Methods and systems for determining uplink resources

• US 9,386,583 B2
• Filed: 07/29/2013
• Issued: 07/05/2016
• Est. Priority Date: 08/10/2012
• Status: Active Grant

• Current Assignee: Nokia Technologies Oy (Nokia Corporation)
• Original Assignee: Alcatel-Lucent SA (Nokia Corporation)
• Inventors: Ye, Sigen, Baker, Matthew P J
• Primary Examiner(s): Foud, Hicham
• Application Number:
  US13/953,093
• Publication Number:
  US 20140044062A1
• Time in Patent Office: 1,072 Days
• Field of Search: None
• US Class Current: 1/1
• CPC Class Codes: H04L 1/1812 Hybrid protocols; Hybrid automatic repeat request [HARQ]
• CPC Class Codes: H04L 1/1861 Physical mapping arrangements for ACK signaling see also H04L5/0053
• 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 5/0091 Signaling for the administration of the divided path
• CPC Class Codes: H04W 72/00 Local resource management
• CPC Class Codes: H04W 72/0453 Resources in frequency domain, e.g. a carrier in FDMA
• 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

Abstract

At least one example embodiment discloses a method of determining uplink resources. The method includes assigning index values for control channel elements. The control channel elements are allocated to at least one of first and second control channel transmission sets. The uplink resources being are based on the index values and an uplink resource for the first control channel transmission is different than an uplink resource for the second control channel transmission.

Claims

1. A method for determining uplink resources, the method comprising:

assigning index values for control channel elements, the control channel elements being allocated to at least one of first and second control channel transmission sets, the uplink resources being based on the index values, and an uplink resource for the first control channel transmission being different than an uplink resource for the second control channel transmission, wherein the first control channel transmission set are for localized transmissions and the second control channel transmission set are for distributed transmissions and the assigning index values for control channel elements includes,

assigning the index values for the first control channel transmission set such that the index values for the first control channel transmission set are sequential; and

assigning virtual index values for the second control channel transmission set based on the index values for the first control channel transmission set.

2. The method of claim 1, wherein the control channel elements are enhanced control channel elements.

3. The method of claim 1, wherein the assigning virtual index values for the second control channel transmission set includes,

determining a first resource element group in a first distributed control channel element;

determining a position of the first resource element group in the localized control channel element; and

determining the virtual index value for the first distributed control channel element based on the position of the first resource element group in the localized control channel element.

4. The method of claim 1, wherein the first and second control channel transmission sets share a same set of physical resource block pairs.

5. The method of claim 1, wherein the first and second control channel transmission sets have different sets of physical resource block pairs.

6. A base station comprising:

a memory; and

a processor configured to assign index values for control channel elements, the control channel elements being allocated to at least one of first and second control channel transmission sets, uplink resources being based on the index values, and an uplink resource for the first control channel transmission being different than an uplink resource for the second control channel transmission, wherein the processor is configured to,

assign the index values for the first control channel transmission set such that the index values for the first control channel transmission set are sequential; and

assign virtual index values for the second control channel transmission set based on the index values for the first control channel transmission set.

7. The base station of claim 6, wherein the processor is configured to,

determine a first resource element group in a first distributed control channel element;

determine a position of the first resource element group in the localized control channel element; and

determine the virtual index value for the first distributed control channel element based on the position of the first resource element group in the localized control channel element.

8. The base station of claim 6, wherein the first and second control channel transmission sets share a same set of physical resource block pairs.

9. The base station of claim 6, wherein the first and second control channel transmission sets have different sets of physical resource block pairs.