Classifications

• • H—ELECTRICITY
  • H04—ELECTRIC COMMUNICATION TECHNIQUE
  • H04W—WIRELESS COMMUNICATION NETWORKS
  • H04W24/00—Supervisory, monitoring or testing arrangements
  • H04W24/06—Testing, supervising or monitoring using simulated traffic
• • H—ELECTRICITY
  • H04—ELECTRIC COMMUNICATION TECHNIQUE
  • H04B—TRANSMISSION
  • H04B17/00—Monitoring; Testing
  • H04B17/30—Monitoring; Testing of propagation channels
  • H04B17/309—Measuring or estimating channel quality parameters
  • H04B17/318—Received signal strength
• • H—ELECTRICITY
  • H04—ELECTRIC COMMUNICATION TECHNIQUE
  • H04W—WIRELESS COMMUNICATION NETWORKS
  • H04W24/00—Supervisory, monitoring or testing arrangements
  • H04W24/10—Scheduling measurement reports ; Arrangements for measurement reports
• • H—ELECTRICITY
  • H04—ELECTRIC COMMUNICATION TECHNIQUE
  • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
  • H04L5/00—Arrangements affording multiple use of the transmission path
  • H04L5/003—Arrangements for allocating sub-channels of the transmission path
  • H04L5/0048—Allocation of pilot signals, i.e. of signals known to the receiver
• • H—ELECTRICITY
  • H04—ELECTRIC COMMUNICATION TECHNIQUE
  • H04W—WIRELESS COMMUNICATION NETWORKS
  • H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
  • H04W52/04—TPC
  • H04W52/06—TPC algorithms
  • H04W52/16—Deriving transmission power values from another channel

Definitions

• FIG. 2 illustrates example components of a UE in accordance with various
• a separate radio integrated circuit (IC) circuitry may be provided for processing signals for each spectrum, although the scope of the embodiments is not limited in this respect.
• FIG. 3 illustrates an example of an NR. conformance test setup 300, in accordance with various embodiments.
• a system test and control equipment 305 may implement functionalities of a next Generation NodeB (gNB) emulator in the context of testing.
• the gNodeB emulator can be referred to as an emulator for a base station (BS), access node (AN), NodeB, evolved NodeB (eNB), RAN node, serving cell, and neighbour cell.
• the test equipment (TE) 305 may be connected to a plurality of measurement antennas 310.
• the plurality of measurement antennas 310 may be placed in an anechoic chamber 315.
• the measurement antennas 310 may be capable of operating in single or dual polarization.
• the propagation channels 325 encompass effects of signal propagation over the air between the measurement antennas 310 and UE antennas, as well as effects of the antenna array feeding network 125, RF processing circuitry 120, and if applicable, IF processing circuitry 115.
• the measurement configuration may indicate one or more measurement objects with respect to the two DL resource signals.
• D M may be referred to as AR, as receiving delta by the UE 100.
• AM and AR may be used interchangeably throughout this disclosure.
• the UE 100 may determine the measured delta and report the measured delta to the TE 305.
• the operation flow/test structure 400 A may include, at 430, determining a relative error based on the two measured Ll-RSRP values and the reference delta.
• Equation 2 may be used to determine the relative error. Otherwise, if the A M IS calculated or would be calculated, Equation 3 may be used to determine the relative error.
• the relative error is 6 dB, based on either Equation 2 or Equation 3.
• the error threshold may be predetermined or the TE 305 may determine the error threshold upon the transmission of the two DL resource signals.
• the error threshold may be determined based on one or more of various factors. Those factors may include, but are not limited to, SCSs, the number of resource elements (REs), and operating frequency ranges with respect to the two DL resource signals respectively or collectively.
• the operation flow/test structure 400B may further include, at 405, initializing a measurement count to count for a number of transmissions of DL resource signals for the Ll- RSRP accuracy evaluation.
• the initial value of the count may be zero or other integer.
• the operation flow/test structure 400B may further include, at 425, comparing the measurement error count with a count threshold.
• the count threshold may be a number configured by the TE 305. If the measurement error count is not greater than the count threshold, the TE 305 may retransmit the two DL resource at 410. The retransmission of the two DL resource signals may have the same transmission power values as transmitted the first time or a different set of transmission power values. Further, the TE 305 may generate a new set or pair of DL resource signals instead of using the same DL resource. If the measurement error count is greater than the count threshold, the TE 305 may determine that the UE fails the relative Ll- RSRP accuracy evaluation, at 450.
• the two DL resource signals may be received with different receiver beamforming or different receiving beams, if the two DL resource signals are located in two different
• the two measured Ll-RSRP values may include additional difference caused by the different receiver beams, so that the measured delta may not reflect only the baseband errors any more but introducing additional unwanted difference from receiver beamforming. Such unwanted difference needs to be removed in the accuracy evaluation.
• One example approach is to configure the two DL resource signals into one OFDM symbol, so that the two DL resource signals may always be received with the same receiver beam.
• the TE 305 may configure the UE 100 to receive the two DL resource signals with the same receiver beams.
• Figure 5A illustrates an example of forming an OFDM symbol based on one CSI-RS resource and one SSB resource, which is an Secondary SSB resource, in accordance with various embodiments.
• the two transmitting DL resource signals are Tl 505 and T2 510.
• Figure 5B illustrates another example of forming an OFDM symbol based on two CSI-RS resources, in accordance with various embodiments.
• the two transmitting DL resource signals are T1515 and T2 520.
• Other like reference signals and reference signal combinations may be used for DL resource signals in the relative Ll-RSRP accuracy evaluation.
• the operation flow/test structure 600 may include, at 610, decoding, upon reception of a message from the TE 305, at least one measurement configuration with respect to two DL resource signals for an Ll-RSRP accuracy evaluation.
• the measurement configuration may indicate one or two MOs that correspond to the transmitted or to-be transmitted DL resource signals for the Ll-RSRP accuracy evaluation.
• the operation flow/test structure 600 may include, at 620, measuring, upon reception of the two DL resource signals in at least one reference signal, the two DL resource signals for Ll- RSRP measurements based on the measurement configuration.
• the two DL resource signals may be located in one reference signal or in two respective reference signals. The measurement may be performed in a test environment as described with respect to Figure 3.
• the UE 100 may generate two respective beam measurement reports to report the measured Ll- RSRP values separately.
• the beam measurement report(s) may be transmitted to the TE 305 via one or more Ll messages.
• the report may be transmitted via an uplink control information (UCI) in a PUCCH, or in a PUSCH.
• UCI uplink control information
• the baseband circuitry 204 may further include one or more interfaces to
• a memory interface 712 for example, an interface to send/receive data to/from memory external to the baseband circuitry 204
• an application circuitry interface 714 for example, an interface to send/receive data to/from the application circuitry 202 of Figure 2
• an RF circuitry interface 716 for example, an interface to send/receive data to/from RF circuitry 206 of Figure 2
• a wireless hardware connectivity interface 718 for example, an interface to send/receive data to/from Near Field Communication (NFC) components, Bluetooth® components (for example, Bluetooth® Low Energy), Wi-Fi® components, and other communication components
• NFC Near Field Communication
• Figure 8 is a block diagram illustrating components, according to some example embodiments, able to read instructions from a machine-readable or computer-readable medium (for example, a non-transitory machine-readable storage medium) and perform any one or more of the methodologies discussed herein. Specifically, Figure 8 shows a diagrammatic
• hardware resources 800 including one or more processors (or processor cores) 810, one or more memory/storage devices 820, and one or more communication resources 830, each of which may be communicatively coupled via a bus 840.
• node virtualization for example, network function virtualization (NFV)
• NFV network function virtualization
• a hypervisor 802 may be executed to provide an execution environment for one or more network slices/sub-slices to utilize the hardware resources 800.
• the processors 810 may include, for example, a processor 812 and a processor 814.
• CPET central processing unit
• RISC reduced instruction set computing
• CISC complex instruction set computing
• GPET graphics processing unit
• DSP digital signal processor
• ASIC application specific integrated circuit
• RFIC radio-frequency integrated circuit
• the memory/storage devices 820 may include main memory, disk storage, or any suitable combination thereof.
• the memory/storage devices 820 may include, but are not limited to, any type of volatile or non-volatile memory such as dynamic random access memory (DRAM), static random-access memory (SRAM), erasable programmable read-only memory (EPROM), electrically erasable programmable read-only memory (EEPROM), Flash memory, solid-state storage, etc.
• DRAM dynamic random access memory
• SRAM static random-access memory
• EPROM erasable programmable read-only memory
• EEPROM electrically erasable programmable read-only memory
• Flash memory solid-state storage, etc.
• the communication resources 830 may include interconnection or network interface components or other suitable devices to communicate with one or more peripheral devices 804 or one or more databases 806 via a network 808.
• the communication resources 830 may include wired communication components (for example, for coupling via a ETniversal Serial Bus (USB)), cellular communication components, NFC components, Bluetooth® components (for example, Bluetooth® Low Energy), Wi-Fi® components, and other communication components.
• wired communication components for example, for coupling via a ETniversal Serial Bus (USB)
• cellular communication components for example, for coupling via a ETniversal Serial Bus (USB)
• NFC components for example, NFC components
• Bluetooth® components for example, Bluetooth® Low Energy
• Wi-Fi® components and other communication components.
• Instructions 850 may comprise software, a program, an application, an applet, an app, or other executable code for causing at least any of the processors 810 to perform any one or more of the methodologies discussed herein.
• the instructions 850 may cause the UE to perform some or all of the operation flow/algorithmic structure 500.
• the hardware resources 800 may be implemented into the TE 305.
• the instructions 850 may cause the TE 305 to perform some or all of the operation flow/algorithmic structure 400A/B.
• the instructions 850 may reside, completely or partially, within at least one of the processors 810 (for example, within the processor’s cache memory), the memory/storage devices 820, or any suitable combination thereof. Furthermore, any portion of the instructions 850 may be transferred to the hardware resources 800 from any combination of the peripheral devices 804 or the databases 806. Accordingly, the memory of processors 810, the memory/ storage devices 820, the peripheral devices 804, and the databases 806 are examples of computer-readable and machine-readable media.
• Example 1 may include a method comprising: transmitting two DL resource signals for a relative Layer 1 reference signal received power (Ll-RSRP) accuracy evaluation for a user equipment (UE); determining a reference delta between two transmission power values of the two transmitted DL resource signals; decoding, upon reception of at least one beam
• Ll-RSRP Layer 1 reference signal received power
• Example 2 may include the method of example 1 and/or some other examples herein, wherein the two DL resource signals are two synchronization signal block (SSB) resource signals or two channel status information - reference signal (CSI-RS) resource signals, and the two DL resource signals are configured for the Ll-RSRP accuracy evaluation.
• SSB synchronization signal block
• CSI-RS channel status information - reference signal
• Example 5 may include the method of example 1 and/or some other examples herein, wherein to transmit the two DL resource signals is to cause the TE to respectively transmit the two DL resource signals associated with a same beam identification.
• Example 6 may include the method of example 1 and/or some other examples herein, wherein each of the two DL resource signals at transmission by the TE corresponds to a different power level from the each of the two DL resource signals at reception by the LIE.
• Example 7 may include the method of example 1 and/or some other examples herein, wherein to determine the relative error based on the two measured Ll-RSRP values and the reference delta is to derive, based on the two measured Ll-RSRP values, a measured delta that is a difference between the two measured Ll-RSRP values; and derive, based on the measured delta and the reference delta, the relative error that is a difference between the measured delta and the reference delta.
• Example 9 may include the method of example 1 and/or some other examples herein, further comprising determining the error threshold based on at least one of a subcarrier spacing (SCS), a number of resource elements (REs), one or more signal-to-interference and noise (SINR) ranges, and an operating frequency range, with respect to the two DL resource signals.
• SCS subcarrier spacing
• REs resource elements
• SINR signal-to-interference and noise
• Example 10 may include the method of any of examples 1-9 and/or some other examples herein, further comprising transmitting a message to configure the UE to measure the two DL resource signals.
• Example 11 may include the method of any of examples 1-9 and/or some other examples herein, further comprising comparing the relative error with the error threshold value.
• Example 12 may include the method of example 11 and/or some other examples herein, wherein the two DL resource signals are a first pair of DL resource signals and the relative error is a first relative error of the first pair of DL resource signals.
• Example 13 may include the method of example 12 and/or some other examples herein, further comprising initiating a measurement count to count for a number of transmissions of DL resource signals for the Ll-RSRP accuracy evaluation.
• Example 14 may include the method of example 13 and/or some other examples herein, further comprising comparing the measurement count with a count threshold.
• Example 15 may include the method of example 14 and/or some other examples herein, further comprising transmitting a second pair of DL resource signals for continuing the Ll- RSRP accuracy evaluation, if the first relative error is greater than the error threshold value and the measurement count is not greater than the count threshold.
• Example 16 may include the method of example 15 and/or some other examples herein, further comprising comparing a second relative error of the second pair of DL resource signals with the error threshold; determining that the LIE passes the Ll-RSRP accuracy evaluation if the second relative error is smaller than or equal to the error threshold; and generating a message to indicate that the LIE passes the Ll-RSRP accuracy evaluation.
• Example 17 may include the method of any of examples 12-16 and/or some other examples herein, further comprising determining that the LIE fails the Ll-RSRP accuracy evaluation if the measurement count is greater than the count threshold; and generating a message to indicate that the LIE fails the Ll-RSRP accuracy evaluation.
• Example 18 may include the method of any of examples 1-17 and/or some other examples herein, wherein the method is performed by a test equipment (TE) or a portion thereof.
• TE test equipment
• Example 19 may include a method comprising decoding, upon reception of a message from a test equipment (TE), at least one measurement configuration with respect to two downlink (DL) resource signals for a Layer 1 reference signal received power (Ll-RSRP) accuracy evaluation; measuring, upon reception of the two DL resource signals, the two DL resource signals for Ll-RSRP measurements based on the measurement configuration; and transmitting at least one beam measurement report that indicates two measured Ll-RSRP values that are measurement results of the two DL resource signals received by the UE.
• Example 20 may include the method of example 19 and/or some other examples herein, further comprising generating the at least one beam measurement report based on the
• Example 21 may include the method of any of examples 19-20 and/or some other examples herein, wherein the two DL resource signals are a first pair of DL resource signals.
• Example 22 may include the method of example 21 and/or some other examples herein, further comprising receiving a second pair of two DL resource signals; measuring the second pair of two DL resource signals; and transmitting at least another beam measurement report that indicates another two measured Ll-RSRP values that are measurement results of the second pair of two DL resource signals.
• Example 23 may include the method of any of examples 19-22 and/or some other example herein, wherein the method is performed by the UE or a portion thereof.
• Example 24 may include an apparatus comprising means to perform one or more elements of the method described in or related to any of examples 1-23, or any other method or process described herein.
• Example 25 may include one or more non-transitory computer-readable media comprising instructions to cause an electronic device, upon execution of the instructions by one or more processors of the electronic device, to perform one or more elements of the method described in or related to any of examples 1-23, or any other method or process described herein.
• Example 26 may include an apparatus comprising logic, modules, and/or circuitry to perform one or more elements of the method described in or related to any of examples 1-23, or any other method or process described herein.
• Example 27 may include a method, technique, or process as described in or related to any of examples 1-23, or portions or parts thereof.
• Example 28 may include an apparatus comprising: one or more processors and one or more computer-readable media comprising instructions that, when executed by the one or more processors, cause the one or more processors to perform the method, techniques, or process as described in or related to any of examples 1-23, or portions thereof.
• illustrations or block diagrams, and combinations of blocks in the flowchart illustrations or block diagrams can be implemented by computer program instructions.
• These computer program instructions may be provided to a processor of a general purpose computer, special purpose computer, or other programmable data processing apparatus to produce a machine, such that the instructions, which execute via the processor of the computer or other programmable data processing apparatus, create means for implementing the functions/acts specified in the flowchart or block diagram block or blocks.
• These computer program instructions may also be stored in a computer-readable medium that can direct a computer or other programmable data processing apparatus to function in a particular manner, such that the instructions stored in the computer-readable medium produce an article of manufacture including instruction means that implement the function/act specified in the flowchart or block diagram block or blocks.
• the computer program instructions may also be loaded onto a computer or other programmable data processing apparatus to cause a series of operational steps to be performed on the computer or other programmable apparatus to produce a computer implemented process such that the instructions that execute on the computer or other programmable apparatus provide processes for implementing the functions/acts specified in the flowchart or block diagram block or blocks.

Landscapes

• Engineering & Computer Science (AREA)
• Computer Networks & Wireless Communication (AREA)
• Signal Processing (AREA)
• Quality & Reliability (AREA)
• Physics & Mathematics (AREA)
• Electromagnetism (AREA)
• Mobile Radio Communication Systems (AREA)

Applications Claiming Priority (2)

Publications (2)

Family

ID=70164841

Family Applications (1)

Country Status (2)

Families Citing this family (2)

Family Cites Families (2)

• 2019
  • 2019-10-04 EP EP19871930.4A patent/EP3864778A4/de not_active Withdrawn
  • 2019-10-04 WO PCT/US2019/054663 patent/WO2020076625A1/en unknown

Also Published As

Similar Documents

Legal Events