WO2017080132A1 - Système et procédé de mesure de qualité de canal en transmission superposée à utilisateur unique - Google Patents

Système et procédé de mesure de qualité de canal en transmission superposée à utilisateur unique Download PDF

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Publication number
WO2017080132A1
WO2017080132A1 PCT/CN2016/078409 CN2016078409W WO2017080132A1 WO 2017080132 A1 WO2017080132 A1 WO 2017080132A1 CN 2016078409 W CN2016078409 W CN 2016078409W WO 2017080132 A1 WO2017080132 A1 WO 2017080132A1
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Prior art keywords
transmission
brs
antenna
codewords
circuitry
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PCT/CN2016/078409
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English (en)
Inventor
Wenting CHANG
Yuan Zhu
Yushu Zhang
Huaning Niu
Qinghua Li
Gang Xiong
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Intel IP Corporation
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    • 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
    • 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
    • H04B7/0404—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas the mobile station comprising multiple antennas, e.g. to provide uplink diversity
    • 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
    • H04B7/0413—MIMO systems
    • H04B7/0456—Selection of precoding matrices or codebooks, e.g. using matrices antenna weighting
    • H04B7/046—Selection of precoding matrices or codebooks, e.g. using matrices antenna weighting taking physical layer constraints into account
    • H04B7/0469—Selection of precoding matrices or codebooks, e.g. using matrices antenna weighting taking physical layer constraints into account taking special antenna structures, e.g. cross polarized antennas into account

Definitions

  • wireless cellular communication systems have been implemented or are being proposed, including a 3rd Generation Partnership Project (3GPP) Universal Mobile Telecommunications System (UMTS) , a 3GPP Long-Term Evolution (LTE) system, a 3GPP LTE-Advanced (LTE-A) system, and a 5 th Generation wireless /5 th Generation mobile networks (5G) system.
  • 3GPP 3rd Generation Partnership Project
  • UMTS Universal Mobile Telecommunications System
  • LTE Long-Term Evolution
  • LTE-A 3GPP LTE-Advanced
  • 5G 5 th Generation wireless /5 th Generation mobile networks
  • Some wireless cellular communication systems may support Multiple Input Multiple Output (MIMO) techniques in which a User Equipment (UE) may have multiple directional Receiving (Rx) based antenna panels.
  • MIMO Multiple Input Multiple Output
  • UE User Equipment
  • Rx Receiving
  • the boresight directions of the antennas may be configured at angles with each other, perhaps even pointing in opposite directions for purposes of spatial coverage
  • Fig. 1 illustrates a Single User Superimposed Transmission (SUST) scenario, in accordance with some embodiments of the disclosure.
  • Fig. 2 illustrates a Single User Superimposed Transmission (SUST) scenario, in accordance with some embodiments of the disclosure.
  • Fig. 3 illustrates a flow chart for deriving an SUST Modulation and Coding Scheme (MCS) from a non-SUST Channel Quality Indicator (CQI) , in accordance with some embodiments of the disclosure.
  • MCS Modulation and Coding Scheme
  • CQI non-SUST Channel Quality Indicator
  • Fig. 4 illustrates a flow chart for deriving Channel State Information (CSI) assuming SUST transmission, in accordance with some embodiments of the disclosure.
  • CSI Channel State Information
  • Fig. 5 illustrates CSI Reference Signal (CSI-RS) symbols for channel measurement of inner data symbols and outer data symbols, in accordance with some embodiments of the disclosure.
  • CSI-RS CSI Reference Signal
  • Fig. 6 illustrates an Evolved Node-B (eNB) and a User Equipment (UE) , in accordance with some embodiments of the disclosure.
  • eNB Evolved Node-B
  • UE User Equipment
  • Fig. 7 illustrates hardware processing circuitry for an eNB for enabling an SUST Transmission Mode (TM) , in accordance with some embodiments of the disclosure.
  • TM SUST Transmission Mode
  • Fig. 8 illustrates hardware processing circuitry for a UE for enabling an SUST TM, in accordance with some embodiments of the disclosure.
  • Fig. 9 illustrates methods for an eNB for enabling an SUST TM, in accordance with some embodiments of the disclosure.
  • Fig. 10 illustrates methods for a UE for enabling an SUST TM, in accordance with some embodiments of the disclosure.
  • Fig. 11 illustrates hardware processing circuitry for an eNB for determining a highest Beam Reference Signal (BRS) Receiving Power (BRS-RP) for a UE antenna panel, in accordance with some embodiments of the disclosure.
  • BRS Beam Reference Signal
  • BRS-RP Beam Reference Signal
  • Fig. 12 illustrates hardware processing circuitry for a UE for determining a highest BRS-RP for a UE antenna panel, in accordance with some embodiments of the disclosure.
  • Fig. 13 illustrates methods for an eNB for determining a highest BRS-RP for a UE antenna panel, in accordance with some embodiments of the disclosure.
  • Fig. 14 illustrates methods for a UE for determining a highest BRS-RP for a UE antenna panel, in accordance with some embodiments of the disclosure.
  • Fig. 15 illustrates hardware processing circuitry for an eNB for measuring channel quality for SUST transmissions, in accordance with some embodiments of the disclosure.
  • Fig. 16 illustrates hardware processing circuitry for a UE for measuring channel quality for SUST transmissions, in accordance with some embodiments of the disclosure.
  • Fig. 17 illustrates methods for an eNB for measuring channel quality for SUST transmissions, in accordance with some embodiments of the disclosure.
  • Fig. 18 illustrates methods for a UE for measuring channel quality for SUST transmissions, in accordance with some embodiments of the disclosure.
  • Fig. 19 illustrates example components of a UE device, in accordance with some embodiments of the disclosure.
  • Non-Orthogonal Multiple Access (NOMA) or Multi-User Superimposed Transmission (MUST) may be applied in 3rd Generation Partnership Project (3GPP) Long-Term Evolution (LTE) Advanced (LTE-A) systems and 5 th Generation wireless /5 th Generation mobile networks (5G) systems in which multiple users are multiplexed in the power domain or in modulated data symbols on a transmitter side, and multi-user signal separation on a receiver side is realized through Successive Interference Cancellation (SIC) .
  • MUST When MUST is applied, a user may partially locate in a cell center and partially locate in a cell edge. Cell center users may decode data by cancelling interference coming from downlink signals to cell edge users. For cell edge users, the signal power is much stronger than interference from cell center users, so data may be decoded without consideration of interference coming to cell center users.
  • peak throughput for a Line-of-Sight (LoS) User Equipment (UE) may be limited by a channel rank, which may be two with horizontal and vertical polarization.
  • UE User Equipment
  • a channel rank which may be two with horizontal and vertical polarization.
  • beam aggregation may increase UE peak throughput.
  • a Single User Superimposed Transmission may increase UE peak throughput.
  • Multiple directional antenna-panel structures used for MUST purposes may be applicable to superimposed transmissions to a single UE, since Reference Signal Receiving Powers (RSRPs) may differ greatly between antenna panels.
  • RSRPs Reference Signal Receiving Powers
  • SUST may help increase a total Single User (SU) rank to greater than a number of transmission APs.
  • SUST may be well suited for mmWave communications for small cells for which LoS probability may be high, and UEs may be in close proximity to transmission points.
  • an eNB With two Rx antenna panels, each connected to two digital ports, an eNB may be able to serve a UE with up to rank four data transmission with merely two digital ports.
  • the following description first addresses systems and methods for SUST coding. Proceeding, the description addresses systems and methods for measurement with simultaneous receiving beamforming. Finally, the description addresses systems and methods for channel quality measurement in an SUST transmission mode.
  • signals are represented with lines. Some lines may be thicker, to indicate a greater number of constituent signal paths, and/or have arrows at one or more ends, to indicate a direction of information flow. Such indications are not intended to be limiting. Rather, the lines are used in connection with one or more exemplary embodiments to facilitate easier understanding of a circuit or a logical unit. Any represented signal, as dictated by design needs or preferences, may actually comprise one or more signals that may travel in either direction and may be implemented with any suitable type of signal scheme.
  • connection means a direct electrical, mechanical, or magnetic connection between the things that are connected, without any intermediary devices.
  • coupled means either a direct electrical, mechanical, or magnetic connection between the things that are connected or an indirect connection through one or more passive or active intermediary devices.
  • circuit or “module” may refer to one or more passive and/or active components that are arranged to cooperate with one another to provide a desired function.
  • signal may refer to at least one current signal, voltage signal, magnetic signal, or data/clock signal.
  • the transistors in various circuits, modules, and logic blocks are Tunneling FETs (TFETs) .
  • Some transistors of various embodiments may comprise metal oxide semiconductor (MOS) transistors, which include drain, source, gate, and bulk terminals.
  • MOS metal oxide semiconductor
  • the transistors may also include Tri-Gate and FinFET transistors, Gate All Around Cylindrical Transistors, Square Wire, or Rectangular Ribbon Transistors or other devices implementing transistor functionality like carbon nanotubes or spintronic devices.
  • MOSFET symmetrical source and drain terminals i.e., are identical terminals and are interchangeably used here.
  • a TFET device on the other hand, has asymmetric Source and Drain terminals.
  • Bi-polar junction transistors-BJT PNP/NPN, BiCMOS, CMOS, etc. may be used for some transistors without departing from the scope of the disclosure.
  • phrases “A and/or B” and “A or B” mean (A) , (B) , or (A and B) .
  • phrase “A, B, and/or C” means (A) , (B) , (C) , (A and B) , (A and C) , (B and C) , or (A, B and C) .
  • combinatorial logic and sequential logic discussed in the present disclosure may pertain both to physical structures (such as AND gates, OR gates, or XOR gates) , or to synthesized or otherwise optimized collections of devices implementing the logical structures that are Boolean equivalents of the logic under discussion.
  • Systems and methods for SUST coding may generally relate to physical downlink shared channel (PDSCH) transmissions and/or xPDSCH specifications for SUST and Downlink (DL) control signaling for SUST.
  • PDSCH physical downlink shared channel
  • DL Downlink
  • SUST may be applicable to UEs with multiple directional antenna panels, since differences in RSRPs from the same transmission point as received by different antenna panels may be largely due to signal separation among multiple antenna panels.
  • Fig. 1 illustrates a Single User Superimposed Transmission (SUST) scenario, in accordance with some embodiments of the disclosure.
  • an eNB 110 is transmitting a beamformed beam 115 toward a UE 120using a Tx antenna panel 111.
  • UE 120 has multiple directional receiving antenna panels.
  • UE 120 may have a primary antenna panel 121 and a secondary antenna panel 122.
  • Primary antenna panel 121 may have a first boresight direction
  • secondary antenna panel 122 may have a second boresight direction at an angle with the first boresight direction.
  • RSRPs for primary antenna panel 121 may be higher than RSRPs for secondary antenna panel 122.
  • primary antenna panel 121 may perform as a cell center UE and secondary antenna panel 122 may perform as a cell edge UE for one superimposed transmission.
  • y i may be an N r ⁇ 1 received signal vector of Rx panel i;
  • W rx, i may be a 2 ⁇ N r Rx analog beamforming matrix of Rx panel i;
  • H i may be an N r ⁇ N t channel matrix between Rx panel i and the single Tx panel;
  • W tx may be an N t ⁇ 2 Tx analog beamforming matrix of single Tx panel
  • p i may be a transmit power scaling factor for the codeword to be received by i;
  • P 2 may be a 2 ⁇ 1 precoder for the second codeword and may be simply set to the same as P 1, 1 or P 1, 2 ;
  • x i may be one or more data symbols of one or more codewords intended for Rx panel i;
  • x may be a superimposed data symbol of both Rx panels
  • n i may be a 2 ⁇ 1 noise vector
  • N r may be a number of receive antennas
  • N t may be a number of transmit antennas.
  • signals to a primary antenna panel and a secondary antenna panel may come from different codewords.
  • One codeword may then be applied to one antenna panel, for example, or two codewords may be mapped to two antenna panels, respectively.
  • SUST may use more than one codeword for PDSCH and/or xPDSCH.
  • the number of codewords used may depend on a number of Rx antenna panels for the PDSCH and/or xPDSCH, and a maximum number of codewords may be defined by the network or Radio Resource Control (RRC) signaling.
  • RRC Radio Resource Control
  • One codeword may be mapped to a number of layers from one to N layer , where:
  • N layer may equal
  • Tx antenna ports may be a number of Tx antenna ports for current Tx antenna panel
  • Rx antenna ports may be a number of Rx antenna ports for one Rx antenna panel.
  • a Tx signal for each subcarrier in one or more Tx antenna ports may be generated in accordance with equation (2) :
  • N cw may represent a number of a codeword
  • p j may indicate a Tx power of codeword j
  • d j may denote a Tx symbol for codeword j.
  • a Tx power of each codeword may meet the condition indicated by equation (3) :
  • a total power across codewords may equal 1.
  • a UE may have two Rx antenna panels for PDSCH and/or xPDSCH reception, and there may be two codewords if SUST is enabled.
  • a first codeword may be decoded by a primary antenna panel and a second codeword may be decoded by a secondary antenna panel.
  • a codeword-specific SIC receiver may then be applied.
  • Some embodiments may use a codeword-to-layer mapping method in which a number of layers per codeword may be indicated by higher layers, and each codeword may be mapped (e.g., to multiple layers) independently.
  • UE-RS UE-specific Reference Signal
  • DMRS Demodulation Reference Signal
  • its number of antenna ports may be a maximum number of layers in all the codewords as indicated by equation (4) :
  • UE-RS may denote a number of antenna ports for UE-RS
  • codeword j may denote a number of layers in codeword j.
  • Equation (1) may equal 2.
  • k may be a DMRS port index
  • a first Rx antenna panel may have a rank two data transmission and may be disposed to performing channel estimation from both DMRS ports
  • a second Rx antenna panel may have a rank one data transmission and may merely be disposed to performing channel estimation from either DMRS antenna port.
  • the DMRS antenna port to use for the second Rx antenna panel may either be predefined by specification, or dynamically indicated in DL control signaling.
  • a number of DMRS antenna ports may be equal to a total number of antenna ports in each codeword, which can be obtained as indicated by equation (6) :
  • the precoder for each codeword may be different.
  • the receiving signal for DMRS in each antenna panel may be as indicated by equation (1) .
  • DMRS antenna ports for the second codeword may either be set as one of the DMRS antenna ports for the first codeword, or may be set as indicated in DL control signaling.
  • SUST may be considered a new Transmission Mode (TM) in the network.
  • This new TM may be configured by dedicated RRC signaling.
  • codewords and Rx antenna panels may be one-to-one mapped.
  • a codeword j may be mapped to an Rx antenna panel j.
  • a codeword-to-antenna-panel mapping may be configured by RRC signaling or by DL assignment.
  • a number of layers for each codeword may be configured by DL assignment.
  • DCI Downlink Control Information
  • ERE Energy Per Resource Element
  • a number of bits for the Number of Layers may be obtained from
  • the DMRS Antenna Port (s) Indication may be one per DCI instead of one per CW.
  • the DMRS Antenna Port (s) Indication can be defined for all the codewords. Otherwise, the number of layers may not be needed for each codword, and may be implicitly indicated in the DMRS Antenna Port (s) Indication. Alternatively, the number of DMRS antenna ports may be equal to the total number of layers for each codeword. In some embodiments, the DMRS Antenna Port (s) Indication might not be used in the DCI.
  • the EPRE Ratio between PDSCH and/or xPDSCH and its corresponding DMRS may be 1. In such embodiments, the EPRE Ratio between one codeword and DMRS might not be transmitted in the DCI.
  • the first antenna ports may be used by codeword 1, and the rest of the antenna ports may be used by codeword 2.
  • the Rx antenna panel which acts as a cell center UE may be implicitly indicated in a reception panel of the corresponding Physical Downlink Control Channel (PDCCH and/or EPDCCH) .
  • PDCH Physical Downlink Control Channel
  • EPDCCH Physical Downlink Control Channel
  • Rx antenna panel selection may be used in some embodiments.
  • a UE may report an RSRP or a Beam Reference Signal (BRS) Receiving Power (BRS-RP) measured from one Tx beam and different Rx antenna panels.
  • BRS-RP Beam Reference Signal
  • An eNB may then configure an index of the Rx antenna panels or Rx antenna ports for PDSCH and/or xPDSCH reception via RRC signaling.
  • the capability of a UE to support SUST may be reported to an eNB during a UE capability enquiry.
  • the SUST transmission mode might be merely applied to UEs with SUST reception capability and more than one Rx antenna panel.
  • Systems and methods for measurement with simultaneous receiving beamforming may relate to DL control signaling for measurement with simultaneous Rx beams, and Uplink Control Information (UCI) formats for BRS-RP reporting.
  • UCI Uplink Control Information
  • a number of Tx beams may be utilized on the eNB side.
  • a UE may measure the receiving power of each Tx beam based on a BRS and may report a BRS-RP via UCI.
  • Rx beamforming may be used by a UE to enhance a link budget and coverage.
  • an antenna panel with a higher BRS-RP may perform as a cell center UE, and another antenna panel with lower BRS-RP may perform as a cell edge UE. Reporting all BRS-RPs as measured along each Rx beam may slightly increase the overhead of UCI. However, accounting for different BRS-RPs for different antenna panels and along different Rx beams for each antenna panel may enhance SUST, which may be similar to MUST.
  • Fig. 2 illustrates a Single User Superimposed Transmission (SUST) scenario, in accordance with some embodiments of the disclosure.
  • an eNB 210 may transmit along any of a plurality of Tx beams 211 in the general direction of a UE 220, such as through MIMO-based beamforming.
  • UE 220 may have multiple directional receiving panels, which may include a primary antenna panel 221 and a secondary antenna panel 222.
  • Primary antenna panel 221 and secondary antenna panel 222 may receive along any of a plurality of Rx.
  • Primary antenna panel 221 may perform similarly to a cell center UE and secondary antenna panel 222 may perform similarly to a cell edge UE.
  • eNB 210 may transmit a physical downlink shared channel (e.g., PDSCH and/or xPDSCH) in an SUST manner.
  • UE 220 may then decode the PDSCH and/or xPDSCH with an advanced receiver, such as an SIC receiver.
  • UE 220 may measure a BRS-RP in each Tx beam with a single Rx beam, or with non-simultaneous Rx beams. Up to N BRS-RPs may be reported via UCI (in some embodiments, for example, N may be 8) .
  • a BRS-RP reporting structure may include the following information:
  • Cell ID which may indicate the cell for which BRS has been measured
  • BRS index which may be equal to the BRS ID for the measured BRS sequence
  • Subframe index which may be used to indicate the subframe index for the measured BRS.
  • a UE may have two antenna panels that support directional Receiving (Rx) beamforming, with different Rx beams being utilized in different antenna panels. Different BRS-RPs may then be observed for each antenna panels. Table 1 below shows an example of BRS-RP results, in which a Tx beam 2 may be selected to be the best Tx beam as the highest BRS-RP is acquired.
  • An Rx beam 2 of antenna panel 1 may be the best Rx beam for antenna panel 1
  • an Rx beam 4 of antenna panel 2 may be the best Rx beam for antenna panel 2.
  • a BRS-RP reporting structure may include the following information:
  • Cell ID which may indicate the cell for which BRS has been measured
  • BRS index which may be equal to the BRS ID for the measured BRS sequence
  • Subframe index which may be used to indicate a subframe index for the measured BRS.
  • a BRS-RP reporting structure may include the following information:
  • Cell ID which may indicate the cell for which BRS has been measured
  • BRS index which may be equal to the BRS ID for the measured BRS sequence
  • BRS-RP difference between the BRS-RP value for the first antenna panel and a BRS-RP value for a second antenna panel
  • Subframe index which may be used to indicate the subframe index for the measured BRS.
  • ⁇ may be a sign-less number, and may represent an absolute value or magnitude of a difference between BRS-RP values for two antenna panels.
  • a BRS-RP difference between antenna panels may be quantized and represented by one or more bits in accordance with a pre-defined table (e.g., a table per specification) .
  • a pre-defined table e.g., a table per specification
  • Table 2 one example for the BRS-RP difference indication
  • a UE may maintain two Rx beams in each antenna panel to support beam switching.
  • One Rx beam may be used for current data and control receiving, and may be designated as a current Rx beam.
  • the other Rx beam may be used for measurement and beam switching, and may be designated as a candidate Rx beam.
  • a BRS-RP reporting structure may include the following information:
  • Cell ID which may indicate the cell for which BRS has been measured
  • BRS index which may be equal to the BRS ID for the measured BRS sequence
  • Subframe index which may be used to indicate the subframe index for the measured BRS.
  • the Rx beam indicator for the first antenna panel and the Rx beam indicator for the second antenna panel may be one-bit indicators, where a value of “0” (or a value of “1” in alternate embodiments) may indicate that the BRS-RP for the antenna panel is measured from a current Rx beam, and a value of “1” (or a value of “0” in the alternate embodiments) may indicate that the BRS-RP for the antenna panel is measured from a candidate Rx beam.
  • BRS-RP reporting structures such as those discussed above may be applied if a UE’s capability for simultaneous Rx beamforming and use of multiple antenna panels is reported.
  • TP inter-Transmission Point
  • An eNB may then make use of information regarding combined BRS-RPs.
  • M BRS-RP values may be reported by a BRS-RP reporting structure such as those discussed above, and the remaining BRS-RPs may be a combined BRS-RP.
  • the value of M may be configured by the system, such as by high layer signaling or Downlink Control Information (DCI) .
  • DCI Downlink Control Information
  • a one-bit indicator for a BRS-RP reporting structure may be added in the DCI, where a value of “0” (or a value of “1” in alternate embodiments) may indicate a prior art BRS-RP reporting structure may be used, and a value of “1” (or a value of “0” in the alternate embodiments) may indicate a BRS-RP reporting structure such as those discussed above may be used.
  • a maximum number of new BRS-RPs in one UCI may be configured by the system or higher layer signaling.
  • Superimposed transmission is an attractive technology for utilizing a channel quality gap between different receivers to support concurrent transmission in the same spatial direction, and thereby improve effective data ranks in spatially rank-deficient channels.
  • superimposed transmission may be useful when users cannot be separated in the spatial domain.
  • the number of RF chains called for to support superimposed transmission may also be reduced compared to that of spatial multiplexing for the same number of data layers.
  • superimposed transmission may reconstruct transmitted data of a poor user, and may perform successive interference cancellation before demodulating its own data.
  • SINR signal to interference and noise
  • a UE may be equipped with multiple antenna panels, so as to obtain better beamforming gain and avoid coverage holes.
  • Boresight directions and/or broadside directions of different panels may be at angles with respect to each other, and may even be at a 180-degree angle with respect to each other if two panels are mounted on opposite sides of a UE.
  • a boresight direction of a first panel may align to an LoS direction to a serving eNB, while a boresight direction of a second panel may point in an opposite direction.
  • a link gain between the eNB and the first panel may be much stronger than a link gain between the eNB and the second panel.
  • the channel may also be in a LoS condition which lacks spatial richness to support high rank spatial multiplexing.
  • SUST may advantageously realized under these conditions.
  • two data symbols may be transmitted with different transmit power, and there may be mutual inference between two superimposed data symbols.
  • a transmit power of the two superimposed data symbols may be carefully scaled according to a link gain difference, so as to provide for correct demodulation at two Rx panels.
  • two power scaling factors p 1 and p 2 may be estimated by an eNB according to reported BRS-RP or reported Channel Quality Indicator (CQI) and/or Modulation and Coding Scheme (MCS) measured from the same non-zero power (NZP) Channel State Information (CSI) Reference Signal (CSI-RS) .
  • CQI Channel Quality Indicator
  • MCS Modulation and Coding Scheme
  • Reference Signal Receiving Powers may differ greatly, which may provide a basis for single user super imposed transmission (SUST) .
  • SUST single user super imposed transmission
  • y i may be a 2 ⁇ 1 received signal vector of Rx panel i;
  • W rx, i may be a 2 ⁇ N r Rx analog beamforming matrix of Rx panel i;
  • H i may be an N r ⁇ N t channel matrix between Rx panel i and the single Tx panel;
  • W tx may be an N t ⁇ 2 Tx analog beamforming matrix of single Tx panel
  • P 2 may be a 2 ⁇ 1 precoder for the second codeword and may be simply set to the same as P 1, 1 or P 1, 2 ;
  • x i may be one or more data symbols of one or more codewords intended for Rx panel i;
  • x may be a superimposed data symbol of both Rx panels
  • n i may be a 2 ⁇ 1 noise vector
  • N r may be a number of receive antennas
  • N t may be a number of transmit antennas.
  • a transmit power of two codewords may be calculated according to a link quality gap of different Rx panels, so as to provide that the mutual interference from each other is acceptable and may not affect a final correct demodulation. Since the transmit power may be adjusted and the mutual interference may be introduced, channel quality measurement and MCS calculation may be greatly impacted. Discussed below are various ways to accurately measure CSI in an SUST environment, and to determine MCS of different superimposed data symbols, where:
  • x 1 may be an outer data symbol, which may be transmitted using less than half of the total power in the superimposed data symbol
  • x 2 may be an inner data symbol, which may be transmitted using more than half of the total power in the superimposed data symbol.
  • an eNB may configure two CSI processes having the same list of NZP CSI-RS and Interference Measurement Resources (IMRs) , and the eNB may configure a UE to report the same CSI-RS resource indicator (CRI) for both processes.
  • IMRs Interference Measurement Resources
  • An eNB may, in some embodiments, configure two CSI processes to have the same list of NZP CSI-RS and IMRs, and the eNB may mandate the same CRI or different CRI for both CSI processes in the DCI using, for example, a one-bit CRI search indicator.
  • a bit value of “0” (or “1” in alternate embodiments) may indicate that a UE should report the same CRI for both CSI processes, and a bit value of “1” (or “0” in the alternate embodiments) may indicate that the UE should report different CRI for both CSI processes.
  • Fig. 3 illustrates a flow chart 300 for deriving an SUST Modulation and Coding Scheme (MCS) from a non-SUST Channel Quality Indicator (CQI) , in accordance with some embodiments of the disclosure.
  • An eNB 310 may configure a UE 320 for CSI-RS transmission.
  • the CSI-RS which may be two ports per NZP resource, may be transmitted with unit power.
  • UE 320 may derive CSI assuming rank one or two PDSCH and/or xPDSCH transmission per CSI process.
  • eNB 310 may then derive the SUST MCS from the reported CSIs of two simultaneous Rx beams by properly scaling the signal and interference from the reported non-SUST CQI for data transmission.
  • a one-bit CRI search indicator may be encoded with other existing fields in the DCI. Assuming a beam search algorithm field in the DCI, one value point of the BSA field may be interpreted to request CSI from two CSI processes for the same CRI.
  • Fig. 4 illustrates a flow chart 400 for deriving Channel State Information (CSI) assuming SUST transmission, in accordance with some embodiments of the disclosure.
  • An eNB 410 may configure a UE 420 for CSI-RS transmission.
  • UE 420 may derive CSI measurements assuming SUST transmission of PDSCH and/or xPDSCH.
  • CSI corresponding to an inner data symbol may be measured by taking both the power P 1 of the inner data symbol and the power P 2 of an outer data symbol into consideration.
  • CSI corresponding to the outer data symbol may be measured by taking both the power P 1 of the inner data symbol and the power P 2 of an outer data symbol into consideration.
  • Detailed algorithms may be up to implementation by UE 420, as they may relate to how the interference cancelation receiver is designed.
  • CSI for both the inner data symbol and outer data symbol may then be fed back to eNB 410 assuming SUST transmission.
  • an eNB may configure two CSI processes having the same list of NZP CSI-RS and IMRs, where a hypothetical Tx power scaling Pc may be configured for each CSI process.
  • the eNB may configure the first CSI process assuming the PDSCH and/or xPDSCH transmission is for an inner data symbol with a higher Pc, and may configure the second CSI process assuming the PDSCH and/or xPDSCH transmission is for an outer data symbol with a lower Pc.
  • a one-bit indicator may be added into a CSI-Process Information Element (IE) , in some embodiments, to explicitly inform a UE whether a CSI process is for an inner data symbol or an outer data symbol.
  • IE CSI-Process Information Element
  • an eNB may configure two CSI processes, and may additionally configure power scaling factors for inner data symbols and outer data symbols in an implicit or explicit way for both CSI processes.
  • an inner-data-symbol-specific grouping and/or an outer-data-symbol-specific antenna port grouping for SUST may be configured by higher layer signaling.
  • the transmit power of the inner data symbol and outer data symbol may then be implicitly indicated by scaling different powers on different CSI-RSs APs according to the inner data symbol or outer data symbol in the SUST transmission.
  • Fig. 5 illustrates Channel State Information (CSI) Reference Signal (CSI-RS) symbols for channel measurement of inner data symbols and outer data symbols, in accordance with some embodiments of the disclosure.
  • a plurality of CSI-RS symbols 510 may include a set of first CSI-RS symbols 511 and a set of second CSI-RS symbols 512.
  • First CSI-RS symbols 511 may be for inner data symbols of an SUST transmission
  • second CSI-RS symbols 512 may be for outer data symbols of an SUST transmission.
  • Various Antenna Ports (APs) 520 may be mapped to first CSI-RS symbols 511 and second CSI-RS symbols 512.
  • APs Antenna Ports
  • one NZP CSI-RS may contain APs15, 16, 23, and 24.
  • APs 15 and 16 in a first CSI-RS symbol may be for channel measurement of an inner data symbol
  • APs 23 and 24 in a second CSI-RS symbol may be for channel measurement of an outer data symbol.
  • deriving CSI for an inner data symbol a UE may also measure an outer data symbol to derive inter-symbol interference.
  • deriving CSI for an outer data symbol a UE may also measure an inner data symbol to derive inter-symbol interference.
  • the detailed CSI deriving algorithm may be up to UE implementation.
  • Various embodiments may have two NZP CSI-RSs, with two ports per NZP CSI-RS, and may be configured in one CSI-RS process with one for the inner data symbol and one for the outer data symbol.
  • APs for an outer data symbol and an inner data symbol may be frequency division multiplexed in the same CSI-RS symbol.
  • APs 15 and 16 may be for inner data symbols
  • APs 17 and 18 may be for outer data symbols.
  • whether a power scaling may be applied to each NZP CSI-RS, for inner data symbols or outer data symbols, may be indicated in the DCI.
  • One SUST CSI-RS power scaling indicator may be included in the DCI. When this bit is set to a value of “0” (or “1” in alternate embodiments) , the SUST power scaling may be disabled and all NZP CSI-RS may be treated equally by each CSI process. A UE may then derive CSI assuming non-SUST transmission. When this bit is set to a value of “1” (or “0” in alternate embodiments) , SUST power scaling may be applied to each NZP CSI-RS, and the UE may derive CSI assuming SUST transmission. This may advantageously facilitate dynamic PDSCH and/or xPDSCH hypothesis switching without high layer reconfiguration.
  • Various embodiments may employ different power scaling factors that may be applied to Code Division Multiplexing (CDM) based CSI-RS ports. For example, two orthogonal sequences s 1 and s 2 may be multiplied by power scaling factors and The combined signal may then be mapped to two resource elements for two CSI-RS ports.
  • the sequence information may be configured by eNB through high layer signaling.
  • a transmit power of each NZP CSI-RS might not be scaled, and power scaling factors to derive the CQI of the inner data symbol and outer data symbol may be hypothetical and may be configured by high layer signaling.
  • An eNB may configure power scaling of inner data symbols and outer data symbols for both CSI processes as one pair of values P 1 and P 2 .
  • the eNB may merely configure power scaling of inner data symbols or outer data symbols using a single value P 1 or P 2 , and the other value (P 2 or P 1 ) may be inferred.
  • an eNB may configure multiple pairs of hypothetical power scaling values for a UE to choose from in deriving SUST CQI. In some embodiments, an eNB may use an additional field in the DCI to choose from among various higher-layer-configured power scaling values. In various embodiments, a UE may select one power scaling factor out of multiple candidate power scaling factors, and may report it back to an eNB in SUST CSI using a new UCI type: an SUST power control indicator (SPCI) .
  • SPCI SUST power control indicator
  • an eNB may configure a UE with two CSI processes with the same list of NZP CSI-RS resources and IMRs.
  • the UE may report CRI and/or Rank Indicator (RI) and/or Pre-coding Matrix Indicator (PMI) and/or CQI for each CSI processes.
  • the UE may recommend SUST or non-SUST transmission by recommending the same CRI from both CSI processes.
  • the UE When the UE recommends SUST transmission, it may recommend the same CRI from both CSI processes.
  • the UE may derive CSI assuming SUST transmission according to what is defined in CSI process 1 or CSI process 2.
  • the UE may recommend non-SUST transmission, by recommending different CRI from both CSI processes. If those CRI correspond to spatially-uncorrelated Tx beams, the UE may recommend dual-beam operation or beam aggregation. Otherwise, the UE may recommend beam interpolation among two spatially correlated Tx beams.
  • an eNB may configure one CSI process and may add a one-bit indicator in the downlink DCI to mandate that a UE report one CQI for single beam transmission assuming non-SUST transmission, or two CQIs assuming SUST transmission.
  • the configured CSI-process in some embodiments, may contain CSI reports measured from multiple simultaneous Rx beams, e.g., two Rx beams.
  • the CSI report may be for one Tx beam, and two Rx beams may contain the following information:
  • the RI and/or PMI and/or CQI on the first Rx beam are RI and/or PMI and/or CQI on the first Rx beam;
  • the index of SUST power scaling factor may be reported.
  • the CSI report may be for two Tx beams, and two Rx beams may contain the following information:
  • the CQI of the second Tx beam may be encoded by its absolute value or by the difference with the CQI of the first Tx beam.
  • Fig. 6 illustrates an embodiment of an eNB and an embodiment of a UE, in accordance with some embodiments of the disclosure.
  • Fig. 6 includes block diagrams of an eNB 610 and a UE 630 which are operable to co-exist with each other and other elements of an LTE network. High-level, simplified architectures of eNB 610 and UE 630 are described so as not to obscure the embodiments. It should be noted that in some embodiments, eNB 610 may be a stationary non-mobile device.
  • eNB 610 is coupled to one or more antennas 605, and UE 630 is similarly coupled to one or more antennas 625. However, in some embodiments, eNB 610 may incorporate or comprise antennas 605, and UE 630 in various embodiments may incorporate or comprise antennas 625.
  • antennas 605 and/or antennas 625 may comprise one or more directional or omni-directional antennas, including monopole antennas, dipole antennas, loop antennas, patch antennas, microstrip antennas, coplanar wave antennas, or other types of antennas suitable for transmission of RF signals.
  • antennas 605 are separated to take advantage of spatial diversity.
  • eNB 610 and UE 630 are operable to communicate with each other on a network, such as a wireless network.
  • eNB 610 and UE 630 may be in communication with each other over a wireless communication channel 650, which has both a downlink path from eNB 610 to UE 630 and an uplink path from UE 630 to eNB 610.
  • eNB 610 may include a physical layer circuitry 612, a MAC (media access control) circuitry 614, a processor 616, a memory 618, and a hardware processing circuitry 620.
  • MAC media access control
  • physical layer circuitry 612 includes a transceiver 613 for providing signals to and from UE 630.
  • Transceiver 613 provides signals to and from UEs or other devices using one or more antennas 605.
  • MAC circuitry 614 controls access to the wireless medium.
  • Memory 618 may be, or may include, a storage media/medium such as a magnetic storage media (e.g., magnetic tapes or magnetic disks) , an optical storage media (e.g., optical discs) , an electronic storage media (e.g., conventional hard disk drives, solid-state disk drives, or flash-memory-based storage media) , or any tangible storage media or non-transitory storage media.
  • Hardware processing circuitry 620 may comprise logic devices or circuitry to perform various operations.
  • processor 616 and memory 618 are arranged to perform the operations of hardware processing circuitry 620, such as operations described herein with reference to logic devices and circuitry within eNB 610 and/or hardware processing circuitry 620.
  • UE 630 may include a physical layer circuitry 632, a MAC circuitry 634, a processor 636, a memory 638, a hardware processing circuitry 640, a wireless interface 642, and a display 644.
  • a person skilled in the art would appreciate that other components not shown may be used in addition to the components shown to form a complete UE.
  • physical layer circuitry 632 includes a transceiver 633 for providing signals to and from eNB 610 (as well as other eNBs) .
  • Transceiver 633 provides signals to and from eNBs or other devices using one or more antennas 625.
  • MAC circuitry 634 controls access to the wireless medium.
  • Memory 638 may be, or may include, a storage media/medium such as a magnetic storage media (e.g., magnetic tapes or magnetic disks) , an optical storage media (e.g., optical discs) , an electronic storage media (e.g., conventional hard disk drives, solid-state disk drives, or flash-memory-based storage media) , or any tangible storage media or non-transitory storage media.
  • Wireless interface 642 may be arranged to allow the processor to communicate with another device.
  • Display 644 may provide a visual and/or tactile display for a user to interact with UE 630, such as a touch-screen display.
  • Hardware processing circuitry 640 may comprise logic devices or circuitry to perform various operations. In some embodiments, processor 636 and memory 638 may be arranged to perform the operations of hardware processing circuitry 640, such as operations described herein with reference to logic devices and circuitry within UE 630 and/or hardware processing circuitry 640.
  • FIG. 6 depicts embodiments of eNBs, hardware processing circuitry of eNBs, UEs, and/or hardware processing circuitry of UEs, and the embodiments described with respect to Fig. 6 and Figs. 7-8, 11-12, and 15-16 can operate or function in the manner described herein with respect to any of the figures.
  • eNB 610 and UE 630 are each described as having several separate functional elements, one or more of the functional elements may be combined and may be implemented by combinations of software-configured elements and/or other hardware elements.
  • the functional elements can refer to one or more processes operating on one or more processing elements. Examples of software and/or hardware configured elements include Digital Signal Processors (DSPs) , one or more microprocessors, DSPs, Field-Programmable Gate Arrays (FPGAs) , Application Specific Integrated Circuits (ASICs) , Radio-Frequency Integrated Circuits (RFICs) , and so on.
  • DSPs Digital Signal Processors
  • FPGAs Field-Programmable Gate Arrays
  • ASICs Application Specific Integrated Circuits
  • RFICs Radio-Frequency Integrated Circuits
  • eNB 610 hardware processing circuitry 620
  • UE 630 hardware processing circuitry 640
  • FIG. 9-10, 13-14, and 17-18 are shown in a particular order, the order of the actions can be modified. Thus, the illustrated embodiments can be performed in a different order, and some actions may be performed in parallel. Some of the actions and/or operations listed in Figs. 9-10, 13-14, and 17-18 are optional in accordance with certain embodiments. The numbering of the actions presented is for the sake of clarity and is not intended to prescribe an order of operations in which the various actions must occur. Additionally, operations from the various flows may be utilized in a variety of combinations.
  • machine readable storage media may have executable instructions that, when executed, cause eNB 610 and/or hardware processing circuitry 620 to perform an operation comprising any of methods 900, 1300, and/or 1700.
  • machine readable storage media may have executable instructions that, when executed, cause UE 610 and/or hardware processing circuitry 640 to perform an operation comprising any of method 1000, 1400, and/or 1800.
  • Such machine readable storage media may include any of a variety of storage media, like magnetic storage media (e.g., magnetic tapes or magnetic disks) , optical storage media (e.g., optical discs) , electronic storage media (e.g., conventional hard disk drives, solid-state disk drives, or flash-memory-based storage media) , or any other tangible storage media or non-transitory storage media.
  • magnetic storage media e.g., magnetic tapes or magnetic disks
  • optical storage media e.g., optical discs
  • electronic storage media e.g., conventional hard disk drives, solid-state disk drives, or flash-memory-based storage media
  • any other tangible storage media or non-transitory storage media e.g., hard disk drives, solid-state disk drives, or flash-memory-based storage media
  • FIG. 7 illustrates hardware processing circuitry for an eNB for enabling an SUST Transmission Mode (TM) , in accordance with some embodiments of the disclosure.
  • a hardware processing circuitry 700 may comprise logic devices and/or circuitry operable to perform various operations.
  • eNB 610 (or various elements or components therein, such as hardware processing circuitry 620, or combinations of elements or components therein) may include part of, or all of, hardware processing circuitry 700.
  • processor 616 and memory 618 (and/or other elements or components of eNB 610) may be arranged to perform the operations of hardware processing circuitry 700, such as operations described herein with reference to devices and circuitry within hardware processing circuitry 700.
  • one or more devices or circuits of hardware processing circuitry 700 may be implemented by combinations of software-configured elements and/or other hardware elements.
  • hardware processing circuitry 700 may comprise one or more antenna ports 705 operable to provide various transmissions over a wireless communication channel (such as wireless communication channel 650) .
  • Antenna ports 705 may be coupled to one or more antennas 707 (which may be antennas 605) .
  • hardware processing circuitry 700 may incorporate antennas 707, while in other embodiments, hardware processing circuitry 700 may merely be coupled to antennas 707.
  • Antenna ports 705 and antennas 707 may be operable to provide signals from an eNB to a wireless communications channel and/or a UE, and may be operable to provide signals from a UE and/or a wireless communications channel to an eNB.
  • antenna ports 705 and antennas 707 may be operable to provide transmissions from eNB 610 to wireless communication channel 650 (and from there to UE 630, or to another UE) .
  • antennas 707 and antenna ports 705 may be operable to provide transmissions from a wireless communication channel 650 (and beyond that, from UE 630, or another UE) to eNB 610.
  • An apparatus of eNB 610 may be operable to communicate with a UE on a wireless network, and may comprise hardware processing circuitry 700.
  • the eNB (or other base station) may be a device comprising an application processor, a memory, one or more antenna ports, and an interface for allowing the application processor to communicate with another device.
  • hardware processing circuitry 700 may comprise a first circuitry 710, a second circuitry 720, a third circuitry 730, and a fourth circuitry 740.
  • First circuitry 710 may be configurable to enable an SUST TM.
  • First circuitry 710 may provide an SUST TM indicator 715 to second circuitry 720, third circuitry 730, and/or fourth circuitry 740.
  • First circuitry 710 may be configurable by RRC signaling to enable the SUST TM.
  • Second circuitry 720 may be operable to provide a plurality of codewords 725 for a DL shared channel transmission to a multiple-directional UE antenna-panel structure.
  • Example DL shared channel transmissions may include a PDSCH transmission or an xPDSCH transmission.
  • the shared channel transmission may include a first codeword for a first UE antenna panel of the multiple-directional UE antenna-panel structure and a second codeword for a second UE antenna panel of the multiple-directional UE antenna-panel structure.
  • a total power of the plurality of codewords may be 1.
  • Third circuitry 730 may be operable to provide a number of layers 735 assigned to at least two codewords of the plurality of codewords 725 for a DL assignment transmission. Third circuitry 730 may also be operable to provide an assignment of UE-RS antenna ports for at least two codewords of the plurality of codewords 725. In some embodiments, third circuitry 730 may be operable to provide a power allocation for at least two codewords of plurality of codewords 725 for a DL assignment transmission.
  • Fourth circuitry 740 may in turn be operable to transmit a DL assignment transmission, such as by transmitting the DL assignment transmission through antenna ports 705 and from there on to antennas 707.
  • first circuitry 710, second circuitry 720, third circuitry 730, and fourth circuitry 740 may be implemented as separate circuitries. In other embodiments, one or more of first circuitry 710, second circuitry 720, third circuitry 730, and fourth circuitry 740 may be combined and implemented together in a circuitry without altering the essence of the embodiments.
  • processor 616 (and/or one or more other processors which eNB 610 may comprise) may be arranged to perform the operations of first circuitry 710, second circuitry 720, third circuitry 730, and/or fourth circuitry 740.
  • first circuitry 710, second circuitry 720, third circuitry 730, and/or fourth circuitry 740 may accordingly be implemented by various combinations of software-configured elements (e.g., processor 616, and/or one or more other processors) and/or other hardware elements.
  • processor 616 and/or one or more other processors which eNB 610 may comprise
  • FIG. 8 illustrates hardware processing circuitry for a UE for enabling an SUST Transmission Mode (TM) , in accordance with some embodiments of the disclosure.
  • a hardware processing circuitry 800 may comprise logic devices and/or circuitry operable to perform various operations.
  • UE 630 (or various elements or components therein, such as hardware processing circuitry 640, or combinations of elements or components therein) may include part of, or all of, hardware processing circuitry 800.
  • processor 636 and memory 638 (and/or other elements or components of UE 630) may be arranged to perform various operations of hardware processing circuitry 800, such as operations described herein with reference to devices and circuitry within hardware processing circuitry 800.
  • one or more devices or circuits of hardware processing circuitry 800 may be implemented by combinations of software-configured elements and/or other hardware elements.
  • hardware processing circuitry 800 may comprise one or more antenna ports 805 operable to provide various transmissions over a wireless communication channel (such as wireless communication channel 650) .
  • Antenna ports 805 may be coupled to one or more antennas 807 (which may be antennas 605) .
  • hardware processing circuitry 800 may incorporate antennas 807, while in other embodiments, hardware processing circuitry 800 may merely be coupled to antennas 807.
  • Antenna ports 805 and antennas 807 may be operable to provide signals from a UE to a wireless communications channel and/or an eNB, and may be operable to provide signals from an eNB and/or a wireless communications channel to a UE.
  • antenna ports 805 and antennas 807 may be operable to provide transmissions from UE 630 to wireless communication channel 650 (and from there to eNB 610, or to another eNB) .
  • antennas 807 and antenna ports 805 may be operable to provide transmissions from a wireless communication channel 650 (and beyond that, from eNB 610, or another eNB) to UE 630.
  • An apparatus of UE 630 may be operable to communicate with an eNB on a wireless network, and may comprise hardware processing circuitry 800.
  • the UE (or other mobile handset) may be a device comprising an application processor, a memory, one or more antennas, a wireless interface for allowing the application processor to communicate with another device, and a touch-screen display.
  • hardware processing circuitry 800 may comprise a first circuitry 810, a second circuitry 820, a third circuitry 830, and a fourth circuitry 840.
  • First circuitry 810 may be configurable to enable an SUST TM, such as by providing SUST TM indicator 815 to second circuitry 820, third circuitry 830, and/or fourth circuitry 840.
  • First circuitry 810 may be configurable by RRC signaling to enable the SUST TM.
  • Second circuitry 820 may be operable to receive a plurality of codewords of a DL shared channel transmission, which may be received through antenna ports 805 and antennas 807.
  • the DL shared channel transmission may include a first codeword for a first antenna panel of a multiple-directional antenna-panel structure and a second codeword for a second antenna panel of the multiple-directional antenna-panel structure.
  • a total power of the plurality of codewords may be 1.
  • Third circuitry 830 may be operable to receive a DL assignment transmission 825. Third circuitry 830 may also be operable to assign an RS antenna port for at least two codewords of the plurality of codewords.
  • Fourth circuitry 840 may be operable to parse a number of layers assigned to at least two codewords of the plurality of codewords from DL assignment transmission 825. In some embodiments, fourth circuitry 840 may be operable to parse a power allocation for at least two codewords of plurality of codewords from DL assignment transmission 825.
  • first circuitry 810, second circuitry 820, third circuitry 830, and fourth circuitry 840 may be implemented as separate circuitries. In other embodiments, one or more of first circuitry 810, second circuitry 820, third circuitry 830, and fourth circuitry 840 may be combined and implemented together in a circuitry without altering the essence of the embodiments.
  • processor 636 (and/or one or more other processors which UE 630 may comprise) may be arranged to perform the operations of first circuitry 810, second circuitry 820, third circuitry 830, and/or fourth circuitry 840.
  • first circuitry 810, second circuitry 820, third circuitry 830, and/or fourth circuitry 840 may accordingly be implemented by various combinations of software-configured elements (e.g., processor 636, and/or one or more other processors) and/or other hardware elements.
  • processor 636 and/or one or more other processors which UE 630 may comprise
  • FIG. 9 illustrates methods for an eNB for enabling an SUST TM, in accordance with some embodiments of the disclosure.
  • a method 900 includes an enabling 910 and a providing 920.
  • an SUST TM may be enabled for an eNB.
  • a plurality of codewords may be provided for a downlink shared channel transmission to a multiple-directional UE antenna-panel structure.
  • the downlink shared channel transmission may be a PDSCH transmission or an xPDSCH transmission, for example.
  • the plurality of codewords may include a first codeword for a first UE antenna panel of the multiple-directional UE antenna-panel structure and a second codeword for a second UE antenna panel of the multiple-directional UE antenna-panel structure.
  • method 900 may include an enabling 930.
  • the SUST TM may be enabled by RRC signaling.
  • Various embodiments of method 900 may comprise a providing 940 and a transmitting 950.
  • a number of layers assigned to at least codewords of the plurality of codewords may be provided for a DL assignment transmission.
  • the DL assignment transmission may be transmitted, such as through antenna ports and/or antennas coupled to the eNB.
  • Some embodiments of method 900 may comprise a providing 960.
  • providing 960 an assignment of UE-RS antenna ports may be provided for at least two codewords of the plurality of codewords.
  • a total power of the plurality of codewords may be 1.
  • Fig. 10 illustrates methods for a UE for enabling an SUST TM, in accordance with some embodiments of the disclosure.
  • Method 1000 may comprise an enabling 1010 and a receiving 1020.
  • an SUST TM may be enabled for a UE.
  • receiving 1020 a plurality of codewords of a downlink shared channel transmission may be received.
  • the downlink shared channel transmission may be a PDSCH transmission or an xPDSCH transmission, for example.
  • the downlink shared channel transmission may include a first codeword for a first antenna panel of a multiple-directional antenna-panel structure, and may include a second codeword for a second antenna panel of the multiple-directional antenna-panel structure.
  • Some embodiments of method 1000 may include a receiving 1030 and a parsing 1040.
  • receiving 1030 a DL assignment transmission may be received.
  • parsing 1040 a number of layers assigned to at least two codewords of the plurality of codewords may be parsed from the DL assignment transmission.
  • method 1000 may include an assigning 1050.
  • an RS antenna port may be assigned for at least two codewords of the plurality of codewords.
  • a total power of the plurality of codewords may be 1.
  • Some embodiments may comprise a receiving 1060 and a parsing 1070.
  • receiving 1060 a DL assignment transmission may be received.
  • parsing 1070 a power allocation for at least two codewords of the plurality of codewords may be parsed from the DL assignment transmission.
  • Fig. 11 illustrates hardware processing circuitry for an eNB for determining a highest Beam Reference Signal (BRS) Receiving Power (BRS-RP) for a UE antenna panel, in accordance with some embodiments of the disclosure.
  • a hardware processing circuitry 1100 may comprise logic devices and/or circuitry operable to perform various operations.
  • eNB 610 (or various elements or components therein, such as hardware processing circuitry 620, or combinations of elements or components therein) may include part of, or all of, hardware processing circuitry 1100.
  • processor 616 and memory 618 may be arranged to perform the operations of hardware processing circuitry 1100, such as operations described herein with reference to devices and circuitry within hardware processing circuitry 1100.
  • processor 616 and memory 618 may be arranged to perform the operations of hardware processing circuitry 1100, such as operations described herein with reference to devices and circuitry within hardware processing circuitry 1100.
  • one or more devices or circuits of hardware processing circuitry 1100 may be implemented by combinations of software-configured elements and/or other hardware elements.
  • hardware processing circuitry 1100 may comprise one or more antenna ports 1105 operable to provide various transmissions over a wireless communication channel (such as wireless communication channel 650) .
  • Antenna ports 1105 may be coupled to one or more antennas 1107 (which may be antennas 605) .
  • hardware processing circuitry 1100 may incorporate antennas 1107, while in other embodiments, hardware processing circuitry 1100 may merely be coupled to antennas 1107.
  • Antenna ports 1105 and antennas 1107 may be operable to provide signals from an eNB to a wireless communications channel and/or a UE, and may be operable to provide signals from a UE and/or a wireless communications channel to an eNB.
  • antenna ports 1105 and antennas 1107 may be operable to provide transmissions from eNB 610 to wireless communication channel 650 (and from there to UE 630, or to another UE) .
  • antennas 1107 and antenna ports 1105 may be operable to provide transmissions from a wireless communication channel 650 (and beyond that, from UE 630, or another UE) to eNB 610.
  • An apparatus of eNB 610 may be operable to communicate with a UE on a wireless network, and may comprise hardware processing circuitry 1100.
  • the eNB (or other base station) may be a device comprising an application processor, a memory, one or more antenna ports, and an interface for allowing the application processor to communicate with another device.
  • hardware processing circuitry 1100 may comprise a first circuitry 1110, a second circuitry 1120, and a third circuitry 1130.
  • First circuitry 1110 may be operable to provide a BRS transmission to an antenna for transmission to a UE.
  • Second circuitry 1120 may be operable to receive a BRS-RP reporting transmission 1135.
  • Third circuitry 1130 may be operable to parse a highest BRS-RP value for a first UE antenna panel from received BRS-RP reporting transmission 1135.
  • BRS-RP reporting transmission 1135 may include one or more of a Cell ID, a BRS ID for the BRS transmission, and a subframe index for the BRS transmission.
  • third circuitry 1130 may be operable to parse from BRS-RP reporting transmission 1135 one or more of the Cell ID, the BRS ID for the BRS transmission, and the subframe index for the BRS transmission.
  • BRS-RP reporting transmission 1135 may include a highest BRS-RP value for a second UE antenna panel.
  • third circuitry 1130 may be operable to parse the highest BRS-RP value for the second UE antenna panel from BRS-RP reporting transmission 1135.
  • BRS-RP reporting transmission 1135 may include a BRS-RP difference indicator based upon a difference between the highest BRS-RP value for the first UE antenna panel and a highest BRS-RP value for a second UE antenna panel.
  • third circuitry 1130 may be operable to parse the BRS-RP difference indicator from BRS-RP reporting transmission 1135.
  • BRS-RP reporting transmission 1135 may include a first Rx beam indicator identifying a first UE antenna corresponding to the highest BRS-RP value for the first UE antenna panel, and may include a second Rx beam indicator identifying a second UE antenna corresponding to the highest BRS-RP value for the second antenna panel.
  • third circuitry 1130 may be operable to parse the first Rx beam indicator and the second Rx beam indicator from BRS-RP reporting transmission 1135.
  • BRS-RP reporting transmission 1135 may be a UCI transmission.
  • first circuitry 1110, second circuitry 1120, and third circuitry 1130 may be implemented as separate circuitries. In other embodiments, one or more of first circuitry 1110, second circuitry 1120, and third circuitry 1130 may be combined and implemented together in a circuitry without altering the essence of the embodiments.
  • processor 616 and/or one or more other processors which eNB 610 may comprise may be arranged to perform the operations of first circuitry 1110, second circuitry 1120, and/or third circuitry 1130.
  • first circuitry 1110, second circuitry 1120, and/or third circuitry 1130 may accordingly be implemented by various combinations of software-configured elements (e.g., processor 616, and/or one or more other processors) and/or other hardware elements.
  • processor 616 and/or one or more other processors which eNB 610 may comprise
  • FIG. 12 illustrates hardware processing circuitry for a UE for determining a highest BRS-RP for a UE antenna panel, in accordance with some embodiments of the disclosure.
  • a hardware processing circuitry 1200 may comprise logic devices and/or circuitry operable to perform various operations.
  • UE 630 (or various elements or components therein, such as hardware processing circuitry 640, or combinations of elements or components therein) may include part of, or all of, hardware processing circuitry 1200.
  • processor 636 and memory 638 (and/or other elements or components of UE 630) may be arranged to perform various operations of hardware processing circuitry 1200, such as operations described herein with reference to devices and circuitry within hardware processing circuitry 1200.
  • one or more devices or circuits of hardware processing circuitry 1200 may be implemented by combinations of software-configured elements and/or other hardware elements.
  • hardware processing circuitry 1200 may comprise one or more antenna ports 1205 operable to provide various transmissions over a wireless communication channel (such as wireless communication channel 650) .
  • Antenna ports 1205 may be coupled to one or more antennas 1207 (which may be antennas 605) .
  • hardware processing circuitry 1200 may incorporate antennas 1207, while in other embodiments, hardware processing circuitry 1200 may merely be coupled to antennas 1207.
  • Antenna ports 1205 and antennas 1207 may be operable to provide signals from a UE to a wireless communications channel and/or an eNB, and may be operable to provide signals from an eNB and/or a wireless communications channel to a UE.
  • antenna ports 1205 and antennas 1207 may be operable to provide transmissions from UE 630 to wireless communication channel 650 (and from there to eNB 610, or to another eNB) .
  • antennas 1207 and antenna ports 1205 may be operable to provide transmissions from a wireless communication channel 650 (and beyond that, from eNB 610, or another eNB) to UE 630.
  • An apparatus of UE 630 may be operable to communicate with an eNB on a wireless network, and may comprise hardware processing circuitry 1200.
  • the UE (or other mobile handset) may be a device comprising an application processor, a memory, one or more antennas, a wireless interface for allowing the application processor to communicate with another device, and a touch-screen display.
  • hardware processing circuitry 1200 may comprise a first circuitry 1210, a second circuitry 1220, and a third circuitry 1230.
  • First circuitry 1210 may be operable to receive a plurality of first BRSes, based on a BRS transmission as received through a plurality of first antennas of a first antenna panel, and may be operable to receive a plurality of second BRSes, based on the BRS transmission as received through a plurality of second antennas of a second antenna panel.
  • First circuitry 1210 may be operable to provide various BRSes 1215 (which may include one or more first BRSes and/or one or more second BRSes) to second circuitry 1220 and/or third circuitry 1230.
  • Second circuitry 1220 may be operable to a measure a BRS-RP value for at least one of the first BRSes, and may be operable to measure a BRS-RP value for at least one of the second BRSes.
  • Third circuitry 1230 may be operable to provide a BRS-RP reporting transmission 1235 including the highest BRS-RP value of the first BRSes as a highest BRS-RP value for the first antenna panel.
  • BRS-RP reporting transmission 1235 may include at least one of a Cell ID, a BRS ID for the measured BRS transmission, and a subframe index for the measured BRS transmission.
  • the BRS-RP reporting transmission may, in various embodiments, be a UCI transmission.
  • third circuitry 1230 may be operable to establish the highest BRS-RP value of the second BRSes as a highest BRS-RP value for the second antenna panel.
  • BRS-RP reporting transmission 1235 may include the highest BRS-RP value for the second antenna panel.
  • Third circuitry 1230 may, in various embodiments, be operable to establish the highest BRS-RP value of the second BRSes as a highest BRS-RP value for the second antenna panel, and may be operable to determine a BRS-RP difference indicator based upon a difference between the highest BRS-RP value for the first antenna panel and the highest BRS-RP value for the second antenna panel.
  • BRS-RP reporting transmission 1235 may include the BRS-RP difference indicator.
  • third circuitry 1230 may be operable to establish a first Rx beam indicator identifying the first antenna corresponding to the highest BRS-RP value for the first antenna panel, and may be operable to establish a second Rx beam indicator identifying the second antenna corresponding to the highest BRS-RP value for the second antenna panel.
  • BRS-RP reporting transmission 1235 may include the first Rx beam indicator and the second Rx beam indicator.
  • first circuitry 1210, second circuitry 1220, and third circuitry 1230 may be implemented as separate circuitries. In other embodiments, one or more of first circuitry 1210, second circuitry 1220, and third circuitry 1230 may be combined and implemented together in a circuitry without altering the essence of the embodiments.
  • processor 636 (and/or one or more other processors which UE 630 may comprise) may be arranged to perform the operations of first circuitry 1210, second circuitry 1220, and/or third circuitry 1230.
  • first circuitry 1210, second circuitry 1220, and/or third circuitry 1230 may accordingly be implemented by various combinations of software-configured elements (e.g., processor 636, and/or one or more other processors) and/or other hardware elements.
  • processor 636 and/or one or more other processors which UE 630 may comprise
  • Fig. 13 illustrates methods for an eNB for determining a highest BRS-RP for a UE antenna panel, in accordance with some embodiments of the disclosure.
  • Method 1300 may comprise a providing 1310, a receiving 1320, and a parsing 1330.
  • a BRS transmission may, for an eNB, be provided to an antenna for transmission to a UE.
  • a BRS-RP transmission may be received.
  • parsing 1330 a highest BRS-RP value for a first UE antenna panel may be parsed from the BRS-RP transmission.
  • Some embodiments of method 1300 may comprise a parsing 1340.
  • parsing 1340 at least one of a Cell ID, a BRS ID for the BRS transmission, and a subframe index for the BRS transmission may be parsed from the BRS-RP transmission.
  • Method 1300 may, in various embodiments, comprise a parsing 1350.
  • the BRS-RP reporting transmission may include a highest BRS-RP value for a second UE antenna panel.
  • the highest BRS-RP value for the second UE antenna panel may be parsed from the BRS-RP transmission.
  • method 1300 may comprise a parsing 1360, in which a BRS-RP difference indicator may be parsed from the BRS-RP transmission.
  • the BRS-RP difference indicator may be based upon a difference between the highest BRS-RP value for the first UE antenna panel and a highest BRS-RP value for a second UE antenna panel.
  • method 1300 may also comprise a parsing 1370, in which a first Rx beam indicator and a second Rx beam indicator may be parsed from the BRS-RP transmission.
  • the first Rx beam indicator may identify a first UE antenna corresponding to the highest BRS-RP value for the first UE antenna panel
  • the second Rx beam indicator may identify a second UE antenna corresponding to the highest BRS-RP value for the second antenna panel.
  • Fig. 14 illustrates methods for a UE for determining a highest BRS-RP for a UE antenna panel, in accordance with some embodiments of the disclosure.
  • Method 1400 may comprise a receiving 1410, a measuring 1420, and a providing 1430.
  • receiving 1410 a plurality of first BRSes and a plurality of second BRSes may be received for a UE.
  • the first BRSes may be based on a BRS transmission as received through a plurality of first antennas of a first antenna panel.
  • the second BRSes may be based on the BRS transmission as received through a plurality of second antennas of a second antenna panel.
  • a BRS-RP value may be measured for at least one of the first BRSes, and a BRS-RP value may be measured for at least one of the second BRSes.
  • a BRS-RP reporting transmission may include the highest BRS-RP value of the first BRSes as a highest BRS-RP value for the first antenna panel.
  • the BRS-RP reporting transmission may include at least one of: a Cell ID, a BRS ID for the measured BRS transmission, and a subframe index for the measured BRS transmission.
  • Various embodiments of method 1400 may comprise an establishing 1440.
  • the highest BRS-RP value of the second BRSes may be established as a highest BRS-RP value for the second antenna panel.
  • the BRS-RP reporting transmission may include the highest BRS-RP value for the second antenna panel.
  • method 1400 may comprise an establishing 1450 and a determining 1460.
  • the highest BRS-RP value of the second BRSes may be established as a highest BRS-RP value for the second antenna panel.
  • a BRS-RP difference indicator may be determined based upon a difference between the highest BRS-RP value for the first antenna panel and the highest BRS-RP value for the second antenna panel.
  • the BRS-RP reporting transmission may then include the BRS-RP difference indicator.
  • Such embodiments may also comprise an establishing 1470, in which a first Rx beam indicator and a second Rx beam indicator may be established.
  • the first Rx beam indicator may identify the first antenna corresponding to the highest BRS-RP value for the first antenna panel, and the second Rx beam indicator may identify the second antenna corresponding to the highest BRS-RP value for the second antenna panel.
  • the BRS-RP reporting transmission may then include the first Rx beam indicator and the second Rx beam indicator.
  • FIG. 15 illustrates hardware processing circuitry for an eNB for measuring channel quality for SUST transmissions, in accordance with some embodiments of the disclosure.
  • a hardware processing circuitry 1500 may comprise logic devices and/or circuitry operable to perform various operations.
  • eNB 610 (or various elements or components therein, such as hardware processing circuitry 620, or combinations of elements or components therein) may include part of, or all of, hardware processing circuitry 1500.
  • processor 616 and memory 618 (and/or other elements or components of eNB 610) may be arranged to perform the operations of hardware processing circuitry 1500, such as operations described herein with reference to devices and circuitry within hardware processing circuitry 1500.
  • one or more devices or circuits of hardware processing circuitry 1500 may be implemented by combinations of software-configured elements and/or other hardware elements.
  • hardware processing circuitry 1500 may comprise one or more antenna ports 1505 operable to provide various transmissions over a wireless communication channel (such as wireless communication channel 650) .
  • Antenna ports 1505 may be coupled to one or more antennas 1507 (which may be antennas 605) .
  • hardware processing circuitry 1500 may incorporate antennas 1507, while in other embodiments, hardware processing circuitry 1500 may merely be coupled to antennas 1507.
  • Antenna ports 1505 and antennas 1507 may be operable to provide signals from an eNB to a wireless communications channel and/or a UE, and may be operable to provide signals from a UE and/or a wireless communications channel to an eNB.
  • antenna ports 1505 and antennas 1507 may be operable to provide transmissions from eNB 610 to wireless communication channel 650 (and from there to UE 630, or to another UE) .
  • antennas 1507 and antenna ports 1505 may be operable to provide transmissions from a wireless communication channel 650 (and beyond that, from UE 630, or another UE) to eNB 610.
  • An apparatus of eNB 610 may be operable to communicate with a UE on a wireless network, and may comprise hardware processing circuitry 1500.
  • the eNB (or other base station) may be a device comprising an application processor, a memory, one or more antenna ports, and an interface for allowing the application processor to communicate with another device.
  • hardware processing circuitry 1500 may comprise a first circuitry 1510, a second circuitry 1520, a third circuitry 1540, and a fourth circuitry 1540.
  • First circuitry 1510 may be operable to provide a CSI process configuration transmission 1515 for measurement of at least a first data symbol.
  • Second circuitry 1520 may be operable to transmit CSI process configuration transmission 1515.
  • Third circuitry 1530 may be operable to transmit the first data symbol and a second data symbol in a downlink shared channel transmission, such as a PDSCH or an xPDSCH transmission.
  • a power used to transmit the first data symbol may be less than half of a total power used to transmit the first data symbol and the second data symbol, and a power used to transmit the second data symbol may be greater than half of the total power.
  • third circuitry 1530 may be operable to transmit the second data symbol super-imposed with the first data symbol.
  • Fourth circuitry 1540 may be operable to receive a CSI measurement report transmission for at least the first symbol. In various embodiments, fourth circuitry 1540 may be operable to receive a second CSI measurement report for the second symbol.
  • first circuitry 1510 may be operable to provide a first CSI process configuration transmission for measurement of the first data symbol and a second CSI process configuration transmission for measurement of the second data symbol.
  • second circuitry 1520 may be operable to transmit the first CSI process configuration transmission and the second CSI process configuration transmission.
  • the first CSI process configuration transmission and the second CSI process configuration transmission may specify the same list of NZPCSI-RS and IMR resources.
  • the CSI measurement report transmission may include at least one of a BRS-RP, a CQI, an MCS, a CRI, and a PMI.
  • first circuitry 1510, second circuitry 1520, third circuitry 1530, and fourth circuitry 1540 may be implemented as separate circuitries. In other embodiments, one or more of first circuitry 1510, second circuitry 1520, third circuitry 1530, and fourth circuitry 1540 may be combined and implemented together in a circuitry without altering the essence of the embodiments.
  • processor 616 and/or one or more other processors which eNB 610 may comprise may be arranged to perform the operations of first circuitry 1510, second circuitry 1520, third circuitry 1530, and/or fourth circuitry 1540.
  • first circuitry 1510, second circuitry 1520, third circuitry 1530, and/or fourth circuitry 1540 may accordingly be implemented by various combinations of software-configured elements (e.g., processor 616, and/or one or more other processors) and/or other hardware elements.
  • processor 616 and/or one or more other processors which eNB 610 may comprise
  • FIG. 16 illustrates hardware processing circuitry for a UE for measuring channel quality for SUST transmissions, in accordance with some embodiments of the disclosure.
  • a hardware processing circuitry 1600 may comprise logic devices and/or circuitry operable to perform various operations.
  • UE 630 (or various elements or components therein, such as hardware processing circuitry 640, or combinations of elements or components therein) may include part of, or all of, hardware processing circuitry 1600.
  • processor 636 and memory 638 (and/or other elements or components of UE 630) may be arranged to perform various operations of hardware processing circuitry 1600, such as operations described herein with reference to devices and circuitry within hardware processing circuitry 1600.
  • one or more devices or circuits of hardware processing circuitry 1600 may be implemented by combinations of software-configured elements and/or other hardware elements.
  • hardware processing circuitry 1600 may comprise one or more antenna ports 1605 operable to provide various transmissions over a wireless communication channel (such as wireless communication channel 650) .
  • Antenna ports 1605 may be coupled to one or more antennas 1607 (which may be antennas 605) .
  • hardware processing circuitry 1600 may incorporate antennas 1607, while in other embodiments, hardware processing circuitry 1600 may merely be coupled to antennas 1607.
  • Antenna ports 1605 and antennas 1607 may be operable to provide signals from a UE to a wireless communications channel and/or an eNB, and may be operable to provide signals from an eNB and/or a wireless communications channel to a UE.
  • antenna ports 1605 and antennas 1607 may be operable to provide transmissions from UE 630 to wireless communication channel 650 (and from there to eNB 610, or to another eNB) .
  • antennas 1607 and antenna ports 1605 may be operable to provide transmissions from a wireless communication channel 650 (and beyond that, from eNB 610, or another eNB) to UE 630.
  • An apparatus of UE 630 may be operable to communicate with an eNB on a wireless network, and may comprise hardware processing circuitry 1600.
  • the UE (or other mobile handset) may be a device comprising an application processor, a memory, one or more antennas, a wireless interface for allowing the application processor to communicate with another device, and a touch-screen display.
  • hardware processing circuitry 1600 may comprise a first circuitry 1610, a second circuitry 1620, a third circuitry 1630, and a fourth circuitry 1640.
  • First circuitry 1610 may be operable to receive a CSI process configuration transmission for measurement of at least a first data symbol.
  • Second circuitry 1620 may be operable to receive the first data symbol and a second data symbol in a downlink shared channel transmission. Second circuitry 1620 may then provide the first data symbol and the second data symbol as data symbols 1625 to third circuitry 1630. In some embodiments, the second data symbol may be super-imposed with the first data symbol.
  • Third circuitry 1630 may be operable to take a first CSI measurement for the first data symbol and a second CSI measurement for the second data symbol. Third circuitry 1630 may also provide the first data symbol and the second data symbol as data symbols 1645 to fourth circuitry 1640, which in turn may be operable to prepare a CSI measurement report transmission for at least the first data symbol. In some embodiments, fourth circuitry 1640 may be operable to prepare a second CSI measurement report for the second symbol.
  • the CSI measurement report transmission may include at least one of a BRS-RP, a CQI, an MCS, a CRI) , and a PMI.
  • first circuitry 1610 may be operable to receive a first CSI process configuration transmission for measurement of the first data symbol and a second CSI process configuration transmission for measurement of the second data symbol.
  • the first CSI process configuration transmission and the second CSI process configuration transmission may specify the same list of Non-Zero Power NZPCSI-RS and IMR resources.
  • first circuitry 1610, second circuitry 1620, third circuitry 1630, and fourth circuitry 1640 may be implemented as separate circuitries. In other embodiments, one or more of first circuitry 1610, second circuitry 1620, third circuitry 1630, and fourth circuitry 1640 may be combined and implemented together in a circuitry without altering the essence of the embodiments.
  • processor 636 (and/or one or more other processors which UE 630 may comprise) may be arranged to perform the operations of first circuitry 1610, second circuitry 1620, third circuitry 1630, and/or fourth circuitry 1640.
  • first circuitry 1610, second circuitry 1620, third circuitry 1630, and/or fourth circuitry 1640 may accordingly be implemented by various combinations of software-configured elements (e.g., processor 636, and/or one or more other processors) and/or other hardware elements.
  • processor 636 and/or one or more other processors which UE 630 may comprise
  • Method 1700 may comprise a providing 1710, a transmitting 1720, a transmitting 1730, and a receiving 1740.
  • a CSI process configuration transmission for measurement of at least a first data symbol may be provided for an eNB.
  • the CSI process configuration transmission may be transmitted.
  • the first data symbol and a second data symbol may be transmitted in a downlink shared channel transmission, such as a PDSCH transmission or an xPDSCH transmission.
  • a power used to transmit the first data symbol may be less than half of a total power used to transmit the first data symbol and the second data symbol, and a power used to transmit the second data symbol may be greater than half of the total power.
  • a CSI measurement report transmission for at least the first symbol may be received.
  • Method 1700 may also comprise a transmitting 1750, in which the second data symbol may be transmitted super-imposed with the first data symbol.
  • Some embodiments of method 1700 may comprise a providing 1760 and a transmitting 1770.
  • a first CSI process configuration transmission for measurement of the first data symbol and a second CSI process configuration transmission for measurement of the second data symbol may be provided.
  • the first CSI process configuration transmission and the second CSI process configuration transmission may be transmitted.
  • the first CSI process configuration transmission and the second CSI process configuration transmission may specify the same list of NZP CSI-RS and IMR resources.
  • method 1700 may comprise a receiving 1780, in which a second CSI measurement report for the second symbol may be received.
  • Fig. 18 illustrates methods for a UE for measuring channel quality for SUST transmissions, in accordance with some embodiments of the disclosure.
  • Method 1800 may comprise a receiving 1810, a receiving 1820, a taking 1830, and a preparing 1840.
  • a CSI process configuration transmission for measurement of at least a first data symbol may be received for a User Equipment (UE) .
  • UE User Equipment
  • the first data symbol and a second data symbol may be received in a downlink shared channel transmission, such as a PDSCH transmission, or an xPDSCH transmission.
  • a first CSI measurement for the first data symbol and a second CSI measurement for the second data symbol may be taken.
  • a CSI measurement report transmission for at least the first data symbol may be prepared.
  • the second data symbol may be superimposed with the first data symbol.
  • Method 1800 may in some embodiments include a receiving 1850, in which a first CSI process configuration transmission and a second CSI process configuration transmission may be received.
  • the first CSI process configuration transmission may be for measurement of the first data symbol
  • the second CSI process configuration transmission may be for measurement of the second data symbol.
  • the first CSI process configuration transmission and the second CSI process configuration transmission may specify the same list of NZP CSI-RS and IMR resources.
  • Various embodiments of method 1800 may also include a preparing 1860, in which a second CSI measurement report may be prepared for the second symbol.
  • Fig. 19 illustrates example components of a UE device 1900, in accordance with some embodiments of the disclosure.
  • the UE device 1900 may include application circuitry 1902, baseband circuitry 1904, Radio Frequency (RF) circuitry 1906, front-end module (FEM) circuitry 1908, a low-power wake-up receiver (LP-WUR) , and one or more antennas 1910, coupled together at least as shown.
  • the UE device 1900 may include additional elements such as, for example, memory/storage, display, camera, sensor, and/or input/output (I/O) interface.
  • I/O input/output
  • the application circuitry 1902 may include one or more application processors.
  • the application circuitry 1902 may include circuitry such as, but not limited to, one or more single-core or multi-core processors.
  • the processor (s) may include any combination of general-purpose processors and dedicated processors (e.g., graphics processors, application processors, etc. ) .
  • the processors may be coupled with and/or may include memory/storage and may be configured to execute instructions stored in the memory/storage to enable various applications and/or operating systems to run on the system.
  • the baseband circuitry 1904 may include circuitry such as, but not limited to, one or more single-core or multi-core processors.
  • the baseband circuitry 1904 may include one or more baseband processors and/or control logic to process baseband signals received from a receive signal path of the RF circuitry 1906 and to generate baseband signals for a transmit signal path of the RF circuitry 1906.
  • Baseband processing circuity 1904 may interface with the application circuitry 1902 for generation and processing of the baseband signals and for controlling operations of the RF circuitry 1906.
  • the baseband circuitry 1904 may include a second generation (2G) baseband processor 1904a, third generation (3G) baseband processor 1904b, fourth generation (4G) baseband processor 1904c, and/or other baseband processor (s) 1904d for other existing generations, generations in development or to be developed in the future (e.g., fifth generation (5G) , 6G, etc. ) .
  • the baseband circuitry 1904 e.g., one or more of baseband processors 1904a-d
  • the radio control functions may include, but are not limited to, signal modulation/demodulation, encoding/decoding, radio frequency shifting, etc.
  • modulation/demodulation circuitry of the baseband circuitry 1904 may include Fast-Fourier Transform (FFT) , precoding, and/or constellation mapping/demapping functionality.
  • FFT Fast-Fourier Transform
  • encoding/decoding circuitry of the baseband circuitry 1904 may include convolution, tail-biting convolution, turbo, Viterbi, and/or Low Density Parity Check (LDPC) encoder/decoder functionality.
  • LDPC Low Density Parity Check
  • the baseband circuitry 1904 may include elements of a protocol stack such as, for example, elements of an EUTRAN protocol including, for example, physical (PHY) , media access control (MAC) , radio link control (RLC) , packet data convergence protocol (PDCP) , and/or RRC elements.
  • a central processing unit (CPU) 1904e of the baseband circuitry 1904 may be configured to run elements of the protocol stack for signaling of the PHY, MAC, RLC, PDCP and/or RRC layers.
  • the baseband circuitry may include one or more audio digital signal processor (s) (DSP) 1904f.
  • DSP audio digital signal processor
  • the audio DSP (s) 1904f may be include elements for compression/decompression and echo cancellation and may include other suitable processing elements in other embodiments.
  • Components of the baseband circuitry may be suitably combined in a single chip, a single chipset, or disposed on a same circuit board in some embodiments.
  • some or all of the constituent components of the baseband circuitry 1904 and the application circuitry 1902 may be implemented together such as, for example, on a system on a chip (SOC) .
  • SOC system on a chip
  • the baseband circuitry 1904 may provide for communication compatible with one or more radio technologies.
  • the baseband circuitry 1904 may support communication with an evolved universal terrestrial radio access network (EUTRAN) and/or other wireless metropolitan area networks (WMAN) , a wireless local area network (WLAN) , a wireless personal area network (WPAN) .
  • EUTRAN evolved universal terrestrial radio access network
  • WMAN wireless metropolitan area networks
  • WLAN wireless local area network
  • WPAN wireless personal area network
  • multi-mode baseband circuitry Embodiments in which the baseband circuitry 1904 is configured to support radio communications of more than one wireless protocol.
  • RF circuitry 1906 may enable communication with wireless networks using modulated electromagnetic radiation through a non-solid medium.
  • the RF circuitry 1906 may include switches, filters, amplifiers, etc. to facilitate the communication with the wireless network.
  • RF circuitry 1906 may include a receive signal path which may include circuitry to down-convert RF signals received from the FEM circuitry 1908 and provide baseband signals to the baseband circuitry 1904.
  • RF circuitry 1906 may also include a transmit signal path which may include circuitry to up-convert baseband signals provided by the baseband circuitry 1904 and provide RF output signals to the FEM circuitry 1908 for transmission.
  • the RF circuitry 1906 may include a receive signal path and a transmit signal path.
  • the receive signal path of the RF circuitry 1906 may include mixer circuitry 1906a, amplifier circuitry 1906b and filter circuitry 1906c.
  • the transmit signal path of the RF circuitry 1906 may include filter circuitry 1906c and mixer circuitry 1906a.
  • RF circuitry 1906 may also include synthesizer circuitry 1906d for synthesizing a frequency for use by the mixer circuitry 1906a of the receive signal path and the transmit signal path.
  • the mixer circuitry 1906a of the receive signal path may be configured to down-convert RF signals received from the FEM circuitry 1908 based on the synthesized frequency provided by synthesizer circuitry 1906d.
  • the amplifier circuitry 1906b may be configured to amplify the down-converted signals and the filter circuitry 1906c may be a low-pass filter (LPF) or band-pass filter (BPF) configured to remove unwanted signals from the down-converted signals to generate output baseband signals.
  • Output baseband signals may be provided to the baseband circuitry 1904 for further processing.
  • the output baseband signals may be zero-frequency baseband signals, although this is not a requirement.
  • mixer circuitry 1906a of the receive signal path may comprise passive mixers, although the scope of the embodiments is not limited in this respect.
  • the mixer circuitry 1906a of the transmit signal path may be configured to up-convert input baseband signals based on the synthesized frequency provided by the synthesizer circuitry 1906d to generate RF output signals for the FEM circuitry 1908.
  • the baseband signals may be provided by the baseband circuitry 1904 and may be filtered by filter circuitry 1906c.
  • the filter circuitry 1906c may include a low-pass filter (LPF) , although the scope of the embodiments is not limited in this respect.
  • LPF low-pass filter
  • the mixer circuitry 1906a of the receive signal path and the mixer circuitry 1906a of the transmit signal path may include two or more mixers and may be arranged for quadrature downconversion and/or upconversion respectively.
  • the mixer circuitry 1906a of the receive signal path and the mixer circuitry 1906a of the transmit signal path may include two or more mixers and may be arranged for image rejection (e.g., Hartley image rejection) .
  • the mixer circuitry 1906a of the receive signal path and the mixer circuitry 1906a may be arranged for direct downconversion and/or direct upconversion, respectively.
  • the mixer circuitry 1906a of the receive signal path and the mixer circuitry 1906a of the transmit signal path may be configured for super-heterodyne operation.
  • the output baseband signals and the input baseband signals may be analog baseband signals, although the scope of the embodiments is not limited in this respect.
  • the output baseband signals and the input baseband signals may be digital baseband signals.
  • the RF circuitry 1906 may include analog-to-digital converter (ADC) and digital-to-analog converter (DAC) circuitry and the baseband circuitry 1904 may include a digital baseband interface to communicate with the RF circuitry 1906.
  • ADC analog-to-digital converter
  • DAC digital-to-analog converter
  • a separate radio IC circuitry may be provided for processing signals for each spectrum, although the scope of the embodiments is not limited in this respect.
  • the synthesizer circuitry 1906d may be a fractional-N synthesizer or a fractional N/N+1 synthesizer, although the scope of the embodiments is not limited in this respect as other types of frequency synthesizers may be suitable.
  • synthesizer circuitry 1906d may be a delta-sigma synthesizer, a frequency multiplier, or a synthesizer comprising a phase-locked loop with a frequency divider.
  • the synthesizer circuitry 1906d may be configured to synthesize an output frequency for use by the mixer circuitry 1906a of the RF circuitry 1906 based on a frequency input and a divider control input. In some embodiments, the synthesizer circuitry 1906d may be a fractional N/N+1 synthesizer.
  • frequency input may be provided by a voltage controlled oscillator (VCO) , although that is not a requirement.
  • VCO voltage controlled oscillator
  • Divider control input may be provided by either the baseband circuitry 1904 or the applications processor 1902 depending on the desired output frequency.
  • a divider control input (e.g., N) may be determined from a look-up table based on a channel indicated by the applications processor 1902.
  • Synthesizer circuitry 1906d of the RF circuitry 1906 may include a divider, a delay-locked loop (DLL) , a multiplexer and a phase accumulator.
  • the divider may be a dual modulus divider (DMD) and the phase accumulator may be a digital phase accumulator (DPA) .
  • the DMD may be configured to divide the input signal by either N or N+1 (e.g., based on a carry out) to provide a fractional division ratio.
  • the DLL may include a set of cascaded, tunable, delay elements, a phase detector, a charge pump and a D-type flip-flop.
  • the delay elements may be configured to break a VCO period up into Nd equal packets of phase, where Nd is the number of delay elements in the delay line.
  • Nd is the number of delay elements in the delay line.
  • synthesizer circuitry 1906d may be configured to generate a carrier frequency as the output frequency, while in other embodiments, the output frequency may be a multiple of the carrier frequency (e.g., twice the carrier frequency, four times the carrier frequency) and used in conjunction with quadrature generator and divider circuitry to generate multiple signals at the carrier frequency with multiple different phases with respect to each other.
  • the output frequency may be a LO frequency (fLO) .
  • the RF circuitry 1906 may include an IQ/polar converter.
  • FEM circuitry 1908 may include a receive signal path which may include circuitry configured to operate on RF signals received from one or more antennas 1910, amplify the received signals and provide the amplified versions of the received signals to the RF circuitry 1906 for further processing.
  • FEM circuitry 1908 may also include a transmit signal path which may include circuitry configured to amplify signals for transmission provided by the RF circuitry 1906 for transmission by one or more of the one or more antennas 1910.
  • the FEM circuitry 1908 may include a TX/RX switch to switch between transmit mode and receive mode operation.
  • the FEM circuitry may include a receive signal path and a transmit signal path.
  • the receive signal path of the FEM circuitry may include a low-noise amplifier (LNA) to amplify received RF signals and provide the amplified received RF signals as an output (e.g., to the RF circuitry 1906) .
  • the transmit signal path of the FEM circuitry 1908 may include a power amplifier (PA) to amplify input RF signals (e.g., provided by RF circuitry 1906) , and one or more filters to generate RF signals for subsequent transmission (e.g., by one or more of the one or more antennas 1910.
  • PA power amplifier
  • the UE 1900 comprises a plurality of power saving mechanisms. If the UE 1900 is in an RRC_Connected state, where it is still connected to the eNB as it expects to receive traffic shortly, then it may enter a state known as Discontinuous Reception Mode (DRX) after a period of inactivity. During this state, the device may power down for brief intervals of time and thus save power.
  • DRX Discontinuous Reception Mode
  • the UE 1900 may transition off to an RRC_Idle state, where it disconnects from the network and does not perform operations such as channel quality feedback, handover, etc.
  • the UE 1900 goes into a very low power state and it performs paging where again it periodically wakes up to listen to the network and then powers down again. Since the device might not receive data in this state, in order to receive data, it should transition back to RRC_Connected state.
  • An additional power saving mode may allow a device to be unavailable to the network for periods longer than a paging interval (ranging from seconds to a few hours) . During this time, the device is totally unreachable to the network and may power down completely. Any data sent during this time incurs a large delay and it is assumed the delay is acceptable.
  • first embodiment may be combined with a second embodiment anywhere the particular features, structures, functions, or characteristics associated with the two embodiments are not mutually exclusive.
  • DRAM Dynamic RAM
  • An example apparatus of an Evolved Node B (eNB) operable to communicate with a User Equipment (UE) on a wireless network comprising: one or more processors to: enable a Single User Superimposed Transmission (SUST) Transmission Mode (TM) ; and generate a plurality of codewords for a downlink shared channel transmission to a multiple-directional UE antenna-panel structure, including a first codeword for a first UE antenna panel of the multi-directional UE antenna-panel structure and a second codeword for a second UE antenna panel of the multiple-directional UE antenna-panel structure.
  • SUST Single User Superimposed Transmission
  • TM Transmission Mode
  • the eNB is configurable by Radio Resource Control (RRC) signaling to enable the SUST TM.
  • RRC Radio Resource Control
  • the one or more processors are further to: generate a number of layers assigned to at least two codewords of the plurality of codewords for a Downlink (DL) assignment transmission.
  • the one or more processors are further to: generate an assignment of UE-specific Reference Signal (UE-RS) antenna ports for at least two codewords of the plurality of codewords.
  • UE-RS UE-specific Reference Signal
  • a total power of the plurality of codewords is 1.
  • the one or more processors are further to: generate a power allocation for at least two codewords of the plurality of codewords for a Downlink (DL) assignment transmission.
  • An example eNB device comprises an application processor, a memory, one or more antenna ports, and an interface for allowing the application processor to communicate with another device, the eNB device including any of the exemplary apparatus described above.
  • An example machine readable storage media has machine executable instructions that, when executed, cause one or more processors to perform an operation comprising: enable, for an Evolved Node B (eNB) , a Single User Superimposed Transmission (SUST) Transmission Mode (TM) ; and generate a plurality of codewords for a downlink shared channel transmission to a multiple-directional UE antenna-panel structure, including a first codeword for a first UE antenna panel of the multiple-directional UE antenna-panel structure and a second codeword for a second UE antenna panel of the multiple-directional UE antenna-panel structure.
  • eNB Evolved Node B
  • SUST Single User Superimposed Transmission
  • TM Transmission Mode
  • the operation comprises: enable the SUST TM by Radio Resource Control (RRC) signaling.
  • the operation comprises: generate a number of layers assigned to at least two codewords of the plurality of codewords for a Downlink (DL) assignment transmission.
  • the operation comprises: generate an assignment of UE-specific Reference Signal (UE-RS) antenna ports for at least two codewords of the plurality of codewords.
  • UE-RS UE-specific Reference Signal
  • a total power of the plurality of codewords is 1.
  • An example method comprises: enabling, for an Evolved Node B (eNB) , a Single User Superimposed Transmission (SUST) Transmission Mode (TM) ; and generating a plurality of codewords for a downlink shared channel transmission to a multiple-directional UE antenna-panel structure, including a first codeword for a first UE antenna panel of the multiple-directional UE antenna-panel structure and a second codeword for a second UE antenna panel of the multiple-directional UE antenna-panel structure.
  • eNB Evolved Node B
  • SUST Single User Superimposed Transmission
  • TM Transmission Mode
  • a method comprises: enabling the SUST TM by Radio Resource Control (RRC) signaling.
  • RRC Radio Resource Control
  • a method comprises: generating a number of layers assigned to at least two codewords of the plurality of codewords for a Downlink (DL) assignment transmission.
  • a method comprises: generating an assignment of UE-specific Reference Signal (UE-RS) antenna ports for at least two codewords of the plurality of codewords.
  • UE-RS UE-specific Reference Signal
  • a total power of the plurality of codewords is 1.
  • An example machine readable storage media has machine executable instructions stored thereon that, when executed, cause one or more processors to perform any of the exemplary methods described above.
  • An example apparatus of an Evolved Node B (eNB) operable to communicate with a User Equipment (UE) on a wireless network comprising: means for enabling a Single User Superimposed Transmission (SUST) Transmission Mode (TM) ; and means for generating a plurality of codewords for a downlink shared channel transmission to a multiple-directional UE antenna-panel structure, including a first codeword for a first UE antenna panel of the multiple-directional UE antenna-panel structure and a second codeword for a second UE antenna panel of the multiple-directional UE antenna-panel structure.
  • SUST Single User Superimposed Transmission
  • TM Transmission Mode
  • an apparatus comprises: means for enabling the SUST TM by Radio Resource Control (RRC) signaling.
  • RRC Radio Resource Control
  • an apparatus comprises: means for generating a number of layers assigned to at least two codewords of the plurality of codewords for a Downlink (DL) assignment transmission.
  • an apparatus comprises: means for generating an assignment of UE-specific Reference Signal (UE-RS) antenna ports for at least two codewords of the plurality of codewords.
  • UE-RS UE-specific Reference Signal
  • a total power of the plurality of codewords is 1.
  • An example apparatus of a User Equipment (UE) operable to communicate with an Evolved Node B (eNB) on a wireless network comprising: one or more processors to: enable a Single User Superimposed Transmission (SUST) Transmission Mode (TM) ; process a plurality of codewords of a downlink shared channel transmission, including a first codeword for a first antenna panel of a multiple-directional antenna-panel structure and a second codeword for a second antenna panel of the multiple-directional antenna-panel structure.
  • SUST Single User Superimposed Transmission
  • TM Transmission Mode
  • the one or more processors are further to: process a Downlink (DL) assignment transmission; and parse from the DL assignment transmission a number of layers assigned to at least two codewords of the plurality of codewords. In some embodiments, the one or more processors are further to: assign a Reference Signal (RS) antenna port for at least two codewords of the plurality of codewords. In some embodiments, a total power of the plurality of codewords is 1. In some embodiments, the one or more processors are further to: process a Downlink (DL) assignment transmission; and parse from the DL assignment transmission a power allocation for at least two codewords of the plurality of codewords.
  • DL Downlink
  • DL Downlink
  • An example UE device comprises an application processor, a memory, one or more antennas, a wireless interface for allowing the application processor to communicate with another device, and a touch-screen display, the UE device including any of the exemplary apparatus described above.
  • An example machine readable storage media has machine executable instructions that, when executed, cause one or more processors to perform an operation comprising: enable, for a User Equipment (UE) , a Single User Superimposed Transmission (SUST) Transmission Mode (TM) ; process a plurality of codewords of a downlink shared channel transmission, including a first codeword for a first antenna panel of a multiple-directional antenna-panel structure and a second codeword for a second antenna panel of the multiple-directional antenna-panel structure.
  • UE User Equipment
  • SUST Single User Superimposed Transmission
  • TM Transmission Mode
  • the operation comprises: process a Downlink (DL) assignment transmission; and parse from the DL assignment transmission a number of layers assigned to at least two codewords of the plurality of codewords.
  • the operation comprises: assign a Reference Signal (RS) antenna port for at least two codewords of the plurality of codewords.
  • RS Reference Signal
  • a total power of the plurality of codewords is 1.
  • the operation comprises: process a Downlink (DL) assignment transmission; and parse from the DL assignment transmission a power allocation for at least two codewords of the plurality of codewords.
  • An example method comprises: enabling, for a User Equipment (UE) , a Single User Superimposed Transmission (SUST) Transmission Mode (TM) ; processing a plurality of codewords of a downlink shared channel transmission, including a first codeword for a first antenna panel of a multiple-directional antenna-panel structure and a second codeword for a second antenna panel of the multiple-directional antenna-panel structure.
  • UE User Equipment
  • SUST Single User Superimposed Transmission
  • TM Transmission Mode
  • a method comprises: processing a Downlink (DL) assignment transmission; and parsing from the DL assignment transmission a number of layers assigned to at least two codewords of the plurality of codewords.
  • a method comprises: assigning a Reference Signal (RS) antenna port for at least two codewords of the plurality of codewords.
  • RS Reference Signal
  • a total power of the plurality of codewords is 1.
  • a method comprises: processing a Downlink (DL) assignment transmission; and parsing from the DL assignment transmission a power allocation for at least two codewords of the plurality of codewords.
  • An example machine readable storage media has machine executable instructions stored thereon that, when executed, cause one or more processors to perform any of the exemplary methods described above.
  • An example apparatus of a User Equipment (UE) operable to communicate with an Evolved Node B (eNB) on a wireless network comprising: means for enabling a Single User Superimposed Transmission (SUST) Transmission Mode (TM) ; means for processing a plurality of codewords of a downlink shared channel transmission, including a first codeword for a first antenna panel of a multiple-directional antenna-panel structure and a second codeword for a second antenna panel of the multiple-directional antenna-panel structure.
  • SUST Single User Superimposed Transmission
  • TM Transmission Mode
  • an apparatus comprises: means for processing a Downlink (DL) assignment transmission; and means for parsing from the DL assignment transmission a number of layers assigned to at least two codewords of the plurality of codewords.
  • an apparatus comprises: means for assigning a Reference Signal (RS) antenna port for at least two codewords of the plurality of codewords.
  • RS Reference Signal
  • a total power of the plurality of codewords is 1.
  • an apparatus comprises: means for processing a Downlink (DL) assignment transmission; and means for parsing from the DL assignment transmission a power allocation for at least two codewords of the plurality of codewords.
  • An example apparatus of an Evolved Node B (eNB) operable to communicate with a User Equipment (UE) on a wireless network comprising: one or more processors to: generate a Beam Reference Signal (BRS) transmission to an antenna for transmission to the UE; process a BRS Receiving Power (BRS-RP) reporting transmission; and parse a highest BRS-RP value for a first UE antenna panel from the BRS-RP reporting transmission.
  • BRS Beam Reference Signal
  • BRS-RP BRS Receiving Power
  • the BRS-RP reporting transmission includes at least one of: a Cell ID, a BRS ID for the BRS transmission, or a subframe index for the BRS transmission; and the one or more processors are further to parse, from the BRS-RP reporting transmission, at least one of: the Cell ID, the BRS ID for the BRS transmission, or the subframe index for the BRS transmission.
  • the BRS-RP reporting transmission includes a highest BRS-RP value for a second UE antenna panel; and the one or more processors are further to parse the highest BRS-RP value for the second UE antenna panel from the BRS-RP reporting transmission.
  • the BRS-RP reporting transmission includes a BRS-RP difference indicator based upon a difference between the highest BRS-RP value for the first UE antenna panel and a highest BRS-RP value for a second UE antenna panel; and the one or more processors are further to parse the BRS-RP difference indicator from the BRS-RP reporting transmission.
  • the BRS-RP reporting transmission includes a first Rx beam indicator identifying a first UE antenna corresponding to the highest BRS-RP value for the first UE antenna panel, and includes a second Rx beam indicator identifying a second UE antenna corresponding to the highest BRS-RP value for the second antenna panel; and the one or more processors are further to parse the first Rx beam indicator and the second Rx beam indicator from the BRS-RP reporting transmission.
  • an apparatus comprises: the BRS-RP reporting transmission may be an Uplink Control Information (UCI) transmission.
  • UCI Uplink Control Information
  • An example eNB device comprises an application processor, a memory, one or more antenna ports, and an interface for allowing the application processor to communicate with another device, the eNB device including any of the exemplary apparatus described above.
  • An example machine readable storage media has machine executable instructions that, when executed, cause one or more processors to perform an operation comprising: generate, for an Evolved Node B (eNB) , a Beam Reference Signal (BRS) transmission to an antenna for transmission to the UE; process a BRS Receiving Power (BRS-RP) transmission; and parse a highest BRS-RP value for a first UE antenna panel from the BRS-RP transmission.
  • eNB Evolved Node B
  • BRS Beam Reference Signal
  • BRS-RP BRS Receiving Power
  • the operation comprises: parse, from the BRS-RP transmission, at least one of: a Cell ID, a BRS ID for the BRS transmission, or a subframe index for the BRS transmission.
  • the BRS-RP reporting transmission includes a highest BRS-RP value for a second UE antenna panel, the operation comprising: parse the highest BRS-RP value for the second UE antenna panel from the BRS-RP transmission.
  • the operation comprises: parse a BRS-RP difference indicator from the BRS-RP transmission, the BRS-RP difference indicator based upon a difference between the highest BRS-RP value for the first UE antenna panel and a highest BRS-RP value for a second UE antenna panel.
  • the operation comprises: parse, from the BRS-RP transmission, a first Rx beam indicator identifying a first UE antenna corresponding to the highest BRS-RP value for the first UE antenna panel, and a second Rx beam indicator identifying a second UE antenna corresponding to the highest BRS-RP value for the second antenna panel.
  • An example method comprises: generating, for an Evolved Node B (eNB) , a Beam Reference Signal (BRS) transmission to an antenna for transmission to the UE; processing a BRS Receiving Power (BRS-RP) transmission; and parsing a highest BRS-RP value for a first UE antenna panel from the BRS-RP transmission.
  • eNB Evolved Node B
  • BRS Beam Reference Signal
  • BRS-RP BRS Receiving Power
  • a method comprises: parsing, from the BRS-RP transmission, at least one of: a Cell ID, a BRS ID for the BRS transmission, or a subframe index for the BRS transmission.
  • the BRS-RP reporting transmission includes a highest BRS-RP value for a second UE antenna panel, comprising: parsing the highest BRS-RP value for the second UE antenna panel from the BRS-RP transmission.
  • a method comprises: parsing a BRS-RP difference indicator from the BRS-RP transmission, the BRS-RP difference indicator based upon a difference between the highest BRS-RP value for the first UE antenna panel and a highest BRS-RP value for a second UE antenna panel.
  • a method comprises: parsing, from the BRS-RP transmission, a first Rx beam indicator identifying a first UE antenna corresponding to the highest BRS-RP value for the first UE antenna panel, and a second Rx beam indicator identifying a second UE antenna corresponding to the highest BRS-RP value for the second antenna panel.
  • An example machine readable storage media has machine executable instructions stored thereon that, when executed, cause one or more processors to perform any of the exemplary methods described above.
  • An example apparatus of an Evolved Node B (eNB) operable to communicate with a User Equipment (UE) on a wireless network comprising: means for generating a Beam Reference Signal (BRS) transmission to an antenna for transmission to the UE; means for processing a BRS Receiving Power (BRS-RP) transmission; and means for parsing a highest BRS-RP value for a first UE antenna panel from the BRS-RP transmission.
  • BRS Beam Reference Signal
  • BRS-RP BRS Receiving Power
  • an apparatus comprises: means for parsing, from the BRS-RP transmission, at least one of: a Cell ID, a BRS ID for the BRS transmission, or a subframe index for the BRS transmission.
  • the BRS-RP reporting transmission includes a highest BRS-RP value for a second UE antenna panel, comprising: means for parsing the highest BRS-RP value for the second UE antenna panel from the BRS-RP transmission.
  • an apparatus comprises: means for parsing a BRS-RP difference indicator from the BRS-RP transmission, the BRS-RP difference indicator based upon a difference between the highest BRS-RP value for the first UE antenna panel and a highest BRS-RP value for a second UE antenna panel.
  • an apparatus comprises: means for parsing, from the BRS-RP transmission, a first Rx beam indicator identifying a first UE antenna corresponding to the highest BRS-RP value for the first UE antenna panel, and a second Rx beam indicator identifying a second UE antenna corresponding to the highest BRS-RP value for the second antenna panel.
  • An example apparatus of a User Equipment (UE) operable to communicate with an Evolved Node B (eNB) on a wireless network comprising: one or more processors to: process a plurality of first Beam Reference Signals (BRSes) , based on a BRS transmission as received through a plurality of first antennas of a first antenna panel, and to process a plurality of second BRSes, based on the BRS transmission as received through a plurality of second antennas of a second antenna panel; measure a BRS Receiving Power (BRS-RP) value for at least one of the first BRSes, and to measure a BRS-RP value for at least one of the second BRSes; and generate a BRS-RP reporting transmission including the highest BRS-RP value of the first BRSes as a highest BRS-RP value for the first antenna panel.
  • BRS-RP BRS Receiving Power
  • the BRS-RP reporting transmission includes at least one of: a Cell ID, a BRS ID for the measured BRS transmission, or a subframe index for the measured BRS transmission.
  • the one or more processors are further to establish the highest BRS-RP value of the second BRSes as a highest BRS-RP value for the second antenna panel; and the BRS-RP reporting transmission includes the highest BRS-RP value for the second antenna panel.
  • the one or more processors are further to establish the highest BRS-RP value of the second BRSes as a highest BRS-RP value for the second antenna panel, and are further to determine a BRS-RP difference indicator based upon a difference between the highest BRS-RP value for the first antenna panel and the highest BRS-RP value for the second antenna panel; and the BRS-RP reporting transmission includes the BRS-RP difference indicator.
  • the one or more processors are further to establish a first Rx beam indicator identifying the first antenna corresponding to the highest BRS-RP value for the first antenna panel, and are further to establish a second Rx beam indicator identifying the second antenna corresponding to the highest BRS-RP value for the second antenna panel; and the BRS-RP reporting transmission includes the first Rx beam indicator and the second Rx beam indicator.
  • the BRS-RP reporting transmission may be an Uplink Control Information (UCI) transmission.
  • UCI Uplink Control Information
  • An example UE device comprises an application processor, a memory, one or more antennas, a wireless interface for allowing the application processor to communicate with another device, and a touch-screen display, the UE device including any of the exemplary apparatus described above.
  • An example machine readable storage media has machine executable instructions that, when executed, cause one or more processors to perform an operation comprising: process, for a User Equipment (UE) , a plurality of first Beam Reference Signals (BRSes) based on a BRS transmission as received through a plurality of first antennas of a first antenna panel, and a plurality of second BRSes based on the BRS transmission as received through a plurality of second antennas of a second antenna panel; measure a BRS Receiving Power (BRS-RP) value for at least one of the first BRSes, and a BRS-RP value for at least one of the second BRSes; and generate a BRS-RP reporting transmission including the highest BRS-RP value of the first BRSes as a highest BRS-RP value for the first antenna panel.
  • UE User Equipment
  • BRSes Beam Reference Signals
  • BRS-RP BRS Receiving Power
  • the BRS-RP reporting transmission includes at least one of: a Cell ID, a BRS ID for the measured BRS transmission, or a subframe index for the measured BRS transmission.
  • the operation comprises: establish the highest BRS-RP value of the second BRSes as a highest BRS-RP value for the second antenna panel, the BRS-RP reporting transmission includes the highest BRS-RP value for the second antenna panel.
  • the operation comprises: establish the highest BRS-RP value of the second BRSes as a highest BRS-RP value for the second antenna panel; and determine a BRS-RP difference indicator based upon a difference between the highest BRS-RP value for the first antenna panel and the highest BRS-RP value for the second antenna panel, the BRS-RP reporting transmission includes the BRS-RP difference indicator.
  • the operation comprises: establish a first Rx beam indicator identifying the first antenna corresponding to the highest BRS-RP value for the first antenna panel, a second Rx beam indicator identifying the second antenna corresponding to the highest BRS-RP value for the second antenna panel, the BRS-RP reporting transmission includes the first Rx beam indicator and the second Rx beam indicator.
  • An example method comprises: processing, for a User Equipment (UE) , a plurality of first Beam Reference Signals (BRSes) based on a BRS transmission as received through a plurality of first antennas of a first antenna panel, and a plurality of second BRSes based on the BRS transmission as received through a plurality of second antennas of a second antenna panel; measuring a BRS Receiving Power (BRS-RP) value for at least one of the first BRSes, and a BRS-RP value for at least one of the second BRSes; and generating a BRS-RP reporting transmission including the highest BRS-RP value of the first BRSes as a highest BRS-RP value for the first antenna panel.
  • BRS-RP BRS Receiving Power
  • the BRS-RP reporting transmission includes at least one of: a Cell ID, a BRS ID for the measured BRS transmission, or a subframe index for the measured BRS transmission.
  • a method comprises: establishing the highest BRS-RP value of the second BRSes as a highest BRS-RP value for the second antenna panel, the BRS-RP reporting transmission includes the highest BRS-RP value for the second antenna panel.
  • a method comprises: establishing the highest BRS-RP value of the second BRSes as a highest BRS-RP value for the second antenna panel; and determining a BRS-RP difference indicator based upon a difference between the highest BRS-RP value for the first antenna panel and the highest BRS-RP value for the second antenna panel, the BRS-RP reporting transmission includes the BRS-RP difference indicator.
  • a method comprises: establishing a first Rx beam indicator identifying the first antenna corresponding to the highest BRS-RP value for the first antenna panel, a second Rx beam indicator identifying the second antenna corresponding to the highest BRS-RP value for the second antenna panel, the BRS-RP reporting transmission includes the first Rx beam indicator and the second Rx beam indicator.
  • An example machine readable storage media has machine executable instructions stored thereon that, when executed, cause one or more processors to perform any of the exemplary methods described above.
  • An example apparatus of a User Equipment (UE) operable to communicate with an Evolved Node B (eNB) on a wireless network comprising: means for processing a plurality of first Beam Reference Signals (BRSes) based on a BRS transmission as received through a plurality of first antennas of a first antenna panel, and a plurality of second BRSes based on the BRS transmission as received through a plurality of second antennas of a second antenna panel; means for measuring a BRS Receiving Power (BRS-RP) value for at least one of the first BRSes, and a BRS-RP value for at least one of the second BRSes; and means for generating a BRS-RP reporting transmission including the highest BRS-RP value of the first BRSes as a highest BRS-RP value for the first antenna panel.
  • BRS-RP BRS Receiving Power
  • the BRS-RP reporting transmission includes at least one of: a Cell ID, a BRS ID for the measured BRS transmission, or a subframe index for the measured BRS transmission.
  • an apparatus comprises: means for establishing the highest BRS-RP value of the second BRSes as a highest BRS-RP value for the second antenna panel, the BRS-RP reporting transmission includes the highest BRS-RP value for the second antenna panel.
  • an apparatus comprises: means for establishing the highest BRS-RP value of the second BRSes as a highest BRS-RP value for the second antenna panel; and means for determining a BRS-RP difference indicator based upon a difference between the highest BRS-RP value for the first antenna panel and the highest BRS-RP value for the second antenna panel, the BRS-RP reporting transmission includes the BRS-RP difference indicator.
  • an apparatus comprises: means for establishing a first Rx beam indicator identifying the first antenna corresponding to the highest BRS-RP value for the first antenna panel, a second Rx beam indicator identifying the second antenna corresponding to the highest BRS-RP value for the second antenna panel, the BRS-RP reporting transmission includes the first Rx beam indicator and the second Rx beam indicator.
  • An example apparatus of an Evolved Node B (eNB) operable to communicate with a User Equipment (UE) on a wireless network comprising: one or more processors to: generate a Channel State Information (CSI) process configuration transmission for measurement of at least a first data symbol; generate the first data symbol and a second data symbol in a downlink shared channel transmission, the first data symbol being transmitted using less than half of a total power used to transmit the first data symbol and the second data symbol, and the second data symbol being transmitted using greater than half of the total power; and process a CSI measurement report transmission for at least the first symbol.
  • CSI Channel State Information
  • the one or more processors are further to generate the second data symbol superimposed with the first data symbol. In some embodiments, the one or more processors are further to generate a first CSI process configuration transmission for measurement of the first data symbol and a second CSI process configuration transmission for measurement of the second data symbol. In some embodiments, the first CSI process configuration transmission and the second CSI process configuration transmission specify the same list of Non-Zero Power (NZP) CSI Reference Signal (CSI-RS) and Interference Measurement Resource (IMR) resources. In some embodiments, the one or more processors are further to process a second CSI measurement report for the second symbol.
  • NZP Non-Zero Power
  • CSI-RS CSI Reference Signal
  • IMR Interference Measurement Resource
  • the CSI measurement report transmission may include at least one of a Beam Reference Signal (BRS) Receiving Power (BRS-RP) , a Channel Quality Indication (CQI) , a Modulation and Coding Scheme (MCS) , a CSI Reference Signal (CSI-RS) Resource Indicator (CRI) , or a Pre-coding Matrix Indicator (PMI) .
  • BRS Beam Reference Signal
  • CQI Channel Quality Indication
  • MCS Modulation and Coding Scheme
  • CSI-RS CSI Reference Signal
  • CRI CSI Reference Signal
  • PMI Pre-coding Matrix Indicator
  • An example eNB device comprises an application processor, a memory, one or more antenna ports, and an interface for allowing the application processor to communicate with another device, the eNB device including any of the exemplary apparatus described above.
  • An example machine readable storage media has machine executable instructions that, when executed, cause one or more processors to perform an operation comprising: generate, for an Evolved Node-B (eNB) , a Channel State Information (CSI) process configuration transmission for measurement of at least a first data symbol; generate the CSI process configuration transmission; generate the first data symbol and a second data symbol in a downlink shared channel transmission, the first data symbol being transmitted using less than half of a total power used to transmit the first data symbol and the second data symbol, and the second data symbol being transmitted using greater than half of the total power; and process a CSI measurement report transmission for at least the first symbol.
  • eNB Evolved Node-B
  • CSI Channel State Information
  • the operation comprises: generate the second data symbol superimposed with the first data symbol. In some embodiments, the operation comprises: generate a first CSI process configuration transmission for measurement of the first data symbol and a second CSI process configuration transmission for measurement of the second data symbol. In some embodiments, the first CSI process configuration transmission and the second CSI process configuration transmission specify the same list of Non-Zero Power (NZP) CSI Reference Signal (CSI-RS) and Interference Measurement Resource (IMR) resources. In some embodiments, the operation comprises: process a second CSI measurement report for the second symbol.
  • NZP Non-Zero Power
  • CSI-RS CSI Reference Signal
  • IMR Interference Measurement Resource
  • An example method comprises: generating, for an Evolved Node-B (eNB) , a Channel State Information (CSI) process configuration transmission for measurement of at least a first data symbol; generating the CSI process configuration transmission; generating the first data symbol and a second data symbol in a downlink shared channel transmission, the first data symbol being transmitted using less than half of a total power used to transmit the first data symbol and the second data symbol, and the second data symbol being transmitted using greater than half of the total power; and processing a CSI measurement report transmission for at least the first symbol.
  • eNB Evolved Node-B
  • CSI Channel State Information
  • a method comprises: generating the second data symbol superimposed with the first data symbol. In some embodiments, a method comprises: generating a first CSI process configuration transmission for measurement of the first data symbol and a second CSI process configuration transmission for measurement of the second data symbol. In some embodiments, the first CSI process configuration transmission and the second CSI process configuration transmission specify the same list of Non-Zero Power (NZP) CSI Reference Signal (CSI-RS) and Interference Measurement Resource (IMR) resources. In some embodiments, a method comprises: processing a second CSI measurement report for the second symbol.
  • NZP Non-Zero Power
  • CSI-RS CSI Reference Signal
  • IMR Interference Measurement Resource
  • An example machine readable storage media has machine executable instructions stored thereon that, when executed, cause one or more processors to perform any of the exemplary methods described above.
  • An example apparatus of an Evolved Node B (eNB) operable to communicate with a User Equipment (UE) on a wireless network comprising: means for generating a Channel State Information (CSI) process configuration transmission for measurement of at least a first data symbol; means for generating the CSI process configuration transmission; means for generating the first data symbol and a second data symbol in a downlink shared channel transmission, the first data symbol being transmitted using less than half of a total power used to transmit the first data symbol and the second data symbol, and the second data symbol being transmitted using greater than half of the total power; and means for processing a CSI measurement report transmission for at least the first symbol.
  • CSI Channel State Information
  • an apparatus comprises: means for generating the second data symbol superimposed with the first data symbol. In some embodiments, an apparatus comprises: means for generating a first CSI process configuration transmission for measurement of the first data symbol and a second CSI process configuration transmission for measurement of the second data symbol. In some embodiments, the first CSI process configuration transmission and the second CSI process configuration transmission specify the same list of Non-Zero Power (NZP) CSI Reference Signal (CSI-RS) and Interference Measurement Resource (IMR) resources. In some embodiments, an apparatus comprises: means for processing a second CSI measurement report for the second symbol.
  • NZP Non-Zero Power
  • CSI-RS CSI Reference Signal
  • IMR Interference Measurement Resource
  • An example apparatus of a User Equipment (UE) operable to communicate with an Evolved Node B (eNB) on a wireless network comprising: one or more processors to: process a Channel State Information (CSI) process configuration transmission for measurement of at least a first data symbol; process the first data symbol and a second data symbol in a downlink shared channel transmission; take a first CSI measurement for the first data symbol and a second CSI measurement for the second data symbol; and prepare a CSI measurement report transmission for at least the first data symbol.
  • CSI Channel State Information
  • the second data symbol is superimposed with the first data symbol.
  • the one or more processors are further to process a first CSI process configuration transmission for measurement of the first data symbol and a second CSI process configuration transmission for measurement of the second data symbol.
  • the first CSI process configuration transmission and the second CSI process configuration transmission specify the same list of Non-Zero Power (NZP) CSI Reference Signal (CSI-RS) and Interference Measurement Resource (IMR) resources.
  • NZP Non-Zero Power
  • CSI-RS CSI Reference Signal
  • IMR Interference Measurement Resource
  • the one or more processors are further to prepare a second CSI measurement report for the second symbol.
  • the CSI measurement report transmission may include at least one of a Beam Reference Signal (BRS) Receiving Power (BRS-RP) , a Channel Quality Indication (CQI) , a Modulation and Coding Scheme (MCS) , a CSI Reference Signal (CSI-RS) Resource Indicator (CRI) , or a Pre-coding Matrix Indicator (PMI) .
  • BRS Beam Reference Signal
  • CQI Channel Quality Indication
  • MCS Modulation and Coding Scheme
  • CSI-RS CSI Reference Signal
  • CRI CSI Reference Signal
  • PMI Pre-coding Matrix Indicator
  • An example UE device comprises an application processor, a memory, one or more antennas, a wireless interface for allowing the application processor to communicate with another device, and a touch-screen display, the UE device including any of the exemplary apparatus described above.
  • An example machine readable storage media has machine executable instructions that, when executed, cause one or more processors to perform an operation comprising: process, for a User Equipment (UE) , a Channel State Information (CSI) process configuration transmission for measurement of at least a first data symbol; process the first data symbol and a second data symbol in a downlink shared channel transmission; take a first CSI measurement for the first data symbol and a second CSI measurement for the second data symbol; and prepare a CSI measurement report transmission for at least the first data symbol.
  • UE User Equipment
  • CSI Channel State Information
  • the second data symbol is superimposed with the first data symbol.
  • the operation comprises: process a first CSI process configuration transmission for measurement of the first data symbol and a second CSI process configuration transmission for measurement of the second data symbol.
  • the first CSI process configuration transmission and the second CSI process configuration transmission specify the same list of Non-Zero Power (NZP) CSI Reference Signal (CSI-RS) and Interference Measurement Resource (IMR) resources.
  • the operation comprises: prepare a second CSI measurement report for the second symbol.
  • An example method comprises: processing, for a User Equipment (UE) , a Channel State Information (CSI) process configuration transmission for measurement of at least a first data symbol; processing the first data symbol and a second data symbol in a downlink shared channel transmission; taking a first CSI measurement for the first data symbol and a second CSI measurement for the second data symbol; and preparing a CSI measurement report transmission for at least the first data symbol.
  • UE User Equipment
  • CSI Channel State Information
  • a method comprises: processing a first CSI process configuration transmission for measurement of the first data symbol and a second CSI process configuration transmission for measurement of the second data symbol.
  • the first CSI process configuration transmission and the second CSI process configuration transmission specify the same list of Non-Zero Power (NZP) CSI Reference Signal (CSI-RS) and Interference Measurement Resource (IMR) resources.
  • NZP Non-Zero Power
  • CSI-RS CSI Reference Signal
  • IMR Interference Measurement Resource
  • a method comprises: preparing a second CSI measurement report for the second symbol.
  • An example machine readable storage media has machine executable instructions stored thereon that, when executed, cause one or more processors to perform any of the exemplary methods described above.
  • An example apparatus of a User Equipment (UE) operable to communicate with an Evolved Node B (eNB) on a wireless network comprising: means for processing a Channel State Information (CSI) process configuration transmission for measurement of at least a first data symbol; means for processing the first data symbol and a second data symbol in a downlink shared channel transmission; means for taking a first CSI measurement for the first data symbol and a second CSI measurement for the second data symbol; and means for preparing a CSI measurement report transmission for at least the first data symbol.
  • CSI Channel State Information
  • an apparatus comprises: means for processing a first CSI process configuration transmission for measurement of the first data symbol and a second CSI process configuration transmission for measurement of the second data symbol.
  • the first CSI process configuration transmission and the second CSI process configuration transmission specify the same list of Non-Zero Power (NZP) CSI Reference Signal (CSI-RS) and Interference Measurement Resource (IMR) resources.
  • NZP Non-Zero Power
  • CSI-RS CSI Reference Signal
  • IMR Interference Measurement Resource
  • an apparatus comprises: means for preparing a second CSI measurement report for the second symbol.
  • the one or more processors of an apparatus may comprise a baseband processor.

Abstract

L'invention concerne un appareil d'un eNB comprenant un premier ensemble circuit pouvant être configuré pour permettre un mode de transmission (TM) en transmission superposée à utilisateur unique (SUST), et comprenant un ou plusieurs processeurs permettant de générer une pluralité de mots de code pour une transmission de canal partagé de liaison descendante vers une structure de panneaux d'antenne d'UE multidirectionnelle, comprenant un premier mot de code pour un premier panneau d'antenne de la structure de panneaux d'antenne d'UE multidirectionnelle et un second mot de code pour un second panneau d'antenne de la structure de panneaux d'antenne d'UE multidirectionnelle. L'invention concerne également un appareil d'un UE comprenant un ou plusieurs processeurs destinés à permettre un TM en SUST, et à traiter une pluralité de mots de code d'une transmission de canal partagé de liaison descendante, notamment un premier mot de code pour un premier panneau d'antenne de la structure de panneaux d'antenne d'UE multidirectionnelle et un second mot de code pour un second panneau d'antenne de la structure de panneaux d'antenne d'UE multidirectionnelle.
PCT/CN2016/078409 2015-11-12 2016-04-02 Système et procédé de mesure de qualité de canal en transmission superposée à utilisateur unique WO2017080132A1 (fr)

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US201562254363P 2015-11-12 2015-11-12
US62/254,363 2015-11-12
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CN2015096633 2015-12-08
CNPCT/CN2015/096633 2015-12-08

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CN112567776B (zh) * 2018-08-21 2022-03-29 华为技术有限公司 用于与多天线面板装置进行通信的系统和方法
CN112567776A (zh) * 2018-08-21 2021-03-26 华为技术有限公司 用于与多天线面板装置进行通信的系统和方法
WO2020038381A1 (fr) 2018-08-21 2020-02-27 Huawei Technologies Co., Ltd. Système et procédé de communication avec des dispositifs de panneau à antennes multiples
EP4038772A4 (fr) * 2019-10-03 2023-07-12 Nokia Technologies Oy Gestion de faisceaux
CN112839304A (zh) * 2019-11-22 2021-05-25 华为技术有限公司 通信方法及装置
EP3989453A1 (fr) * 2020-10-22 2022-04-27 Nokia Technologies Oy Appareil comprenant au moins un processeur
WO2022084085A3 (fr) * 2020-10-22 2022-06-09 Nokia Technologies Oy Appareil comprenant au moins un processeur
WO2023048864A1 (fr) * 2021-09-22 2023-03-30 Qualcomm Incorporated Rapport d'informations d'état de canal pour équipement utilisateur à panneaux multiples
US11916844B2 (en) 2021-09-22 2024-02-27 Qualcomm Incorporated Channel state information reporting for multiple panel user equipment

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