InterDigital Inc (IDCC)

[Gamco]

United States Patent 9,750,053
Pelletier , et al. August 29, 2017

Method and apparatus for random access in multicarrier wireless communications


Abstract

Methods and apparatus for random access in multicarrier wireless communications are disclosed. Methods and apparatus are provided for physical random access channel (PRACH) resource signaling, PRACH resource handling, preamble and PRACH resource selection, random access response (RAR) reception, preamble retransmission, and transmission and reception of subsequent messages. A method for maintaining an allowed multicarrier uplink (UL) random access channel (RACH) configuration set by adding an UL carrier to the allowed RACH configuration set provided that a triggering event occurs and performing a random access (RA) procedure using the allowed RACH configuration set. A method for sending data in multicarrier wireless communications by determining a set of available UL carriers and selecting an UL carrier from the set of available UL carriers.



Inventors:
Pelletier; Ghyslain (Montreal, CA), Terry; Stephen E. (Northport, NY), Marinier; Paul (Brossard, CA), Zhang; Guodong (Syosset, NY), Wang; Peter S. (E. Setauket, NY), Wang; Jin (Princeton, NJ), Somasundaram; Shankar (Sunnyvale, CA), Gauvreau; Jean-Louis (La Prairie, CA), Dennean; Charles A. (Melville, NY), Bala; Erdem (East Meadow, NY), Haghighat; Afshin (Ile-Bizard, CA)

Applicant:


Name

City

State

Country

Type


INTERDIGITAL PATENT HOLDINGS, INC.
Wilmington
DE
US


Assignee:
InterDigital Patent Holdings, Inc. (Wilmington, DE)


Family ID:
1000002803847

Appl. No.:
14/980,566

Filed:
December 28, 2015


Prior Publication Data






Document Identifier

Publication Date

US 20160150571 A1 May 26, 2016



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Filing Date

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Issue Date

14296773 Jun 5, 2014 9253802
12766677 Jul 1, 2014 8767585
61171917 Apr 23, 2009
61172076 Apr 23, 2009
61181811 May 28, 2009
61293366 Jan 8, 2010
61303937 Feb 12, 2010
61320405 Apr 2, 2010




Current U.S. Class: 1/1
Current CPC Class: H04W 74/0833 (20130101); H04W 72/042 (20130101); H04W 74/002 (20130101)
Current International Class: H04J 3/06 (20060101); H04W 74/08 (20090101); H04W 74/00 (20090101); H04W 72/04 (20090101)
Field of Search: ;370/329-331,203-210,345,349

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