WO2018080863A1

WO2018080863A1 - Transmission parameter indication

Info

Publication number: WO2018080863A1
Application number: PCT/US2017/057128
Authority: WO
Inventors: Wook Bong Lee; Alexei Davydov; Miao HONGLEI; Hong He; Ralf Bendlin
Original assignee: Intel IP Corporation
Priority date: 2016-10-24
Filing date: 2017-10-18
Publication date: 2018-05-03

Abstract

Technology for wireless communication of transmission parameters used for data demodulation is disclosed. A UE can decode a physical-layer set of transmission parameters that are configured to be received via physical-layer signaling, wherein the physical-layer set of transmission parameters are configured to be used for decoding data received in a physical downlink channel. The UE can identify a default set of transmission parameters that are associated with a higher layer set of transmission parameters, wherein the default set of transmission parameters include additional parameters to the physical-layer set of transmission parameters, the additional parameters to be used for decoding the data received in the physical downlink channel. The UE can decode the data in the physical downlink channel using the physical-layer set of transmission parameters and one or more of the default set of transmission parameters and the higher layer set of transmission parameters.

Description

TRANSMISSION PARAMETER INDICATION

BACKGROUND

[0001] Wireless systems typically include multiple User Equipment (UE) devices communicatively coupled to one or more Base Stations (BS). The one or more BSs may be Long Term Evolved (LTE) evolved NodeBs (eNB) or New Radio (NR) next generation NodeBs (gNB) that can be communicatively coupled to one or more UEs by a Third- Generation Partnership Project (3 GPP) network.

[0002] Next generation wireless communication systems are expected to be a unified network/system that is targeted to meet vastly different and sometimes conflicting performance dimensions and services. New Radio Access Technology (RAT) is expected to support a broad range of use cases including Enhanced Mobile Broadband (eMBB), Massive Machine Type Communication (mMTC), Mission Critical Machine Type Communication (uMTC), and similar service types operating in frequency ranges up to 100 GHz. There are various parameters that can be associated with the transmission mode in LTE. Some of these parameters can include the downlink control information (DCI) format, the reference signal (RS), channel state information (CSI) measurement and reporting methods, and the transmission scheme. In LTE, a UE might not be able to consistently communicate with a gNB. This can cause issues related to the transmission mode.

BRIEF DESCRIPTION OF THE DRAWINGS

[0003] Features and advantages of the disclosure will be apparent from the detailed description which follows, taken in conjunction with the accompanying drawings, which together illustrate, by way of example, features of the disclosure; and, wherein:

[0004] FIG. 1 illustrates a block diagram of an orthogonal frequency division multiple access (OFDMA) frame structure in accordance with an example;

[0005] FIG. 2 depicts functionality of a UE operable for wireless communication of transmission parameters used for data demodulation in accordance with an example;

[0006] FIG. 3 depicts functionality of a gNB operable for wireless communication of transmission parameters used for data demodulation in accordance with an example; [0007] FIG. 4 depicts a flowchart of a machine readable storage medium having instructions embodied thereon for performing wireless communication of transmission parameters used for data demodulation in accordance with an example;

[0008] FIG. 5 illustrates an architecture of a wireless network in accordance with an example;

[0009] FIG. 6 illustrates a diagram of a wireless device (e.g., UE) in accordance with an example;

[0010] FIG. 7 illustrates interfaces of baseband circuitry in accordance with an example; and

[0011] FIG. 8 illustrates a diagram of a wireless device (e.g., UE) in accordance with an example.

[0012] Reference will now be made to the exemplary embodiments illustrated, and specific language will be used herein to describe the same. It will nevertheless be understood that no limitation of the scope of the technology is thereby intended.

DETAILED DESCRIPTION

[0013] Before the present technology is disclosed and described, it is to be understood that this technology is not limited to the particular structures, process actions, or materials disclosed herein, but is extended to equivalents thereof as would be recognized by those ordinarily skilled in the relevant arts. It should also be understood that terminology employed herein is used for the purpose of describing particular examples only and is not intended to be limiting. The same reference numerals in different drawings represent the same element. Numbers provided in flow charts and processes are provided for clarity in illustrating actions and operations and do not necessarily indicate a particular order or sequence.

EXAMPLE EMBODIMENTS

[0014] An initial overview of technology embodiments is provided below and then specific technology embodiments are described in further detail later. This initial summary is intended to aid readers in understanding the technology more quickly but is not intended to identify key features or essential features of the technology nor is it intended to limit the scope of the claimed subject matter.

[0015] FIG. 1 provides an example of a 3GPP LTE Release 8 frame structure. In particular, FIG. 1 illustrates a downlink radio frame structure type 2. In the example, a radio frame 100 of a signal used to transmit the data can be configured to have a duration, T/, of 10 milliseconds (ms). Each radio frame can be segmented or divided into ten subframes HOi that are each 1 ms long. Each subframe can be further subdivided into two slots 120a and 120b, each with a duration, T_s t, of 0.5 ms. The first slot (#0) 120a can include a legacy physical downlink control channel (PDCCH) 160 and/or a physical downlink shared channel (PDSCH) 166, and the second slot (#1) 120b can include data transmitted using the PDSCH.

[0016] Each slot for a component carrier (CC) used by the node and the wireless device can include multiple resource blocks (RBs) 130a, 130b, 130i, 130m, and 130n based on the CC frequency bandwidth. The CC can have a carrier frequency having a bandwidth and center frequency. Each subframe of the CC can include downlink control information (DCI) found in the legacy PDCCH. The legacy PDCCH in the control region can include one to three columns of the first Orthogonal Frequency Division Multiplexing (OFDM) symbols in each subframe or RB, when a legacy PDCCH is used. The remaining 11 to 13 OFDM symbols (or 14 OFDM symbols, when legacy PDCCH is not used) in the subframe may be allocated to the PDSCH for data (for short or normal cyclic prefix).

[0017] The control region can include physical control format indicator channel

(PCFICH), physical hybrid automatic repeat request (hybrid- ARQ) indicator channel (PHICH), and the PDCCH. The control region has a flexible control design to avoid unnecessary overhead. The number of OFDM symbols in the control region used for the PDCCH can be determined by the control channel format indicator (CFI) transmitted in the physical control format indicator channel (PCFICH). The PCFICH can be located in the first OFDM symbol of each subframe. The PCFICH and PHICH can have priority over the PDCCH, so the PCFICH and PHICH are scheduled prior to the PDCCH.

[0018] Each RB (physical RB or PRB) 130i can include 12 - 15 kilohertz (kHz) subcarriers 136 (on the frequency axis) and 6 or 7 orthogonal frequency-division multiplexing (OFDM) symbols 132 (on the time axis) per slot. The RB can use seven OFDM symbols if a short or normal cyclic prefix is employed. The RB can use six OFDM symbols if an extended cyclic prefix is used. The resource block can be mapped to 84 resource elements (REs) 140i using short or normal cyclic prefixing, or the resource block can be mapped to 72 REs (not shown) using extended cyclic prefixing. The RE can be a unit of one OFDM symbol 142 by one subcarrier (i.e., 15 kHz) 146.

[0019] Each RE can transmit two bits 150a and 150b of information in the case of quadrature phase-shift keying (QPSK) modulation. Other types of modulation may be used, such as 16 quadrature amplitude modulation (QAM) or 64 QAM to transmit a greater number of bits in each RE, or bi-phase shift keying (BPSK) modulation to transmit a lesser number of bits (a single bit) in each RE. The RB can be configured for a downlink transmission from the eNodeB to the UE, or the RB can be configured for an uplink transmission from the UE to the eNodeB.

[0020] This example of the 3GPP LTE Release 8 frame structure provides examples of the way in which data is transmitted, or the transmission mode. The example is not intended to be limiting. Many of the Release 8 features will evolve and change in 5G frame structures included in 3GPP LTE Release 15 and beyond.

[0021] There are various parameters that can be associated with the transmission mode in LTE. Some of these parameters can include the downlink control information (DCI) format, the reference signal (RS), channel state information (CSI) measurement and reporting methods, and the transmission scheme. DCI can have various formats that are defined in LTE including: 1 format for uplink (UL) scheduling; 2 formats for non- multiple input multiple output (MIMO) downlink (DL) scheduling, 1 format for MIMO DL scheduling; and 2 formats for UL power control. The reference signal can provide a reference point for DL power and can vary based on the transmission mode. The CSI measurement and reporting methods, including channel estimation and feedback, can also depend on the transmission mode. Each transmission mode can be associated with a transmission scheme that describes the characteristics of the transmission mode.

[0022] One problem with associating many parameters with the transmission mode in LTE can result from the inability of a UE to constantly communicate with a gNB or vice versa. For example, after radio resource control (RRC) signaling is transmitted from a gNB to a UE, there can be a certain period of time before the UE can apply the new configuration. During this period of time, communication between the gNB and UE can be achieved via a default transmission scheme. For example, DCI format 1 A or 1C can be used. DCI format 1 A and 1C can involve the downlink assignment for single input single output (SISO).

[0023] However, the DCI format can depend on the radio network temporary identifier (RNTI) type and the transmission mode. Furthermore, if the DCI format is of type 1A or type 1C, then there can be a specific number of RNTI types that are associated with these DCI formats, including system information RNTI (SI-RNTI) and paging RNTI (P-RNTI), and other RNTI types that are not associated with these DCI formats, including transmit power control RNTI (TPC-RNTI). Because the DCI format can depend on the RNTI type and transmission mode, and the RNTI type is limited by the DCI format in use, the mechanism in LTE has limitations on usage.

[0024] One way of addressing this problem is to divide the information that is used for data demodulation at the UE into two sets. The first set of information can be transmitted by means of a higher layer, such as RRC signaling, and the second set of information can be dynamically transmitted by means of a physical layer, such as a physical downlink control channel (PDCCH) carrying DCI. The first set of information can include parameters that can be configured by the higher layer. These parameters can be changed to default parameters that are either pre-existing or carried by the physical layer. The second set of information can include parameters that can be configured by the physical layer. These parameters can also be changed to default parameters that are either preexisting or carried by the physical layer.

[0025] If the physical layer, by means of the PDCCH for example, could transmit all of the parameters used for data demodulation, or physical downlink shared channel

(PDSCH) decoding for example, then it is possible that the limitations resulting from the dependence of the DCI format on the RNTI type and transmission mode might not occur. However, the physical layer, such as the PDCCH, is limited by the amount of information that it can carry, and it is difficult to transmit all of the parameters used for data demodulation on the physical layer. Furthermore, in LTE the amount of information carried by the physical layer, or specifically the PDCCH, can be more than desired.

Limiting the amount of information carried on the physical layer, or PDCCH, would be advantageous.

[0026] Because of this limitation of the physical layer, or PDCCH, the information used for data demodulation can be divided into a higher layer set of transmission parameters and a physical layer set of transmission parameters. The higher layer set of transmission parameters can be modified on a semi-static basis and the physical layer set of transmission parameters can be modified on a dynamic basis. This improves the resource utilization because there is less control signaling overhead while also maintaining a certain degree of scheduling flexibility.

[0027] More specifically, the information that is typically included in the DCI that is carried on the PDCCH can be split into two sets: the higher layer set of transmission parameters and the physical layer set of transmission parameters. The higher layer set of transmission parameters can be configured on a longer time scale than the physical layer set of transmission parameters that can be configured on per slot basis of each subframe. This decreases the amount of DCI that is transmitted on the PDCCH while also maintaining some of the advantages of transmitting DCI on the PDCCH.

[0028] In addition to the higher layer set of transmission parameters and the physical layer set of transmission parameters, a default set of transmission parameters can be defined. The default set of transmission parameters can include predefined values for the higher layer set of transmission parameters. These predefined values of the default set of transmission parameters can be changed by higher layer signaling. The default set of transmission parameters can also include predefined values for the physical layer set of transmission parameters. These predefined values of the default set of transmission parameters can be changed by physical layer signaling.

[0029] The higher layer set of transmission parameters can include various parameters including: an antenna port sharing indicator, a DCI bit-field interpreter, a transmission scheme, a received beamforming identifier, a quasi-co-location (QCL) indicator, a modulation and coding scheme table, basic resource block assignment information, and PRB bundling size for channel estimation field. Each of these parameters can be configured by means of higher layer signaling, which can include RRC signaling.

[0030] The antenna port sharing indicator can indicate whether different beamforming is assumed or same beamforming is assumed. If different beamforming is assumed, then the UE can be configured to estimate the channel for data and the channel for control separately because different antenna ports will be used for the demodulation of data and control. If same beamforming is assumed, then the UE can estimate the channel for data and the channel for control using the same beam if the resources are in the same or adjacent frequency positions.

[0031] The antenna port sharing indicator can indicate whether different ports are used for demodulation of data and control or whether the same ports are used for demodulation of data and control. If different ports are used for demodulation of data and control, then the UE can estimate the channel for data and control separately. However, if the same ports are used for demodulation of data and control, then the UE can estimate the channel for data and control if the resources are in the same or adjacent frequency positions.

[0032] In one example, the number of demodulation reference signal (RS) ports, or antenna ports, can be different for data and control. In this example, some of the RS ports, or antenna ports, may still be shared between data and control. These shared antenna ports can be beam-formed with the same beam-former, or precoding matrix indicator (PMI). In this example, the UE can assume that the same precoder applies for the shared antenna ports on overlapped PRBs if there is a rule in the standard to apply the same precoder for data and control. The antenna port sharing indicator can be configured by means of higher layer signaling, such as RRC signaling, and may be modified by means of physical layer signaling, such as a PDCCH, on a dynamic basis. The antenna port sharing indicator may also include a default value, which can be set to include that different beamforming is assumed.

[0033] In another example, the DCI bit-field interpreter can define different bit-field interpretations. For example, the same bit positions can be defined to have distinct meanings depending on the DCI bit-field interpretation used. There can be multiple predefined DCI formats, which is the case in LTE, or the DCI formats can be changed by physical layer signaling. This field can be configured by means of higher layer signaling, such as RRC signaling, and may be modified by means of physical layer signaling, such as a PDCCH, on a dynamic basis.

[0034] In another example, the transmission scheme can be included in the set of higher layer transmission parameters. The transmission scheme parameter can signal the transmission scheme for space frequency block coding (SFBC) or spatial multiplexing (SM) with rank 1. This field can be configured by means of higher layer signaling, such as RRC signaling, and may be modified by means of physical layer signaling, such as a PDCCH, on a dynamic basis.

[0035] In another example, the received beamforming identifier can identify the beam used for the data channel at the receiver side. The UE can determine the optimal beam- forming that should be applied to receive the data channel. The data channel can be QCL with a downlink reference signal. This field can be configured by means of higher layer signaling, such as RRC signaling, and may be modified by means of physical layer signaling, such as a PDCCH, on a dynamic basis.

[0036] In another example, the modulation and coding scheme (MCS) table can support various MCS schemes including quadrature phase shift keying (QPSK), quadrature amplitude modulation (QAM) 16 (QAM 16), QAM64, and QAM256. The MCS table can also support a subset of the various MCS schemes. QPSK is a form of phase shift keying in which two bits are modulated at once. QAM can transmit data by changing the amplitude of two waves of the same frequency to represent the data signal. The MCS table can support a smaller number of MCS schemes compared to the number of MCS schemes that are supported in LTE. Additional MCS information can be provided using physical layer signaling to jointly determine, along with the MCS information provided from the higher layer, the MCS of data in a particular transmission time interval (TTI).

[0037] In another example, the basic resource block assignment information can contain the resource allocation for the transmission of PDCCH or PDSCH for a UE. The control channel and data channel for a UE can be transmitted in the set of resource blocks provided in this field. This field can be semi-statically configured based on the static channel characteristic for a UE, or can be modified by means of physical layer signaling, such as a PDCCH, on a dynamic basis.

[0038] In another example, the PRB bundling size for channel estimation field can provide the number of PRBs that are used to estimate the size of the channel. Within this number of PRBs, there might be minimal substantial changes in the precoded/beam- formed channel. If the precoding/beam-forming is substantially the same, then the channel can be averaged over the bundling size to improve the channel estimation. If the precoding/beam-forming is not substantially the same, then it might be difficult to average over the bundling size to improve the channel estimation. The default value for PRB bundling can be set to 1, which indicates that PRB bundling does not occur. This field can be configured by means of higher layer signaling, such as RRC signaling, and may be modified by means of physical layer signaling, such as a PDCCH, on a dynamic basis.

[0039] The transmission parameters provided above - an antenna port sharing indicator, a DCI bit-field interpreter, a transmission scheme, a received beamforming identifier, a quasi-co-location (QCL) indicator, a modulation and coding scheme table, basic resource block assignment information, and PRB bundling size for channel estimation field - can be configured by means of higher layer signaling. These parameters can also be modified by means of physical layer signaling, such as PDCCH, on a dynamic basis.

[0040] Some of these transmission parameters configured by means of the higher layer can also be included in the transmission parameters configured by means of the physical layer. This physical layer set of transmission parameters can include: an antenna port sharing indicator, a transmission scheme, basic resource block assignment information, rate matching information, and a beam switch command indicator. Each of these transmission parameters can be configured by means of physical layer signaling, which can include the PDCCH.

[0041] The antenna port sharing indicator can indicate whether different beamforming is assumed or the same beamforming is assumed. If different beamforming is assumed, then the UE can be configured to estimate the channel for data and the channel for control separately because different antenna ports will be used for the demodulation of data and control. If same beamforming is assumed, then the UE can estimate the channel for data and the channel for control using the same beam if the resources are in the same or adjacent frequency positions.

[0042] The antenna port sharing indicator can indicate whether different ports are used for demodulation of data and control or whether the same ports are used for demodulation of data and control. If different ports are used for demodulation of data and control, then the UE can estimate the channel for data and control separately. However, if the same ports are used for demodulation of data and control, then the UE can estimate the channel for data and control if the resources are in the same or adjacent frequency positions.

[0043] In one example, the number of demodulation reference signal (RS) ports, or antenna ports, can be different for data and control. In this example, some of the RS ports, or antenna ports, may still be shared between data and control. These shared antenna ports can be beam-formed with the same beam-former, or precoding matrix indicator (PMI). In this example, the UE can assume that the same precoder applies for the shared antenna ports on overlapped PRBs if there is a rule to apply the same precoder for data and control. As mentioned above, this field - the antenna port sharing indicator - can also be modified using higher layer signaling, such as RRC signaling.

[0044] In another example, the transmission scheme can be included in the set of physical layer transmission parameters. The transmission scheme parameter can signal the transmission scheme for space frequency block coding (SFBC) or spatial multiplexing (SM) with rank 1. The transmission scheme parameter can also provide MIMO transmission parameters. As mentioned above, this field - the transmission scheme - can also be modified using higher layer signaling, such as RRC signaling.

[0045] In another example, the basic resource block assignment information can contain the resource allocation for the transmission of PDCCH or PDSCH for a UE. The control channel and data channel for a UE can be transmitted in the set of resource blocks provided in this field. The basic resource block assignment information can also include: the RB index; resource splitting in addition to the resource blocks configured by the higher layer; and whether the resource allocation is localized or distributed. In the higher layer set of transmission parameters, this parameter might define the maximum set of resource blocks. In the physical layer set of transmission parameters, this parameter can include the parameters that will be signaled by the PDCCH and can be signaled in the current TTI or current slot.

[0046] In another example, the rate matching information can include: the transmission mode rank; the number of transport blocks (TBs); the MCS size, the TB size, and other parameters related to reference signals. The rate matching information can also include: the transmission mode rank in the current scheduled data, the number of TBs, and the MCS used for the TB. [0047] In another example, the beam switch command indicator can indicate if the CSI- RS is QCL with the demodulation reference signal (DM-RS) of the data channel in use. If the control channel is QCL with the CSI-RS but the control channel is QCL with a different CSI-RS, then beam switching can be performed between data communication and control communication. If the antenna port is shared between the control channel and the data channel, then the beam switch command indicator might not indicate that beam switching should be performed. If the antenna port is not shared between the control channel and the data channel, then the beam switch command might not indicate that beam switching should be performed.

[0048] The transmission parameters provided above - an antenna port sharing indicator, a transmission scheme, basic resource block assignment information, rate matching information, and a beam switch command indicator - can be configured by means of physical layer signaling, which can include the PDCCH. Some of these parameters can also be configured by means of higher layer signaling, such as RRC signaling or communication in a system information block (SIB).

[0049] In addition to the higher layer set of transmission parameters and the physical layer set of transmission parameters, a default set of transmission parameters can also be provided. The default set of transmission parameters can include: an antenna port sharing indicator; a DCI bit-map interpreter; a transmission scheme, a received beamforming identifier, and a QCL indicator.

[0050] The default set of transmission parameters can include predefined values for the higher layer set of transmission parameters. These predefined values of the default set of transmission parameters can be changed by higher layer signaling. The default set of transmission parameters can also include predefined values for the physical layer set of transmission parameters. These predefined values of the default set of transmission parameters can be changed by physical layer signaling.

[0051] In the default set, the antenna port sharing indicator can be set to indicate that the beam-forming is different. In such an example, different ports are used for demodulation of data and control; therefore, the UE can estimate the channel for data and control separately. This parameter can be modified by means of higher layer signaling, such as RRC signaling, or physical layer signaling, such as the PDCCH. [0052] In another example, the DCI bit-field interpreter can define different bit-field interpretations. For example, the same bit positions can be defined to have distinct meanings depending on the DCI bit-field interpretation used. There can be multiple predefined DCI formats, which is the case in LTE, or the DCI formats can be changed by higher layer or physical layer signaling.

[0053] In another example, the transmission scheme can be included in the set of higher layer transmission parameters. The transmission scheme parameter can signal the transmission scheme for space frequency block coding (SFBC) as the default. This parameter can be modified by means of higher layer signaling, such as RRC signaling, or physical layer signaling, such as the PDCCH.

[0054] In another example, the received beamforming identifier can identify the beam used for the data channel at the receiver side. The UE can determine the optimal beam- forming that should be applied to receive the data channel. The data channel can be QCL with a downlink reference signal. The received beamforming identifier can be set to no beam-forming or to wide-beam. This parameter can be modified by means of higher layer signaling, such as RRC signaling, or physical layer signaling, such as the PDCCH.

[0055] The transmission parameters provided above - an antenna port sharing indicator; a DCI bit-map interpreter; a transmission scheme, a received beamforming identifier, and a QCL indicator. - can be configured by means of higher layer signaling, which can include RRC signaling, or physical layer signaling, which can include the PDCCH. These transmission parameters can be included in the default set of transmission parameters.

[0056] In another example, if the values in the higher layer set of transmission parameters are to be updated, then the values in the higher layer set of transmission parameters can be updated by means of explicit signaling, implicit signaling, or two-step DCI signaling. The values in the higher layer set of transmission parameters can be updated during handover, when in idle mode, or under similar circumstances.

[0057] In one example, explicit signaling can be used to change or update the values in the higher layer set of transmission parameters. Explicit signaling can be achieved by signaling via the physical layer that the parameter values in the higher layer set of transmission parameters should be changed or updated to the values defined in the default set of transmission parameters. Specifically, explicit signaling can be achieved by a one- bit indicator in DCI that indicates if the parameter values in the higher layer set of transmission parameters should be changed or updated to the values defined in the default set of transmission parameters.

[0058] In another example, explicit signaling can be achieved by signaling via the physical layer that the parameter values in the higher layer set of transmission parameters should be changed or updated to the values defined in the physical layer set of transmission parameters. Specifically, explicit signaling can be achieved by a one-bit indicator in DCI that indicates if the parameter values in the higher layer set of transmission parameters should be changed or updated to the values defined in the physical layer set of transmission parameters.

[0059] In another example, implicit signaling can be used to change or update the values in the higher layer set of transmission parameters. Implicit signaling includes applying different parameters based on the search space in which control channel information, such as DCI, is transmitted. If the control channel information, such as DCI, is transmitted in a common control channel, then the values in the default set of transmission parameters can be used. If the control channel information, such as DCI, is transmitted in a UE-specific control channel with a group-specific RNTI, then the values in the default set of transmission parameters can be used. If the control channel information, such as DCI, is transmitted in a UE-specific control channel with a UE-specific RNTI, then the values in the higher layer set of transmission parameters can be used.

[0060] In another example, two-step DCI signaling can be used in which a first DCI can be of a fixed size and format. The first DCI can indicate the parameters for a second DCI format and PDSCH by means of a one-bit indication. The second DCI can indicate that the default set of transmission parameters is not to be used, which can also indicate that the higher layer set of transmission parameters can be used. The second DCI can also indicate that the default set of transmission parameters is to be used, which indicates that the default set of transmission parameters can be used. If the default set of transmission parameters is to be used, then there might not be a second DCI.

[0061] These three examples of changing or updating the values in the higher layer set of transmission parameters can also be used to change or update values in the physical layer set of transmission parameters or the values in the default set of transmission parameters. The default set of transmission parameters can also predefine the values associated with the higher layer set of transmission parameters or the values associated with the physical layer set of transmission parameters. The default set can include parameters configured by means of higher layer signaling with default values and can include parameters configured by means of physical layer signaling with default values.

[0062] Any transmission parameters of the higher layer set of transmission parameters can be used in the default set of transmission parameters or the physical layer set of transmission parameters. Any transmission parameters of the physical layer set of transmission parameters can be used in the higher layer set of transmission parameters or the default set of transmission parameters. Any transmission parameters of the default set of transmission parameters can also be used in the higher layer set of transmission parameters or the physical layer set of transmission parameters. Alternatively, each parameter can be defined to be in one of the physical layer set or the higher layer set of transmission parameters.

[0063] Another example provides functionality 200 of a UE operable for wireless communication of transmission parameters used for data demodulation as shown in FIG. 2. The UE can comprise one or more processors. The one or more processors can be configured to decode, at the UE, a physical-layer set of transmission parameters that are configured to be received via physical layer signaling, wherein the physical-layer set of transmission parameters are configured to be used by the UE for decoding data received in a physical downlink channel, as in block 210. The one or more processors can be configured to identify, at the UE, a default set of transmission parameters that are associated with a higher layer set of transmission parameters, wherein the default set of transmission parameters include additional parameters to the physical-layer set of transmission parameters, the additional parameters to be used by the UE for decoding the data received in the physical downlink channel, as in block 220. The one or more processors can be configured to decode, at the UE, the data in the physical downlink channel using the physical-layer set of transmission parameters and one or more of the default set of transmission parameters and the higher layer set of transmission parameters, as in block 230. The UE can comprise a memory interface configured to receive from a memory the default set of transmission parameters, as in block 240.

[0064] Another example provides functionality 300 of a gNB operable for wireless communication of transmission parameters used for data demodulation as shown in FIG. 3. The gNB can comprise one or more processors. The one or more processors can be configured to encode, at the gNB, a physical-layer set of transmission parameters that are configured to be transmitted via physical layer signaling, wherein the physical-layer set of transmission parameters are configured to be used by the user equipment (UE) for decoding data received in a physical downlink channel, as in block 310. The one or more processors can be configured to encode, at the gNB, for transmission to the UE via higher layer signaling, a higher layer set of transmission parameters that are associated with a default set of transmission parameters stored at the UE, wherein the default set of transmission parameters include additional parameters to the physical-layer set of transmission parameters, the additional parameters to be used by the UE for decoding the data received in the physical downlink channel, as in block 320. The gNB can also comprise a memory interface configured to receive from a memory the higher layer set of transmission parameters, as in block 330.

[0065] Another example provides at least one machine readable storage medium having instructions 400 embodied thereon for performing wireless communication of transmission parameters used for data demodulation as shown in FIG. 4. The instructions can be executed on a machine, where the instructions are included on at least one computer readable medium or one non-transitory machine readable storage medium. The instructions when executed perform: decode, at the UE, a physical-layer set of transmission parameters that are configured to be received via physical layer signaling, wherein the physical-layer set of transmission parameters are configured to be used by the UE for decoding data received in a physical downlink channel, as in block 410. The instructions when executed perform: identify, at the UE, a default set of transmission parameters that are associated with a higher layer set of transmission parameters, wherein the default set of transmission parameters include additional parameters to the physical- layer set of transmission parameters, the additional parameters to be used by the UE for decoding the data received in the physical downlink channel, as in block 420. The instructions when executed perform: decode, at the UE, the data in the physical downlink channel using the physical-layer set of transmission parameters and one or more of the default set of transmission parameters and the higher layer set of transmission parameters, as in block 430.

[0066] While examples have been provided in which an eNodeB has been specified, they are not intended to be limiting. A fifth generation gNB can be used in place of the eNodeB. Accordingly, unless otherwise stated, any example herein in which an eNodeB has been disclosed, can similarly be disclosed with the use of a gNB (Next Generation node B).

[0067] FIG. 5 illustrates an architecture of a system 500 of a network in accordance with some embodiments. The system 500 is shown to include a user equipment (UE) 501 and a UE 502. The UEs 501 and 502 are illustrated as smartphones (e.g., handheld touchscreen mobile computing devices connectable to one or more cellular networks), but may also comprise any mobile or non-mobile computing device, such as Personal Data Assistants (PDAs), pagers, laptop computers, desktop computers, wireless handsets, or any computing device including a wireless communications interface.

[0068] In some embodiments, any of the UEs 501 and 502 can comprise an Internet of Things (IoT) UE, which can comprise a network access layer designed for low-power IoT applications utilizing short-lived UE connections. An IoT UE can utilize technologies such as machine-to-machine (M2M) or machine-type communications (MTC) for exchanging data with an MTC server or device via a public land mobile network

(PLMN), Proximity-Based Service (ProSe) or device-to-device (D2D) communication, sensor networks, or IoT networks. The M2M or MTC exchange of data may be a machine-initiated exchange of data. An IoT network describes interconnecting IoT UEs, which may include uniquely identifiable embedded computing devices (within the Internet infrastructure), with short-lived connections. The IoT UEs may execute background applications (e.g., keep-alive messages, status updates, etc.) to facilitate the connections of the IoT network.

[0069] The UEs 501 and 502 may be configured to connect, e.g., communicatively couple, with a radio access network (RAN) 510— the RAN 510 may be, for example, an Evolved Universal Mobile Telecommunications System (UMTS) Terrestrial Radio Access Network (E-UTRAN), a NextGen RAN (NG RAN), or some other type of RAN. The UEs 501 and 502 utilize connections 503 and 504, respectively, each of which comprises a physical communications interface or layer (discussed in further detail below); in this example, the connections 503 and 504 are illustrated as an air interface to enable communicative coupling, and can be consistent with cellular communications protocols, such as a Global System for Mobile Communications (GSM) protocol, a code-division multiple access (CDMA) network protocol, a Push-to-Talk (PTT) protocol, a PTT over Cellular (POC) protocol, a Universal Mobile Telecommunications System (UMTS) protocol, a 3GPP Long Term Evolution (LTE) protocol, a fifth generation (5G) protocol, a New Radio (NR) protocol, and the like.

[0070] In this embodiment, the UEs 501 and 502 may further directly exchange communication data via a ProSe interface 505. The ProSe interface 505 may alternatively be referred to as a sidelink interface comprising one or more logical channels, including but not limited to a Physical Sidelink Control Channel (PSCCH), a Physical Sidelink Shared Channel (PSSCH), a Physical Sidelink Discovery Channel (PSDCH), and a Physical Sidelink Broadcast Channel (PSBCH).

[0071] The UE 502 is shown to be configured to access an access point (AP) 506 via connection 507. The connection 507 can comprise a local wireless connection, such as a connection consistent with any IEEE 802.15 protocol, wherein the AP 506 would comprise a wireless fidelity (WiFi®) router. In this example, the AP 506 is shown to be connected to the Internet without connecting to the core network of the wireless system (described in further detail below).

[0072] The RAN 510 can include one or more access nodes that enable the connections 503 and 504. These access nodes (ANs) can be referred to as base stations (BSs), NodeBs, evolved NodeBs (eNBs), next Generation NodeBs (gNB), RAN nodes, and so forth, and can comprise ground stations (e.g., terrestrial access points) or satellite stations providing coverage within a geographic area (e.g., a cell). The RAN 510 may include one or more RAN nodes for providing macrocells, e.g., macro RAN node 511, and one or more RAN nodes for providing femtocells or picocells (e.g., cells having smaller coverage areas, smaller user capacity, or higher bandwidth compared to macrocells), e.g., low power (LP) RAN node 512.

[0073] Any of the RAN nodes 511 and 512 can terminate the air interface protocol and can be the first point of contact for the UEs 501 and 502. In some embodiments, any of the RAN nodes 511 and 512 can fulfill various logical functions for the RAN 510 including, but not limited to, radio network controller (RNC) functions such as radio bearer management, uplink and downlink dynamic radio resource management and data packet scheduling, and mobility management.

[0074] In accordance with some embodiments, the UEs 501 and 502 can be configured to communicate using Orthogonal Frequency -Division Multiplexing (OFDM)

communication signals with each other or with any of the RAN nodes 511 and 512 over a multicarrier communication channel in accordance various communication techniques, such as, but not limited to, an Orthogonal Frequency -Division Multiple Access (OFDMA) communication technique (e.g., for downlink communications) or a Single Carrier Frequency Division Multiple Access (SC-FDMA) communication technique (e.g., for uplink and ProSe or sidelink communications), although the scope of the embodiments is not limited in this respect. The OFDM signals can comprise a plurality of orthogonal subcarriers.

[0075] In some embodiments, a downlink resource grid can be used for downlink transmissions from any of the RAN nodes 511 and 512 to the UEs 501 and 502, while uplink transmissions can utilize similar techniques. The grid can be a time-frequency grid, called a resource grid or time-frequency resource grid, which is the physical resource in the downlink in each slot. Such a time-frequency plane representation is a common practice for OFDM systems, which makes it intuitive for radio resource allocation. Each column and each row of the resource grid corresponds to one OFDM symbol and one OFDM subcarrier, respectively. The duration of the resource grid in the time domain corresponds to one slot in a radio frame. The smallest time-frequency unit in a resource grid is denoted as a resource element. Each resource grid comprises a number of resource blocks, which describe the mapping of certain physical channels to resource elements. Each resource block comprises a collection of resource elements; in the frequency domain, this may represent the smallest quantity of resources that currently can be allocated. There are several different physical downlink channels that are conveyed using such resource blocks.

[0076] The physical downlink shared channel (PDSCH) may carry user data and higher- layer signaling to the UEs 501 and 502. The physical downlink control channel

(PDCCH) may carry information about the transport format and resource allocations related to the PDSCH channel, among other things. It may also inform the UEs 501 and 502 about the transport format, resource allocation, and H-ARQ (Hybrid Automatic Repeat Request) information related to the uplink shared channel. Typically, downlink scheduling (assigning control and shared channel resource blocks to the UE 502 within a cell) may be performed at any of the RAN nodes 511 and 512 based on channel quality information fed back from any of the UEs 501 and 502. The downlink resource assignment information may be sent on the PDCCH used for (e.g., assigned to) each of the UEs 501 and 502.

[0077] The PDCCH may use control channel elements (CCEs) to convey the control information. Before being mapped to resource elements, the PDCCH complex-valued symbols may first be organized into quadruplets, which may then be permuted using a sub-block interleaver for rate matching. Each PDCCH may be transmitted using one or more of these CCEs, where each CCE may correspond to nine sets of four physical resource elements known as resource element groups (REGs). Four Quadrature Phase Shift Keying (QPSK) symbols may be mapped to each REG. The PDCCH can be transmitted using one or more CCEs, depending on the size of the downlink control information (DCI) and the channel condition. There can be four or more different PDCCH formats defined in LTE with different numbers of CCEs (e.g., aggregation level, L=l, 2, 4, or 8).

[0078] Some embodiments may use concepts for resource allocation for control channel information that are an extension of the above-described concepts. For example, some embodiments may utilize an enhanced physical downlink control channel (EPDCCH) that uses PDSCH resources for control information transmission. The EPDCCH may be transmitted using one or more enhanced the control channel elements (ECCEs). Similar to above, each ECCE may correspond to nine sets of four physical resource elements known as an enhanced resource element groups (EREGs). An ECCE may have other numbers of EREGs in some situations.

[0079] The RAN 510 is shown to be communicatively coupled to a core network (CN) 520— via an SI interface 513. In embodiments, the CN 520 may be an evolved packet core (EPC) network, a NextGen Packet Core (NPC) network, or some other type of CN. In this embodiment the SI interface 513 is split into two parts: the Sl-U interface 514, which carries traffic data between the RAN nodes 511 and 512 and the serving gateway (S-GW) 522, and the S I -mobility management entity (MME) interface 515, which is a signaling interface between the RAN nodes 511 and 512 and MMEs 521.

[0080] In this embodiment, the CN 520 comprises the MMEs 521, the S-GW 522, the Packet Data Network (PDN) Gateway (P-GW) 523, and a home subscriber server (HSS) 524. The MMEs 521 may be similar in function to the control plane of legacy Serving General Packet Radio Service (GPRS) Support Nodes (SGSN). The MMEs 521 may manage mobility aspects in access such as gateway selection and tracking area list management. The HSS 524 may comprise a database for network users, including subscription-related information to support the network entities' handling of

communication sessions. The CN 520 may comprise one or several HSSs 524, depending on the number of mobile subscribers, on the capacity of the equipment, on the organization of the network, etc. For example, the HSS 524 can provide support for routing/roaming, authentication, authorization, naming/addressing resolution, location dependencies, etc.

[0081] The S-GW 522 may terminate the SI interface 513 towards the RAN 510, and routes data packets between the RAN 510 and the CN 520. In addition, the S-GW 522 may be a local mobility anchor point for inter-RAN node handovers and also may provide an anchor for inter-3GPP mobility. Other responsibilities may include lawful intercept, charging, and some policy enforcement.

[0082] The P-GW 523 may terminate an SGi interface toward a PDN. The P-GW 523 may route data packets between the EPC network 523 and external networks such as a network including the application server 530 (alternatively referred to as application function (AF)) via an Internet Protocol (IP) interface 525. Generally, the application server 530 may be an element offering applications that use IP bearer resources with the core network (e.g., UMTS Packet Services (PS) domain, LTE PS data services, etc.). In this embodiment, the P-GW 523 is shown to be communicatively coupled to an application server 530 via an IP communications interface 525. The application server 530 can also be configured to support one or more communication services (e.g., Voice- over-Internet Protocol (VoIP) sessions, PTT sessions, group communication sessions, social networking services, etc.) for the UEs 501 and 502 via the CN 520.

[0083] The P-GW 523 may further be a node for policy enforcement and charging data collection. Policy and Charging Enforcement Function (PCRF) 526 is the policy and charging control element of the CN 520. In a non-roaming scenario, there may be a single PCRF in the Home Public Land Mobile Network (HPLMN) associated with a UE's Internet Protocol Connectivity Access Network (IP-CAN) session. In a roaming scenario with local breakout of traffic, there may be two PCRFs associated with a UE's IP-CAN session: a Home PCRF (H-PCRF) within a HPLMN and a Visited PCRF (V-PCRF) within a Visited Public Land Mobile Network (VPLMN). The PCRF 526 may be communicatively coupled to the application server 530 via the P-GW 523. The application server 530 may signal the PCRF 526 to indicate a new service flow and select the appropriate Quality of Service (QoS) and charging parameters. The PCRF 526 may provision this rule into a Policy and Charging Enforcement Function (PCEF) (not shown) with the appropriate traffic flow template (TFT) and QoS class of identifier (QCI), which commences the QoS and charging as specified by the application server 530.

[0084] FIG. 6 illustrates example components of a device 600 in accordance with some embodiments. In some embodiments, the device 600 may include application circuitry 602, baseband circuitry 604, Radio Frequency (RF) circuitry 606, front-end module (FEM) circuitry 608, one or more antennas 610, and power management circuitry (PMC) 612 coupled together at least as shown. The components of the illustrated device 600 may be included in a UE or a RAN node. In some embodiments, the device 600 may include less elements (e.g., a RAN node may not utilize application circuitry 602, and instead include a processor/controller to process IP data received from an EPC). In some embodiments, the device 600 may include additional elements such as, for example, memory /storage, display, camera, sensor, or input/output (I/O) interface. In other embodiments, the components described below may be included in more than one device (e.g., said circuitries may be separately included in more than one device for Cloud-RAN (C-RAN) implementations).

[0085] The application circuitry 602 may include one or more application processors. For example, the application circuitry 602 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 or may include memory /storage and may be configured to execute instructions stored in the memory /storage to enable various applications or operating systems to run on the device 600. In some embodiments, processors of application circuitry 602 may process IP data packets received from an EPC.

[0086] The baseband circuitry 604 may include circuitry such as, but not limited to, one or more single-core or multi-core processors. The baseband circuitry 604 may include one or more baseband processors or control logic to process baseband signals received from a receive signal path of the RF circuitry 606 and to generate baseband signals for a transmit signal path of the RF circuitry 606. Baseband processing circuity 604 may interface with the application circuitry 602 for generation and processing of the baseband signals and for controlling operations of the RF circuitry 606. For example, in some embodiments, the baseband circuitry 604 may include a third generation (3G) baseband processor 604a, a fourth generation (4G) baseband processor 604b, a fifth generation (5G) baseband processor 604c, or other baseband processor(s) 604d for other existing generations, generations in development or to be developed in the future (e.g., second generation (2G), sixth generation (6G), etc.). The baseband circuitry 604 (e.g., one or more of baseband processors 604a-d) may handle various radio control functions that enable communication with one or more radio networks via the RF circuitry 606. In other embodiments, some or all of the functionality of baseband processors 604a-d may be included in modules stored in the memory 604g and executed via a Central Processing Unit (CPU) 604e. The radio control functions may include, but are not limited to, signal modulation/demodulation, encoding/decoding, radio frequency shifting, etc. In some embodiments, modulation/demodulation circuitry of the baseband circuitry 604 may include Fast-Fourier Transform (FFT), precoding, or constellation mapping/demapping functionality. In some embodiments, encoding/decoding circuitry of the baseband circuitry 604 may include convolution, tail-biting convolution, turbo, Viterbi, or Low Density Parity Check (LDPC) encoder/decoder functionality. Embodiments of modulation/demodulation and encoder/decoder functionality are not limited to these examples and may include other suitable functionality in other embodiments. [0087] In some embodiments, the baseband circuitry 604 may include one or more audio digital signal processor(s) (DSP) 604f. The audio DSP(s) 604f 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. In some embodiments, some or all of the constituent components of the baseband circuitry 604 and the application circuitry 602 may be implemented together such as, for example, on a system on a chip (SOC).

[0088] In some embodiments, the baseband circuitry 604 may provide for

communication compatible with one or more radio technologies. For example, in some embodiments, the baseband circuitry 604 may support communication with an evolved universal terrestrial radio access network (EUTRAN) or other wireless metropolitan area networks (WMAN), a wireless local area network (WLAN), a wireless personal area network (WPAN). Embodiments in which the baseband circuitry 604 is configured to support radio communications of more than one wireless protocol may be referred to as multi-mode baseband circuitry.

[0089] RF circuitry 606 may enable communication with wireless networks

using modulated electromagnetic radiation through a non-solid medium. In various embodiments, the RF circuitry 606 may include switches, filters, amplifiers, etc. to facilitate the communication with the wireless network. RF circuitry 606 may include a receive signal path which may include circuitry to down-convert RF signals received from the FEM circuitry 608 and provide baseband signals to the baseband circuitry 604. RF circuitry 606 may also include a transmit signal path which may include circuitry to up-convert baseband signals provided by the baseband circuitry 604 and provide RF output signals to the FEM circuitry 608 for transmission.

[0090] In some embodiments, the receive signal path of the RF circuitry 606 may include mixer circuitry 606a, amplifier circuitry 606b and filter circuitry 606c. In some embodiments, the transmit signal path of the RF circuitry 606 may include filter circuitry 606c and mixer circuitry 606a. RF circuitry 606 may also include synthesizer circuitry 606d for synthesizing a frequency for use by the mixer circuitry 606a of the receive signal path and the transmit signal path. In some embodiments, the mixer circuitry 606a of the receive signal path may be configured to down-convert RF signals received from the FEM circuitry 608 based on the synthesized frequency provided by synthesizer circuitry 606d. The amplifier circuitry 606b may be configured to amplify the down-converted signals and the filter circuitry 606c 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 604 for further processing. In some embodiments, the output baseband signals may be zero-frequency baseband signals, although this is not a necessity. In some embodiments, mixer circuitry 606a of the receive signal path may comprise passive mixers, although the scope of the embodiments is not limited in this respect.

[0091] In some embodiments, the mixer circuitry 606a of the transmit signal path may be configured to up-convert input baseband signals based on the synthesized frequency provided by the synthesizer circuitry 606d to generate RF output signals for the FEM circuitry 608. The baseband signals may be provided by the baseband circuitry 604 and may be filtered by filter circuitry 606c.

[0092] In some embodiments, the mixer circuitry 606a of the receive signal path and the mixer circuitry 606a of the transmit signal path may include two or more mixers and may be arranged for quadrature downconversion and upconversion, respectively. In some embodiments, the mixer circuitry 606a of the receive signal path and the mixer circuitry 606a of the transmit signal path may include two or more mixers and may be arranged for image rejection (e.g., Hartley image rej ection). In some embodiments, the mixer circuitry 606a of the receive signal path and the mixer circuitry 606a may be arranged for direct downconversion and direct upconversion, respectively. In some embodiments, the mixer circuitry 606a of the receive signal path and the mixer circuitry 606a of the transmit signal path may be configured for super-heterodyne operation.

[0093] In some embodiments, 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. In some alternate embodiments, the output baseband signals and the input baseband signals may be digital baseband signals. In these alternate embodiments, the RF circuitry 606 may include analog-to-digital converter (ADC) and digital-to-analog converter (DAC) circuitry and the baseband circuitry 604 may include a digital baseband interface to communicate with the RF circuitry 606.

[0094] In some dual-mode embodiments, 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.

[0095] In some embodiments, the synthesizer circuitry 606d may be a fractional-N synthesizer or a fractional N/N+l synthesizer, although the scope of the embodiments is not limited in this respect as other types of frequency synthesizers may be suitable. For example, synthesizer circuitry 606d may be a delta-sigma synthesizer, a frequency multiplier, or a synthesizer comprising a phase-locked loop with a frequency divider. [0096] The synthesizer circuitry 606d may be configured to synthesize an output frequency for use by the mixer circuitry 606a of the RF circuitry 606 based on a frequency input and a divider control input. In some embodiments, the synthesizer circuitry 606d may be a fractional N/N+l synthesizer.

[0097] In some embodiments, frequency input may be provided by a voltage controlled oscillator (VCO), although that is not a necessity. Divider control input may be provided by either the baseband circuitry 604 or the applications processor 602 depending on the desired output frequency. In some embodiments, a divider control input (e.g., N) may be determined from a look-up table based on a channel indicated by the applications processor 602. [0098] Synthesizer circuitry 606d of the RF circuitry 606 may include a divider, a delay- locked loop (DLL), a multiplexer and a phase accumulator. In some embodiments, the divider may be a dual modulus divider (DMD) and the phase accumulator may be a digital phase accumulator (DPA). In some embodiments, the DMD may be configured to divide the input signal by either N or N+l (e.g., based on a carry out) to provide a fractional division ratio. In some example embodiments, the DLL may include a set of cascaded, tunable, delay elements, a phase detector, a charge pump and a D-type flip-flop. In these embodiments, 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. In this way, the DLL provides negative feedback to help ensure that the total delay through the delay line is one VCO cycle. [0099] In some embodiments, synthesizer circuitry 606d 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. In some embodiments, the output frequency may be a LO frequency (fLO). In some embodiments, the RF circuitry 606 may include an IQ/polar converter.

[00100] FEM circuitry 608 may include a receive signal path which may include circuitry configured to operate on RF signals received from one or more antennas 610, amplify the received signals and provide the amplified versions of the received signals to the RF circuitry 606 for further processing. FEM circuitry 608 may also include a transmit signal path which may include circuitry configured to amplify signals for transmission provided by the RF circuitry 606 for transmission by one or more of the one or more antennas 610. In various embodiments, the amplification through the transmit or receive signal paths may be done solely in the RF circuitry 606, solely in the FEM 608, or in both the RF circuitry 606 and the FEM 608.

[00101] In some embodiments, the FEM circuitry 608 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 an LNA to amplify received RF signals and provide the amplified received RF signals as an output (e.g., to the RF circuitry 606). The transmit signal path of the FEM circuitry 608 may include a power amplifier (PA) to amplify input RF signals (e.g., provided by RF circuitry 606), and one or more filters to generate RF signals for subsequent transmission (e.g., by one or more of the one or more antennas 610).

[00102] In some embodiments, the PMC 612 may manage power provided to the baseband circuitry 604. In particular, the PMC 612 may control power-source selection, voltage scaling, battery charging, or DC-to-DC conversion. The PMC 612 may often be included when the device 600 is capable of being powered by a battery, for example, when the device is included in a UE. The PMC 612 may increase the power conversion efficiency while providing desirable implementation size and heat dissipation

characteristics.

[00103] While FIG. 6 shows the PMC 612 coupled only with the baseband circuitry 604. However, in other embodiments, the PMC 612 may be additionally or alternatively coupled with, and perform similar power management operations for, other components such as, but not limited to, application circuitry 602, RF circuitry 606, or FEM 608.

[00104] In some embodiments, the PMC 612 may control, or otherwise be part of, various power saving mechanisms of the device 600. For example, if the device 600 is in an RRC_Connected state, where it is still connected to the RAN node 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 600 may power down for brief intervals of time and thus save power.

[00105] If there is no data traffic activity for an extended period of time, then the device 600 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 device 600 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. The device 600 may not receive data in this state, in order to receive data, it can transition back to

RRC Connected state.

[00106] 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.

[00107] Processors of the application circuitry 602 and processors of the baseband circuitry 604 may be used to execute elements of one or more instances of a protocol stack. For example, processors of the baseband circuitry 604, alone or in combination, may be used execute Layer 3, Layer 2, or Layer 1 functionality, while processors of the application circuitry 604 may utilize data (e.g., packet data) received from these layers and further execute Layer 4 functionality (e.g., transmission communication protocol (TCP) and user datagram protocol (UDP) layers). As referred to herein, Layer 3 may comprise a radio resource control (RRC) layer, described in further detail below. As referred to herein, Layer 2 may comprise a medium access control (MAC) layer, a radio link control (RLC) layer, and a packet data convergence protocol (PDCP) layer, described in further detail below. As referred to herein, Layer 1 may comprise a physical (PHY) layer of a UE/RAN node, described in further detail below.

[00108] FIG. 7 illustrates example interfaces of baseband circuitry in accordance with some embodiments. As discussed above, the baseband circuitry 604 of FIG. 6 may comprise processors 604a-604e and a memory 604g utilized by said processors. Each of the processors 604a-604e may include a memory interface, 704a-704e, respectively, to send/receive data to/from the memory 604g.

[00109] The baseband circuitry 604 may further include one or more interfaces to communicatively couple to other circuitries/devices, such as a memory interface 712 (e.g., an interface to send/receive data to/from memory external to the baseband circuitry 604), an application circuitry interface 714 (e.g., an interface to send/receive data to/from the application circuitry 602 of FIG. 6), an RF circuitry interface 716 (e.g., an interface to send/receive data to/from RF circuitry 606 of FIG. 6), a wireless hardware connectivity interface 718 (e.g., an interface to send/receive data to/from Near Field Communication (NFC) components, Bluetooth® components (e.g., Bluetooth® Low Energy), Wi-Fi® components, and other communication components), and a power management interface 720 (e.g., an interface to send/receive power or control signals to/from the PMC 612.

[00110] FIG. 8 provides an example illustration of the wireless device, such as a user equipment (UE), a mobile station (MS), a mobile wireless device, a mobile

communication device, a tablet, a handset, or other type of wireless device. The wireless device can include one or more antennas configured to communicate with a node, macro node, low power node (LPN), or, transmission station, such as a base station (BS), an evolved Node B (eNB), a baseband processing unit (BBU), a remote radio head (RRH), a remote radio equipment (RRE), a relay station (RS), a radio equipment (RE), or other type of wireless wide area network (WWAN) access point. The wireless device can be configured to communicate using at least one wireless communication standard such as, but not limited to, 3 GPP LTE, WiMAX, High Speed Packet Access (HSPA), Bluetooth, and WiFi. The wireless device can communicate using separate antennas for each wireless communication standard or shared antennas for multiple wireless communication standards. The wireless device can communicate in a wireless local area network

(WLAN), a wireless personal area network (WPAN), and/or a WWAN. The wireless device can also comprise a wireless modem. The wireless modem can comprise, for example, a wireless radio transceiver and baseband circuitry (e.g., a baseband processor). The wireless modem can, in one example, modulate signals that the wireless device transmits via the one or more antennas and demodulate signals that the wireless device receives via the one or more antennas.

[00111] FIG. 8 also provides an illustration of a microphone and one or more speakers that can be used for audio input and output from the wireless device. The display screen can be a liquid crystal display (LCD) screen, or other type of display screen such as an organic light emitting diode (OLED) display. The display screen can be configured as a touch screen. The touch screen can use capacitive, resistive, or another type of touch screen technology. An application processor and a graphics processor can be coupled to internal memory to provide processing and display capabilities. A non-volatile memory port can also be used to provide data input/output options to a user. The non-volatile memory port can also be used to expand the memory capabilities of the wireless device. A keyboard can be integrated with the wireless device or wirelessly connected to the wireless device to provide additional user input. A virtual keyboard can also be provided using the touch screen.

Examples

[00112] The following examples pertain to specific technology embodiments and point out specific features, elements, or actions that can be used or otherwise combined in achieving such embodiments.

[00113] Example 1 includes an apparatus of a user equipment (UE) operable for wireless communication of transmission parameters used for data demodulation, the apparatus comprising: one or more processors configured to: decode, at the UE, a physical-layer set of transmission parameters that are configured to be received via physical layer signaling, wherein the physical-layer set of transmission parameters are configured to be used by the UE for decoding data received in a physical downlink channel; identify, at the UE, a default set of transmission parameters that are associated with a higher layer set of transmission parameters, wherein the default set of transmission parameters include additional parameters to the physical-layer set of transmission parameters, the additional parameters to be used by the UE for decoding the data received in the physical downlink channel; and decode, at the UE, the data in the physical downlink channel using the physical-layer set of transmission parameters and one or more of the default set of transmission parameters and the higher layer set of transmission parameters; and a memory interface configured to receive from a memory the default set of transmission parameters.

[00114] Example 2 includes the apparatus of Example 1, wherein the one or more processors are further configured to decode, at the UE, the higher layer set of

transmission parameters received from a new radio node B (gNB) via higher layer signaling.

[00115] Example 3 includes the apparatus of Example 2, wherein the one or more processors are further configured to decode, at the UE, a one-bit indicator for selected transmission parameters in the higher layer set of transmission parameters, wherein the one-bit indicator identifies a use of a transmission parameter in the default set of transmission parameters that is associated with a transmission parameter in the higher layer set of transmission parameters.

[00116] Example 4 includes the apparatus of Example 3, wherein the one or more processors are further configured to decode, at the UE, a first set of downlink control information (DCI) and a second set of DCI, wherein the second set of DCI comprises the one-bit indicator for selected transmission parameters in the higher layer set of transmission parameters.

[00117] Example 5 includes the apparatus of any of Examples 1 to 4, wherein the one or more processors are further configured to decode, at the UE, the data in the physical downlink channel using the physical-layer set of transmission parameters and the default set of transmission parameters when downlink control information (DCI) is received, at the UE, in a common search space.

[00118] Example 6 includes the apparatus of any of Examples 1 to 4, wherein the one or more processors are further configured to decode, at the UE, the data in the physical downlink channel using the physical-layer set of transmission parameters and the default set of transmission parameters when downlink control information (DCI) is decoded, at the UE, using a group identifier.

[00119] Example 7 includes the apparatus of any of Examples 1 to 4, wherein the one or more processors are further configured to decode, at the UE, the data in the physical downlink channel using the physical-layer set of transmission parameters and the higher layer set of transmission parameters when downlink control information (DCI) is received at the UE-specific search space.

[00120] Example 8 includes the apparatus of any of Examples 1 to 7, wherein the one or more processors are further configured to decode, at the UE, the higher layer set of transmission parameters received via radio resource control (RRC) signaling.

[00121] Example 9 includes the apparatus of any of Examples 1 to 8, wherein the one or more processors are further configured to decode, at the UE, the physical layer set of transmission parameters received in downlink control information (DCI) carried by a physical downlink control channel (PDCCH).

[00122] Example 10 includes the apparatus of any of Examples 1 to 9, wherein the higher layer set of transmission parameters includes one or more transmission parameters comprising: antenna port sharing indicator; downlink control information (DCI) bit-field interpreter; transmission scheme; received beamforming identifier; quasi-co-location (QCL) indicator; modulation and coding scheme table; basic resource block assignment information; or PRB bundling size for channel estimation field.

[00123] Example 11 includes the apparatus of any of Examples 1 to 10, wherein the physical layer set of transmission parameters includes one or more transmission parameters comprising: resource allocation information; rate matching information; antenna port sharing indicator; beam switch command indicator; or transmission scheme.

[00124] Example 12 includes the apparatus of any of Examples 1 to 11, wherein the default set of transmission parameters includes one or more transmission parameters comprising: antenna port sharing indicator; downlink control information (DCI) bit-field interpreter; transmission scheme; received beamforming identifier; or quasi-co-location (QCL) indicator.

[00125] Example 13 includes an apparatus of a new radio node B (gNB) operable for wireless communication of transmission parameters used for data demodulation, the apparatus comprising: one or more processors configured to: encode, at the gNB, a physical-layer set of transmission parameters that are configured to be transmitted via physical layer signaling, wherein the physical-layer set of transmission parameters are configured to be used by the user equipment (UE) for decoding data received in a physical downlink channel; and encode, at the gNB, for transmission to the UE via higher layer signaling, a higher layer set of transmission parameters that are associated with a default set of transmission parameters stored at the UE, wherein the default set of transmission parameters include additional parameters to the physical-layer set of transmission parameters, the additional parameters to be used by the UE for decoding the data received in the physical downlink channel; and a memory interface configured to receive from a memory the higher layer set of transmission parameters.

[00126] Example 14 includes the apparatus of Example 13, wherein the one or more processors are further configured to encode, at the gNB, a one-bit indicator for selected transmission parameters in the higher layer set of transmission parameters, wherein the one-bit indicator identifies a use of a transmission parameter in the default set of transmission parameters that is associated with a transmission parameter in the higher layer set of transmission parameters.

[00127] Example 15 includes the apparatus of Example 14, wherein the one or more processors are further configured to encode, at the gNB, a first set of downlink control information (DCI) and a second set of DCI, wherein the second set of DCI comprises the one-bit indicator for selected transmission parameters in the higher layer set of transmission parameters.

[00128] Example 16 includes the apparatus of any of Examples 13 to 15, wherein the one or more processors are further configured to encode, at the gNB, the higher layer set of transmission parameters transmitted via radio resource control (RRC) signaling.

[00129] Example 17 includes the apparatus of any of Examples 13 to 15, wherein the one or more processors are further configured to encode, at the gNB, the physical layer set of transmission parameters transmitted in downlink control information (DCI) carried by a physical downlink control channel (PDCCH).

[00130] Example 18 includes the apparatus of any of Examples 13 to 17, wherein the higher layer set of transmission parameters includes one or more transmission parameters comprising: antenna port sharing indicator; downlink control information (DCI) bit-field interpreter; transmission scheme; received beamforming identifier; quasi-co-location (QCL) indicator; modulation and coding scheme table; basic resource block assignment information; or PRB bundling size for channel estimation field.

[00131] Example 19 includes the apparatus of any of Examples 13 to 18, wherein the physical layer set of transmission parameters includes one or more transmission parameters comprising: resource allocation information; rate matching information; antenna port sharing indicator; beam switch command indicator; or transmission scheme.

[00132] Example 20 includes the apparatus of any of Examples 13 to 19, wherein the default set of transmission parameters includes one or more transmission parameters comprising: antenna port sharing indicator; downlink control information (DCI) bit-field interpreter; transmission scheme; received beamforming identifier; or quasi-co-location (QCL) indicator.

[00133] Example 21 includes at least one machine readable storage medium having instructions embodied thereon for performing wireless communication of transmission parameters used for data demodulation, the instructions when executed by one or more processors at a UE perform the following: decode, at the UE, a physical-layer set of transmission parameters that are configured to be received via physical layer signaling, wherein the physical-layer set of transmission parameters are configured to be used by the UE for decoding data received in a physical downlink channel; identify, at the UE, a default set of transmission parameters that are associated with a higher layer set of transmission parameters, wherein the default set of transmission parameters include additional parameters to the physical-layer set of transmission parameters, the additional parameters to be used by the UE for decoding the data received in the physical downlink channel; and decode, at the UE, the data in the physical downlink channel using the physical-layer set of transmission parameters and one or more of the default set of transmission parameters and the higher layer set of transmission parameters. [00134] Example 22 includes the at least one machine readable storage medium of Example 21, wherein the instructions when executed by one or more processors at the UE further perform the following: decode, at the UE, the higher layer set of transmission parameters received from a new radio node B (gNB) via higher layer signaling.

[00135] Example 23 includes the at least one machine readable storage medium of Example 22, wherein the instructions when executed by one or more processors at the UE further perform the following: decode, at the UE, a one-bit indicator for selected transmission parameters in the higher layer set of transmission parameters, wherein the one-bit indicator identifies a use of a transmission parameter in the default set of transmission parameters that is associated with a transmission parameter in the higher layer set of transmission parameters.

[00136] Example 24 includes the at least one machine readable storage medium of Example 23, wherein the instructions when executed by one or more processors at the UE further perform the following: decode, at the UE, a first set of downlink control information (DCI) and a second set of DCI, wherein the second set of DCI comprises the one-bit indicator for selected transmission parameters in the higher layer set of transmission parameters.

[00137] Example 25 includes the at least one machine readable storage medium of any of Examples 21 to 24, wherein the instructions when executed by one or more processors at the UE further perform the following: decode, at the UE, the data in the physical downlink channel using the physical-layer set of transmission parameters and the default set of transmission parameters when downlink control information (DCI) is received, at the UE, in a common search space.

[00138] Example 26 includes the at least one machine readable storage medium of any of Examples 21 to 24, wherein the instructions when executed by one or more processors at the UE further perform the following: decode, at the UE, the data in the physical downlink channel using the physical-layer set of transmission parameters and the default set of transmission parameters when downlink control information (DCI) is decoded, at the UE, using a group identifier.

[00139] Example 27 includes the at least one machine readable storage medium of any of Examples 21 to 24, wherein the instructions when executed by one or more processors at the UE further perform the following: decode, at the UE, the data in the physical downlink channel using the physical-layer set of transmission parameters and the higher layer set of transmission parameters when downlink control information (DCI) is received at the UE-specific search space.

[00140] Example 28 includes the at least one machine readable storage medium of any of Examples 21 to 27, wherein the higher layer set of transmission parameters includes one or more transmission parameters comprising: antenna port sharing indicator;

downlink control information (DCI) bit-field interpreter; transmission scheme; received beamforming identifier; quasi-co-location (QCL) indicator; modulation and coding scheme table; basic resource block assignment information; or PRB bundling size for channel estimation field.

[00141] Example 29 includes the at least one machine readable storage medium of any of Examples 21 to 28, wherein the physical layer set of transmission parameters includes one or more transmission parameters comprising: resource allocation information; rate matching information; antenna port sharing indicator; beam switch command indicator; or transmission scheme.

[00142] Example 30 includes the at least one machine readable storage medium of any of Examples 21 to 29, wherein the default set of transmission parameters includes one or more transmission parameters comprising: antenna port sharing indicator; downlink control information (DCI) bit-field interpreter; transmission scheme; received

beamforming identifier; or quasi-co-location (QCL) indicator.

[00143] Example 31 includes a user equipment (UE) operable to perform wireless communication of transmission parameters used for data demodulation, the UE comprising: means for decoding, at the UE, a physical-layer set of transmission parameters that are configured to be received via physical layer signaling, wherein the physical-layer set of transmission parameters are configured to be used by the UE for decoding data received in a physical downlink channel; means for identifying, at the UE, a default set of transmission parameters that are associated with a higher layer set of transmission parameters, wherein the default set of transmission parameters include additional parameters to the physical-layer set of transmission parameters, the additional parameters to be used by the UE for decoding the data received in the physical downlink channel; and means for decoding, at the UE, the data in the physical downlink channel using the physical-layer set of transmission parameters and one or more of the default set of transmission parameters and the higher layer set of transmission parameters.

[00144] Example 32 includes the UE of Example 31, the UE further comprising: means for decoding, at the UE, the higher layer set of transmission parameters received from a new radio node B (gNB) via higher layer signaling.

[00145] Example 33 includes the UE of Example 32, the UE further comprising: means for decoding, at the UE, a one-bit indicator for selected transmission parameters in the higher layer set of transmission parameters, wherein the one-bit indicator identifies a use of a transmission parameter in the default set of transmission parameters that is associated with a transmission parameter in the higher layer set of transmission parameters.

[00146] Example 34 includes the UE of Example 33, the UE further comprising: means for decoding, at the UE, a first set of downlink control information (DCI) and a second set of DCI, wherein the second set of DCI comprises the one-bit indicator for selected transmission parameters in the higher layer set of transmission parameters.

[00147] Example 35 includes the UE of Example 31, the UE further comprising: means for decoding, at the UE, the data in the physical downlink channel using the physical-layer set of transmission parameters and the default set of transmission parameters when downlink control information (DCI) is received, at the UE, in a common search space.

[00148] Example 36 includes the UE of Example 31, the UE further comprising: means for decoding, at the UE, the data in the physical downlink channel using the physical-layer set of transmission parameters and the default set of transmission parameters when downlink control information (DCI) is decoded, at the UE, using a group identifier.

[00149] Example 37 includes the UE of Example 31, the UE further comprising: means for decoding, at the UE, the data in the physical downlink channel using the physical-layer set of transmission parameters and the higher layer set of transmission parameters when downlink control information (DCI) is received at the UE-specific search space.

[00150] Example 38 includes the UE of any of Examples 31 to 37, wherein the higher layer set of transmission parameters includes one or more transmission parameters comprising: antenna port sharing indicator; downlink control information (DCI) bit-field interpreter; transmission scheme; received beamforming identifier; quasi-co-location (QCL) indicator; modulation and coding scheme table; basic resource block assignment information; or PRB bundling size for channel estimation field.

[00151] Example 39 includes the UE of any of Examples 31 to 38, wherein the physical layer set of transmission parameters includes one or more transmission parameters comprising: resource allocation information; rate matching information; antenna port sharing indicator; beam switch command indicator; or transmission scheme.

[00152] Example 40 includes the UE of any of Examples 31 to 39, wherein the default set of transmission parameters includes one or more transmission parameters comprising: antenna port sharing indicator; downlink control information (DCI) bit-field interpreter; transmission scheme; received beamforming identifier; or quasi-co-location (QCL) indicator.

[00153] Example 41 includes an apparatus of a user equipment (UE) operable for wireless communication of transmission parameters used for data demodulation, the apparatus comprising: one or more processors configured to: decode, at the UE, a physical-layer set of transmission parameters that are configured to be received via physical layer signaling, wherein the physical-layer set of transmission parameters are configured to be used by the UE for decoding data received in a physical downlink channel; identify, at the UE, a default set of transmission parameters that are associated with a higher layer set of transmission parameters, wherein the default set of transmission parameters include additional parameters to the physical-layer set of transmission parameters, the additional parameters to be used by the UE for decoding the data received in the physical downlink channel; and decode, at the UE, the data in the physical downlink channel using the physical-layer set of transmission parameters and one or more of the default set of transmission parameters and the higher layer set of transmission parameters; and a memory interface configured to receive from a memory the default set of transmission parameters.

[00154] Example 42 includes the apparatus of Example 41, wherein the one or more processors are further configured to: decode, at the UE, the higher layer set of transmission parameters received from a new radio node B (gNB) via higher layer signaling; or decode, at the UE, a one-bit indicator for selected transmission parameters in the higher layer set of transmission parameters, wherein the one-bit indicator identifies a use of a transmission parameter in the default set of transmission parameters that is associated with a transmission parameter in the higher layer set of transmission parameters.

[00155] Example 43 includes the apparatus of Example 42, wherein the one or more processors are further configured to decode, at the UE, a first set of downlink control information (DCI) and a second set of DCI, wherein the second set of DCI comprises the one-bit indicator for selected transmission parameters in the higher layer set of transmission parameters.

[00156] Example 44 includes the apparatus of any of Examples 41 to 43, wherein the one or more processors are further configured to: decode, at the UE, the data in the physical downlink channel using the physical-layer set of transmission parameters and the default set of transmission parameters when downlink control information (DCI) is received, at the UE, in a common search space; decode, at the UE, the data in the physical downlink channel using the physical-layer set of transmission parameters and the default set of transmission parameters when downlink control information (DCI) is decoded, at the UE, using a group identifier; or decode, at the UE, the data in the physical downlink channel using the physical-layer set of transmission parameters and the higher layer set of transmission parameters when downlink control information (DCI) is received at the UE- specific search space.

[00157] Example 45 includes the apparatus of any of Examples 41 to 44, wherein the one or more processors are further configured to: decode, at the UE, the higher layer set of transmission parameters received via radio resource control (RRC) signaling; or decode, at the UE, the physical layer set of transmission parameters received in downlink control information (DCI) carried by a physical downlink control channel (PDCCH). [00158] Example 46 includes an apparatus of a new radio node B (gNB) operable for wireless communication of transmission parameters used for data demodulation, the apparatus comprising: one or more processors configured to: encode, at the gNB, a physical-layer set of transmission parameters that are configured to be transmitted via physical layer signaling, wherein the physical-layer set of transmission parameters are configured to be used by the user equipment (UE) for decoding data received in a physical downlink channel; and encode, at the gNB, for transmission to the UE via higher layer signaling, a higher layer set of transmission parameters that are associated with a default set of transmission parameters stored at the UE, wherein the default set of transmission parameters include additional parameters to the physical-layer set of transmission parameters, the additional parameters to be used by the UE for decoding the data received in the physical downlink channel; and a memory interface configured to receive from a memory the higher layer set of transmission parameters.

[00159] Example 47 includes the apparatus of Example 46, wherein the one or more processors are further configured to encode, at the gNB, a one-bit indicator for selected transmission parameters in the higher layer set of transmission parameters, wherein the one-bit indicator identifies a use of a transmission parameter in the default set of transmission parameters that is associated with a transmission parameter in the higher layer set of transmission parameters. [00160] Example 48 includes the apparatus of Example 47, wherein the one or more processors are further configured to encode, at the gNB, a first set of downlink control information (DCI) and a second set of DCI, wherein the second set of DCI comprises the one-bit indicator for selected transmission parameters in the higher layer set of transmission parameters. [00161] Example 49 includes the apparatus of any of Examples 46 to 48, wherein the one or more processors are further configured to: encode, at the gNB, the higher layer set of transmission parameters transmitted via radio resource control (RRC) signaling;

encode, at the gNB, the physical layer set of transmission parameters transmitted in downlink control information (DCI) carried by a physical downlink control channel (PDCCH).

[00162] Example 50 includes the apparatus of any of Examples 41 to 49, wherein the higher layer set of transmission parameters, the physical layer set of transmission parameters, or the default set of transmission parameters include one or more

transmission parameters comprising: antenna port sharing indicator; downlink control information (DCI) bit-field interpreter; transmission scheme; received beamforming identifier; quasi-co-location (QCL) indicator; modulation and coding scheme table; basic resource block assignment information; PRB bundling size for channel estimation field; resource allocation information; rate matching information; or beam switch command indicator.

[00163] Example 51 includes at least one machine readable storage medium having instructions embodied thereon for performing wireless communication of transmission parameters used for data demodulation, the instructions when executed by one or more processors at a UE perform the following: decode, at the UE, a physical-layer set of transmission parameters that are configured to be received via physical layer signaling, wherein the physical-layer set of transmission parameters are configured to be used by the UE for decoding data received in a physical downlink channel; identify, at the UE, a default set of transmission parameters that are associated with a higher layer set of transmission parameters, wherein the default set of transmission parameters include additional parameters to the physical-layer set of transmission parameters, the additional parameters to be used by the UE for decoding the data received in the physical downlink channel; and decode, at the UE, the data in the physical downlink channel using the physical-layer set of transmission parameters and one or more of the default set of transmission parameters and the higher layer set of transmission parameters.

[00164] Example 52 includes the at least one machine readable storage medium of Example 51 , wherein the instructions when executed by one or more processors at the UE further perform the following: decode, at the UE, the higher layer set of transmission parameters received from a new radio node B (gNB) via higher layer signaling; or decode, at the UE, a one-bit indicator for selected transmission parameters in the higher layer set of transmission parameters, wherein the one-bit indicator identifies a use of a transmission parameter in the default set of transmission parameters that is associated with a transmission parameter in the higher layer set of transmission parameters.

[00165] Example 53 includes the at least one machine readable storage medium of Example 52, wherein the instructions when executed by one or more processors at the UE further perform the following: decode, at the UE, a first set of downlink control information (DCI) and a second set of DCI, wherein the second set of DCI comprises the one-bit indicator for selected transmission parameters in the higher layer set of transmission parameters.

[00166] Example 54 includes the at least one machine readable storage medium of any of Examples 51 to 53, wherein the instructions when executed by one or more processors at the UE further perform the following: decode, at the UE, the data in the physical downlink channel using the physical-layer set of transmission parameters and the default set of transmission parameters when downlink control information (DCI) is received, at the UE, in a common search space; decode, at the UE, the data in the physical downlink channel using the physical-layer set of transmission parameters and the default set of transmission parameters when downlink control information (DCI) is decoded, at the UE, using a group identifier; or decode, at the UE, the data in the physical downlink channel using the physical-layer set of transmission parameters and the higher layer set of transmission parameters when downlink control information (DCI) is received at the UE- specific search space.

[00167] Example 55 includes the at least one machine readable storage medium of any of Examples 51 to 54, wherein the higher layer set of transmission parameters, the physical layer set of transmission parameters, or the default set of transmission parameters include one or more transmission parameters comprising: antenna port sharing indicator; downlink control information (DCI) bit-field interpreter; transmission scheme; received beamforrning identifier; quasi-co-location (QCL) indicator; modulation and coding scheme table; basic resource block assignment information; PRB bundling size for channel estimation field; resource allocation information; rate matching information; or beam switch command indicator.

[00168] Various techniques, or certain aspects or portions thereof, may take the form of program code (i.e., instructions) embodied in tangible media, such as floppy diskettes, compact disc-read-only memory (CD-ROMs), hard drives, non-transitory computer readable storage medium, or any other machine-readable storage medium wherein, when the program code is loaded into and executed by a machine, such as a computer, the machine becomes an apparatus for practicing the various techniques. In the case of program code execution on programmable computers, the computing device may include a processor, a storage medium readable by the processor (including volatile and nonvolatile memory and/or storage elements), at least one input device, and at least one output device. The volatile and non-volatile memory and/or storage elements may be a random-access memory (RAM), erasable programmable read only memory (EPROM), flash drive, optical drive, magnetic hard drive, solid state drive, or other medium for storing electronic data. The node and wireless device may also include a transceiver module (i.e., transceiver), a counter module (i.e., counter), a processing module (i.e., processor), and/or a clock module (i.e., clock) or timer module (i.e., timer). In one example, selected components of the transceiver module can be located in a cloud radio access network (C-RAN). One or more programs that may implement or utilize the various techniques described herein may use an application programming interface (API), reusable controls, and the like. Such programs may be implemented in a high level procedural or object oriented programming language to communicate with a computer system. However, the program(s) may be implemented in assembly or machine language, if desired. In any case, the language may be a compiled or interpreted language, and combined with hardware implementations.

[00169] As used herein, the term "circuitry" may refer to, be part of, or include an Application Specific Integrated Circuit (ASIC), an electronic circuit, a processor

(shared, dedicated, or group), and/or memory (shared, dedicated, or group) that execute one or more software or firmware programs, a combinational logic circuit, and/or other suitable hardware components that provide the described functionality. In some embodiments, the circuitry may be implemented in, or functions associated with the circuitry may be implemented by, one or more software or firmware modules. In some embodiments, circuitry may include logic, at least partially operable in hardware.

[00170] It should be understood that many of the functional units described in this specification have been labeled as modules, in order to more particularly emphasize their implementation independence. For example, a module may be implemented as a hardware circuit comprising custom very-large-scale integration (VLSI) circuits or gate arrays, off-the-shelf semiconductors such as logic chips, transistors, or other discrete components. A module may also be implemented in programmable hardware devices such as field programmable gate arrays, programmable array logic, programmable logic devices or the like.

[00171] Modules may also be implemented in software for execution by various types of processors. An identified module of executable code may, for instance, comprise one or more physical or logical blocks of computer instructions, which may, for instance, be organized as an object, procedure, or function. Nevertheless, the executables of an identified module may not be physically located together, but may comprise disparate instructions stored in different locations which, when joined logically together, comprise the module and achieve the stated purpose for the module.

[00172] Indeed, a module of executable code may be a single instruction, or many instructions, and may even be distributed over several different code segments, among different programs, and across several memory devices. Similarly, operational data may be identified and illustrated herein within modules, and may be embodied in any suitable form and organized within any suitable type of data structure. The operational data may be collected as a single data set, or may be distributed over different locations including over different storage devices, and may exist, at least partially, merely as electronic signals on a system or network. The modules may be passive or active, including agents operable to perform desired functions.

[00173] Reference throughout this specification to "an example" or "exemplary" means that a particular feature, structure, or characteristic described in connection with the example is included in at least one embodiment of the present technology. Thus, appearances of the phrases "in an example" or the word "exemplary" in various places throughout this specification are not necessarily all referring to the same embodiment.

[00174] As used herein, a plurality of items, structural elements, compositional elements, and/or materials may be presented in a common list for convenience. However, these lists should be construed as though each member of the list is individually identified as a separate and unique member. Thus, no individual member of such list should be construed as a de facto equivalent of any other member of the same list solely based on their presentation in a common group without indications to the contrary. In addition, various embodiments and example of the present technology may be referred to herein along with alternatives for the various components thereof. It is understood that such embodiments, examples, and alternatives are not to be construed as defacto equivalents of one another, but are to be considered as separate and autonomous representations of the present technology.

[00175] Furthermore, the described features, structures, or characteristics may be combined in any suitable manner in one or more embodiments. In the following description, numerous specific details are provided, such as examples of layouts, distances, network examples, etc., to provide a thorough understanding of embodiments of the technology. One skilled in the relevant art will recognize, however, that the technology can be practiced without one or more of the specific details, or with other methods, components, layouts, etc. In other instances, well-known structures, materials, or operations are not shown or described in detail to avoid obscuring aspects of the technology.

[00176] While the forgoing examples are illustrative of the principles of the present technology in one or more particular applications, it will be apparent to those of ordinary skill in the art that numerous modifications in form, usage and details of implementation can be made without the exercise of inventive faculty, and without departing from the principles and concepts of the technology. Accordingly, it is not intended that the technology be limited, except as by the claims set forth below.

Claims

CLAIMS What is claimed is:

1. An apparatus of a user equipment (UE) operable for wireless

communication of transmission parameters used for data demodulation, the apparatus comprising:

one or more processors configured to:

decode, at the UE, a physical-layer set of transmission parameters that are configured to be received via physical layer signaling, wherein the physical-layer set of transmission parameters are configured to be used by the UE for decoding data received in a physical downlink channel;

identify, at the UE, a default set of transmission parameters that are associated with a higher layer set of transmission parameters, wherein the default set of transmission parameters include additional parameters to the physical-layer set of transmission parameters, the additional parameters to be used by the UE for decoding the data received in the physical downlink channel; and

decode, at the UE, the data in the physical downlink channel using the physical- layer set of transmission parameters and one or more of the default set of transmission parameters and the higher layer set of transmission parameters; and

a memory interface configured to receive from a memory the default set of transmission parameters.

2. The apparatus of claim 1, wherein the one or more processors are further configured to decode, at the UE, the higher layer set of transmission parameters received from a new radio node B (gNB) via higher layer signaling.

3. The apparatus of claim 2, wherein the one or more processors are further configured to decode, at the UE, a one-bit indicator for selected transmission parameters in the higher layer set of transmission parameters, wherein the one-bit indicator identifies a use of a transmission parameter in the default set of transmission parameters that is associated with a transmission parameter in the higher layer set of transmission parameters.

4. The apparatus of claim 3, wherein the one or more processors are further configured to decode, at the UE, a first set of downlink control information (DCI) and a second set of DCI, wherein the second set of DCI comprises the one-bit indicator for selected transmission parameters in the higher layer set of transmission parameters.

5. The apparatus of any of claims 1 to 4, wherein the one or more processors are further configured to decode, at the UE, the data in the physical downlink channel using the physical-layer set of transmission parameters and the default set of transmission parameters when downlink control information (DCI) is received, at the UE, in a common search space.

6. The apparatus of any of claims 1 to 4, wherein the one or more processors are further configured to decode, at the UE, the data in the physical downlink channel using the physical-layer set of transmission parameters and the default set of transmission parameters when downlink control information (DCI) is decoded, at the UE, using a group identifier.

7. The apparatus of any of claims 1 to 4, wherein the one or more processors are further configured to decode, at the UE, the data in the physical downlink channel using the physical-layer set of transmission parameters and the higher layer set of transmission parameters when downlink control information (DCI) is received at the UE- specific search space.

8. The apparatus of claim 1, wherein the one or more processors are further configured to decode, at the UE, the higher layer set of transmission parameters received via radio resource control (RRC) signaling.

9. The apparatus of claim 1, wherein the one or more processors are further configured to decode, at the UE, the physical layer set of transmission parameters received in downlink control information (DCI) carried by a physical downlink control channel (PDCCH).

10. The apparatus of claim 1 , wherein the higher layer set of transmission parameters includes one or more transmission parameters comprising:

antenna port sharing indicator;

downlink control information (DCI) bit-field interpreter;

transmission scheme;

received beamforming identifier;

quasi-co-location (QCL) indicator;

modulation and coding scheme table;

basic resource block assignment information; or

PRB bundling size for channel estimation field.

1 1. The apparatus of claim 1 , wherein the physical layer set of transmission parameters includes one or more transmission parameters comprising:

resource allocation information;

rate matching information;

antenna port sharing indicator;

beam switch command indicator; or

transmission scheme.

12. The apparatus of claim 1 , wherein the default set of transmission parameters includes one or more transmission parameters comprising:

antenna port sharing indicator;

downlink control information (DCI) bit-field interpreter;

transmission scheme;

received beamforming identifier; or

quasi-co-location (QCL) indicator.

13. An apparatus of a new radio node B (gNB) operable for wireless communication of transmission parameters used for data demodulation, the apparatus comprising:

one or more processors configured to: encode, at the gNB, a physical-layer set of transmission parameters that are configured to be transmitted via physical layer signaling, wherein the physical-layer set of transmission parameters are configured to be used by the user equipment (UE) for decoding data received in a physical downlink channel; and

encode, at the gNB, for transmission to the UE via higher layer signaling, a higher layer set of transmission parameters that are associated with a default set of transmission parameters stored at the UE, wherein the default set of transmission parameters include additional parameters to the physical-layer set of transmission parameters, the additional parameters to be used by the UE for decoding the data received in the physical downlink channel; and

a memory interface configured to receive from a memory the higher layer set of transmission parameters.

14. The apparatus of claim 13, wherein the one or more processors are further configured to encode, at the gNB, a one-bit indicator for selected transmission parameters in the higher layer set of transmission parameters, wherein the one-bit indicator identifies a use of a transmission parameter in the default set of transmission parameters that is associated with a transmission parameter in the higher layer set of transmission parameters.

15. The apparatus of claim 14, wherein the one or more processors are further configured to encode, at the gNB, a first set of downlink control information (DCI) and a second set of DCI, wherein the second set of DCI comprises the one-bit indicator for selected transmission parameters in the higher layer set of transmission parameters.

16. The apparatus of any of claims 13 to 15, wherein the one or more processors are further configured to encode, at the gNB, the higher layer set of transmission parameters transmitted via radio resource control (RRC) signaling.

17. The apparatus of any of claims 13 to 15, wherein the one or more processors are further configured to encode, at the gNB, the physical layer set of transmission parameters transmitted in downlink control information (DCI) carried by a physical downlink control channel (PDCCH).

18. The apparatus of claim 13, wherein the higher layer set of transmission parameters includes one or more transmission parameters comprising:

antenna port sharing indicator;

downlink control information (DCI) bit-field interpreter;

transmission scheme;

received beamforming identifier;

quasi-co-location (QCL) indicator;

modulation and coding scheme table;

basic resource block assignment information; or

PRB bundling size for channel estimation field.

19. The apparatus of claim 13, wherein the physical layer set of transmission parameters includes one or more transmission parameters comprising:

resource allocation information;

rate matching information;

antenna port sharing indicator;

beam switch command indicator; or

transmission scheme.

20. The apparatus of claim 13, wherein the default set of transmission parameters includes one or more transmission parameters comprising:

antenna port sharing indicator;

downlink control information (DCI) bit-field interpreter;

transmission scheme;

received beamforming identifier; or

quasi-co-location (QCL) indicator.

21. At least one machine readable storage medium having instructions embodied thereon for performing wireless communication of transmission parameters used for data demodulation, the instructions when executed by one or more processors at a UE perform the following:

decode, at the UE, the data in the physical downlink channel using the physical- layer set of transmission parameters and one or more of the default set of transmission parameters and the higher layer set of transmission parameters.

22. The at least one machine readable storage medium of claim 21 , wherein the instructions when executed by one or more processors at the UE further perform the following:

decode, at the UE, the higher layer set of transmission parameters received from a new radio node B (gNB) via higher layer signaling.

23. The at least one machine readable storage medium of claim 22, wherein the instructions when executed by one or more processors at the UE further perform the following:

decode, at the UE, a one-bit indicator for selected transmission parameters in the higher layer set of transmission parameters, wherein the one-bit indicator identifies a use of a transmission parameter in the default set of transmission parameters that is associated with a transmission parameter in the higher layer set of transmission parameters.

24. The at least one machine readable storage medium of claim 23, wherein the instructions when executed by one or more processors at the UE further perform the following: decode, at the UE, a first set of downlink control information (DCI) and a second set of DCI, wherein the second set of DCI comprises the one-bit indicator for selected transmission parameters in the higher layer set of transmission parameters.

25. The at least one machine readable storage medium of any of claims 21 to 24, wherein the instructions when executed by one or more processors at the UE further perform the following:

decode, at the UE, the data in the physical downlink channel using the physical- layer set of transmission parameters and the default set of transmission parameters when downlink control information (DCI) is received, at the UE, in a common search space.

26. The at least one machine readable storage medium of any of claims 21 to 24, wherein the instructions when executed by one or more processors at the UE further perform the following:

decode, at the UE, the data in the physical downlink channel using the physical- layer set of transmission parameters and the default set of transmission parameters when downlink control information (DCI) is decoded, at the UE, using a group identifier.

27. The at least one machine readable storage medium of any of claims 21 to 24, wherein the instructions when executed by one or more processors at the UE further perform the following:

decode, at the UE, the data in the physical downlink channel using the physical- layer set of transmission parameters and the higher layer set of transmission parameters when downlink control information (DCI) is received at the UE-specific search space.

28. The at least one machine readable storage medium of claim 21, wherein the higher layer set of transmission parameters includes one or more transmission parameters comprising:

antenna port sharing indicator;

downlink control information (DCI) bit-field interpreter;

transmission scheme;

received bearnforrning identifier; quasi-co-location (QCL) indicator;

modulation and coding scheme table;

basic resource block assignment information; or

PRB bundling size for channel estimation field.

29. The at least one machine readable storage medium of claim 21 , wherein the physical layer set of transmission parameters includes one or more transmission parameters comprising:

resource allocation information;

rate matching information;

antenna port sharing indicator;

beam switch command indicator; or

transmission scheme.

30. The at least one machine readable storage medium of claim 21 , wherein the default set of transmission parameters includes one or more transmission parameters comprising:

antenna port sharing indicator;

downlink control information (DCI) bit-field interpreter;

transmission scheme;

received beamforming identifier; or

quasi-co-location (QCL) indicator.