WO2018005615A1 - Retour d'accusé de réception précoce pour transmissions groupées 5g - Google Patents

Retour d'accusé de réception précoce pour transmissions groupées 5g Download PDF

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Publication number
WO2018005615A1
WO2018005615A1 PCT/US2017/039690 US2017039690W WO2018005615A1 WO 2018005615 A1 WO2018005615 A1 WO 2018005615A1 US 2017039690 W US2017039690 W US 2017039690W WO 2018005615 A1 WO2018005615 A1 WO 2018005615A1
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WO
WIPO (PCT)
Prior art keywords
feedback
gdlt
transmission
pdsch
pdcch
Prior art date
Application number
PCT/US2017/039690
Other languages
English (en)
Inventor
Gang Xiong
Hong He
Yushu Zhang
Wenting CHANG
Yuan Zhu
Original Assignee
Intel IP Corporation
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Intel IP Corporation filed Critical Intel IP Corporation
Priority to CN201780033549.2A priority Critical patent/CN109314620B/zh
Publication of WO2018005615A1 publication Critical patent/WO2018005615A1/fr

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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/003—Arrangements for allocating sub-channels of the transmission path
    • H04L5/0053—Allocation of signaling, i.e. of overhead other than pilot signals
    • H04L5/0055—Physical resource allocation for ACK/NACK
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/12—Arrangements for detecting or preventing errors in the information received by using return channel
    • H04L1/16—Arrangements for detecting or preventing errors in the information received by using return channel in which the return channel carries supervisory signals, e.g. repetition request signals
    • H04L1/18—Automatic repetition systems, e.g. Van Duuren systems
    • H04L1/1829—Arrangements specially adapted for the receiver end
    • H04L1/1854—Scheduling and prioritising arrangements
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/003—Arrangements for allocating sub-channels of the transmission path
    • H04L5/0044—Arrangements for allocating sub-channels of the transmission path allocation of payload
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/003—Arrangements for allocating sub-channels of the transmission path
    • H04L5/0053—Allocation of signaling, i.e. of overhead other than pilot signals
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/14—Two-way operation using the same type of signal, i.e. duplex
    • H04L5/1469—Two-way operation using the same type of signal, i.e. duplex using time-sharing

Definitions

  • the disclosure herein pertains to wireless networks and wireless communications. Some aspects relate to 5G systems and include mechanisms for early acknowledgement feedback for grouped transmissions.
  • next generation wireless communication system for example, fifth generation (5G)
  • 5G may provide greater access to information and sharing of data by various users and applications.
  • Fifth generation will help to provide a unified network/system that targets meeting vastly different and sometime conflicting performance dimensions and services. Such diverse multi-dimensional requirements are driven by different services and applications.
  • 3 GPP Third Generation Partnership Project
  • LTE Long Term Evolution
  • RATs Radio Access Technologies
  • 5G may enable a wide range of devices connected by wireless links to deliver fast and rich contents and services. Improved communications remains a goal for 5G systems.
  • BRIEF DESCRIPTION OF THE DRAWINGS BRIEF DESCRIPTION OF THE DRAWINGS
  • FIG. 1 is a pictorial diagram of a system including a user equipment (UE) operating between two radio access networks (RANs), in accordance with some aspects.
  • UE user equipment
  • RANs radio access networks
  • FIG. 2 is a block timing diagram that illustrates one example of a self- contained time division duplex (TDD) subframe structure comprising a downlink (DL) subframe sent by the eNB to the UE, and an uplink (UL) subframe sent by the UE to the eNB, in accordance with some aspects.
  • TDD time division duplex
  • FIG. 3 is a block timing diagram that illustrates a self-contained TDD subframe structure with aggregation in the DL, in accordance with some aspects.
  • FIG. 4 is a block timing diagram of an aggregated DL data subframe 400 that may be used to illustrate an issue when a UE misses the DL grant for PDSCH in N aggregated subframes, in accordance with some aspects.
  • FIG. 5 is a flowchart of a process 500 that illustrates a detailed procedure for early feedback for a DL grouped transmission, in accordance with some aspects.
  • FIG. 6 is a block timing diagram of an aggregated DL data subframe for a DL grouped transmission that illustrates one example (Option 1) of early feedback timing for a DL grouped transmission for TDD system, in accordance with some aspects.
  • FIG. 7 is a block timing diagram of an aggregated DL data subframe for a DL grouped transmission that illustrates another example (Option 2) of early feedback timing for a DL grouped transmission for TDD system, in accordance with some aspects.
  • FIG. 8 is a block timing diagram of an aggregated DL data subframe for a DL grouped transmission that illustrates another example of early feedback timing for DL grouped transmission for TDD system, in accordance with some aspects.
  • FIG. 9 is a flowchart that illustrates a procedure for early feedback for a UL grouped transmission, in accordance with some aspects.
  • FIG. 10 is a block timing diagram of an aggregated UL data subframe for a US grouped transmission that illustrates one example of early feedback timing, in accordance with some aspects.
  • FIG. 11 is a block diagram of an aggregated UL data subframe for a UL grouped transmission that illustrates another example of early feedback timing, in accordance with some aspects.
  • FIG. 12 is a block diagram that illustrates, for one aspect, example components of an electronic device.
  • FIG. 13 is a flowchart that illustrates a process for determining whether to continue or terminate a grouped transmission, in accordance with some aspects.
  • FIG. 14 is a flowchart that illustrates another process for determining whether to continue or terminate a grouped transmission, in accordance with some aspects.
  • FIG. 15 is a flowchart of a process for generating and transmitting feedback related to the decoding, in accordance with some aspects.
  • FIG. 16 is a flowchart of a process for utilizing the feedback with regard to the transmissions, in accordance with some aspects.
  • FIG. 17 is a flowchart of a process for transmitting a grouped UL transmission, in accordance with some aspects.
  • FIG. 18 is a block diagram of an example machine upon which one or more of the techniques (e.g., methodologies) discussed herein may perform.
  • FIG. 1 is a pictorial diagram of a system including a UE 100 operating between two RANs 130, 131 in accordance with various aspects of the disclosure herein.
  • the UE 100 may be a cellular telephone or some other mobile communications device, such as the device 1800 as illustrated in FIG. 18 and discussed subsequently.
  • the system may further include a cellular network 130 (e.g., Evolved Universal Terrestrial Radio Access Network (E-UTRAN), RAN) having a plurality of cells 111.
  • E-UTRAN Evolved Universal Terrestrial Radio Access Network
  • RAN Evolved Universal Terrestrial Radio Access Network
  • Each cell 111 may have a base station (e.g., evolved nodeB (eNB)) 112 for communication within that particular cell 111.
  • eNB evolved nodeB
  • a cellular network operator 113 comprising switches, controllers, and servers, which may also be configured as devices 1800, may be coupled between landline communication lines (e.g., Internet, telephone lines) and the eNBs of the network 130. This provides the UE 100 with wireless access to the landline communications.
  • the cellular network 130 may communicate with the UE 100 over 3 GPP.
  • a wireless local area network (WLAN) 131 of the system may include an access point (AP) 108 that provides an area of coverage 110 for the WLAN 131.
  • AP access point
  • the UE 100 may access the landline communication lines (e.g., Internet, telephone lines) through the WLAN operator 109.
  • the WLAN operator 109 may also include servers, controllers, and switches.
  • the WLAN 131 may be deployed by the same cellular network operator or a different operator.
  • the WLAN AP 108 is shown collocated with E- UTRAN eNB 112, logically or physically. However, other embodiments may have separate antennas and only substantially overlapping cells 111 and coverage areas 110.
  • the UE 100 may be moving through an area served by both the WLAN 131 and the cellular network 130. For example, if the UE 100 is communicating with the eNB 112 and that network 130 is overloaded with traffic, the UE may be offloaded to the WLAN 131 so that it communicates with the AP 108. Subsequent embodiments may use system information block (SIB) information and RAN assistance information.
  • SIB information may be defined as data that is transmitted from E-UTRAN to the UE that the UE needs to read and decode.
  • the SIB information may be transmitted over the broadcast control channel (BCCH).
  • BCCH broadcast control channel
  • the RAN assistance information may be defined as data that are broadcast by the E-UTRAN that the UE may use to configure its network settings to enable the UE to communicate with the network and/or make traffic steering decision.
  • the information may include UTRAN signal strength thresholds as well as other data.
  • TDD Time Division Duplex
  • FIG. 2 is a block timing diagram that illustrates one example of a self- contained TDD subframe structure comprising a downlink (DL) subframe 200 sent by the e B 112 to the UE 100, and an uplink (UL) subframe 250 sent by the UE 100 to the eNB 112, in accordance with some aspects.
  • DL downlink
  • UL uplink
  • a guard period (GP) 230, 270 is inserted between a 5G physical downlink shared channel (PDSCH) 220 and a 5G physical uplink control channel (PUCCH) 240 as well as a 5G physical downlink control channel (PDCCH) 260 and a 5G physical uplink shared channel (PUSCH) 280.
  • the PDCCH 210 of the DL data subframe 200 may comprise downlink control information (DCI) 212 that carries a DL grant.
  • the PDCCH 260 of the UL data subframe 250 may comprise
  • FIG. 3 is a block timing diagram that illustrates a self-contained TDD subframe structure with aggregation in the DL 300, in accordance with some aspects.
  • the round trip propagation delay and thus, the size of the GP 230, 270 may be large.
  • two or more subframes 205 A, 205B may be aggregated for one PDSCH 220 or PUSCH 280 transmission for one particular UE 100.
  • the PDSCH 220A, 220B (which may be collectively referred to herein as 220) spans two subframes 205 and the GP 230 is inserted in the second subframe 205B.
  • the GP overhead may be reduced by half compared to the TDD subframe structure 200 as shown in the FIG. 2.
  • DCI downlink control information
  • FIG. 4 is a block timing diagram of an aggregated DL data subframe 400 that may be used to illustrate an issue when a UE 100 misses the DL grant for PDSCH 220 in N aggregated subframes, in accordance with some aspects. If the UE 100 misses the DL grant in the DCI 212, then all transmissions in the N aggregated subframes are lost.
  • Various aspects described herein provide mechanisms for 5G systems to enable an early acknowledgement feedback to inform the eNB 112 of the outcome of at least a DCI 212 decoding operation for these aggregated transmissions in multiple subframes (SFs), which may enable improving the system throughput and spectrum efficiency. More specifically, various aspects described herein provide the following: mechanisms to enable early acknowledgement feedback for a DL grouped transmission; and mechanisms to enable early acknowledgement feedback for a UL grouped transmission.
  • FIG. 5 is a flowchart of a process 500 that illustrates a detailed procedure for early feedback for a DL grouped transmission.
  • the early feedback for DL grouped transmission may comprise the following operations.
  • the eNB 112 may transmit, to the UE 100, a PDCCH 210 and grouped PDSCH 220 carrying one or more subframes 205, where the PDCCH 210 carries DL downlink control information (DCI) 212 which indicates the grouped PDSCH 220 transmission and an indicator to enable early feedback.
  • DCI downlink control information
  • the UE 100 may report the feedback by sending an acknowledgement (ACK) (success) or non-acknowledgement (NACK) (failure) to the eNB 112 whether the PDCCH 210 or PDSCH 220 in the first K 0 subframes 205 is successfully decoded via the PUCCH 240 in the allocated resource.
  • ACK acknowledgement
  • NACK non-acknowledgement
  • the value of Ko may be predefined in the specification or configured by higher layers (the general term “higher layers” used herein may be defined as “high layers”) via, for example, 5G master information block (MIB), 5G system information block (SIB), or Radio Resource Control (RRC) signaling, or explicitly indicated in the DCI 212 and Ko ⁇ L (where L is the total number of subframes 205).
  • MIB 5G master information block
  • SIB 5G system information block
  • RRC Radio Resource Control
  • the eNB 112 receives the feedback from the UE 100 and determines whether it is an ACK or a NACK. If the UE 100 fails to decode the PDCCH 210, the UE 100 may not send the feedback to the eNB 112. In this case, eNB 112 may treat the feedback from UE 100 as a NACK. If the reported feedback is an ACK (S515:ACK), the eNB 112 continues the grouped PDSCH transmission carrying the subsequent subframes. If the reported feedback is NACK (S515: NACK OR NO RESP), the eNB 112 terminates the grouped PDSCH transmission.
  • the indication to enable early feedback for DL or UL grouped transmissions may be indicated in the DCI 212 format for DL assignment or UL grant. In another option, it may be configured by higher layer via 5G master information block (MIB), 5G system information block (SIB) or RRC signaling in a cell-specific or UE-specific manner.
  • a configuration information related to DL or UL grouped or aggregation transmissions may be signaled in a UE-specific manner, which may comprise the number of consecutive subframes scheduled by a single DCI format, a set of ACK/NACK timelines for PDCCH reception and ACK/NACK timeline for PDSCHs scheduled by the PDCCH.
  • one index of the configured ACK/NACK timelines for PDCCH and PDSCHs may be dynamically signaled as part of the DCI format.
  • the indication to enable early feedback for DL or UL grouped transmissions may be determined implicitly based on the number of aggregated subframes for the grouped transmission. If the number of aggregated subframes for the grouped transmission is greater than a predefined threshold, early feedback may be implicitly enabled and vice versa.
  • the UE 100 may provide the feedback ACK/NACK via a PUCCH 240 in the allocated resource in a determined subframe to indicate whether an associated PDCCH 210 is successfully decoded or not.
  • the UE 100 may provide the feedback ACK/NACK in the same subframe 205 A. If the UE 100 fails to decode the PDCCH 210, the UE 100 may send nothing to the eNB 112. In this case, the eNB 112 may treat the feedback (or lack thereof) from the UE 100 as a NACK.
  • the ACK/NACK may be transmitted via the PUCCH 240.
  • a PUCCH 240 in a first format (Format 1) that utilizes an on-off transmission scheme may be used for the ACK/NACK transmission.
  • the UE 100 may transmit the PUCCH 240 Format 1 for an ACK in the case when the UE 100 successfully decodes the PDCCH 210, whereas the UE 100 does not transmit anything in the case when the UE 100 fails to decode the PDCCH 210.
  • FIG. 6 is a block timing diagram of an aggregated DL data subframe for a DL grouped transmission 600 that illustrates one example (Option 1) of early feedback timing for a DL grouped transmission for TDD system, in accordance with some aspects.
  • the eNB 112 transmits the PDCCH 210 carrying the DL grant for grouped transmission in five subframes.
  • the UE 100 provides feedback of the ACK/NACK via the PUCCH 240.
  • the eNB 112 may determine whether to continue or terminate the PDSCH transmission 600 in the remaining subframes.
  • the eNB 112 may send another PDCCH 210 to indicate whether the grouped PDSCH transmission 600 is terminated or not.
  • FIG. 7 is a block timing diagram of an aggregated DL data subframe for a DL grouped transmission 700 that illustrates another example (Option 2) of early feedback timing for a DL grouped transmission for TDD system, in accordance with some aspects.
  • the eNB 112 transmits the PDCCH 210A carrying a DL grant for grouped transmission in five subframes.
  • the UE 100 provides feedback of an ACK/NACK via the PUCCH 240.
  • subframe #(n+2) 205C the eNB 112 sends a PDCCH 210C to indicate whether grouped PDSCH 700 is terminated or continues on.
  • the e B 112 may indicate the PUCCH 240 resource for an ACK/NACK feedback k subframes after receiving the DL DCI 212, and k may be indicated in the DL DCI 212.
  • FIG. 8 is a block timing diagram of an aggregated DL data subframe for a DL grouped transmission 800 that illustrates another example of early feedback timing for DL grouped transmission for TDD system, in accordance with some aspects.
  • the UE 100 provides feedback a hybrid automatic repeat request (HARQ) ACK/NACK in subframe #(n+2) 205C for the first PDSCH 220A transmission in subframe #n 205 A.
  • the eNB 112 may continue or terminate the PDSCH transmission in a remaining subframe, such as subframe #(n+3) 205D, based on the feedback received in subframe #(n+2) 205C.
  • HARQ hybrid automatic repeat request
  • the ACK/NACK may be reported via another Component Carrier (CC) so that the frame structure for the DL grouped transmission in FIG. 4 may be kept.
  • the feedback CC index may be indicated by the DCI 212 in the current CC.
  • the ACK/NACK may be reported by the PUCCH 240 or the PUSCH 280 if the uplink grant for the feedback CC is received.
  • the various aspects may support separate acknowledgements for a PDCCH 210 used for aggregated transmissions scheduling on either the DL or the UL and the associated PDSCH 220 or PUSCH 280 that is scheduled by the PDCCH 210, 260. It may include identifying the PDCCH 210 used for aggregated transmissions scheduling in subframe n.
  • two ACK/NACK feedback may be transmitted by the UE 100.
  • a first ACK/NACK may be transmitted in a UL subframe n+k that provides an acknowledgement response at least for the detected PDCCH 210.
  • a second ACK/NACK feedback may be transmitted in the UL subframe n+m for the detected PDSCHs 220 scheduled by the PDCCH 210.
  • the value k and m may be different. More particularly, the value m may be larger than the value k. These two values may be configured by higher layer signaling or system information or fixed in specification, or dynamically signaled as a part of the PDCCH 210.
  • a feature in 5G may be provided to inform the eNB 112 of the PDCCH 210 reception to avoid significant resource wastage due to PDCCH 210 mis-detection.
  • one ACK/NACK may be transmitted using a PUCCH 240 resource associated with the UL grant or explicitly signaling by using part of the UL grant.
  • a two-stage DCI 212 format design may be considered to support early feedback from the eNB 112 to the UE 100 to control the transmission of grouped transmission, as further detailed below.
  • FIG. 9 is a flowchart that illustrates a procedure 900 for early feedback for a UL grouped transmission, in accordance with some aspects.
  • the early feedback for the UL grouped transmission may comprise: in operation S905, the eNB 112 may transmit a PDCCH carrying a UL DCI, which indicates grouped PUSCH transmission and enables early feedback.
  • the UE 100 may transmit a grouped PUSCH in the resource indicated by the UL DCI.
  • the eNB may send an indication to the UE 100 via a PDCCH or 5G Physical HARQ Indicator Channel (xPHICH) to indicate whether the UE 100 continues or terminates the PUSCH transmission.
  • xPHICH 5G Physical HARQ Indicator Channel
  • the UE may receive the feedback from the eNB 112 and determine whether the PUSCH transmission is terminated or not. If not (S915:ACK), then in operation S920, the UE 100 continues the grouped PUSCH transmission in the subsequent subframes. If so (S915:NACK OR NO RESP), in operation S925, the UE 100 terminates the grouped PUSCH transmission.
  • the timing for early feedback from the eNB 112 may be predefined in the specification or configured by higher layers. Alternatively, the timing may be dynamically indicated in the UL DCI 262 which may be used to trigger the grouped PUSCH transmission. In one example, the gap between the first PUSCH transmission and PDCCH carrying early feedback may be indicated in the DCI which may be used to trigger the grouped PUSCH transmission. Furthermore, the early feedback indication may be represented as a single bit of information or as a form of a HARQ ACK/NACK.
  • FIG. 10 is a block timing diagram of an aggregated UL data subframe for a US grouped transmission 1000 that illustrates one example of early feedback timing, in accordance with some aspects.
  • a PUSCH 270B transmission starts from subframe #(n+l) 205B, which is scheduled by the PDCCH 260A in subframe #n 205 A.
  • the PDCCH 260C carrying early feedback is transmitted in the subframe #(n+2) 205C.
  • the UE 100 may continue or terminate the grouped PUSCH transmission in the remaining subframes.
  • the UE 100 may provide a feedback in the form of a ACK/NACK via the PUCCH in the allocated resource in a determined subframe to indicate whether an associated PDCCH carrying UL grant is successfully decoded or not.
  • FIG. 11 is a block diagram of an aggregated UL data subframe for a UL grouped transmission 1100 that illustrates another example of early feedback timing, in accordance with some aspects.
  • the UE 100 provides a feedback of the ACK/NACK 265 A for the PDCCH 260A in the same subframe 205 A when the PDCCH 260A carrying the UL grant is transmitted.
  • 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.
  • ASIC Application Specific Integrated Circuit
  • the circuitry may be implemented in, or functions associated with the circuitry may be implemented by, one or more software or firmware blocks.
  • circuitry may include logic, at least partially operable in hardware. Aspects described herein may be implemented into a system using any suitably configured hardware and/or software.
  • FIG. 12 is a block diagram that illustrates, for one aspect, example components of an electronic device 1200.
  • the electronic device 1200 may be, implement, be incorporated into, or otherwise be a part of a user equipment, such as the UE 100 described above, an evolved NodeB, such as the e B 112 described above, or any other suitable electronic device.
  • the electronic device 1200 may include application circuitry 1202, baseband circuitry 1204, radio frequency (RF) circuitry 1206, front-end (FE) circuitry 1208 and one or more antennas 1210, coupled together at least as shown.
  • RF radio frequency
  • FE front-end
  • the application circuitry 1202 may include one or more application processors.
  • the application circuitry 1202 may include circuitry such as, but not limited to, one or more single-core or multi-core processors 1202 A.
  • the processor(s) 1202 A may include any combination of general-purpose processors and dedicated processors (e.g., graphics processors, application processors, etc.).
  • the processors 1202A may be coupled with and/or may include computer-readable media 1202B (also referred to as "CRM 1202B", “memory 1202B”, “storage 1202B”, or “memory/storage 1202B") and may be configured to execute instructions stored in the CRM 1202B to enable various applications and/or operating systems to run on the system.
  • the baseband circuitry 1204 may include circuitry such as, but not limited to, one or more single-core or multi-core processors.
  • the baseband circuitry 1204 may include one or more baseband processors and/or control logic to process baseband signals received from a receive signal path of the RF circuitry 1206 and to generate baseband signals for a transmit signal path of the RF circuitry 1206.
  • Baseband circuity 1204 may interface with the application circuitry 1202 for generation and processing of the baseband signals and for controlling operations of the RF circuitry 1206.
  • the baseband circuitry 1204 may include a second generation (2G) baseband processor 1204 A, third generation (3G) baseband processor 1204B, fourth generation (4G) baseband processor 1204C, and/or other baseband processor(s) 1204D for other existing generations, generations in development or to be developed in the future (e.g., fifth generation (5G), sixth generation (6G), etc.).
  • the baseband circuitry 1204 e.g., one or more of baseband processors 1204A-d
  • the radio control functions may include, but are not limited to, signal modulation/demodulation, encoding/decoding, radio frequency shifting, and the like.
  • modulation/demodulation circuitry of the baseband circuitry 1204 may include Fast-Fourier Transform (FFT), precoding, and/or constellation mapping/demapping functionality.
  • FFT Fast-Fourier Transform
  • encoding/decoding circuitry of the baseband circuitry 1204 may include convolution, tail-biting convolution, turbo, Viterbi, and/or Low Density Parity Check (LDPC) encoder/decoder functionality.
  • LDPC Low Density Parity Check
  • the baseband circuitry 1204 may include elements of a protocol stack such as, for example, elements of an evolved universal terrestrial radio access network (E-UTRAN) protocol including, for example, physical (PHY), media access control (MAC), radio link control (RLC), packet data convergence protocol (PDCP), and/or radio resource control (RRC) elements.
  • E-UTRAN evolved universal terrestrial radio access network
  • a central processing unit (CPU) 1204E of the baseband circuitry 1204 may be configured to run elements of the protocol stack for signaling of the PHY, MAC, RLC, PDCP and/or RRC layers.
  • the baseband circuitry may include one or more audio digital signal processor(s) (DSP) 1204F.
  • DSP audio digital signal processor
  • the audio DSP(s) 1204F may include elements for compression/decompression and echo cancellation and may include other suitable processing elements in other aspects.
  • the baseband circuitry 1204 may further include computer-readable media 1204B (also referred to as "CRM 1204B”, “memory 1204B”, “storage 1204B”, or “CRM 1204B”).
  • CRM 1204G may be used to load and store data and/or instructions for operations performed by the processors of the baseband circuitry 1204.
  • CRM 1204G for one aspect may include any combination of suitable volatile memory and/or non- volatile memory.
  • the CRM 1204G may include any combination of various levels of memory/ storage including, but not limited to, read-only memory (ROM) having embedded software instructions (e.g., firmware), random access memory (e.g., dynamic random access memory (DRAM)), cache, buffers, etc.).
  • ROM read-only memory
  • DRAM dynamic random access memory
  • the CRM 1204G may be shared among the various processors or dedicated to particular processors.
  • Components of the baseband circuitry 1204 may be suitably combined in a single chip, a single chipset, or disposed on a same circuit board in some aspects.
  • some or all of the constituent components of the baseband circuitry 1204 and the application circuitry 1202 may be implemented together, such as, for example, on a system on a chip (SOC).
  • SOC system on a chip
  • the baseband circuitry 1204 may provide for communication compatible with one or more radio technologies.
  • the baseband circuitry 1204 may support communication with an E-UTRAN and/or other wireless metropolitan area networks WMA ), a wireless local area network (WLAN), a wireless personal area network (WPAN).
  • WMA wireless metropolitan area networks
  • WLAN wireless local area network
  • WPAN wireless personal area network
  • Aspects in which the baseband circuitry 1204 is configured to support radio communications of more than one wireless protocol may be referred to as multi- mode baseband circuitry.
  • RF circuitry 1206 may enable communication with wireless networks using modulated electromagnetic radiation through a non-solid medium.
  • the RF circuitry 1206 may include switches, filters, amplifiers, etc., to facilitate the communication with the wireless network.
  • RF circuitry 1206 may include a receive signal path that may include circuitry to down-convert RF signals received from the FEM circuitry 1208 and provide baseband signals to the baseband circuitry 1204.
  • RF circuitry 1206 may also include a transmit signal path that may include circuitry to up-convert baseband signals provided by the baseband circuitry 1204 and provide RF output signals to the FEM circuitry 1208 for transmission.
  • the RF circuitry 1206 may include a receive signal path and a transmit signal path.
  • the receive signal path of the RF circuitry 1206 may include mixer circuitry 1206 A, amplifier circuitry 1206B and filter circuitry 1206C.
  • the transmit signal path of the RF circuitry 1206 may include filter circuitry 1206C and mixer circuitry 1206 A.
  • RF circuitry 1206 may also include synthesizer circuitry 1206D for synthesizing a frequency for use by the mixer circuitry 1206 A of the receive signal path and the transmit signal path.
  • the mixer circuitry 1206 A of the receive signal path may be configured to down-convert RF signals received from the FEM circuitry 1208 based on the synthesized frequency provided by synthesizer circuitry 1206D.
  • the amplifier circuitry 1206B may be configured to amplify the down-converted signals and the filter circuitry 1206C 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 1204 for further processing.
  • the output baseband signals may be zero-frequency baseband signals, although this is not a requirement.
  • mixer circuitry 1206 A of the receive signal path may comprise passive mixers, although the scope of the aspects is not limited in this respect.
  • the mixer circuitry 1206 A of the transmit signal path may be configured to up-convert input baseband signals based on the synthesized frequency provided by the synthesizer circuitry 1206D to generate RF output signals for the FEM circuitry 1208.
  • the baseband signals may be provided by the baseband circuitry 1204 and may be filtered by filter circuitry 1206C.
  • the filter circuitry 1206C may include a low-pass filter (LPF), although the scope of the aspects is not limited in this respect.
  • the mixer circuitry 1206 A of the receive signal path and the mixer circuitry 1206 A of the transmit signal path may include two or more mixers and may be arranged for quadrature down-conversion and/or up- conversion, respectively.
  • the mixer circuitry 1206 A of the receive signal path and the mixer circuitry 1206 A of the transmit signal path may include two or more mixers and may be arranged for image rejection (e.g., Hartley image rejection).
  • the mixer circuitry 1206 A of the receive signal path and the mixer circuitry 1206 A of the transmit signal path may be arranged for direct down-conversion and/or direct up-conversion, respectively.
  • the mixer circuitry 1206 A of the receive signal path and the mixer circuitry 1206 A of the transmit signal path may be configured for superheterodyne operation.
  • the output baseband signals and the input baseband signals may be analog baseband signals, although the scope of the aspects is not limited in this respect.
  • the output baseband signals and the input baseband signals may be digital baseband signals.
  • the RF circuitry 1206 may include analog-to-digital converter (ADC) and digital-to-analog converter (DAC) circuitry and the baseband circuitry 1204 may include a digital baseband interface to communicate with the RF circuitry 1206.
  • ADC analog-to-digital converter
  • DAC digital-to-analog converter
  • a separate radio IC circuitry may be provided for processing signals for each spectrum, although the scope of the aspects is not limited in this respect.
  • the synthesizer circuitry 1206D may be a fractional - N synthesizer or a fractional N/N+1 synthesizer, although the scope of the aspects is not limited in this respect, as other types of frequency synthesizers may be suitable.
  • synthesizer circuitry 1206D may be a delta-sigma synthesizer, a frequency multiplier, or a synthesizer comprising a phase-locked loop with a frequency divider.
  • the synthesizer circuitry 1206D may be configured to synthesize an output frequency for use by the mixer circuitry 1206 A of the RF circuitry 1206 based on a frequency input and a divider control input.
  • the synthesizer circuitry 1206D may be a fractional N/N+1 synthesizer.
  • frequency input may be provided by a voltage controlled oscillator (VCO), although that is not a requirement.
  • VCO voltage controlled oscillator
  • Divider control input may be provided by either the baseband circuitry 1204 or the application circuitry 1202 depending on the desired output frequency.
  • a divider control input (e.g., N) may be determined from a look-up table based on a channel indicated by the application circuitry 1202.
  • Synthesizer circuitry 1206D of the RF circuitry 1206 may include a divider, a delay-locked loop (DLL), a multiplexer and a phase accumulator.
  • the divider may be a dual modulus divider (DMD) and the phase accumulator may be a digital phase accumulator (DP A).
  • 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.
  • the DLL may include a set of cascaded, tunable, delay elements, a phase detector, a charge pump and a D-type flip-flop.
  • the delay elements may be configured to break a VCO period up into Nd equal packets of phase, where Nd is the number of delay elements in the delay line. In this way, the DLL provides negative feedback to help ensure that the total delay through the delay line is one VCO cycle.
  • synthesizer circuitry 1206D may be configured to generate a carrier frequency as the output frequency, while in other aspects, the output frequency may be a multiple of the carrier frequency (e.g., twice the carrier frequency, four times the carrier frequency) and used in conjunction with quadrature generator and divider circuitry to generate multiple signals at the carrier frequency with multiple different phases with respect to each other.
  • the output frequency may be a LO frequency (fLO).
  • the RF circuitry 1206 may include an IQ/polar converter.
  • FEM circuitry 1208 may include a receive signal path that may include circuitry configured to operate on RF signals received from one or more antennas 1210, amplify the received signals and provide the amplified versions of the received signals to the RF circuitry 1206 for further processing.
  • FEM circuitry 1208 may also include a transmit signal path that may include circuitry configured to amplify signals for transmission provided by the RF circuitry 1206 for transmission by one or more of the one or more antennas 1210.
  • the FEM circuitry 1208 may include a TX/RX switch to switch between transmit mode and receive mode operation.
  • the FEM circuitry 1208 may include a receive signal path and a transmit signal path.
  • the receive signal path of the FEM circuitry may include a low-noise amplifier (LNA) to amplify received RF signals and provide the amplified received RF signals as an output (e.g., to the RF circuitry 1206).
  • the transmit signal path of the FEM circuitry 1208 may include a power amplifier (PA) to amplify input RF signals (e.g., provided by RF circuitry 1206), and one or more filters to generate RF signals for subsequent transmission (e.g., by one or more of the one or more antennas 1210).
  • PA power amplifier
  • the electronic device 1200 may include additional elements such as, for example, a display, a camera, one or more sensors, and/or interface circuitry (for example, input/output (I/O) interfaces or buses) (not shown).
  • the electronic device may include network interface circuitry.
  • the network interface circuitry may be one or more computer hardware components that connect electronic device 1200 to one or more network elements, such as one or more servers within a core network or one or more other e Bs via a wired connection.
  • the network interface circuitry may include one or more dedicated processors and/or field programmable gate arrays (FPGAs) to communicate using one or more network communications protocols such as X2 application protocol (AP), SI AP, Stream Control Transmission Protocol (SCTP), Ethernet, Point-to-Point (PPP), Fiber Distributed Data Interface (FDDI), and/or any other suitable network communications protocols.
  • FPGAs field programmable gate arrays
  • the electronic device 1200 of FIG. 12 may be used to: transmit a grouped downlink (DL) transmission to a user equipment (UE), wherein the grouped DL transmission comprises a physical downlink control channel (PDCCH) transmission and a physical downlink shared channel (PDSCH) transmission in one or more subframes, wherein the PDCCH is to carry a downlink control information (DCI), and wherein the DCI is to include an indicator for the grouped DL transmission and an early feedback indicator; receive, from the UE, feedback based on the grouped DL transmission; determine, based on the feedback, whether the grouped DL transmission was properly decoded, wherein the grouped DL transmission was properly decoded when the PDCCH transmission and/or the PDSCH transmission were properly decoded in a predetermined number of subframes; and continue transmission of the grouped DL transmission in one or more subsequent subframes when the feedback indicates that the PDCCH transmission and/or the PDSCH transmission were properly decoded, or terminate transmission of
  • DL downlink
  • the electronic device 1200 of FIG. 12 may be to: receive a grouped downlink (DL) transmission, wherein the grouped DL transmission comprises a physical downlink control channel (PDCCH) transmission and a physical downlink shared channel (PDSCH) transmission in one or more subframes, wherein the PDCCH is to carry a downlink control information (DCI), and wherein the DCI is to include an indicator for the grouped DL transmission and an early feedback indicator; transmit feedback based on the grouped DL transmission; decode the grouped DL transmission; generate the feedback based on whether the grouped DL transmission was properly decoded or not, wherein the grouped DL transmission was properly decoded when the PDCCH transmission and/or the PDSCH transmission were properly decoded in a predetermined number of subframes; and terminate receipt of grouped DL transmissions when the feedback indicates that the PDCCH transmission and/or the PDSCH transmission were not properly decoded, or continue receipt of the grouped DL transmission in one or more subsequent subframes.
  • DL
  • FIG. 13 is a flowchart that illustrates a process 1300 for determining whether to continue or terminate a grouped transmission, in accordance with some aspects.
  • the process 1300 may include, at operation S1305, receiving, by a UE, an indicator for grouped 5G physical downlink shared channel (PDSCH) and an early feedback via downlink control information (DCI) carried by a 5G physical downlink control channel (PDCCH).
  • the process may include, at operation S1310, reporting, by the UE, an acknowledge (ACK) feedback via a 5G physical uplink control channel (PUCCH) in an allocated resource to indicate whether the PDCCH or PDSCH in the first Ko subframes is successfully decoded.
  • ACK acknowledge
  • the process may include determining, by an e B, whether to continue or terminate grouped PDSCH transmissions based on the feedback.
  • determining, by an e B whether to continue or terminate grouped PDSCH transmissions based on the feedback.
  • one or more of the operations of the process depicted by FIG. 13 may be rearranged, omitted, or combined with one or more other processes discussed herein.
  • FIG. 14 is a flowchart that illustrates another process 1400 for determining whether to continue or terminate a grouped transmission, in accordance with some aspects.
  • the process may include, in operation S1405, transmitting or causing to transmit a grouped downlink (DL) transmission.
  • the grouped DL transmission may comprise a physical downlink control channel (PDCCH) transmission and a physical downlink shared channel (PDSCH) transmission in one or more subframes.
  • the PDCCH may carry a downlink control information (DCI).
  • the DCI may include an indicator for the grouped DL transmission and an early feedback indicator.
  • the process may include, in operation S1410, receiving or causing to receive feedback based on the grouped DL transmission.
  • the process may include, in operation S1415, determining or causing to determine, based on the feedback, whether the grouped DL transmission was properly decoded.
  • the grouped DL transmission may have been properly decoded when the PDCCH transmission and/or the PDSCH transmission were properly decoded in a predetermined number of subframes.
  • the process may include, in operation S1420, terminating or continuing transmission of the grouped DL transmissions based on the feedback.
  • the process may include terminating or causing to terminate transmission of the grouped DL transmission when the feedback indicates that the PDCCH transmission and/or the PDSCH transmission were not properly decoded, or continuing or causing to continue the grouped DL transmission in one or more subsequent subframes when the feedback indicates that the PDCCH transmission and/or the PDSCH transmission were properly decoded.
  • the process depicted by FIG. 14 may be performed by an e B. In various aspects, one or more of the operations of the process depicted by FIG. 14 may be rearranged, omitted, or combined with one or more other processes discussed herein.
  • FIG. 15 is a flowchart of a process 1500 for generating and transmitting feedback related to the decoding, in accordance with some aspects.
  • the process 1500 in operation SI 505, may include transmitting or causing to transmit a PDCCH transmission carrying a DCI.
  • the other DCI may include an indicator to indicate that grouped uplink (UL) transmissions are permitted and an early feedback indicator.
  • the process may include, at operation S1510, receiving or causing to receive a grouped UL transmission in a resource indicated by the DCI.
  • the process may include, at operation S1515, decoding or causing to decode the received grouped UL transmission.
  • the process may include, at operation SI 520, generating or causing to generate the feedback.
  • the feedback may indicate whether the received grouped UL transmission was properly decoded or not.
  • the process may include, at operation SI 525, transmitting or causing to transmit the feedback to indicate whether the received grouped UL transmission was properly decoded.
  • the process depicted by FIG. 15 may be performed by an eNB. In various aspects, one or more of the operations of the process depicted by FIG. 15 may be rearranged, omitted, or combined with one or more other processes discussed herein.
  • FIG. 16 is a flowchart of a process 1600 for utilizing the feedback with regard to the transmissions, in accordance with some aspects.
  • the process 1600 may include, in operation SI 605, receiving or causing to receive a grouped downlink (DL) transmission.
  • the grouped DL transmission may comprise a physical downlink control channel (PDCCH) transmission and a physical downlink shared channel (PDSCH) transmission in one or more subframes.
  • the PDCCH may carry a downlink control information (DCI) that may include an indicator for the grouped DL transmission and an early feedback indicator.
  • DCI downlink control information
  • the process may include, in operation S1610, decoding or causing to decode the grouped DL transmission.
  • the process may include, in operation S1615, generating or causing to generate feedback based on whether the grouped DL transmission was properly decoded or not.
  • the grouped DL transmission may have been properly decoded when the PDCCH transmission and/or the PDSCH transmission were properly decoded in a predetermined number of subframes.
  • the process may include, in operation SI 620, transmitting or causing to transmit the feedback.
  • the process may include, in operation SI 625, terminating or continuing receipt of grouped DL transmissions.
  • the process may include terminating or causing to terminate receipt of grouped DL transmissions when the feedback indicates that the PDCCH transmission and/or the PDSCH transmission were not properly decoded, or continuing or causing to continue the grouped DL transmission in one or more subsequent subframes when the feedback indicates that the PDCCH transmission and/or the PDSCH transmission were properly decoded.
  • the process depicted by FIG. 16 may be performed by a UE. In various aspects, one or more of the operations of the process depicted by FIG. 16 may be rearranged, omitted, or combined with one or more other processes discussed herein
  • FIG. 17 is a flowchart of a process 1700 for transmitting a grouped UL transmission, in accordance with some aspects.
  • the process 1700 may include, in operation SI 705, receiving or causing to receive a PDCCH transmission carrying a DCI.
  • the DCI may include an indicator to indicate that grouped uplink (UL) transmissions are permitted and an early feedback indicator.
  • the process may include, in operation S1710, transmitting or causing to transmit a grouped UL transmission in a resource indicated by the DCI.
  • the process may include, in operation S1715, receiving or causing to receive another feedback that indicates whether the received grouped UL transmission was properly decoded or not.
  • the process depicted by FIG. 17 may be performed by a UE.
  • one or more of the operations of the process depicted by FIG. 17 may be rearranged, omitted, or combined with one or more other processes discussed herein.
  • FIG. 18 is a block diagram of an example machine 1800 upon which one or more of the techniques (e.g., methodologies) discussed herein may perform.
  • the machine 1800 may operate as a standalone device or may be connected (e.g., networked) to other machines.
  • the machine 1800 may operate in the capacity of a server machine, a client machine, or both in server-client network environments.
  • the machine 1800 may act as a peer machine in peer-to-peer (P2P) (or other distributed) network environment.
  • P2P peer-to-peer
  • the machine 1800 may be a master station, HE station, personal computer (PC), a tablet PC, a set-top box (STB), a personal digital assistant (PDA), a portable communications device, a mobile telephone, a smart phone, a web appliance, a network router, switch or bridge, or any machine capable of executing instructions (sequential or otherwise) that specify actions to be taken by that machine.
  • PC personal computer
  • PDA personal digital assistant
  • portable communications device a mobile telephone
  • smart phone a web appliance
  • network router switch or bridge
  • Machine 1800 may include a hardware processor 1802 (e.g., a central processing unit (CPU), a graphics processing unit (GPU), a hardware processor core, or any combination thereof), a main memory 1804 and a static memory 1806, some or all of which may communicate with each other via an interlink (e.g., bus) 1808.
  • a hardware processor 1802 e.g., a central processing unit (CPU), a graphics processing unit (GPU), a hardware processor core, or any combination thereof
  • main memory 1804 e.g., main memory
  • static memory 1806 some or all of which may communicate with each other via an interlink (e.g., bus) 1808.
  • main memory 1804 include Random Access Memory (RAM), and semiconductor memory devices, which may include, in some various aspects, storage locations in semiconductors such as registers.
  • static memory 1806 include non- volatile memory, such as semiconductor memory devices (e.g., Electrically Programmable Read-Only Memory (EPROM), Electrically Erasable Programmable Read-Only Memory (EEPROM)) and flash memory devices; magnetic disks, such as internal hard disks and removable disks; magneto-optical disks; RAM; and CD-ROM and DVD-ROM disks.
  • EPROM Electrically Programmable Read-Only Memory
  • EEPROM Electrically Erasable Programmable Read-Only Memory
  • the machine 1800 may further include a display device 1810, an input device 1812 (e.g., a keyboard), and a user interface (UI) navigation device 1814 (e.g., a mouse).
  • the display device 1810, input device 1812 and UI navigation device 1814 may be a touch screen display.
  • the machine 1800 may additionally include a mass storage (e.g., drive unit) 1816, a signal generation device 1818 (e.g., a speaker), a network interface device 1820, and one or more sensors 1821, such as a global positioning system (GPS) sensor, compass, accelerometer, or other sensor.
  • GPS global positioning system
  • the machine 1800 may include an output controller 1828, such as a serial (e.g., universal serial bus (USB), parallel, or other wired or wireless (e.g., infrared(IR), near field communication (NFC), etc.) connection to communicate or control one or more peripheral devices (e.g., a printer, card reader, etc.).
  • a serial e.g., universal serial bus (USB), parallel, or other wired or wireless (e.g., infrared(IR), near field communication (NFC), etc.) connection to communicate or control one or more peripheral devices (e.g., a printer, card reader, etc.).
  • the processor 1802 and/or instructions 1824 may comprise processing circuitry and/or transceiver circuitry.
  • the storage device 1816 may include a machine readable medium 1822 on which is stored one or more sets of data structures or instructions 1824 (e.g., software) embodying or utilized by any one or more of the techniques or functions described herein.
  • the instructions 1824 may also reside, completely or at least partially, within the main memory 1804, within static memory 1806, or within the hardware processor 1802 during execution thereof by the machine 1800.
  • one or any combination of the hardware processor 1802, the main memory 1804, the static memory 1806, or the storage device 1816 may constitute machine readable media.
  • machine readable media may include: nonvolatile memory, such as semiconductor memory devices (e.g., EPROM or EEPROM) and flash memory devices; magnetic disks, such as internal hard disks and removable disks; magneto-optical disks; RAM; and CD-ROM and DVD- ROM disks.
  • nonvolatile memory such as semiconductor memory devices (e.g., EPROM or EEPROM) and flash memory devices
  • magnetic disks such as internal hard disks and removable disks
  • magneto-optical disks such as CD-ROM and DVD- ROM disks.
  • machine readable medium 1822 is illustrated as a single medium, the term “machine readable medium” may include a single medium or multiple media (e.g., a centralized or distributed database, and/or associated caches and servers) configured to store the one or more instructions 1824.
  • machine readable medium may include a single medium or multiple media (e.g., a centralized or distributed database, and/or associated caches and servers) configured to store the one or more instructions 1824.
  • An apparatus of the machine 1800 may be one or more of a hardware processor 1802 (e.g., a central processing unit (CPU), a graphics processing unit (GPU), a hardware processor core, or any combination thereof), a main memory 1804 and a static memory 1806, sensors 1821, network interface device 1820, antennas 1860, a display device 1810, an input device 1812, a UI navigation device 1814, a mass storage 1816, instructions 1824, a signal generation device 1818, and an output controller 1828.
  • the apparatus may be configured to perform one or more of the methods and/or operations disclosed herein.
  • the apparatus may be intended as a component of the machine 1800 to perform one or more of the methods and/or operations disclosed herein, and/or to perform a portion of one or more of the methods and/or operations disclosed herein.
  • the apparatus may include a pin or other means to receive power.
  • the apparatus may include power conditioning hardware.
  • machine readable medium may include any medium that is capable of storing, encoding, or carrying instructions for execution by the machine 1800 and that cause the machine 1800 to perform any one or more of the techniques of the present disclosure, or that is capable of storing, encoding or carrying data structures used by or associated with such instructions.
  • Non-limiting machine readable medium examples may include solid-state memories, and optical and magnetic media.
  • machine readable media may include: non-volatile memory, such as semiconductor memory devices (e.g., Electrically Programmable Read-Only Memory (EPROM), Electrically Erasable Programmable Read-Only Memory (EEPROM)) and flash memory devices; magnetic disks, such as internal hard disks and removable disks; magneto-optical disks; Random Access Memory (RAM); and CD-ROM and DVD-ROM disks.
  • non-volatile memory such as semiconductor memory devices (e.g., Electrically Programmable Read-Only Memory (EPROM), Electrically Erasable Programmable Read-Only Memory (EEPROM)) and flash memory devices
  • magnetic disks such as internal hard disks and removable disks
  • magneto-optical disks such as internal hard disks and removable disks
  • RAM Random Access Memory
  • CD-ROM and DVD-ROM disks CD-ROM and DVD-ROM disks.
  • machine readable media may include non-transitory machine readable media.
  • machine readable media may include machine readable media that is not a transitory
  • the instructions 1824 may further be transmitted or received over a communications network 1826 using a transmission medium via the network interface device 1820 utilizing any one of a number of transfer protocols (e.g., frame relay, internet protocol (IP), transmission control protocol (TCP), user datagram protocol (HDP), hypertext transfer protocol (HTTP), etc.).
  • transfer protocols e.g., frame relay, internet protocol (IP), transmission control protocol (TCP), user datagram protocol (HDP), hypertext transfer protocol (HTTP), etc.
  • Example communication networks may include a local area network (LAN), a wide area network (WAN), a packet data network (e.g., the Internet), mobile telephone networks (e.g., cellular networks), Plain Old Telephone (POTS) networks, and wireless data networks (e.g., Institute of Electrical and Electronics Engineers (IEEE) 802.11 family of standards known as Wi-Fi®, IEEE 802.16 family of standards known as WiMax®), IEEE 802.15.4 family of standards, a Long Term Evolution (LTE) family of standards, a Universal Mobile Telecommunications System (UMTS) family of standards, peer-to-peer (P2P) networks, among others.
  • LAN local area network
  • WAN wide area network
  • POTS Plain Old Telephone
  • wireless data networks e.g., Institute of Electrical and Electronics Engineers (IEEE) 802.11 family of standards known as Wi-Fi®, IEEE 802.16 family of standards known as WiMax®
  • IEEE 802.15.4 family of standards e.g., Institute of Electrical and Electronics Engineers (IEEE
  • the network interface device 1820 may include one or more physical jacks (e.g., Ethernet, coaxial, or phone jacks) or one or more antennas to connect to the communications network 1826.
  • the network interface device 1820 may include one or more antennas 1860 to wirelessly communicate using at least one of single-input multiple-output (SIMO), multiple-input multiple-output (MIMO), or multiple-input single-output (MISO) techniques.
  • SIMO single-input multiple-output
  • MIMO multiple-input multiple-output
  • MISO multiple-input single-output
  • the network interface device 1820 may wirelessly communicate using Multiple User MIMO techniques.
  • transmission medium shall be taken to include any intangible medium that is capable of storing, encoding or carrying instructions for execution by the machine 1800, and includes digital or analog communications signals or other intangible medium to facilitate communication of such software.
  • Examples, as described herein, may include, or may operate on, logic or a number of components, modules, or mechanisms.
  • Modules are tangible entities (e.g., hardware) capable of performing specified operations and may be configured or arranged in a certain manner.
  • circuits may be arranged (e.g., internally or with respect to external entities such as other circuits) in a specified manner as a module.
  • the whole or part of one or more computer systems (e.g., a standalone, client or server computer system) or one or more hardware processors may be configured by firmware or software (e.g., instructions, an application portion, or an application) as a module that operates to perform specified operations.
  • the software may reside on a machine readable medium.
  • the software when executed by the underlying hardware of the module, causes the hardware to perform the specified operations.
  • module is understood to encompass a tangible entity, be that an entity that is physically constructed, specifically configured (e.g., hardwired), or temporarily (e.g., transitorily) configured (e.g., programmed) to operate in a specified manner or to perform part or all of any operation described herein.
  • each of the modules need not be instantiated at any one moment in time.
  • the modules comprise a general-purpose hardware processor configured using software
  • the general-purpose hardware processor may be configured as respective different modules at different times.
  • Software may accordingly configure a hardware processor, for example, to constitute a particular module at one instance of time and to constitute a different module at a different instance of time.
  • This software and/or firmware may take the form of instructions contained in or on a non-transitory computer-readable storage medium. Those instructions may then be read and executed by one or more processors to enable performance of the operations described herein.
  • the instructions may be in any suitable form, such as but not limited to source code, compiled code, interpreted code, executable code, static code, dynamic code, and the like.
  • Such a computer-readable medium may include any tangible non- transitory medium for storing information in a form readable by one or more computers, such as but not limited to read only memory (ROM); random access memory (RAM); magnetic disk storage media; optical storage media; flash memory, etc.
  • connecting lines, or connectors shown in the various figures presented may, in some instances, be intended to represent example functional relationships and/or physical or logical couplings between the various elements. However, many alternative or additional functional relationships, physical connections or logical connections may be present in a practical device. Moreover, no item or component is essential unless the element is specifically described as “essential” or “critical”. Numerous modifications and adaptations will be readily apparent to those skilled in this art.
  • Example 2 the subject matter of Example 1 optionally includes wherein the processor is further configured to continue the GDLT by transmitting one or more subsequent subframes containing additional PDSCH parts when the feedback indicates that the PDCCH transmission or the PDSCH transmission were properly decoded.
  • Example 3 the subject matter of any one or more of Examples 1-2 optionally include wherein an indication of the GDLT or an early feedback indicator are included in a master information block (MIB), a system information block (SIB), or Radio Resource Control (RRC) message.
  • MIB master information block
  • SIB system information block
  • RRC Radio Resource Control
  • Example 4 the subject matter of Example 3 optionally includes wherein the indication of the GDLT or the early feedback indicator is determined implicitly based on a predetermined number of aggregated subframes for the GDLT, such that the GDLT or early feedback is enabled when the number of aggregated subframes for the GDLT is greater than a predefined threshold.
  • Example 5 the subject matter of Example 4 optionally includes wherein the predetermined number of subframes is predefined or indicated by downlink control information (DCI).
  • DCI downlink control information
  • Example 6 the subject matter of any one or more of Examples 1-5 optionally include wherein the processor is further configured to decode the feedback from an physical uplink control channel (PUCCH) in an allocated resource.
  • PUCCH physical uplink control channel
  • Example 7 the subject matter of Example 6 optionally includes a utilizing an ACK/NACK feedback bit.
  • Example 8 the subject matter of any one or more of Examples 1-7 optionally include wherein the processor is further configured to encode an other PDCCH transmission to indicate whether the GDLT is terminated or not.
  • Example 9 the subject matter of any one or more of Examples 1-8 optionally include wherein: when carrier aggregation is enabled, the processor is further configured to decode the feedback via a Component Carrier (CC); and a feedback CC index is indicated by downlink control information (DCI) in a current CC.
  • DCI downlink control information
  • Example 10 the subject matter of Example 9 optionally includes wherein processor is further configured to decode the feedback from a PUCCH or an physical uplink shared channel (PUSCH).
  • PUSCH physical uplink shared channel
  • Example 11 the subject matter of Example 10 optionally includes wherein the feedback comprises: a first feedback for the PDCCH transmission; and a second feedback for the PDSCH transmission that is scheduled by the PDCCH.
  • Example 12 the subject matter of Example 11 optionally includes wherein the processor is further configured to: decode the first feedback in a subframe n+k; and decode the second feedback in a subframe n+m, wherein the PDCCH carrying a DL grant for grouped transmission was encoded for a subframe n.
  • Example 13 the subject matter of Example 12 optionally includes wherein a value of m is greater than a value of k.
  • Example 14 the subject matter of Example 13 optionally includes wherein the value of k and the value of m are predefined or indicated using high layer signaling, system information, or dynamically signaled as a part of the PDCCH.
  • Example 15 the subject matter of Example 14 optionally includes wherein the processor is further configured to: encode a PDCCH carrying an other DCI, wherein the other DCI includes an indicator to indicate to the UE that a 5G grouped uplink (UL) transmission (GULT) is permitted and an other early feedback indicator; decode the GULT in a resource indicated by the other DCI; encode an other feedback to indicate whether the GULT was properly decoded; and initiate a transmission comprising the other feedback to the UE.
  • the processor is further configured to: encode a PDCCH carrying an other DCI, wherein the other DCI includes an indicator to indicate to the UE that a 5G grouped uplink (UL) transmission (GULT) is permitted and an other early feedback indicator; decode the GULT in a resource indicated by the other DCI; encode an other feedback to indicate whether the GULT was properly decoded; and initiate a transmission comprising the other feedback to the UE.
  • the processor is further configured to: encode a PDCCH carrying an other DCI,
  • Example 16 the subject matter of Example 15 optionally includes wherein the other feedback is encoded in a PDCCH or a Physical Hybrid Automatic Repeat Request Indicator Channel (xPHICH).
  • xPHICH Physical Hybrid Automatic Repeat Request Indicator Channel
  • Example 17 the subject matter of any one or more of Examples 15- 16 optionally include wherein the processor is further configured to: continue to decode the GULT when the other feedback indicates that the GULT was properly decoded; and terminate decoding of the GULT when the other feedback indicates that the GULT was not properly decoded.
  • the GULT comprises a PUSCH.
  • Example 19 is an apparatus of a user equipment (UE), the apparatus comprising: a memory; and a processor configured to: decode a 5G grouped downlink (DL) transmission (GDLT) received from an eNB to the memory, wherein the GDLT comprises a plurality of time division duplex (TDD) subframes, including a first and second subframe via which a single physical downlink shared channel (PDSCH) is transmitted; decode an physical downlink control channel (PDCCH) as a part of the GDLT; decode the PDSCH as a part of the GDLT, wherein the PDSCH comprises a plurality of PDSCH parts, including a first part that is included in the first subframe and a second part that is included in the second subframe; and encode feedback for the eNB related to the GDLT while the GDLT is in progress, wherein the feedback is an acknowledgement (ACK) when the PDCCH or the PDSCH part are successfully decoded, and the feedback is negative (NACK) when the
  • Example 20 the subject matter of Example 19 optionally includes wherein the processor is further configured to continue the decode of the GDLT by a decode one or more subsequent subframes containing additional PDSCH parts and to provide feedback to the eNB that indicates that the PDCCH transmission or the PDSCH transmission were properly decoded.
  • Example 21 the subject matter of any one or more of Examples 19-
  • an indication of the GDLT or an early feedback indicator are included in a master information block (MIB), a system information block (SIB), or Radio Resource Control (RRC) message.
  • MIB master information block
  • SIB system information block
  • RRC Radio Resource Control
  • Example 22 the subject matter of any one or more of Examples 19-
  • processor 21 optionally include wherein the processor is further configured to encode the feedback in an physical uplink control channel (PUCCH) in an allocated resource.
  • PUCCH physical uplink control channel
  • Example 23 the subject matter of Example 22 optionally includes a utilizing an ACK/NACK feedback bit.
  • Example 24 is a computer-readable storage medium that stores instructions for execution by processing circuitry of a wireless communication device that is an eNB to configure the device to perform operations to: encode a 5G grouped downlink (DL) transmission (GDLT), wherein the GDLT comprises a plurality of time division duplex (TDD) subframes, including a first and second subframe via which a single physical downlink shared channel (PDSCH) is transmitted; encode an physical downlink control channel (PDCCH) as a part of the GDLT; encode the PDSCH as a part of the GDLT wherein the PDSCH comprises a plurality of PDSCH parts, including a first part that is included in the first subframe and a second part that is included in the second subframe; initiate a transmission of GDLT to a user equipment (UE); and decode feedback from the UE related to the GDLT le the GDLT is in progress, wherein when the feedback is an acknowledgement (ACK), the processor is configured to cause a continuation of the GDLT
  • Example 25 the subject matter of Example 24 optionally includes wherein the instructions further configure the device to continue the GDLT by transmitting one or more subsequent subframes containing additional PDSCH parts when the feedback indicates that the PDCCH transmission or the PDSCH transmission were properly decoded.
  • Example 26 is a non-transitory computer-readable storage medium that stores instructions for execution by processing circuitry of a wireless communication device that is an eNB to configure the device to perform operations to: encode a 5G grouped downlink (DL) transmission (GDLT), wherein the GDLT comprises a plurality of time division duplex (TDD) subframes, including a first and second subframe via which a single physical downlink shared channel (PDSCH) is transmitted; encode an physical downlink control channel (PDCCH) as a part of the GDLT; encode the PDSCH as a part of the GDLT wherein the PDSCH comprises a plurality of PDSCH parts, including a first part that is included in the first subframe and a second part that is included in the second subframe; initiate a transmission of GDLT to a user equipment (UE); and decode feedback from the UE related to the GDLT le the GDLT is in progress, wherein when the feedback is an acknowledgement (ACK), the processor is configured to cause a continuation
  • Example 28 is one or more non-transitory computer-readable media comprising instructions to cause an electronic device, upon execution of the instructions by one or more processors of the electronic device, to perform one or more elements described in Examples 1-25.
  • Example 29 is an apparatus comprising logic or circuitry to perform one or more elements described in Examples 1-25.
  • Example 30 is a method, technique, or process as described in Examples 1-25.
  • Example 31 is an apparatus comprising: one or more processors and one or more computer readable media comprising instructions that, when executed by the one or more processors, cause the one or more processors to perform the method, techniques, or process as described in Examples 1-25.
  • Example 32 is a system to perform the operations as described in Examples 1-25.
  • Example 33 is a method for operating an enhanced node B (e B) comprising: a processor and a memory, the method comprising: encoding a 5G grouped downlink (DL) transmission (GDLT) to the memory, wherein the GDLT comprises a plurality of time division duplex (TDD) subframes, including a first and second subframe via which a single physical downlink shared channel (PDSCH) is transmitted; encoding an physical downlink control channel (PDCCH) as a part of the GDLT; encoding the PDSCH as a part of the GDLT wherein the PDSCH comprises a plurality of PDSCH parts, including a first part that is included in the first subframe and a second part that is included in the second subframe; initiating a transmission of the GDLT to a user equipment (UE); and decoding feedback from the UE related to the GDLT while the GDLT is in progress, wherein when the feedback is an acknowledgement (ACK), the processor is configured to cause a continuation
  • Example 34 the subject matter of Example 33 optionally includes continuing the GDLT by transmitting one or more subsequent subframes containing additional PDSCH parts when the feedback indicates that the PDCCH transmission or the PDSCH transmission were properly decoded.
  • Example 35 the subject matter of any one or more of Examples 33- 34 optionally include wherein an indication of the GDLT or an early feedback indicator are included in a master information block (MIB), a system information block (SIB), or Radio Resource Control (RRC) message.
  • MIB master information block
  • SIB system information block
  • RRC Radio Resource Control
  • Example 36 the subject matter of Example 35 optionally includes determining the indication of the GDLT or the early feedback implicitly based on a predetermined number of aggregated subframes for the GDLT, such that the GDLT or early feedback is enabled when the number of aggregated subframes for the GDLT is greater than a predefined threshold.
  • Example 37 the subject matter of Example 36 optionally includes wherein the predetermined number of subframes is predefined or indicated by downlink control information (DCI).
  • DCI downlink control information
  • Example 38 the subject matter of any one or more of Examples 33- 37 optionally include decoding the feedback from an physical uplink control channel (PUCCH) in an allocated resource.
  • PUCCH physical uplink control channel
  • Example 39 the subject matter of Example 38 optionally includes a utilizing an ACK/NACK feedback bit.
  • Example 40 the subject matter of any one or more of Examples 33-
  • 39 optionally include encoding an other PDCCH transmission to indicate whether the GDLT is terminated or not.
  • Example 41 the subject matter of any one or more of Examples 33-
  • CC 40 optionally include wherein: when carrier aggregation is enabled, decoding the feedback via a Component Carrier (CC); and indicating a feedback CC index by downlink control information (DCI) in a current CC.
  • DCI downlink control information
  • Example 42 the subject matter of Example 41 optionally includes decoding the feedback from a PUCCH or an physical uplink shared channel (PUSCH).
  • PUSCH physical uplink shared channel
  • Example 43 the subject matter of Example 42 optionally includes wherein the feedback comprises: a first feedback for the PDCCH transmission; and a second feedback for the PDSCH transmission that is scheduled by the PDCCH.
  • the subject matter of Example 43 optionally includes decoding the first feedback in a subframe n+k; and decoding the second feedback in a subframe n+m, wherein the PDCCH carrying a DL grant for grouped transmission was encoded for a subframe n.
  • Example 45 the subject matter of Example 44 optionally includes wherein a value of m is greater than a value of k.
  • Example 46 the subject matter of Example 45 optionally includes wherein the value of k and the value of m are predefined or indicated using high layer signaling, system information, or dynamically signaled as a part of the PDCCH.
  • Example 47 the subject matter of Example 46 optionally includes encoding a PDCCH carrying an other DCI, wherein the other DCI includes an indicator to indicate to the UE that a 5G grouped uplink (UL) transmission (GULT) is permitted and an other early feedback indicator; decoding the GULT in a resource indicated by the other DCI; encoding an other feedback to indicate whether the GULT was properly decoded; and initiating a transmission comprising the other feedback to the UE.
  • the other DCI includes an indicator to indicate to the UE that a 5G grouped uplink (UL) transmission (GULT) is permitted and an other early feedback indicator
  • decoding the GULT in a resource indicated by the other DCI encoding an other feedback to indicate whether the GULT was properly decoded
  • initiating a transmission comprising the other feedback to the UE optionally includes encoding a PDCCH carrying an other DCI, wherein the other DCI includes an indicator to indicate to the UE that a 5G grouped uplink (UL)
  • Example 48 the subject matter of Example 47 optionally includes wherein the other feedback is encoded in a PDCCH or a Physical Hybrid Automatic Repeat Request Indicator Channel (xPHICH).
  • xPHICH Physical Hybrid Automatic Repeat Request Indicator Channel
  • Example 49 the subject matter of any one or more of Examples 47-
  • the 48 optionally include continuing to decode the GULT when the other feedback indicates that the GULT was properly decoded; and terminating decoding of the GULT when the other feedback indicates that the GULT was not properly decoded.
  • Example 50 the subject matter of any one or more of Examples 47-
  • the GULT comprises a PUSCH.
  • Example 51 is a method of a user equipment (UE) comprising: decoding a 5G grouped downlink (DL) transmission (GDLT) received from an e B to the memory, wherein the GDLT comprises a plurality of time division duplex (TDD) subframes, including a first and second subframe via which a single physical downlink shared channel (PDSCH) is transmitted; decoding an physical downlink control channel (PDCCH) as a part of the GDLT; decoding the PDSCH as a part of the GDLT, wherein the PDSCH comprises a plurality of PDSCH parts, including a first part that is included in the first subframe and a second part that is included in the second subframe; and encoding feedback for the e B related to the GDLT while the GDLT is in progress, wherein the feedback is an acknowledgement (ACK) when the PDCCH or the PDSCH part are successfully decoded, and the feedback is negative (NACK) when the PDCCH or the PDSCH part are
  • Example 52 the subject matter of Example 51 optionally includes continuing the decoding of the GDLT by a decoding of one or more subsequent subframes containing additional PDSCH parts and providing feedback to the eNB that indicates that the PDCCH transmission or the PDSCH transmission were properly decoded.
  • Example 53 the subject matter of any one or more of Examples 51-
  • an indication of the GDLT or an early feedback indicator are included in a master information block (MIB), a system information block (SIB), or Radio Resource Control (RRC) message.
  • MIB master information block
  • SIB system information block
  • RRC Radio Resource Control
  • Example 54 the subject matter of any one or more of Examples 51-
  • PUCCH physical uplink control channel
  • Example 55 the subject matter of Example 54 optionally includes a utilizing an ACK/NACK feedback bit.
  • Example 56 is an enhanced node B (eNB) comprising: means for encoding a 5G grouped downlink (DL) transmission (GDLT), wherein the GDLT comprises a plurality of time division duplex (TDD) subframes, including a first and second subframe via which a single physical downlink shared channel (PDSCH) is transmitted; means for encoding an physical downlink control channel (PDCCH) as a part of the GDLT; means for encoding the PDSCH as a part of the GDLT wherein the PDSCH comprises a plurality of PDSCH parts, including a first part that is included in the first subframe and a second part that is included in the second subframe; means for initiating a transmission of the GDLT to a user equipment (UE); and means for decoding feedback from the UE related to the GDLT while the GDLT is in progress, wherein when the feedback is an acknowledgement (ACK), the processor is configured to cause a continuation of the GDLT, and when the feedback is negative
  • Example 57 is a method of operating a user equipment (UE) comprising: means for decoding a 5G grouped downlink (DL) transmission (GDLT) received from an eNB to the memory, wherein the GDLT comprises a plurality of time division duplex (TDD) subframes, including a first and second subframe via which a single physical downlink shared channel (PDSCH) is transmitted; means for decoding an physical downlink control channel (PDCCH) as a part of the GDLT; means for decoding the PDSCH as a part of the GDLT, wherein the PDSCH comprises a plurality of PDSCH parts, including a first part that is included in the first subframe and a second part that is included in the second subframe; and means for encoding feedback for the eNB related to the GDLT while the GDLT is in progress, wherein the feedback is an acknowledgement (ACK) when the PDCCH or the PDSCH part are successfully decoded, and the feedback is negative (NACK) when the
  • Example 58 is an apparatus comprising means to perform one or more elements described in Examples 1-57.
  • Example 59 is one or more non-transitory computer-readable media comprising instructions to cause an electronic device, upon execution of the instructions by one or more processors of the electronic device, to perform one or more elements described in Examples 1-57.
  • Example 60 is an apparatus comprising logic or circuitry to perform one or more elements described in Examples 1-57.
  • Example 61 is a method, technique, or process as described in Examples 1-57.
  • Example 62 is an apparatus comprising: one or more processors and one or more computer readable media comprising instructions that, when executed by the one or more processors, cause the one or more processors to perform the method, techniques, or process as described in Examples 1-57.
  • Example 63 is a system to perform the operations as described in Examples 1-57.
  • Example 63 is a system to perform the operations as described in Examples 1-57.

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

Abstract

L'invention concerne un appareil d'un eNB et un procédé associé qui encodent une transmission de liaison descendante (DL) groupée (GDLT) 5G. La GDLT comprend une pluralité de sous-trames TDD comprenant des première et seconde sous-trames via lesquelles un PDSCH unique est transmis. L'appareil encode un PDCCH en tant que partie de la GDLT et encode le PDSCH en tant que partie de la GDLT. Le PDSCH comprend une pluralité de parties de PDSCH, notamment une première partie qui est incluse dans la première sous-trame et une seconde partie qui est incluse dans la seconde sous-trame. L'appareil initie un envoi de la GDLT à un UE, et décode ensuite la rétroaction de l'UE par rapport à la GDLT tandis que la GDLT est en cours. Lorsque la rétroaction est un ACK, l'appareil continue à transmettre la GDLT, et lorsque la rétroaction est un NACK ou qu'aucune rétroaction n'est reçue, l'appareil met fin à la GDLT.
PCT/US2017/039690 2016-06-29 2017-06-28 Retour d'accusé de réception précoce pour transmissions groupées 5g WO2018005615A1 (fr)

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