HARQ/ACK codebook size determination

• US 8,885,526 B2
• Filed: 08/23/2012
• Issued: 11/11/2014
• Est. Priority Date: 03/16/2012
• Status: Active Grant

• Current Assignee: Apple Inc.
• Original Assignee: Intel Corporation
• Inventors: He, Hong, Fwu, Jong-Kae
• Primary Examiner(s): Kizou, Hassan
• Assistant Examiner(s): DAYA, TEJIS A
• Application Number:
  US13/593,044
• Publication Number:
  US 20130242816A1
• Time in Patent Office: 810 Days
• Field of Search: None
• US Class Current: 370/280
• CPC Class Codes: H04J 11/0073 Acquisition of primary synchronisation channel, e.g. detection of cell-ID within cell-ID group
• CPC Class Codes: H04L 1/0033 arrangements specific to the transmitter
• CPC Class Codes: H04L 1/0077 Cooperative coding
• CPC Class Codes: H04L 1/08 by repeating transmission, e.g. Verdan system H04L1/1858 and H04L1/189 take precedence
• CPC Class Codes: H04L 1/1607 Details of the supervisory signal
• CPC Class Codes: H04L 1/1635 Cumulative acknowledgement, i.e. the acknowledgement message applying to all previous messages
• CPC Class Codes: H04L 1/1812 Hybrid protocols; Hybrid automatic repeat request [HARQ]
• CPC Class Codes: H04L 1/1819 with retransmission of additional or different redundancy
• CPC Class Codes: H04L 1/1825 Adaptation of specific ARQ protocol parameters according to transmission conditions
• CPC Class Codes: H04L 1/1854 Scheduling and prioritising arrangements
• CPC Class Codes: H04L 1/1861 Physical mapping arrangements for ACK signaling see also H04L5/0053
• CPC Class Codes: H04L 1/1864 ARQ related signaling H04L1/1607 takes precedence
• CPC Class Codes: H04L 1/1877 for semi-reliable protocols, e.g. for less sensitive applications like streaming video buffer level management for video bitstream control arrangements H04N21/44004
• CPC Class Codes: H04L 1/1887 Scheduling and prioritising arrangements
• CPC Class Codes: H04L 1/189 Transmission or retransmission of more than one copy of a message
• CPC Class Codes: H04L 1/1896 ARQ related signaling
• CPC Class Codes: H04L 12/189 in combination with wireless systems selective distribution or broadcast in wireless communication networks H04W4/06
• CPC Class Codes: H04L 12/2854 Wide area networks, e.g. public data networks
• CPC Class Codes: H04L 47/283 in response to processing delays, e.g. caused by jitter or round trip time [RTT]
• CPC Class Codes: H04L 47/6275 based on priority
• CPC Class Codes: H04L 5/001 : the frequencies being arranged in component carriers
• 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 5/0073 : Allocation arrangements that take into account other cell interferences for intercell interference mitigation or co-ordination in orthogonal multiplex systems H04J11/005
• CPC Class Codes: H04L 5/14 : Two-way operation using the same type of signal, i.e. duplex
• CPC Class Codes: H04L 5/1438 : Negotiation of transmission parameters prior to communication modified according to link quality H04L1/0001
• CPC Class Codes: H04L 5/1446 : of transmission speed
• CPC Class Codes: H04L 5/1469 : using time-sharing
• CPC Class Codes: H04L 65/75 : Media network packet handling
• CPC Class Codes: H04L 65/752 : adapting media to network capabilities
• CPC Class Codes: H04L 65/756 : adapting media to device capabilities
• CPC Class Codes: H04L 67/02 : based on web technology, e.g. hypertext transfer protocol [HTTP]
• CPC Class Codes: H04L 67/568 : Storing data temporarily at an intermediate stage, e.g. caching
• CPC Class Codes: H04N 21/25841 : involving the geographical location of the client retrieval from the Internet by querying based on geographical locations G06F16/9537; arrangements for identifying locations of receiving stations in broadcast systems H04H60/51; location of the user terminal in data switching networks H04L67/52; services making use of the location of users or terminals in wireless networks H04W4/02; locating users or terminals in wireless networks H04W64/00
• CPC Class Codes: H04N 21/41407 : embedded in a portable device, e.g. video client on a mobile phone, PDA, laptop constructional details of equipment or arrangements specially adapted for portable computer application G06F1/1626; arrangements specially adapted for mobile receivers in broadcast systems H04H20/57
• CPC Class Codes: H04N 21/6405 : Multicasting data broadcast and multicast in packet switching networks H04L12/18
• CPC Class Codes: H04N 21/6408 : Unicasting
• CPC Class Codes: H04W 16/04 : Traffic adaptive resource partitioning
• CPC Class Codes: H04W 24/00 : Supervisory, monitoring or testing arrangements
• CPC Class Codes: H04W 24/02 : Arrangements for optimising operational condition
• CPC Class Codes: H04W 28/0236 : radio quality, e.g. interference, losses or delay
• CPC Class Codes: H04W 28/0268 : using specific QoS parameters for wireless networks, e.g. QoS class identifier [QCI] or guaranteed bit rate [GBR] negotiating SLA or negotiating QoS H04W28/24
• CPC Class Codes: H04W 28/0278 : using buffer status reports dynamic wireless traffic scheduling definition H04W72/12
• CPC Class Codes: H04W 4/06 : Selective distribution of broadcast services, e.g. multimedia broadcast multicast service [MBMS]; Services to user groups; One-way selective calling services
• CPC Class Codes: H04W 52/02 : Power saving arrangements in wired systems H04L12/12; signaling of mobile application services, e.g. low battery notifications H04W4/20
• CPC Class Codes: H04W 52/0206 : in access points, e.g. base stations access point devices per se H04W88/08
• CPC Class Codes: H04W 52/0209 : in terminal devices terminal devices per se H04W88/02
• CPC Class Codes: H04W 52/0229 : where the received signal is a wanted signal
• CPC Class Codes: H04W 52/0235 : where the received signal is a power saving command
• CPC Class Codes: H04W 52/143 : Downlink power control
• CPC Class Codes: H04W 52/243 : taking into account interferences
• CPC Class Codes: H04W 72/04 : Wireless resource allocation
• CPC Class Codes: H04W 72/0446 : Resources in time domain, e.g. slots or frames
• CPC Class Codes: H04W 72/12 : Wireless traffic scheduling
• CPC Class Codes: H04W 72/1268 : of uplink data flows
• CPC Class Codes: H04W 72/1273 : of downlink data flows
• CPC Class Codes: H04W 72/20 : Control channels or signalling for resource management
• CPC Class Codes: H04W 72/21 : in the uplink direction of a wireless link, i.e. towards the network
• CPC Class Codes: H04W 72/23 : in the downlink direction of a wireless link, i.e. towards a terminal
• CPC Class Codes: H04W 72/27 : between access points
• CPC Class Codes: H04W 72/51 : based on terminal or device properties
• CPC Class Codes: H04W 72/541 : using the level of interference
• CPC Class Codes: H04W 72/569 : of the traffic information
• CPC Class Codes: H04W 74/085 : collision avoidance
• 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: Y02D 30/70 : in wireless communication networks

Abstract

Embodiments of the present disclosure describe devices, methods, computer-readable media and systems configurations for determining a hybrid automatic repeat request (HARQ)-acknowledgment (ACK) codebook in wireless communication networks.

Claims

1. An apparatus comprising:

transceiver module configured to communicate via a plurality of serving cells, wherein at least two of the serving cells have different time division duplexing (TDD) uplink-downlink (UL-DL) configurations; and

a feedback controller coupled with the transceiver module and configured to;

obtain a downlink assignment index (DAI);

determine a number of downlink subframes within a bundling window of a first serving cell of the plurality of serving cells, wherein the downlink subframes of the bundling window are associated with an uplink subframe for transmission of corresponding hybrid automatic repeat request-acknowledgment (HARQ-ACK) information;

determine a number of HARQ-ACK bits, which corresponds to the first serving cell, available on a physical uplink shared channel (PUSCH) of the uplink subframe based on the DAI and the determined number of downlink subframes;

determine a value that corresponds to the DAI;

select whichever of the determined value or the determined number of downlink subframes is smaller as the number of HARQ-ACK bits for the first serving cell; and

determine a HARQ-ACK codebook size on the PUSCH of the uplink subframe based on the number of HARQ-ACK bits for the first serving cell.

2. The apparatus of claim 1, wherein the DAI corresponds to a maximum value of number of scheduled downlink subframes within bundling windows of the plurality of serving cells, wherein the downlink subframes within the bundling windows of the plurality of serving cells are associated with the uplink subframe, and the feedback controller is further configured to:

determine the HARQ-ACK bits based on the maximum value.

3. The apparatus of claim 1, wherein the DAI is included in downlink control information (DCI) that allocates uplink transmission resource of a serving cell having the uplink subframe.

4. The apparatus of claim 3, wherein the DCI has a format that is DCI format 0 or DCI format 4.

5. The apparatus of claim 1, wherein at least one of the subframes within the bundling window include a physical downlink shared channel (PDSCH) transmission associated with a downlink control information (DCI) message of a physical downlink control channel (PDCCH) or a PDCCH transmission indicating downlink semi-persistent scheduling (SPS) release to a user equipment (UE) to which the HARQ-ACK information corresponds.

6. The apparatus of claim 1, wherein

the number of downlink subframes within the bundling window associated with the uplink subframe does not include a special subframe of configurations 0 and 5 with normal downlink cyclic prefix (CP) or of configurations 0 and 4 with extended downlink CP.

7. The apparatus of claim 1, wherein the feedback controller is further configured to:

determine a number of HARQ-ACK bits, which correspond to each of the plurality of serving cells, available on the PUSCH of the uplink subframe; and

determine a HARQ-ACK codebook size on the PUSCH of the uplink subframe based on the determined number of HARQ-ACK bits that correspond to each of the plurality of serving cells.

8. The apparatus of claim 7, wherein the feedback controller is configured to determine the HARQ-ACK codebook size by being configured to aggregate the determined number of HARQ-ACK bits that correspond to each of the plurality of serving cells.

9. The apparatus of claim 1, wherein the feedback controller is further configured to:

determine a number of transport blocks supported per subframe for a transmission mode of the first serving cell; and

determine the number of HARQ-ACK bits for the first serving cell based on the determined number of transport blocks supported per subframe.

10. The apparatus of claim 1, wherein the feedback controller is further configured to:

determine a number of HARQ-ACK bits that correspond to each serving cell of the plurality of serving cells; and

determine the HARQ-ACK codebook size based on the determined number of HARQ-ACK bits that correspond to each serving cell of the plurality of serving cells.

11. The apparatus of claim 10, wherein the feedback controller is further configured to determine the number of HARQ-ACK bits that correspond to each serving cell of the plurality of serving cells based on:

O_c=min(M_c^DL,W_DAI^UL)*C_c^DL,

where c is a serving cell index, O_c is the number of HARQ-ACK bits that correspond to the c^th serving cell, M_c^DL is the number of downlink subframes of a bundling window of the c^th serving cell, wherein the bundling window is determined according to a HARQ timing reference configuration of the c^th serving cell and excludes special subframes of configurations 0 and 5 with normal downlink cyclic prefix (CP) and of configurations 0 and 4 with extended downlink CP, W_DAI^UL is the determined value that corresponds to the DAI in downlink control information (DCI) format for uplink resource allocation for the plurality of serving cells, and C_c^DL is a number of transport blocks supported per subframe for a transmission mode of the c^th serving cell.

12. The apparatus of claim 1, wherein the feedback controller is further configured to:

determine a number of PDSCH transmissions and PDCCH transmissions that indicate downlink semi-persistent scheduling (SPS) release that are received in subframes of bundling windows of each of the plurality of serving cells;

determine a maximum of the determined numbers of PDSCH transmissions and PDCCH transmissions that indicate downlink SPS release that are received in subframes of bundling windows of each of the plurality of serving cells; and

determine the number of HARQ-ACK bits based on the determined maximum.

13. The apparatus of claim 12, wherein the feedback controller is further configured to determine the number of HARQ-ACK bits that correspond to each serving cell based on:

14. The apparatus of claim 13, wherein the feedback controller is further configured to determine a HARQ-ACK codebook size, O, based on:

15. The apparatus of claim 12, wherein the feedback controller is further configured to:

if HARQ timing reference configuration of at least one serving cell of the plurality of serving cells is UL-DL configuration 5, determine the number of HARQ-ACK bits that correspond to each serving cell based on;

16. The apparatus of claim 1, wherein the uplink subframe is in a second serving cell of the plurality of serving cells.

17. The apparatus of claim 1, wherein the number of HARQ-ACK bits corresponds to the downlink subframes of the bundling window of the first serving cell.

18. The apparatus of claim 17, wherein the association of the downlink subframes of the bundling window with the uplink subframe is based on a predetermined HARQ-ACK timing reference.

19. One or more non-transitory computer-readable media having instructions, stored thereon, that, when executed cause a user equipment (UE) to:

configure a plurality of serving cells for communication, wherein at least two of the serving cells have different time division duplexing (TDD) uplink-downlink (UL-DL) configurations;

determine a size of a bundling window for individual serving cells of the plurality of serving cells;

determine a value that corresponds to a maximum number of scheduled downlink subframes within the bundling windows of the plurality of serving cells;

determine a size of a HARQ-ACK codebook on a first uplink subframe that is associated with the bundling windows of the plurality of serving cells based on the size of the bundling window and the determined value;

obtain a downlink assignment index;

determine the value based on the downlink assignment index;

if HARQ timing reference configuration of at least one serving cell of the plurality of serving cells is configuration 5, determine a number of HARQ bits for bundling windows of the individual serving cells based on;

20. The one or more non-transitory computer-readable media of claim 19, wherein the instructions, when executed, further cause the UE to:

puncture physical uplink shared channel (PUSCH) resource elements with HARQ-ACK symbols based on the determined size of the HARQ-ACK codebook.

21. One or more non-transitory computer-readable media having instructions that, when executed, cause a feedback controller to:

obtain a downlink assignment index (DAI); and

if a HARQ timing reference configuration of at least one serving cell of a plurality of configured serving cells is configuration 5, determine a number of HARQ-ACK bits that correspond to each serving cell based on;

22. The one or more non-transitory computer-readable media of claim 21, wherein the instructions, when executed, further cause the feedback controller to:

determine a System Information Block 1 (SIB1) configuration for a primary serving cell (PCell) of the plurality of serving cells;

determine a SIB1 configuration for a second secondary serving cell (SCell) of the plurality of configured serving cells; and

determine a HARQ timing reference configuration for the SCell based on the SIB1 configuration of the PCell and the SIB1 configuration of the SCell.

23. The one or more non-transitory computer-readable media of claim 22, wherein the instructions, when executed, further cause the feedback controller to:

determine a number of downlink subframes in bundling window of the SCell based on the determined HARQ timing reference configuration.

24. The one or more non-transitory computer-readable media of claim 21, wherein the instructions, when executed, further cause the feedback controller to:

determine a UL-DL configuration for a primary serving cell (PCell) of the plurality of configured serving cells;

determine a UL-DL configuration for a second secondary serving cell (SCell) of the plurality of configured serving cells; and

determine a HARQ timing reference configuration for the SCell based on the UL-DL configuration of the PCell and the UL-DL configuration of the SCell.

25. The one or more non-transitory computer-readable media of claim 21, wherein the instructions, when executed, further cause the feedback controller to:

puncture physical uplink shared channel (PUSCH) resource elements with the determined number of HARQ-ACK bits.

26. A method comprising:

obtaining, with feedback control circuitry, a downlink assignment index (DAI); and

if a HARQ timing reference configuration of at least one serving cell of a plurality of configured serving cells is configuration 5, determining, with the feedback control circuitry, a number of HARQ-ACK bits that correspond to each serving cell based on;

27. The method of claim 26, further comprising:

determining a System Information Block 1 (SIB1) configuration for a primary serving cell (PCell) of the plurality of serving cells;

determining a SIB1 configuration for a second secondary serving cell (SCell) of the plurality of configured serving cells; and

determining a HARQ timing reference configuration for the SCell based on the SIB1 configuration of the PCell and the SIB1 configuration of the SCell.

28. The method of claim 27, further comprising:

determine a number of downlink subframes in bundling window of the SCell based on the determined HARQ timing reference configuration.

29. The method of claim 26, further comprising:

determining a UL-DL configuration for a primary serving cell (PCell) of the plurality of configured serving cells;

determining a UL-DL configuration for a second secondary serving cell (SCell) of the plurality of configured serving cells; and

determining a HARQ timing reference configuration for the SCell based on the UL-DL configuration of the PCell and the UL-DL configuration of the SCell.

30. The method of claim 26, further comprising:

puncturing physical uplink shared channel (PUSCH) resource elements with the determined number of HARQ-ACK bits.