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:
Mar. 29, 2022

Filed:

Jun. 03, 2020
Applicant:

Mediatek Inc., Hsinchu, TW;

Inventors:

Chiou-Wei Tsai, Hsinchu, TW;

Guo-Hau Gau, Hsinchu, TW;

Chia-Hao Yu, Hsinchu, TW;

Assignee:

MEDIATEK INC., Hsinchu, TW;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04W 16/28 (2009.01); H04L 5/00 (2006.01); H04W 72/08 (2009.01); H04W 74/08 (2009.01); H04W 72/04 (2009.01); H04W 74/00 (2009.01);
U.S. Cl.
CPC ...
H04W 16/28 (2013.01); H04L 5/005 (2013.01); H04L 5/0048 (2013.01); H04L 5/0055 (2013.01); H04W 72/046 (2013.01); H04W 74/0833 (2013.01); H04L 5/0023 (2013.01); H04W 74/006 (2013.01);
Abstract

A User Equipment (UE), and associated method, including a wireless transceiver, configured to perform wireless transmission and reception to and from a cellular station. A controller is configured to use a first preamble to perform a synchronous transmission on a PRACH to the cellular station via the wireless transceiver, and use a second preamble to perform either of at least two different types of transmission, the two different types of transmission comprising an asynchronous transmission and a synchronous transmission to the cellular station via the wireless transceiver; wherein the controller is further configured to receive a random access response to the synchronous transmission from the cellular station via the wireless transceiver, and wherein a Timing Advance (TA) estimation is not required for the synchronous transmission.


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