Invention Grant
- Patent Title: Method and apparatus for enhancing coverage of machine type communication (MTC) devices
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Application No.: US14046173Application Date: 2013-10-04
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Publication No.: US10142962B2Publication Date: 2018-11-27
- Inventor: Moon-il Lee , Janet A. Stern-Berkowitz , Nobuyuki Tamaki , John W. Haim , Pouriya Sadeghi , Marian Rudolf , Shahrokh Nayeb Nazar
- Applicant: INTERDIGITAL PATENT HOLDINGS, INC.
- Applicant Address: US DE Wilmington
- Assignee: InterDigital Patent Holdings, Inc.
- Current Assignee: InterDigital Patent Holdings, Inc.
- Current Assignee Address: US DE Wilmington
- Agency: Volpe and Koenig, P.C.
- Main IPC: H04W4/00
- IPC: H04W4/00 ; H04W72/00 ; H04W74/08 ; H04W74/00 ; H04B17/318 ; H04L1/18 ; H04W4/70 ; H04W48/12 ; H04W4/02 ; H04W4/06

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.
Public/Granted literature
- US20140098761A1 METHOD AND APPARATUS FOR ENHANCING COVERAGE OF MACHINE TYPE COMMUNICATION (MTC) DEVICES Public/Granted day:2014-04-10
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