Selection of acknowledgment timing in wireless communications
First Claim
1. A user equipment (UE) comprising processing circuitry configured to:
- establish a connection to a primary serving cell (PCell) and a secondary serving cell (SCell) of an enhanced-Node B (eNB) configured for Time Division Duplex (TDD)-Frequency Division Duplex (FDD) carrier aggregation (CA), the PCell having a first TDD or first FDD configuration, the SCell having a second FDD or second TDD configuration such that only one of the PCell and the SCell have a TDD configuration and only one of the PCell and the SCell have a FDD configuration, such that the PCell and the SCell include both of the TDD configuration and the FDD configuration;
receive downlink data through the PCell and SCell;
categorize a type of downlink data subframe in use by the SCell;
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;
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;
select a hybrid automatic repeat request (HARQ) timing sequence configuration for use on the PCell based on a FDD HARQ timing sequence configuration when the PCell is FDD configured; and
transmit acknowledgement information associated with the downlink data according to the selected hybrid automatic repeat request (HARQ) timing sequence configuration on the PCell, wherein the HARQ timing sequence configuration for use on the SCell for DL subframe n-k, where k>
=4, is transmitted in a first available uplink data subframe n on the PCell, wherein appropriate values for k are determined irrespective of a type of downlink data subframe in use on the SCell.
3 Assignments
0 Petitions
Accused Products
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.
13 Citations
18 Claims
-
1. A user equipment (UE) comprising processing circuitry configured to:
-
establish a connection to a primary serving cell (PCell) and a secondary serving cell (SCell) of an enhanced-Node B (eNB) configured for Time Division Duplex (TDD)-Frequency Division Duplex (FDD) carrier aggregation (CA), the PCell having a first TDD or first FDD configuration, the SCell having a second FDD or second TDD configuration such that only one of the PCell and the SCell have a TDD configuration and only one of the PCell and the SCell have a FDD configuration, such that the PCell and the SCell include both of the TDD configuration and the FDD configuration; receive downlink data through the PCell and SCell; categorize a type of downlink data subframe in use by the SCell; 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; 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; select a hybrid automatic repeat request (HARQ) timing sequence configuration for use on the PCell based on a FDD HARQ timing sequence configuration when the PCell is FDD configured; and transmit acknowledgement information associated with the downlink data according to the selected hybrid automatic repeat request (HARQ) timing sequence configuration on the PCell, wherein the HARQ timing sequence configuration for use on the SCell for DL subframe n-k, where k>
=4, is transmitted in a first available uplink data subframe n on the PCell, wherein appropriate values for k are determined irrespective of a type of downlink data subframe in use on the SCell. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10)
-
-
11. User Equipment (UE) comprising processing circuitry configured to:
-
receive a downlink data subframe from a PCell and a SCell, wherein the PCell and the SCell are set up between the UE and an enhanced-Node B (eNB) in a time division duplex frequency division duplex (TDD-FDD) carrier aggregation (CA) formation, such that only one of the PCell and the SCell have a TDD configuration and only one of the PCell and the SCell have a FDD configuration, such that the PCell and the SCell include both of the TDD configuration and the FDD configuration; determine a type of downlink data subframe received from the SCell; select a hybrid automatic repeat request (HARQ) timing sequence configuration for use by the UE for data received from the SCell based on the type of downlink data subframe, wherein the HARQ timing sequence configuration for use on the SCell for DL subframe n-k, where k>
=4, is transmitted in a first available uplink data subframe n on the PCell, wherein appropriate values for k are determined irrespective of a type of downlink data subframe in use on the SCell;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; and select a hybrid automatic repeat request (HARQ) timing sequence configuration for use on the PCell based on a FDD HARQ timing sequence configuration when the PCell is FDD configured. - View Dependent Claims (12, 13)
-
-
14. A method for selecting a suitable acknowledgement timing configuration in a time division duplex frequency division duplex (TDD-FDD) carrier aggregation (CA) enabled wireless communication network, comprising:
-
associating, by a user equipment (UE), with a primary serving cell (PCell) and a secondary serving cell (SCell) of an enhanced-Node B (eNB), the PCell having a first TDD or first FDD configuration, the SCell having a second FDD or second TDD configuration, such that only one of the PCell and the SCell have a TDD configuration and only one of the PCell and the SCell have a FDD configuration, such that the PCell and the SCell include both of the TDD configuration and the FDD 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 sequence configuration for use by the SCell based on the type of downlink data subframe; 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; select a hybrid automatic repeat request (HARQ) timing sequence configuration for use on the PCell based on a FDD HARQ timing sequence configuration when the PCell is FDD configured; and transmitting acknowledgement information associated with the downlink data according to the selected hybrid automatic repeat request (HARQ) timing sequence configuration on the PCell, wherein the HARQ timing sequence configuration for use on the SCell for DL subframe n-k, where k>
=4, is transmitted in a first available uplink data subframe n on the PCell, wherein appropriate values for k are determined irrespective of a type of downlink data subframe in use on the SCell. - View Dependent Claims (15, 16, 17, 18)
-
Specification