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:
Oct. 29, 2019

Filed:

Oct. 24, 2017
Applicant:

Tata Consultancy Services Limited, Mumbai, IN;

Inventors:

Samar Shailendra, Bengaluru, IN;

Aniruddh Rao Kabbinale, Bengaluru, IN;

Bighnaraj Panigrahi, Bengaluru, IN;

Hemant Kumar Rath, Bengaluru, IN;

Anantha Simha, Bengaluru, IN;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04W 74/08 (2009.01); H04W 52/48 (2009.01); H04W 52/50 (2009.01); H04W 72/04 (2009.01); H04W 52/32 (2009.01); H04W 88/08 (2009.01);
U.S. Cl.
CPC ...
H04W 74/0833 (2013.01); H04W 52/32 (2013.01); H04W 52/48 (2013.01); H04W 52/50 (2013.01); H04W 72/0446 (2013.01); H04W 88/08 (2013.01);
Abstract

In LTE Random Access Channel (RACH) mechanism, devices use slotted ALOHA based protocol for RACH message exchange. During these messages exchange, if a device does not get a response from a base-station (BS), the device assumes that it is not able to reach base station due to insufficient transmission power and increases transmit power to reach to the base station. However, at higher density most of requests are lost due to collision. In existing RACH procedure, device unnecessarily ramps power in next RACH process which leads to power wastage in already resource constrained device. When there is failure of reception of RACH process, the present disclosure computes time delays (TD) based on a RSSI value obtained from a message transmitted by the BS, and initiates RACH process accordingly. The embodiments further enable requests transmission from device to BS by ramping power of the devices based on the computed TD.


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