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Packet Retransmission Optimization In Wireless Network

Abstract: ABSTRACT OF THE DISCLOSURE Embodiments of the present disclosure set forth methods for determining a probability of retransmitting a packet in a time slot for a source node in a wireless network. Some example methods include determining whether transmission of the packet in the time slot is successful, measuring a number of time slots accumulated since a most recent successful transmission of the packet by the source node, and determining a first value of the probability based on a second value associated with the number of time slots accumulated.

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Notices, Deadlines & Correspondence

Patent Information

Application #
Filing Date
26 May 2009
Publication Number
36/2012
Publication Type
INA
Invention Field
COMMUNICATION
Status
Email
Parent Application

Applicants

Indian Institute of Science
Bangalore - 560012  Karnataka  India

Inventors

1. Shalabh Bhatnagar
Apt.1  Sri Guru Manor Apartments  2nd cross  1st Main Road  A/J Layout  Sanjay Nagar  Bangalore 560094  Karnataka  INDIA.

Specification

BACKGROUND OF THE DISCLOSURE
[0001] A wireless network may include a plurality of nodes, including a source node configured to transmit a packet and a destination node configured to receive the packet. After having successfully received the packet, the destination node may acknowledge the reception by sending a confirmation of receipt to the source node. In some circumstances, when two or more packets are transmitted in the same time slot by different source nodes, the transmission of the packets may be unsuccessful. To establish whether such unsuccessful transmission occurs, the source node waits to receive the confirmation of receipt from the destination node for a period of time. If no confirmation is received within this period of time, the source node may deem the transmission to be unsuccessful and initiate the retransmission of the packet in a successive time slot with a certain probability, which sometimes is referred to as a retransmission probability. There are existing approaches that attempt to assign the retransmission probability to one or more source nodes in a wireless network, but these approaches are faced with challenges introduced by the various traffic characteristics on the source nodes.

Documents

Application Documents

# Name Date
1 1217-CHE-2009 CORRESPONDENCE OTHERS 20-07-2012.pdf 2012-07-20
1 1217-CHE-2009 FORM-26-14-08-2009.pdf 2009-08-14
2 1217-CHE-2009 CORRSPONDENCE OTHERS-14-08-2009.pdf 2009-08-14
2 1217-CHE-2009 FORM-1 20-07-2012.pdf 2012-07-20
3 1217-che-2009 form-3 17-05-2010.pdf 2010-05-17
3 1217-CHE-2009 FORM-13 20-07-2012.pdf 2012-07-20
4 1217-che-2009 form 3 15-07-2010.pdf 2010-07-15
4 1217-CHE-2009 CORRESPONDENCE OTHERS 12-06-20120.pdf 2012-06-12
5 Form-5.pdf 2011-09-03
5 1217-CHE-2009 CORRESPONDENCE OTHERS 18-04-2012.pdf 2012-04-18
6 Form-3.pdf 2011-09-03
6 Drawings.pdf 2011-09-03
7 Form-1.pdf 2011-09-03
8 Form-3.pdf 2011-09-03
8 Drawings.pdf 2011-09-03
9 Form-5.pdf 2011-09-03
9 1217-CHE-2009 CORRESPONDENCE OTHERS 18-04-2012.pdf 2012-04-18
10 1217-che-2009 form 3 15-07-2010.pdf 2010-07-15
10 1217-CHE-2009 CORRESPONDENCE OTHERS 12-06-20120.pdf 2012-06-12
11 1217-CHE-2009 FORM-13 20-07-2012.pdf 2012-07-20
11 1217-che-2009 form-3 17-05-2010.pdf 2010-05-17
12 1217-CHE-2009 CORRSPONDENCE OTHERS-14-08-2009.pdf 2009-08-14
12 1217-CHE-2009 FORM-1 20-07-2012.pdf 2012-07-20
13 1217-CHE-2009 FORM-26-14-08-2009.pdf 2009-08-14
13 1217-CHE-2009 CORRESPONDENCE OTHERS 20-07-2012.pdf 2012-07-20