CN104782166A

5G,4G,3G,2G

Title

Fast modulation and coding scheme adaptation protocol for long term evolution with multiple-user multiple-input multiple output

Application Number:

CN2013851478

Publication Date:

15-07-2015

Current Assignee:

NOT AVAILABLE

Family ID:

50627920

Application Date:

10-10-2013

Declaring Company:

APPLE INC , INTEL CORP

Publication Country:

US

Priority Date:

01-11-2012

View on Espacenet goto-link

Title

Fast modulation and coding scheme adaptation protocol for long term evolution with multiple-user multiple-input multiple output

Application Number:

CN2013851478

Family ID:

50627920

Publication Country:

US

Publication Date:

15-07-2015

Application Date:

10-10-2013

Priority Date:

01-11-2012

Current Assignee:

NOT AVAILABLE

Declaring Company:

APPLE INC , INTEL CORP

View on Espacenet goto-link

Abstract  Abstract

The invention generally described herein for providing LTE fast modulation and coding scheme suitable for regardless of single user multiple input and multiple output (SU-MIMO) transmission or multi-user multiple input and multiple output transmission embodiments. In some embodiments channel state information reference signal node to the user equipment. based on the first channel quality indication feedback channel state information reference signal received from the user equipment. physical downlink shared channel data and the demodulation reference signal by using a first modulation and coding scheme based on the first channel quality indication feedback is transmitted. a second channel quality measurement performed on the demodulation reference signal based on user equipment of an indication of feedback received by the node. a physical downlink shared channel data is transmitted by using a second modulation and coding scheme based on the second channel quality indication feedback.

Embodiments for providing fast modulation and coding scheme adaptation for LTE regardless of transmission using single-user multiple-input and multiple-output (SU-MIMO) or multiple-user multiple-input and multiple-output are generally described herein. In some embodiments channel state information reference signals are sent to user equipment by a node. First channel quality indication feedback based on the channel state information reference signals is received from the user equipment. Physical downlink shared channel data and demodulation reference signals are transmitted using a first modulation and coding scheme based on the first channel quality indication feedback. Second channel quality indication feedback based on measurements performed by the user equipment on the demodulation reference signals is received by a node. Physical downlink shared channel data is transmitted using a second modulation and coding scheme based on the second channel quality indication feedback.

Note:

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