DOWNLINK MULTIPLEXING

• US 20150189635A1
• Filed: 03/16/2015
• Published: 07/02/2015
• Est. Priority Date: 08/14/2007
• Status: Active Grant

• Current Assignee: NEC Corporation
• Original Assignee: NEC Corporation
• Inventors: Ahluwalia, Jagdeep Singh, Awad, Yassin Aden
• Granted Patent: US 9,351,296 B2
• Time in Patent Office: Days
• US Class Current: 1/1
• CPC Class Codes: H04L 1/1812 Hybrid protocols; Hybrid automatic repeat request [HARQ]
• CPC Class Codes: H04L 1/1822 involving configuration of automatic repeat request [ARQ] with parallel processes
• CPC Class Codes: H04L 1/1864 ARQ related signaling H04L1/1607 takes precedence
• CPC Class Codes: H04L 1/1887 Scheduling and prioritising arrangements
• CPC Class Codes: H04L 1/1893 Physical mapping arrangements physical resource mapping in general H04L5/00
• CPC Class Codes: H04L 5/0044 allocation of payload
• CPC Class Codes: H04L 5/0053 Allocation of signaling, i.e. of overhead other than pilot signals
• CPC Class Codes: H04L 5/0094 Indication of how sub-channels of the path are allocated
• 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 72/0453 Resources in frequency domain, e.g. a carrier in FDMA
• CPC Class Codes: H04W 72/12 Wireless traffic scheduling
• 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 72/23 in the downlink direction of a wireless link, i.e. towards a terminal

Abstract

A communications node includes a memory configured to store allocation data defining an allocation of persistent downlink resources for use in communicating data between the communications node and another node of a communications system within predetermined transmission time intervals (TTIs), a receiver configured to receive control data relating to a dynamic allocation of resources to be used in a current TTI, and a controller configured to determine if a C-RNTI is present in the control data for a TTI for which a User Equipment (UE) includes persistent downlink resources, determine that the resource allocation indicated on a control channel for the TTI overrides the persistent downlink resources for the TTI, when a C-RNTI is present in the control channel for a TTI for which the UE has persistent downlink resources, and allocate persistent downlink resources for a Hybrid Automatic Repeat Request (HARQ) transmission.

Claims

1. A communications node, comprising:

a memory configured to store allocation data defining an allocation of persistent downlink resources for use in communicating data between the communications node and another node of a communications system within predetermined transmission time intervals (TTIs);

a receiver configured to receive control data relating to a dynamic allocation of resources to be used in a current TTI; and

a controller configured to;

determine if a C-RNTI is present in the control data for a TTI for which a User Equipment (UE) includes persistent downlink resources;

determine that the resource allocation indicated on a control channel for the TTI overrides the persistent downlink resources for the TTI, when a C-RNTI is present in the control channel for a TTI for which said UE has persistent downlink resources; and

allocate persistent downlink resources for a Hybrid Automatic Repeat Request (HARQ) transmission.

2. A communications node, comprising:

storing allocation data defining an allocation of persistent downlink resources for use in communicating data between the communications node and another node of a communications system within predetermined transmission time intervals (TTIs);

receiving control data relating to a dynamic allocation of resources to be used in a current TTI;

determining if a C-RNTI is present in the control data for a TTI for which a User Equipment (UE) includes persistent downlink resources;

determining that the resource allocation indicated on the control channel for the TTI overrides the persistent downlink resources for the TTI, when a C-RNTI is present in the control channel for a TTI for which said UE has persistent downlink resources; and

allocating persistent downlink resources for a Hybrid Automatic Repeat Request (HARQ) transmission.

3. A non-transitory computer-readable storage medium encoded with a computer program for causing a programmable computer device to carry out the method of claim 2.