The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
May. 09, 2023

Filed:

Jun. 15, 2017
Applicant:

Nec Corporation, Tokyo, JP;

Inventors:

Yueyu Wang, Beijing, CN;

Zhaobang Miao, Beijing, CN;

Gang Wang, Beijing, CN;

Assignee:

NEC CORPORATION, Tokyo, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04W 4/00 (2018.01); H04W 52/50 (2009.01); H04W 52/24 (2009.01); H04W 52/40 (2009.01); H04W 74/08 (2009.01);
U.S. Cl.
CPC ...
H04W 52/50 (2013.01); H04W 52/242 (2013.01); H04W 52/40 (2013.01); H04W 74/0833 (2013.01);
Abstract

Embodiments of the present disclosure relate to a method, terminal device and apparatus for physical random access channel (PRACH) power control and a method, network device and apparatus for transmitting parameters of PRACH power control. In an embodiment of the present disclosure, the method of PRACH power control may comprise determining a transmission power of PRACH preamble based on a power constriction of a terminal device, a preamble received target transmission power and a downlink path loss on a beam level. With embodiments of the present disclosure, it could provide a power control for PRACH with improved accuracy, which increases the success possibility of random access attempt and interferences to other devices.


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