Title:
ENHANCED POWER HEADROOM REPORTING FOR UPLINK CARRIER AGGREGATION
Document Type and Number:
WIPO Patent Application WO/2017/024432
Kind Code:
A1
Abstract:
Enhanced power headroom reporting for uplink carrier aggregation is disclosed. A user equipment may divide power headroom information for multiple cells having configured uplinks into multiple partial power headroom reports, each including power headroom information for one or more cells. Cells may be prioritized for power headroom reporting according to their respective power headroom reporting triggers, cell indices, or other criteria. Multiple partial power headroom reports may be sent in the same transmission time interval and on the same or different carriers. A partial power headroom report may include a truncation indicator. A base station may receive a power headroom report and may determine that the power headroom information is partial. The base station may provide an additional grant for unreported cells and/or modify a transmission parameter for a subsequent uplink transmission.
Inventors:
LIU HAIQIN (US)
NGUYEN BAO VINH (US)
WU PENG (US)
XIAO GANG ANDY (US)
KRISHNAMOORTHI DEEPAK (US)
RAMKUMAR VASANTH KUMAR (US)
MAHESHWARI SHAILESH (US)
NGUYEN BAO VINH (US)
WU PENG (US)
XIAO GANG ANDY (US)
KRISHNAMOORTHI DEEPAK (US)
RAMKUMAR VASANTH KUMAR (US)
MAHESHWARI SHAILESH (US)
Application Number:
PCT/CN2015/086333
Publication Date:
February 16, 2017
Filing Date:
August 07, 2015
Export Citation:
Assignee:
QUALCOMM INC (US)
LIU HAIQIN (US)
LIU HAIQIN (US)
International Classes:
H04W52/14; H04W52/30
Foreign References:
| US20140206410A1 | 2014-07-24 | |||
| CN102378340A | 2012-03-14 | |||
| CN104796940A | 2015-07-22 | |||
| US20120113919A1 | 2012-05-10 |
Attorney, Agent or Firm:
NTD PATENT & TRADEMARK AGENCY LIMITED (CN)
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