequency-division multiplexing
  • SC single carrier
  • OFDM is a scheme for encoding digital data on multiple carrier frequencies. A large number of closely spaced OFDM symbols.
  • orthogonal sub-carrier signals may be used to carry data. Due to the orthogonality of the sub-carriers crosstalk between sub-carriers may be suppressed.
  • MIMO wireless communication systems employ multiple antennas, e.g. antenna arrays at the
  • MIMO systems may reach higher peak data rates without increasing the bandwidth of the system by transmitting multiple data streams in parallel using the same frequency resources.
  • a diversity receiver uses two or more antennas to improve the quality and reliability of a wireless link .
  • Beamforming or spatial filtering is a signal processing technique used in antenna arrays for directional signal transmission or reception. This is achieved by combining elements in a phased array in such a way that signals at particular angles experience constructive interference while others experience destructive interference. Beamforming can be used at both the transmitting and receiving ends in order to achieve spatial selectivity. The improvement compared with omnidirectional reception/transmission is known as the directivity of the element.
  • a beamformer controls the phase and relative amplitude of the signal at each transmitter, in order to create a pattern of constructive and destructive interference in the wavefront.
  • mmW access point AP
  • BPs baseband processors
  • CPU Central Processing Unit
  • BP Baseband Processor
  • the baseband processor is typically located on the same circuit board as the CPU, but consists of a separate radio electronics component. It can therefore have a
  • Some baseband radio processor models can handle many channels at once, usually while processing all receive and transmit demands.
  • the BP can also search for mobile signals and track them, as well as select antennas automatically.
  • a baseband processor is contained in a common
  • the baseband processor or baseband circuit can be any baseband processor or baseband circuit.
  • control plane and data plane processing For mobile signal processing the BP can use a control plane and data plane split, where for example an omnidirectional control channel on LTE is used to maintain good coverage and
  • Fig. 1 is a schematic diagram illustrating a
  • the beamforming system 100 includes a beamforming device implemented in an access point (AP) 108, e.g. a base station, and a plurality of mobile devices, also denoted as mobile stations or user equipments 101, 102, 103, 104, 105.
  • AP access point
  • the beamforming device includes a baseband circuit
  • the baseband circuit provides a control signal in a control plane and a data signal in a data plane.
  • the transceiver converts the control signal to a first frequency fl, 114 of a first radio carrier and forms a first transmission beam 110 having a first beam width 112 based on the converted control signal 310.
  • the transceiver further converts the data signal to a second frequency f2, 115 of a second radio carrier and forms a second transmission beam 111 having a second beam width 113 based on the converted data signal.
  • the first frequency fl, 114 is lower, in particular significantly lower, than the second frequency f2, 115 and the first beam width 112 is broader, in particular significantly broader, than the second beam width 113.
  • the transceiver may form the first transmission beam 110 as a non-directional beam or an omni-directional beam and the second transmission beam 111 as a directional beam.
  • a range of both beams 110, 111 may depend on their beam frequencies 114, 115 or wavelengths and their beam widths 112, 113 or beam angles.
  • a higher frequency reduces the range of the beams due to material attenuation for high frequencies while a lower frequency increases their range.
  • a broad beam width also reduces the range of the beams due to energy radiation over a larger space while a small beam width increases their range due to focused energy radiation.
  • the transceiver may adjust a range of the first beam 110 by controlling the frequency fl, 114 and beam width 112 of the first beam 110 and the transceiver may further adjust a range of the second beam 111 by controlling the frequency f2, 115 and beam width 113 of the second beam 111.
  • the transceiver may adjust the first frequency fl, 114, the second frequency f2, 115, the first beam width 112 and the second beam width 113 in order to form the first transmission beam 110 and the second transmission beam 111 having approximately a same range. Then, all UEs 101, 102,
  • the 103, 104, 105 may be covered by the first beam 110 and hence controlled by the control signal and the second beam 111 may be directed to a respective one of the UEs 101, 102, 103,
  • a ratio between the first frequency fl, 114 and the second frequency f2, 115 may be tuned according to an inherent transceiver link reliability.
  • the link reliability may be determined by using CSI (channel state information) , i.e. a measure indicating a quality of the radio link or radio channel.
  • the first radio carrier and the second radio carrier may be millimeter wave carriers. That is, both the control signal and the data signal may be transmitted by using a millimeter wave carrier.
  • the first radio carrier may be a centimeter wave carrier and the second radio carrier a millimeter wave carrier. I.e. the control signal may be transmitted by using a decimeter/ centimeter wave carrier and the data signal may be transmitted by using a millimeter wave carrier.
  • the control signal may be a downlink control signal for transmission to a user device 101, 102, 103, 104, 105.
  • the data signal may be a downlink data signal for
  • the control signal may be an uplink control signal for
  • the data signal may be an uplink data signal for transmission to the access point.
  • Fig. 2 is a block diagram illustrating a beamforming device 200 according to a first implementation.
  • the beamforming device 200 includes a baseband circuit (BB) including a control plane 210 or control section for generating a control signal and a data plane 211 or data section for generating a data signal.
  • the beamforming device 200 further includes a transceiver that may operate at a first frequency fl, e.g. a first millimeter wave 220 and at a second frequency f2, e.g. a second millimeter wave 221.
  • the transceiver converts the control signal to the first
  • the transceiver further converts the data signal to a second frequency f2 of a second radio carrier, e.g. a second mm wave carrier and forms a second transmission beam, e.g. a second transmission beam 111 as described above with respect to Fig. 1, having a second beam width 113 based on the converted data signal.
  • the first frequency fl, 114 is lower, in particular significant lower, than the second frequency f2, 115 and the first beam width 112 is broader, in particular significant broader, than the second beam width 113.
  • the first transmission beam is coupled to a first antenna or antenna array 230, e.g. an omnidirectional or non- directional antenna or antenna array.
  • the second transmission beam is coupled to a second antenna or antenna array 231, e.g. a directional antenna or antenna array.
  • the device is based upon the usage of at least two millimeter wave carriers (mml, mm2), whereas one carrier
  • mm2 uses directional high gain antennas 231 with
  • the control channel millimeter wave carrier uses an omnidirectional (or non- directional) antenna configuration 230 for the control channel.
  • the transceiver is comprised of at least one transmitter and one receiver, where both can support at least two different millimeter wave carriers (mml, mm2) .
  • the control channel on the lower frequency carrier is comprised of at least one transmitter and one receiver, where both can support at least two different millimeter wave carriers (mml, mm2) .
  • mml is transmitted and received via an omnidirectional antenna 230 and the data channel on the second carrier (mm2) is transmitted and received via a directional antenna 231.
  • the beamforming device 200 avoids the drawbacks as illustrated in the introduction by using at least two
  • millimeter wave carriers at access point (AP) and user equipment (UE)
  • AP access point
  • UE user equipment
  • mm2 uses directional high gain antennas 231 or antenna arrays with beamforming and tracking for the data channel
  • the other carrier (mml) uses an omnidirectional (or non-directional) antenna
  • a non-directional antenna or antenna array may produce a beam that is not directed to a specific direction, instead the beam is radiated over a specific space section, e.g. spanning an angle of for example 90, 100, 110, 120, 130, 140, 150, 160, 170, 180, 190, 200, 210, 220, 230, 240, 250, 260, 270, 280, 290, 300, 310, 320, 330, 340, 350 degrees up to the full space of 360 degrees.
  • This specific case of radiation over the full space of 360 degrees is also referred to as an omnidirectional antenna or antenna array.
  • a directional antenna or antenna array may produce a beam that is directed to a specific direction, e.g. a pencil beam spanning an angle of for example 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 14, 15 degrees .
  • the control channel millimeter wave carrier frequency fl and bandwidth is considerably lower than the data channel frequency f2.
  • the control channel allows transmitting system control information in various directions. This allows receivers with omnidirectional antenna and multiple receiver paths to collect energy arriving from different paths.
  • the procedure resembles the characteristics of a mobile radio channel in decimeter/ centimeter wave bands.
  • the lower carrier frequency fl allows larger coverage for the control plane 210 than the one f2 of the data plane 211 supporting, broad- and multi- cast of control signals, handover and channel access. It may be chosen in such a way, that the transmission range allows either to cover the transmission range of the directional data plane 211 in case of stand-alone small cell or to cover the full cell including a slight overlap in neighborhood cells in case of overlapping small cells.
  • the high data throughput channel is provisioned by the directional antenna system 231.
  • Fig. 3 is a block diagram illustrating a beamforming device 300 according to a second implementation.
  • the beamforming device 300 includes a baseband circuit 301 and a transceiver circuit 302.
  • the baseband circuit 301 is
  • the transceiver circuit 302 is configured to convert the control signal 310 to a first frequency fl of a first radio carrier 314 and to form a first transmission beam 110, e.g. according to the description of Fig. 1, having a first beam width 112 based on the converted control signal 310.
  • the transceiver circuit 302 is further configured to convert the data signal 311 to a second frequency f2 of a second radio carrier 315, and to form a second transmission beam 111, e.g. according to the description of Fig. 1, having a second beam width 113 based on the converted data signal 311.
  • the first frequency fl is lower than the second frequency f2 and the first beam width 112 is broader than the second beam width 113.
  • the transceiver circuit 302 may form the first
  • the transceiver circuit 302 may adjust the first frequency fl, the second frequency f2, the first beam width 112 and the second beam width 113 in order to form the first transmission beam 110 and the second transmission beam 111 having approximately a same range, e.g.
  • the first radio carrier 314 and the second radio carrier (315) are millimeter wave carriers.
  • the first radio carrier 314 may be a decimeter/ centimeter wave carrier and the second radio carrier 315 a millimeter wave carrier.
  • the control signal 310 may be a downlink control signal for transmission to a user device.
  • the data signal 311 may be a downlink data signal for transmission to the user device.
  • the control signal 310 may be an uplink control signal for transmission to an access point.
  • the data signal 311 may be an uplink data signal for transmission to the access point.
  • the beamforming device 300 may have a single
  • transceiver 302 may transmit and receive a plurality of beams 110, 111, e.g. by adjusting a plurality of respective beamforming controls assigned for generating the plurality of beams 110, 111.
  • the beams 110, 111 may be generated in an analog, hybrid or a digital part of the beamforming device 300, i.e. by applying analog beamforming or hybrid and digital beamforming controls.
  • the beamforming device 300 may have an antenna port for coupling the transceiver 302 with an
  • the antenna array may be a static antenna array, i.e. an antenna array which generates the beams solely by applying specific
  • the baseband circuit 301 is configured to provide a plurality of control signals 310 and a plurality of data signals 311; and the transceiver circuit 302 is configured to: convert each control signal 310 to a frequency 114 of a first radio carrier 314 assigned to the control signal 310, form for each converted control signal 310 a first
  • transmission beam 110 having a first beam width 112
  • the transceiver circuit 302 may be configured to adjust for each control signal 310 and data signal 311 the frequency 114 of the first radio carrier 314, the frequency 115 of the second radio carrier 315, the first beam width 112 and the second beam width 113 in order to form the first transmission beam 110 and the second transmission beam 111 having approximately a same range.
  • a ratio between the frequency 114 of the first radio carrier 314 and the frequency 115 of the second radio carrier 315 may be tuned according to an inherent transceiver link
  • the first radio carrier 314 may be a millimeter wave carrier or a decimeter/ centimeter wave carrier and the second radio carrier 315 may be a millimeter wave carrier.
  • the transceiver circuit 302 may be configured to form each first transmission beam 110 for controlling a plurality of user devices 101, 102, 103, 104, 105 and to form each second transmission beam 111 for serving the plurality of user devices 101, 102, 103, 104, 105.
  • Fig. 4 is a block diagram illustrating a beamforming device 400 according to a third implementation.
  • the beamforming device 400 may be an implementation of the beamforming device 300 described above with respect to Fig. 3.
  • the beamforming device 400 includes a baseband circuit 301 as described above with respect to Fig. 3 and a transceiver circuit 402.
  • the transceiver circuit 402 is configured to convert the control signal 310 to a first frequency fl of a first radio carrier 314 and to form a first transmission beam 410, e.g. a beam 110 as described above with respect to Figures 1 and 3, having a first beam width 112 based on the converted control signal 310.
  • the transceiver circuit 402 is further configured to convert the data signal 311 to a second
  • the transceiver circuit 402 may include a transmitter section 403 configured to form the first transmission beam 410 and the second transmission beam 411.
  • the transceiver circuit 402 may further include a receiver section 404 configured to receive a first reception beam 412, e.g. a beam 110 as described above with respect to Figs. 1 and 3, and a second reception beam 413, e.g. a beam 111 as described above with respect to Figs. 1 and 3.
  • the beamforming device 400 may include an antenna port 406 configured to be coupled to an antenna array 407.
  • the beamforming device 400 may include a control unit 405 coupled between the transceiver circuit 402 and the antenna array 407.
  • the control unit 405 may be configured to switch the antenna array 407 between non-directional or omnidirectional for the first transmission beam 410 and directional for the second transmission beam 411.
  • a switch control signal 432 may be used by the control unit 405 to control the transceiver circuit 402 for transmitting 434 the respective transmission beam.
  • the control unit 405 may be configured to switch between coupling the first reception beam 412 or the second reception beam 413 to the transceiver circuit 402.
  • a switch control signal 432 may be used by the control unit 405 to control the transceiver circuit 402 for receiving 434 the respective reception beam.
  • Fig. 5 is a block diagram illustrating a beamforming device 500 according to a fourth implementation.
  • the beamforming device 500 may be an implementation of the beamforming device 400 described above with respect to Fig. 4.
  • the beamforming device 500 includes a baseband circuit 301 and a transceiver circuit 402 as described above with respect to Fig. 4.
  • the transceiver circuit 402 is configured to convert the control signal 310 to a first frequency fl of a first radio carrier 314 and to form a first transmission beam 410 having a first beam width 112 based on the converted control signal 310.
  • the transceiver circuit 402 is further configured to convert the data signal 311 to a second frequency f2 of a second radio carrier 315, and to form a second transmission beam 411 having a second beam width 113 based on the
  • the first frequency fl is lower than the second frequency f2 and the first beam width 112 is broader than the second beam width 113.
  • the transceiver circuit 402 may include a transmitter section 403 configured to form the first transmission beam 410 and the second transmission beam 411.
  • the transceiver circuit 402 may further include a receiver section 404 configured to receive a first reception beam 412 and a second reception beam 413.
  • the beamforming device 500 may include a first antenna port 511 configured to be coupled to a first antenna array 507 and a second antenna port 512 configured to be coupled to a second antenna array 508.
  • the transmitter section 403 may be configured to couple the first transmission beam 410 to the first antenna port 511 and the second transmission beam 411 to the second antenna port 512.
  • the receiver section 404 may be configured to receive the first reception beam 412 from the first antenna port 511 and the second reception beam 413 from the second antenna port 512.
  • the first antenna port 511 may be configured to be coupled to a non-directional or omnidirectional antenna array 508 and the second antenna port 512 may be configured to be coupled to a directional antenna array 508.
  • Fig. 6 is a block diagram illustrating a beamforming device 600 according to a fifth implementation. The
  • the beamforming device 600 may be an implementation of the beamforming device 400 described above with respect to Fig. 4 and/or the beamforming device 500 described above with respect to Fig. 5.
  • the beamforming device 600 includes a baseband circuit 301 and a transceiver circuit 402 as
  • the transceiver circuit 402 is configured to convert the control signal 310 to a first frequency fl of a first radio carrier 314 and to form a first transmission beam 410 having a first beam width 112 based on the converted control signal 310.
  • the transceiver circuit 402 is further configured to convert the data signal 311 to a second frequency f2 of a second radio carrier 315, and to form a second transmission beam 411 having a second beam width 113 based on the
  • the first frequency fl is lower than the second frequency f2 and the first beam width 112 is broader than the second beam width 113.
  • the transceiver circuit 402 may include a transmitter section 403 configured to form the first transmission beam 410 and the second transmission beam 411.
  • the transceiver circuit 402 may further include a receiver section 404 configured to receive a first reception beam 412 and a second reception beam 413.
  • the beamforming device 500 may include a first antenna port 511 configured to be coupled to a first antenna array 507 and a second antenna port 512 configured to be coupled to a second antenna array 508.
  • the transmitter section 403 may be configured to couple the first transmission beam 410 to the first antenna port 511 and the second transmission beam 411 to the second antenna port 512.
  • the beamforming device 600 may include a third antenna port 613 configured to be coupled to a third antenna array 609.
  • the beamforming device 600 may include a control unit 405 coupled between the transceiver circuit 402 and the third antenna array 609.
  • the receiver section 404 may be configured to receive the first reception beam 412 and the second reception beam 413 from the third antenna port 613.
  • the control unit 405 may be configured to switch the third antenna array 609 between non-directional or omnidirectional for the first reception beam 412 and directional for the second reception beam 413.
  • the first antenna port 511 may be configured to be coupled to a non-directional or omnidirectional antenna array 507 and the second antenna port 512 may be configured to be coupled to a directional antenna array 508.
  • the third antenna port 613 may be configured to be coupled to an antenna array that may be switched between non-directional or
  • Fig. 7 is a block diagram illustrating a beamforming device 700 according to a sixth implementation.
  • the beamforming device 700 may be an implementation of the beamforming device 400 described above with respect to Fig. 4 and/or the beamforming device 500 described above with respect to Fig. 5 and/or the beamforming device 600 described above with respect to Fig. 6.
  • the beamforming device 600 includes a baseband circuit 301 and a transceiver circuit 402 as described above with respect to Fig. 4.
  • the transceiver circuit 402 is configured to convert the control signal 310 to a first frequency fl of a first radio carrier 314 and to form a first transmission beam 410 having a first beam width 112 based on the converted control signal 310.
  • the transceiver circuit 402 is further configured to convert the data signal 311 to a second frequency f2 of a second radio carrier 315, and to form a second transmission beam 411 having a second beam width 113 based on the
  • the first frequency fl is lower than the second frequency f2 and the first beam width 112 is broader than the second beam width 113.
  • the transceiver circuit 402 may include a transmitter section 403 configured to form the first transmission beam 410 and the second transmission beam 411.
  • the transceiver circuit 402 may further include a receiver section 404 configured to receive a first reception beam 412 and a second reception beam 413.
  • the beamforming device 700 may include a first antenna port 511 configured to be coupled to a first antenna array 507 and a second antenna port 512 configured to be coupled to a second antenna array 508.
  • the receiver section 404 may be configured to receive the first reception beam 412 from the first antenna port 511 and the second reception beam 413 from the second antenna port 512.
  • the beamforming device 700 may include a third antenna port 613 configured to be coupled to a third antenna array 609.
  • the beamforming device 700 may include a control unit 405 coupled between the transceiver circuit 402 and the third antenna array 609.
  • the control unit 405 may be configured to switch the third antenna array 609 between non-directional or omnidirectional for the first transmission beam 410 and directional for the second transmission beam 411.
  • the first antenna port 511 may be configured to be coupled to a non-directional or omnidirectional antenna array 507 and the second antenna port 512 may be configured to be coupled to a directional antenna array 508.
  • the third antenna port 613 may be configured to be coupled to an antenna array that may be switched between non-directional or
  • Fig. 8 schematically illustrates an exemplary method 800 for beamforming according to an implementation.
  • the method 800 includes generating 801 a control signal and a data signal, e.g. by using a baseband circuit 301 as
  • the method 800 includes converting 802 the control signal to a first frequency of a first radio carrier; forming 803 a first transmission beam having a first beam width based on the converted control signal; converting 804 the data signal to a second frequency of a second radio carrier; and forming 805 a second transmission beam having a second beam width based on the converted data signal, e.g. by using a transceiver 302, 402 as described above with respect to Figures 3 to 7.
  • the first frequency is lower than the second frequency 806 and the first beam width is broader than the second beam width 806.
  • the method 800 may further include forming 803 the first transmission beam as a non-directional beam or an omnidirectional beam; and forming 805 the second transmission beam as a directional beam, e.g. as described above with respect to Figures 3 to 7.
  • the method 800 may further include adjusting the first frequency, the second frequency, the first beam width and the second beam width in order to form the first transmission beam and the second transmission beam having approximately a same range beam, e.g. as described above with respect to Figures 3 to 7.
  • DSP digital signal processing circuit
  • ASIC application specific integrated circuit
  • Embodiments described in this disclosure can be implemented in digital electronic circuitry, or in computer hardware, firmware, software, or in combinations thereof, e.g. in available hardware of mobile devices or in new hardware dedicated for processing the methods described herein .
  • the present disclosure also supports a computer program product including computer executable code or
  • Such a computer program product may include a readable storage medium storing program code thereon for use by a processor, the program code comprising instructions for performing any of the method 400 or the algorithm 600 as described above.
  • Example 1 is a beamforming device, comprising: a baseband circuit configured to provide a control signal and a data signal; and a transceiver circuit configured to: convert the control signal to a first frequency of a first radio carrier, form a first transmission beam having a first beam width based on the converted control signal, convert the data signal to a second frequency of a second radio carrier, and form a second transmission beam having a second beam width based on the converted data signal, wherein the first
  • the frequency is lower than the second frequency and the first beam width is broader than the second beam width.
  • Example 2 the subject matter of Example 1 can optionally include that the transceiver circuit is configured to form the first transmission beam as a non-directional beam or an omni-directional beam and to form the second
  • transmission beam as a directional beam.
  • Example 3 the subject matter of any one of
  • Examples 1-2 can optionally include that the transceiver circuit is configured to adjust the first frequency, the second frequency, the first beam width and the second beam width in order to form the first transmission beam and the second transmission beam having approximately a same range.
  • Example 4 the subject matter of any one of
  • Examples 1-3 can optionally include that a ratio between the first frequency and the second frequency is tuned according to an inherent transceiver link reliability.
  • Example 5 the subject matter of any one of
  • Examples 1-4 can optionally include that the first radio carrier and the second radio carrier are millimeter wave carriers .
  • Example 6 the subject matter of any one of
  • Examples 1-4 can optionally include that the first radio carrier is a decimeter/ centimeter wave carrier and the second radio carrier is a millimeter wave carrier.
  • Example 7 the subject matter of any one of
  • Examples 1-6 can optionally include that the control signal is a downlink control signal for transmission to a user device; and that the data signal is a downlink data signal for transmission to the user device.
  • Example 8 the subject matter of any one of
  • Examples 1-7 can optionally include that the control signal is an uplink control signal for transmission to an access point; and that the data signal is an uplink data signal for transmission to the access point.
  • Example 9 the subject matter of any one of
  • Examples 1-8 can optionally include that the transceiver circuit comprises: a transmitter section configured to form the first transmission beam and the second transmission beam; and a receiver section configured to receive a first
  • Example 10 the subject matter of Example 9 can optionally include an antenna port configured to be coupled to an antenna array; and a control unit coupled between the transceiver circuit and the antenna array, wherein the control unit is configured to switch the antenna array between non-directional or omnidirectional for the first transmission beam and directional for the second transmission beam.
  • Example 11 the subject matter of Example 10 can optionally include that the control unit is configured to switch between coupling the first reception beam or the second reception beam to the transceiver circuit.
  • Example 12 the subject matter of Example 9 can optionally include a first antenna port configured to be coupled to a first antenna array; and a second antenna port configured to be coupled to a second antenna array, wherein the transmitter section is configured to couple the first transmission beam to the first antenna port and the second transmission beam to the second antenna port.
  • Example 13 the subject matter of Example 12 can optionally include that the receiver section is configured to receive the first reception beam from the first antenna port and the second reception beam from the second antenna port.
  • Example 14 the subject matter of Example 12 can optionally include a third antenna port configured to be coupled to a third antenna array; and a control unit coupled between the transceiver circuit and the third antenna array, wherein the receiver section is configured to receive the first reception beam and the second reception beam from the third antenna port, and wherein the control unit is
  • the third antenna array configured to switch the third antenna array between non- directional or omnidirectional for the first reception beam and directional for the second reception beam.
  • Example 15 the subject matter of Example 9 can optionally include a first antenna port configured to be coupled to a first antenna array; and a second antenna port configured to be coupled to a second antenna array, wherein the receiver section is configured to receive the first reception beam from the first antenna port and the second reception beam from the second antenna port.
  • Example 16 the subject matter of Example 15 can optionally include a third antenna port configured to be coupled to a third antenna array; and a control unit coupled between the transceiver circuit and the third antenna array, wherein the control unit is configured to switch the third antenna array between non-directional or omnidirectional for the first transmission beam and directional for the second transmission beam.
  • Example 17 the subject matter of any one of
  • Example 18 is a beamforming device, comprising: a baseband circuit configured to provide a plurality of control signals and a plurality of data signals; and a transceiver circuit configured to: convert each control signal to a frequency of a first radio carrier assigned to the control signal, form for each converted control signal a first transmission beam having a first beam width, convert each data signal to a frequency of a second radio carrier assigned to the data signal, and form for each converted data signal a second transmission beam having a second beam width, wherein for each control signal and data signal the frequency of the first radio carrier is lower than the frequency of the second radio carrier and the first beam width is broader than the second beam width.
  • Example 19 the subject matter of Example 18 can optionally include that the transceiver circuit is configured to adjust for each control signal and data signal the
  • Example 20 the subject matter of any one of
  • Examples 18-19 can optionally include that for each control signal and data signal a ratio between the frequency of the first radio carrier and the frequency of the second radio carrier is tuned according to an inherent transceiver link reliability .
  • Example 21 the subject matter of any one of
  • Examples 18-20 can optionally include that for each control signal and data signal the first radio carrier is a
  • millimeter wave carrier or a decimeter/ centimeter wave carrier and the second radio carrier is a millimeter wave carrier .
  • Example 22 the subject matter of any one of
  • Examples 18-21 can optionally include that the transceiver circuit is configured to form each first transmission beam for controlling a plurality of user devices and to form each second transmission beam for serving the plurality of user devices .
  • Example 23 is a method for beamforming, the method comprising: generating a control signal and a data signal; converting the control signal to a first frequency of a first radio carrier; forming a first transmission beam having a first beam width based on the converted control signal;
  • Example 24 the subject matter of Example 23 can optionally include: forming the first transmission beam as a non-directional beam or an omni-directional beam; and forming the second transmission beam as a directional beam.
  • Example 25 the subject matter of any one of
  • Examples 23-24 can optionally include: adjusting the first frequency, the second frequency, the first beam width and the second beam width in order to form the first transmission beam and the second transmission beam having approximately a same range.
  • Example 26 the subject matter of any one of
  • Examples 23-25 can optionally include: tuning a ratio between the first frequency and the second frequency according to an inherent transceiver link reliability.
  • Example 27 the subject matter of any one of
  • Examples 23-26 can optionally include that the first radio carrier and the second radio carrier are millimeter wave carriers .
  • Example 28 the subject matter of any one of
  • Examples 23-26 can optionally include that the first radio carrier is a decimeter/ centimeter wave carrier and the second radio carrier is a millimeter wave carrier.
  • Example 29 the subject matter of any one of
  • Examples 23-28 can optionally include that the control signal is a downlink control signal for transmission to a user device; and that the data signal is a downlink data signal for transmission to the user device.
  • Example 30 the subject matter of any one of
  • Examples 23-28 can optionally include that the control signal is an uplink control signal for transmission to an access point; and that the data signal is an uplink data signal for transmission to the access point.
  • Example 31 is a computer readable non-transitory medium on which computer instructions are stored which when executed by a computer, cause the computer to perform the method of one of Examples 23 to 30.
  • Example 32 is a beamforming device, comprising: means for generating a control signal and a data signal; means for converting the control signal to a first frequency of a first radio carrier; means for forming a first transmission beam having a first beam width based on the converted control signal; means for converting the data signal to a second frequency of a second radio carrier; and means for forming a second transmission beam having a second beam width based on the converted data signal, wherein the first frequency is lower than the second frequency, and wherein the first beam width is broader than the second beam width.
  • Example 33 the subject matter of Example 32 can optionally include: means for forming the first transmission beam as a non-directional beam or an omni-directional beam; and means for forming the second transmission beam as a directional beam.
  • Example 34 the subject matter of any one of
  • Examples 32-33 can optionally include means for adjusting the first frequency, the second frequency, the first beam width and the second beam width in order to form the first
  • Example 35 the subject matter of any one of
  • Example 36 is a beamforming circuit, comprising: a baseband circuit configured to provide a plurality of control signals and a plurality of data signals; and a transceiver circuit configured to: convert each control signal to a frequency of a first radio carrier assigned to the control signal, form for each converted control signal a first transmission beam having a first beam width, convert each data signal to a frequency of a second radio carrier assigned to the data signal, and form for each converted data signal a second transmission beam having a second beam width, wherein for each control signal and data signal the frequency of the first radio carrier is lower than the frequency of the second radio carrier and the first beam width is broader than the second beam width.
  • Example 37 the subject matter of Example 36 can optionally include that the transceiver circuit is configured to adjust for each control signal and data signal the
  • Example 38 the subject matter of any one of
  • Examples 36-37 can optionally include that for each control signal and data signal a ratio between the frequency of the first radio carrier and the frequency of the second radio carrier is tuned according to an inherent transceiver link reliability .
  • Example 39 is a beamforming system, comprising: a baseband subsystem configured to provide a control signal and a data signal; and a transceiver subsystem configured to: convert the control signal to a first frequency of a first radio carrier, form a first transmission beam having a first beam width based on the converted control signal, convert the data signal to a second frequency of a second radio carrier, and form a second transmission beam having a second beam width based on the converted data signal, wherein the first frequency is lower than the second frequency and the first beam width is broader than the second beam width.
  • Example 40 the subject matter of Example 39 can optionally include that the transceiver subsystem is
  • first transmission beam configured to form a non- directional beam or an omni-directional beam and to form the second transmission beam as a directional beam.
  • Example 41 the subject matter of any one of
  • Examples 39-40 can optionally include that the transceiver subsystem is configured to adjust the first frequency, the second frequency, the first beam width and the second beam width in order to form the first transmission beam and the second transmission beam having approximately a same range.
  • Example 42 the subject matter of any one of
  • Examples 39-41 can optionally include that the transceiver subsystem is configured to tune a ratio between the first frequency and the second frequency according to an inherent transceiver link reliability.
  • Example 26 is a computer readable medium on which computer instructions are stored which when executed by a computer, cause the computer to perform the method of one of Examples 11 to 20.
  • Example 26 is a computer readable medium on which computer instructions are stored which when executed by a computer, cause the computer to perform the method of one of Examples 11 to 20.
  • Example 26 is a computer readable medium on which computer instructions are stored which when executed by a computer, cause the computer to perform the method of one of Examples 11 to 20.
  • Example 26 is a computer readable medium on which computer instructions are stored which when executed by a computer, cause the computer to perform the method of one of Examples 11 to 20.

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

Abstract

L'invention concerne un dispositif de formation de faisceau (300), comprenant : un circuit de bande de base (301) configuré pour fournir un signal de commande (310) et un signal de données (311); et un circuit d'émetteur-récepteur (302) configuré pour : convertir le signal de commande (310) dans une première fréquence (f1) d'une première porteuse radio (314), former un premier faisceau d'émission (110) ayant une première largeur de faisceau (112) sur la base du signal de commande converti (310), convertir le signal de données (311) dans une seconde fréquence (f2) d'une seconde porteuse radio (315), et former un second faisceau d'émission (111) ayant une seconde largeur de faisceau (113) sur la base du signal de données converti (311), la première fréquence (f1) étant inférieure à la seconde fréquence (f2) et la première largeur de faisceau (112) étant plus large que la seconde largeur de faisceau (113).
PCT/EP2017/054789 2016-04-01 2017-03-01 Dispositif de formation de faisceau pour former différents faisceaux pour un signal de commande et de données Ceased WO2017167532A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102016105980.3 2016-04-01
DE102016105980.3A DE102016105980A1 (de) 2016-04-01 2016-04-01 Strahlformungsvorrichtung für das Formen von unterschiedlichen Strahlen für Steuer- und Datensignal

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WO2017167532A1 true WO2017167532A1 (fr) 2017-10-05

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EP3500021A1 (fr) * 2017-12-14 2019-06-19 Samsung Electronics Co., Ltd. Dispositif électronique permettant d'effectuer une communication de dispositif à dispositif sans fil
CN112421243A (zh) * 2020-11-09 2021-02-26 中国人民解放军国防科技大学 全向波束和定向自跟踪波束双模式的无线自组网天线阵列
US10986510B2 (en) 2018-09-25 2021-04-20 Apple Inc. Electronic devices having sensor-augmented wireless link management

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US20110182174A1 (en) * 2010-01-28 2011-07-28 Samsung Electronics Co. Ltd. Techniques for millimeter wave mobile communication
US20140148107A1 (en) * 2012-11-28 2014-05-29 Alexander Maltsev Using Multiple Frequency Bands With Beamforming Assistance in a Wireless Network

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KR101820733B1 (ko) * 2011-08-24 2018-01-22 삼성전자주식회사 무선통신시스템에서 빔 선택 장치 및 방법
JP6336728B2 (ja) * 2013-08-20 2018-06-06 株式会社Ｎｔｔドコモ 同期信号送信方法及び基地局装置

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US20110182174A1 (en) * 2010-01-28 2011-07-28 Samsung Electronics Co. Ltd. Techniques for millimeter wave mobile communication
US20140148107A1 (en) * 2012-11-28 2014-05-29 Alexander Maltsev Using Multiple Frequency Bands With Beamforming Assistance in a Wireless Network

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3500021A1 (fr) * 2017-12-14 2019-06-19 Samsung Electronics Co., Ltd. Dispositif électronique permettant d'effectuer une communication de dispositif à dispositif sans fil
US10986510B2 (en) 2018-09-25 2021-04-20 Apple Inc. Electronic devices having sensor-augmented wireless link management
US12207100B2 (en) 2018-09-25 2025-01-21 Apple Inc. Electronic devices having sensor-augmented wireless link management
CN112421243A (zh) * 2020-11-09 2021-02-26 中国人民解放军国防科技大学 全向波束和定向自跟踪波束双模式的无线自组网天线阵列

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