CN105247804A

5G,4G,3G,2G

Title

Time division duplex (tdd) uplink downlink (ul-dl) reconfiguration

Application Number:

CN2014830845

Publication Date:

13-01-2016

Current Assignee:

NOT AVAILABLE

Family ID:

52115514

Application Date:

25-06-2014

Declaring Company:

APPLE INC , INTEL CORP

Publication Country:

US

Priority Date:

28-06-2013

View on Espacenet goto-link

Title

Time division duplex (tdd) uplink downlink (ul-dl) reconfiguration

Application Number:

CN2014830845

Family ID:

52115514

Publication Country:

US

Publication Date:

13-01-2016

Application Date:

25-06-2014

Priority Date:

28-06-2013

Current Assignee:

NOT AVAILABLE

Declaring Company:

APPLE INC , INTEL CORP

View on Espacenet goto-link

Abstract  Abstract

The invention claims for performing heterogeneous network (HetNet) in time division duplex (TDD) uplink-downlink (UL-DL) reconfiguration techniques. cluster metric of the more eNB evolved Node B (eNB) can be identified in the cell cluster of HetNet. multiple eNBs in the cell cluster can have backhaul delay within a selected range. eNB may be partially TDD multiple eNBs based on cluster metric to select in the cell cluster UL-DL configuration index. eNB may use a downlink control information (DCI) format to one or more user equipments (UEs) located in the cell cluster sending TDD UL-DL configuration index. TDD UL-DL configuration index may be on the UE specific primary cell (Pcell) physical downlink control channel (PDCCH) of a common search space (CSS) is transmitted.

Technology for performing a Time Division Duplex (TDD) uplink-downlink (UL-DL) reconfiguration in a heterogeneous network (HetNet) is described. An evolved node B (eNB) may identify cluster metrics for a plurality of evolved node Bs (eNBs) in a cell cluster of the HetNet. The plurality of eNBs in the cell cluster may have a backhaul latency within a selected range. The eNB may select a TDD UL-DL configuration index for the plurality of eNBs in the cell cluster based in part on the cluster metrics. The eNB may transmit the TDD UL-DL configuration index to one or more user equipments (UEs) located within the cell cluster using a downlink control information (DCI) format. The TDD UL-DL configuration index may be transmitted on a Common Search Space (CSS) of a physical downlink control channel (PDCCH) on a UE-specific Primary Cell (PCell).

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