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.
Patent No.:
Date of Patent:
Nov. 05, 2013
Filed:
Jan. 08, 2008
Hongchao Deng, Beijing, CN;
Jingdong Lin, Irvine, CA (US);
Hongchao Deng, Beijing, CN;
Jingdong Lin, Irvine, CA (US);
Spreadtrum Communications (Shanghai) Co., Ltd., Shanghai, CN;
Abstract
A collision avoidance method for subscribers to fight for a right to speak of a multi-party conversation in a digital intercommunication system includes: sending a frame of instructions from the transmitting subscriber to the receiving subscribers for declaring a beginning of a fight for phase; in a subset of frame moments during the fight-for phase, sending maintenance information by the transmitting subscriber to the receiving subscribers; in another subset of the frame moments during the fight-for phase, broadcasting a request for the right to speak by the receiving subscribers intending to obtain the right to speak in turn, the fight-for phase not closing until at least one of the receiving subscribers sends out a request message; hearing the request message, ceasing fighting for the right to speak by the other receiving subscribers; and the receiving subscriber obtaining the right to speak as a new transmitting subscriber and beginning to speak.