Selection of acknowledgment timing in wireless communications

• US 10,218,401 B2
• Filed: 08/22/2017
• Issued: 02/26/2019
• Est. Priority Date: 12/03/2012
• Status: Active Grant

• Current Assignee: Apple Inc.
• Original Assignee: Intel Corporation
• Inventors: He, Hong, Han, Seunghee, Fwu, Jong-Kae, Chatterjee, Debdeep, Huang, Rui
• Primary Examiner(s): Sefcheck, Gregory B
• Assistant Examiner(s): Esmaeilian, Majid
• Application Number:
  US15/683,549
• Publication Number:
  US 20170353204A1
• Time in Patent Office: 553 Days
• Field of Search: 370280
• CPC Class Codes: H04B 1/12 Neutralising, balancing, or compensation arrangements
• CPC Class Codes: H04B 1/3827 Portable transceivers
• CPC Class Codes: H04B 17/24 with feedback of measurements to the transmitter
• CPC Class Codes: H04B 17/26 using historical data, averaging values or statistics
• CPC Class Codes: H04B 17/345 Interference values signal-to-interference ratio [SIR] or carrier-to-interference ratio [CIR] H04B17/336
• CPC Class Codes: H04B 7/0452 Multi-user MIMO systems
• CPC Class Codes: H04B 7/0617 for beam forming
• CPC Class Codes: H04B 7/15557 Selecting relay station operation mode, e.g. between amplify and forward mode, decode and forward mode or FDD - and TDD mode
• CPC Class Codes: H04J 11/005 of intercell interference
• CPC Class Codes: H04J 11/0053 using co-ordinated multipoint transmission/reception co-ordinated antenna or beam-forming aspects H04B7/022
• CPC Class Codes: H04L 1/0003 by switching between different modulation schemes
• CPC Class Codes: H04L 1/0054 Maximum-likelihood or sequential decoding, e.g. Viterbi, Fano, ZJ algorithms
• CPC Class Codes: H04L 1/1854 Scheduling and prioritising arrangements
• CPC Class Codes: H04L 1/1867 Arrangements specially adapted for the transmitter end
• CPC Class Codes: H04L 25/0202 Channel estimation
• CPC Class Codes: H04L 25/0204 of multiple channels
• CPC Class Codes: H04L 25/03305 Joint sequence estimation and interference removal joint detection of several desired signals H04L25/03331
• CPC Class Codes: H04L 27/0008 arrangements for allowing a transmitter or receiver to use more than one type of modulation negotiating modulation type for two-way transmission paths H04L5/1453
• CPC Class Codes: H04L 5/0007 the frequencies being orthogonal, e.g. OFDM(A), DMT
• CPC Class Codes: H04L 5/0048 Allocation of pilot signals, i.e. of signals known to the receiver
• CPC Class Codes: H04L 5/0053 : Allocation of signaling, i.e. of overhead other than pilot signals
• CPC Class Codes: H04L 5/0055 : Physical resource allocation for ACK/NACK for physical mapping arrangements in ARQ protocols H04L1/1861
• CPC Class Codes: H04L 5/0057 : Physical resource allocation for CQI
• CPC Class Codes: H04L 5/0058 : Allocation criteria
• CPC Class Codes: H04L 5/0092 : Indication of how the channel is divided
• CPC Class Codes: H04W 24/02 : Arrangements for optimising operational condition
• CPC Class Codes: H04W 24/10 : Scheduling measurement reports ; Arrangements for measurement reports
• CPC Class Codes: H04W 36/10 : Reselecting an access point controller
• CPC Class Codes: H04W 40/16 : based on interference
• CPC Class Codes: H04W 52/0261 : managing power supply demand, e.g. depending on battery level
• CPC Class Codes: H04W 52/40 : during macro-diversity or soft handoff
• CPC Class Codes: H04W 72/12 : Wireless traffic scheduling
• CPC Class Codes: H04W 72/121 : for groups of terminals or users
• CPC Class Codes: H04W 72/20 : Control channels or signalling for resource management
• CPC Class Codes: H04W 72/23 : in the downlink direction of a wireless link, i.e. towards a terminal
• CPC Class Codes: H04W 72/51 : based on terminal or device properties
• CPC Class Codes: H04W 72/52 : based on load
• CPC Class Codes: H04W 72/54 : based on quality criteria
• CPC Class Codes: H04W 72/541 : using the level of interference
• CPC Class Codes: H04W 72/566 : of the information or information source or recipient
• CPC Class Codes: H04W 72/569 : of the traffic information
• CPC Class Codes: H04W 76/14 : Direct-mode setup
• CPC Class Codes: H04W 76/27 : Transitions between radio resource control [RRC] states
• CPC Class Codes: H04W 76/28 : Discontinuous transmission [DTX]; Discontinuous reception [DRX]
• CPC Class Codes: H04W 84/042 : Public Land Mobile systems, e.g. cellular systems
• CPC Class Codes: H04W 84/18 : Self-organising networks, e.g. ad-hoc networks or sensor networks
• CPC Class Codes: H04W 92/18 : between terminal devices
• CPC Class Codes: Y02D 30/70 : in wireless communication networks

Abstract

Disclosed is a User Equipment device configured to select a suitable acknowledgement timing configuration in a time division duplex-frequency division duplex (TDD-FDD) carrier aggregation (CA) enabled wireless network, comprising establishing, by a user equipment (UE), a connection to a primary serving cell (PCell) and a secondary serving cell (SCell) of a base station, the PCell having a first TDD or first FDD configuration, the SCell having a second FDD or second TDD configuration, receiving, by the UE, downlink data through the PCell and SCell, categorizing a type of downlink data subframe in use by the SCell, selecting, by the UE, a hybrid automatic repeat request (HARQ) timing configuration based on the type of downlink data subframe for use by the SCell, and transmitting acknowledgement information associated with the downlink data according to the selected hybrid automatic repeat request (HARQ) timing configuration on PCell. Other embodiments may be described and claimed.

Claims

1. An apparatus for a user equipment (UE) comprising:

baseband circuitry including processing circuitry configured to provide a Frequency Division Duplex-Time Division Duplex (FDD-TDD) hybrid automatic repeat request acknowledgement (HARQ-ACK) feedback procedure for a primary serving cell (PCell) frame structure type-2, further configured to;

establish a connection to the primary serving cell (PCell) and a secondary serving cell (SCell) of an enhanced-Node B (eNB) of the LTE wireless communication network, the PCell having a TDD configuration and the SCell having a FDD configuration;

categorize a type of downlink data subframe in use by the SCell; and

select a hybrid automatic repeat request (HARQ) timing sequence configuration for use with downlink data received from the SCell based on the type of downlink data subframe received from the SCell; and

transceiver circuitry to

receive the downlink data through the PCell and SCell; and

transmit acknowledgement information associated with the downlink data subframe received from the SCell according to the selected hybrid automatic repeat request (HARQ) timing sequence configuration in an uplink (UL) subframe over the connection to the PCell;

wherein the PCell uses Type-2 subframes and the SCell uses Type-1 subframes,

wherein the UE is configured to not monitor a Physical Downlink Control Channel (PDCCH)/Enhanced Physical Downlink Control Channel (EPDCCH) in another serving cell for scheduling the serving cell;

wherein a timing sequence configuration with which to transmit an acknowledgement/negative acknowledgement (ACK/NACK) comprises a table including values associated with an ACK/NACK for a DL subframe on the SCell to be transmitted in the UL subframe on the PCell, wherein a UL ACK/NACK transmission of subframe n is in subframe n-k, where k>

=4.

2. The apparatus of claim 1, wherein the table comprises:

3. The apparatus of claim 2, wherein the DL-reference UL/DL Configuration of the timing sequence configuration is defined by the following table:

4. The apparatus of claim 1, wherein the processing circuitry is further configured to select a hybrid automatic repeat request (HARQ) timing sequence configuration for use by the PCell based on the type of downlink data subframe.

5. The apparatus of claim 1, wherein the processing circuitry is further configured to select a hybrid automatic repeat request (HARQ) timing sequence configuration for use on the PCell based on a PCell TDD uplink-downlink timing sequence configuration indicated in a received first system information block (SIB1) when the PCell is TDD configured.

6. The apparatus of claim 1, wherein the Type-1 downlink data subframe comprises a subframe that is a downlink data subframe on both the PCell and the SCell, or that is a downlink data subframe on both a scheduling cell and a scheduled cell in a case of a cross-carrier scheduling configuration, and wherein more than one TDD serving cell is configured and the configured scheduling cell is not the PCell;

and/or

wherein the Type-2 downlink data subframe comprises a subframe that is downlink only on the SCell.

7. The apparatus of claim 1, wherein:

i) the selected HARQ timing sequence configuration for DL data transmission in subframe n-k, where k>

=4, comprises transmitting a HARQ in a first available UL subframe n on PCell;

or

ii) the HARQ timing sequence configuration selected for DL data transmission in subframe n-k, where k>

=4, comprises transmitting a HARQ in an available UL subframe n on PCell in a distributed fashion across available UL subframes.

8. The apparatus of claim 1, wherein the processing circuitry is configured to transmit acknowledgement information associated with the downlink data according to the selected hybrid automatic repeat request (HARQ) timing sequence configuration and comprises being configured to transmit acknowledgement information on a physical uplink shared channel (PUSCH) on the PCell.

9. The apparatus of claim 1, wherein the processing circuitry is configured to transmit acknowledgement information comprising transmitting for a PCell PDSCH or a SCell PDSCH on a UL subframe of a PUSCH or physical uplink control channel (PUCCH) on PCell.

11. The method of claim 1, wherein the table comprises:

13. The machine readable medium of claim 9, wherein the hybrid automatic repeat request (HARQ) timing sequence configuration is selected by a PCell TDD uplink-downlink timing sequence configuration indicated in a first system information block (SIB1) configuration when PCell is TDD.

10. A machine readable medium comprising a plurality of non-transitory instructions that, in response to being executed on a computing device, cause the computing device to carry out a method comprising:

associating, by a user equipment (UE), with the primary serving cell (PCell) and a secondary serving cell (SCell) of an enhanced-Node B (eNB), the PCell having a TDD configuration and the SCell having a FDD configuration, wherein the PCell uses Type-2 subframes and the SCell uses Type-1 subframes;

categorizing a type of downlink data subframe in use by the SCell;

selecting, by the UE, a hybrid automatic repeat request (HARQ) timing sequence configuration for use by the SCell based on the type of downlink data subframe received from the SCell;

receiving, by the UE, downlink data through the PCell and SCell; and

transmitting acknowledgement information associated with the downlink data according to the selected hybrid automatic repeat request (HARQ) timing sequence configuration in an uplink (UL) subframe over the connection to the PCell;

wherein the UE does not monitor a Physical Downlink Control Channel (PDCCH)/Enhanced Physical Downlink Control Channel (EPDCCH) in another serving cell for scheduling the serving cell; and

wherein transmitting acknowledgement information comprises transmitting an acknowledgement/negative acknowledgement (ACK/NACK) according to a timing sequence configuration comprising a table including values associated with an ACK/NACK for a DL subframe on the SCell to be transmitted in the UL subframe on the PCell, wherein a UL ACK/NACK transmission of subframe n is in subframe n-k, where k>

=4.

12. The machine readable medium of claim 10, wherein the DL-reference UL/DL Configuration of the timing sequence configuration is defined by the following table:

14. The machine readable medium of claim 10, wherein the Type-1 downlink data subframe comprises a subframe that is a downlink data subframe on both the PCell and the SCell, or that is a downlink data subframe on both a scheduling cell and a scheduled cell in a case of a cross-carrier scheduling configuration, and wherein more than one TDD serving cell is configured and the configured scheduling cell is not the PCell, and/or

wherein the Type-2 of downlink data subframe comprises a subframe that is downlink only on the SCell.

15. The machine readable medium of claim 10, the HARQ timing sequence configuration for DL data transmission in subframe n-k, where k>

=4, comprises transmitting a HARQ in a first available UL subframe n on PCell;

or

wherein the HARQ timing sequence configuration for DL data transmission in subframe n-k, where k>

=4, comprises transmitting a HARQ in an available UL subframe n on PCell in a distributed fashion across available UL subframes.