Tuesday, November 27, 2018 10:28:04 AM
Lee , et al. November 27, 2018
Method and apparatus for enhancing coverage of machine type communication (MTC) devices
Abstract
A method and apparatus are described for a low cost machine-type-communication (LC-MTC) wireless transmit/receive unit (WTRU) to enhance coverage. An example method for physical broadcast channel (PBCH) enhancement includes receiving system information on an enhanced PBCH (ePBCH). The ePBCH is located in a set of radio frames which is a subset of available radio frames, where the subset includes fewer than all the available radio frames. The ePBCH is received in at least one radio frame of the set of radio frames. An example method for physical random access channel (PRACH) enhancement includes receiving configuration of legacy PRACH resources and enhanced PRACH (ePRACH) resources. The WTRU selects one of legacy PRACH resources or ePRACH resources based on a coverage capability. Another example method for PRACH enhancement includes receiving configuration of ePRACH resources. The ePRACH resources include multiple ePRACH resource types, each ePRACH resource type being associated with a coverage capability.
Inventors:
Lee; Moon-il (Farmingdale, NY), Stern-Berkowitz; Janet A. (Little Neck, NY), Tamaki; Nobuyuki (Melville, NY), Haim; John W. (Baldwin, NY), Sadeghi; Pouriya (Verdun, CA), Rudolf; Marian (Montreal, CA), Nazar; Shahrokh Nayeb (Montreal, CA)
Applicant:
Name
City
State
Country
Type
INTERDIGITAL PATENT HOLDINGS, INC.
Wilmington
DE
US
Assignee:
InterDigital Patent Holdings, Inc. (Wilmington, DE)
Family ID:
1000003677500
Appl. No.:
14/046,173
Filed:
October 4, 2013
Prior Publication Data
Document Identifier
Publication Date
US 20140098761 A1 Apr 10, 2014
Related U.S. Patent Documents
Application Number
Filing Date
Patent Number
Issue Date
61863223 Aug 7, 2013
61807945 Apr 3, 2013
61753263 Jan 16, 2013
61710315 Oct 5, 2012
Current U.S. Class: 1/1
Current CPC Class: H04W 72/005 (20130101); H04B 17/318 (20150115); H04L 1/189 (20130101); H04L 1/1819 (20130101); H04W 4/70 (20180201); H04W 74/006 (20130101); H04W 74/0833 (20130101); H04W 4/02 (20130101); H04W 4/027 (20130101); H04W 4/06 (20130101); H04W 48/12 (20130101)
Current International Class: H04W 4/00 (20180101); H04W 74/08 (20090101); H04W 72/00 (20090101); H04W 74/00 (20090101); H04W 4/70 (20180101); H04L 1/18 (20060101); H04B 17/318 (20150101); H04W 48/12 (20090101); H04W 4/06 (20090101); H04W 4/02 (20180101)
PPP
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