PHYSICAL UPLINK CONTROL CHANNEL (PUCCH) RESOURCE MAPPING USING AN ENHANCED PHYSICAL DOWNLINK CONTROL CHANNEL (ePDCCH)

• US 20130242890A1
• Filed: 09/14/2012
• Published: 09/19/2013
• Est. Priority Date: 03/16/2012
• Status: Active Grant

• Current Assignee: Intel Corporation
• Original Assignee: Intel Corporation
• Inventors: He, Hong, Fwu, Jong-Kae, Zhu, Yuan
• Granted Patent: US 8,958,379 B2
• Time in Patent Office: Days
• US Class Current: 370/329
• 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

Technology for physical uplink control channel (PUCCH) resource mapping corresponding to an enhanced physical downlink control channel (ePDCCH) is disclosed. One method can include a node mapping a PUCCH resource n_PUCCH⁽¹⁾ corresponding to an ePDCCH for PUCCH resource hybrid automatic repeat request-acknowledgement (HARQ-ACK) feedback. The PUCCH resource n_PUCCH⁽¹⁾ can be determined using a lowest PRB index including at least one enhanced control channel element (eCCE) of ePDCCH resources and a total number of eCCE in one physical resource block (PRB).

Claims

1. A method for physical uplink control channel (PUCCH) resource mapping corresponding to an enhanced physical downlink control channel (ePDCCH) from a node, comprising:

mapping a PUCCH resource n_PUCCH⁽¹⁾ corresponding to an ePDCCH for PUCCH resource hybrid automatic repeat request-acknowledgement (HARQ-ACK) feedback, wherein the PUCCH resource n_PUCCH⁽¹⁾ is determined using a lowest PRB index including at least one enhanced control channel element (eCCE) of ePDCCH resources and a total number of eCCE in one physical resource block (PRB).

2. The method of claim 1, wherein the PUCCH resource n_PUCCH⁽¹⁾ is represented by n_PUCCH⁽¹⁾=E·

(I<sub>PRB—

ePDCCH</sub><sup>lowest—

index</sup>−

N_PRB,ePDCCH^offset)+n_eCCE+N_ePUCCH⁽¹⁾ for frequency-division duplexing (FDD), where E is the total number of eCCE in one PRB, I<sub>PRB—

ePDCCH</sub><sup>lowest—

index</sup> is a lowest PRB index including at least one eCCE of ePDCCH resources, N_PRB,ePDCCH^offset is a starting PRB index for an ePDCCH region, n_eCCE is a first eCCE index number in a lowest PRB used for transmission of the corresponding ePDCCH in a downlink subframe where 0≦

n_eCCE<

E, and N_ePUCCH⁽¹⁾ is a starting PUCCH channel index for an ePUCCH region in an uplink subframe and is configured by high layers for each user equipment (UE).

3. The method of claim 2, wherein N_ePUCCH⁽¹⁾>

0, N_PRB,ePDCCH^offset>

0, and I<sub>PRB—

ePDCCH</sub><sup>lowest—

index</sup> is configured by radio resource control (RRC) signaling as cell-specific parameter or a UE-specific parameter, and E is a fixed parameter defined by a specification.

4. The method of claim 1, wherein the PUCCH resource n_PUCCH⁽¹⁾ is represented by

n_PUCCH⁽¹⁾=E·

(Σ

_i=0^m-1N_PRB,ePDCCHⁱ+(I<sub>PRB—

ePDCCH</sub><sup>lowest—

index</sup>−

N_PRB,ePDCCH^offset))+n_eCCE+N_ePUCCH⁽¹⁾

for time-division duplexing (TDD), where E is the total number of eCCE in one PRB, N_PRB,ePDCCH^offset is a starting PRB index for an ePDCCH region, N_ePUCCH⁽¹⁾ is a starting PUCCH channel index for a ePUCCH region in an uplink subframe and is configured by high layers for each user equipment (UE), I<sub>PRB—

ePDCCH</sub><sup>lowest—

index</sup> is a lowest PRB index including at least one eCCE of ePDCCH resources in a downlink subframe n−

k_m, n_eCCE is a first eCCE index number used for transmission of the corresponding ePDCCH in the downlink subframe n−

k_m where n is an uplink subframe associated with the downlink subframe n−

k_m, k_m is a smallest value in a downlink associate set K={k₀, k₁, . . . k_M-1} with a ePDCCH in downlink subframe n−

k_m where M is the number of elements in the set K and 0≦

m≦

M−

1, and N_PRB,ePDCCHⁱ is a number of ePDCCH PRBs used for transmission of ePDCCH in downlink subframe n−

k_i.

5. The method of claim 4, wherein N_PRB,ePDCCHⁱ is a number of N_RB^DL PRBs in accordance with the downlink bandwidth configuration.

6. The method of claim 4, wherein N_ePUCCH⁽¹⁾>

0, N_PRB,ePDCCH^offset>

0, and I<sub>PRB—

ePDCCH</sub><sup>lowest—

index</sup> is configured by radio resource control (RRC) signaling as a cell-specific parameter or a UE-specific parameter, and E is a fixed parameter defined by a specification.

7. The method of claim 4, wherein N_PRB,ePDCCHⁱ>

0 is a cell-specific parameter or a UE-specific parameter configured semi-statically by radio resource control (RRC) signaling or configured dynamically via a physical control format indicator channel (PCFICH).

8. The method of claim 4, wherein M is an integer 0≦

M≦

9.

9. The method of claim 1, wherein the ePDCCH uses a localized ePDCCH transmission of the eCCE or a distributed ePDCCH transmission of the eCCE.

10. The method of claim 1, wherein the PUCCH resource n_PUCCH⁽¹⁾ is a resource index for PUCCH formats 1, 1a, or 1b.

11. At least one non-transitory machine readable storage medium comprising a plurality of instructions adapted to be executed to implement the method of claim 1.

12. A node device of a node configured to map a physical uplink control channel (PUCCH) resource using corresponding to an enhanced physical downlink control channel (ePDCCH), comprising:

a processing module configured to map a PUCCH resource n_PUCCH⁽¹⁾ corresponding to an ePDCCH for PUCCH resource hybrid automatic repeat request-acknowledgement (HARQ-ACK) feedback, wherein the PUCCH resource n_PUCCH⁽¹⁾ is determined using a lowest PRB index including at least one enhanced control channel element (eCCE) of ePDCCH resources.

13. The node device of claim 12, further comprising:

a transceiver module configured to communicate with a wireless device and to send the map of the PUCCH resource n_PUCCH⁽¹⁾ to the wireless device and receive hybrid automatic repeat request-acknowledgement (HARQ-ACK) feedback via a PUCCH based on the map.

14. The node device of claim 12, wherein the PUCCH resource n_PUCCH⁽¹⁾ is represented by

n_PUCCH⁽¹⁾=E·

(I<sub>PRB—

ePDCCH</sub><sup>lowest—

index</sup>−

N_PRB,ePDCCH^offset)+n_eCCE+N_ePUCCH⁽¹⁾

for frequency-division duplexing (FDD), where E is a total number of eCCE in one physical resource block (PRB), I<sub>PRB—

ePDCCH</sub><sup>lowest—

index</sup> is the lowest PRB index including at least one eCCE of ePDCCH resources, N_PRB,ePDCCH^offset is a starting PRB index for an ePDCCH region, n_eCCE is a first eCCE index number in a lowest PRB used for transmission of the corresponding ePDCCH in a downlink subframe where 0≦

n_eCCE<

E, and N_ePUCCH⁽¹⁾ is a starting PUCCH channel index for a ePUCCH region in an uplink subframe and is configured by high layers for each user equipment (UE).

15. The node device of claim 12, wherein the PUCCH resource n_PUCCH⁽¹⁾ is represented by

n_PUCCH⁽¹⁾=E·

(Σ

_i=0^m-1N_PRB,ePDCCHⁱ+(I<sub>PRB—

ePDCCH</sub><sup>lowest—

index</sup>−

N_PRB,ePDCCH^offset))+n_eCCE+N_ePUCCH⁽¹⁾

for time-division duplexing (TDD), where E is a total number of eCCE in one physical resource block (PRB), N_PRB,ePDCCH^offset is a starting PRB index for an ePDCCH region, N_ePUCCH⁽¹⁾ is a starting PUCCH channel index for a ePUCCH region in an uplink subframe and is configured by high layers for each user equipment (UE), I<sub>PRB—

ePDCCH</sub><sup>lowest—

index</sup> is the lowest PRB index including at least one eCCE of ePDCCH resources in a downlink subframe n−

k_m, n_eCCE is a first eCCE index number used for transmission of the corresponding ePDCCH in the downlink subframe n−

k_m where n is an uplink subframe associated with the downlink subframe n−

k_m, k_m is a smallest value in a downlink associate set K={k₀, k₁, . . . k_M-1} with a ePDCCH in downlink subframe n−

k_m where M is the number of elements in the set K and 0≦

m≦

M−

1, and N_PRB,ePDCCHⁱ is a number of ePDCCH PRBs used for transmission of ePDCCH in downlink subframe n−

k_i.

16. The node device of claim 15, wherein the transceiver module is further operable to configure N_PRB,ePDCCHⁱ>

0 semi-statically by radio resource control (RRC) signaling or configure N_PRB,ePDCCHⁱ>

0 dynamically via a physical control format indicator channel (PCFICH) as a cell-specific parameter or a UE-specific parameter.

17. The node device of claim 12, wherein the PUCCH resource n_PUCCH⁽¹⁾ is a resource index for PUCCH formats 1, 1a, or 1b, and the ePDCCH uses a localized ePDCCH transmission of the eCCE or a distributed ePDCCH transmission of the eCCE.

18. The node device of claim 12, wherein the node is selected from the group consisting of a base station (BS), a Node B (NB), an evolved Node B (eNB), a baseband unit (BBU), a remote radio head (RRH), a remote radio equipment (RRE), a remote radio unit (RRU), and combinations thereof.

19. At least one non-transitory machine readable storage medium comprising a plurality of instructions adapted to be executed to implement a method for generating hybrid automatic repeat request-acknowledgement (HARQ-ACK) feedback in physical uplink control channel (PUCCH) corresponding to an enhanced physical downlink control channel (ePDCCH) at a wireless device, comprising:

receiving from a node at the wireless device a parameter for a map of a PUCCH resource n_PUCCH⁽¹⁾ corresponding to an ePDCCH for PUCCH resource HARQ-ACK feedback, wherein the PUCCH resource n_PUCCH⁽¹⁾ is determined using a total number of enhanced control channel element (eCCE) in one physical resource block (PRB); and

transmitting from the wireless device to the node HARQ-ACK feedback of the ePDCCH via a PUCCH based on the map.

20. The least one non-transitory machine readable storage medium of claim 19, wherein the PUCCH resource n_PUCCH⁽¹⁾ is represented by

n_PUCCH⁽¹⁾=E·

(I<sub>PRB—

ePDCCH</sub><sup>lowest—

index</sup>−

N_PRB,ePDCCH^offset)+n_eCCE+N_ePUCCH⁽¹⁾

for frequency-division duplexing (FDD), where E is the total number of eCCE in one PRB, I<sub>PRB—

ePDCCH</sub><sup>lowest—

index</sup> is a lowest PRB index including at least one eCCE of ePDCCH resources, N_PRB,ePDCCH^offset is a starting PUCCH channel index for an ePDCCH region in an uplink subframe, n_eCCE is a first eCCE index number in a lowest PRB used for transmission of the corresponding ePDCCH in a downlink subframe where 0≦

n_eCCE<

E, and N_ePUCCH⁽¹⁾ is a starting PRB index for a ePUCCH region and is configured by high layers for each user equipment (UE).

21. The least one non-transitory machine readable storage medium of claim 19, wherein the PUCCH resource n_PUCCH⁽¹⁾ is represented by

N_PUCCH⁽¹⁾=E·

(Σ

_i=0^m-1N_PRB,ePDCCHⁱ+(I<sub>PRB—

ePDCCH</sub><sup>lowest—

index</sup>−

N_PRB,ePDCCH^offset))+n_eCCE+N_ePUCCH⁽¹⁾

for time-division duplexing (TDD), where E is the total number of eCCE in one PRB, N_PRB,ePDCCH^offset is a starting PRB index for an ePDCCH region, N_ePUCCH⁽¹⁾ is a starting PUCCH channel index for a ePUCCH region in an uplink subframe and is configured by high layers for each user equipment (UE), I<sub>PRB—

ePDCCH</sub><sup>lowest—

index</sup> is a lowest PRB index including at least one eCCE of ePDCCH resources in a downlink subframe n−

k_m, n_eCCE is a first eCCE index number used for transmission of the corresponding ePDCCH in the downlink subframe n−

k_m where n is an uplink subframe associated with the downlink subframe n−

k_m, k_m is a smallest value in a downlink associate set K={k₀, k₁, . . . k_M-1} with a ePDCCH in downlink subframe n−

k_m where M is the number of elements in the set K and 0≦

m≦

M−

1, and N_PRB,ePDCCHⁱ is a number of ePDCCH PRBs used for transmission of ePDCCH in downlink subframe n−

k_i.

22. The least one non-transitory machine readable storage medium of claim 19, further comprising:

receiving from the node at the wireless device the ePDCCH; and

determining whether the ePDCCH was properly received, wherein the HARQ-ACK feedback of the ePDCCH is based on the reception of the ePDCCH.

23. The least one non-transitory machine readable storage medium of claim 19, wherein the PUCCH resource n_PUCCH⁽¹⁾ is a resource index for PUCCH formats 1, 1a, or 1b, and the ePDCCH uses a localized ePDCCH transmission of the eCCE or a distributed ePDCCH transmission of the eCCE.

24. A wireless device configured to generate hybrid automatic repeat request-acknowledgement (HARQ-ACK) feedback in physical uplink control channel (PUCCH) corresponding to an enhanced physical downlink control channel (ePDCCH), comprising:

a transceiver module configured to;

receive from a node a parameter for a map of a PUCCH resource n_PUCCH⁽¹⁾ corresponding to an ePDCCH for PUCCH resource HARQ-ACK feedback, wherein the PUCCH resource n_PUCCH⁽¹⁾ is determined using a starting PUCCH channel index for an ePDCCH region; and

transmit to the node HARQ-ACK feedback of the ePDCCH via a PUCCH based on the map.

25. The wireless device of claim 24, further comprising:

a processing module configured to map the PUCCH resource n_PUCCH⁽¹⁾ based on the parameter.

26. The wireless device of claim 24, wherein the PUCCH resource n_PUCCH⁽¹⁾ is represented by

n_PUCCH⁽¹⁾=E·

(I<sub>PRB—

ePDCCH</sub><sup>lowest—

index</sup>−

N_PRB,ePDCCH^offset)+n_eCCE+N_ePUCCH⁽¹⁾

for frequency-division duplexing (FDD), where E is a total number of enhanced control channel element (eCCE) in one physical resource block (PRB), I<sub>PRB—

ePDCCH</sub><sup>lowest—

index</sup> is a lowest PRB index including at least one eCCE of ePDCCH resources, N_PRB,ePDCCH^offset is the starting PRB index for the ePDCCH region, n_eCCE is a first eCCE index number in a lowest PRB used for transmission of the corresponding ePDCCH in a downlink subframe where 0≦

n_eCCE<

E, and N_ePUCCH⁽¹⁾ is a starting PUCCH channel index for a ePUCCH region in an uplink subframe and is configured by high layers for each user equipment (UE).

27. The wireless device of claim 24, wherein the PUCCH resource n_PUCCH⁽¹⁾ is represented by

n_PUCCH⁽¹⁾=E·

(Σ

_i=0^m-1N_PRB,ePDCCHⁱ+(I<sub>PRB—

ePDCCH</sub><sup>lowest—

index</sup>−

N_PRB,ePDCCH^offset))+n_eCCE+N_ePUCCH⁽¹⁾

for time-division duplexing (TDD), where E is a total number of enhanced control channel element (eCCE) in one physical resource block (PRB), N_PRB,ePDCCH^offset is the starting PRB index for the ePDCCH region, N_ePUCCH⁽¹⁾ is a starting PUCCH channel index for a ePUCCH region in an uplink subframe and is configured by high layers for each user equipment (UE), I<sub>PRB—

ePDCCH</sub><sup>lowest—

index</sup> is a lowest PRB index including at least one eCCE of ePDCCH resources in a downlink subframe n−

k_m, n_eCCE is a first eCCE index number used for transmission of the corresponding ePDCCH in the downlink subframe n−

k_m where n is an uplink subframe associated with the downlink subframe n−

k_m, k_m is a smallest value in a downlink associate set K={k₀, k₁, . . . k_m-1} with a ePDCCH in downlink subframe n−

k_m where M is the number of elements in the set K and 0≦

m≦

M−

1, and N_PRB,ePDCCHⁱ is a number of ePDCCH PRBs used for transmission of ePDCCH in downlink subframe n−

k_i.

28. The wireless device of claim 24, wherein the transceiver module is further configured to receive from the node the ePDCCH, and the wireless device further comprises:

a processing module configured to determine whether the ePDCCH was properly received, wherein the HARQ-ACK feedback of the ePDCCH is based on the reception of the ePDCCH.

29. The wireless device of claim 24, wherein the PUCCH resource n_PUCCH⁽¹⁾ is a resource index for PUCCH formats 1, 1a, or 1b, and the ePDCCH uses a localized ePDCCH transmission of the enhanced control channel element (eCCE) or a distributed ePDCCH transmission of the eCCE.

30. The wireless device of claim 24, wherein the wireless device is selected from the group consisting of a user equipment (UE) and a mobile station (MS), and the wireless device includes at least one of an antenna, a touch sensitive display screen, a speaker, a microphone, a graphics processor, an application processor, internal memory, a non-volatile memory port, and combinations thereof.