CA2563029C

2G

Title

A METHOD 0F UPLINK PREEMPTING BY USERS IN A TRUNKING GROUP

Application Number:

CA20052563029

Publication Date:

26-06-2012

Current Assignee:

Family ID:

Application Date:

31-03-2005

Declaring Company:

Publication Country:

US

Priority Date:

02-04-2004

Title

A METHOD 0F UPLINK PREEMPTING BY USERS IN A TRUNKING GROUP

Application Number:

CA20052563029

Family ID:

Publication Country:

US

Publication Date:

26-06-2012

Application Date:

31-03-2005

Priority Date:

02-04-2004

Current Assignee:

Declaring Company:

Abstract  Abstract

The present invention discloses a method of uplink preemption for users in the trunking group wherein a group call uplink channel and a group call downlink channel are allocated for the group call trunking group by a network-side trunking system when a group call of the trunking group is set up different priorities are set for different users in the trunking group and a dedicated uplink channel is allocated for a speaker in the trunking group to speak the method comprises: receiving by the network-side trunking system an UPLINK ACCESS message which is initiated by a group call user desiring to speak and is sent on the allocated group call uplink channel; allocating by the network-side trunking system a free uplink channel to the user who initiates the UPLINK ACCESS message as the users dedicated uplink channel; releasing by the network-side trunking system the dedicated channel allocated for the speaker and taking by the network-side trunking system the speaker as a listener listening on the group call downlink channel allocated for the trunking group; wherein the user who initiates the UPLINK ACCESS message speaks on the dedicated channel as the current speaker.

Note:

The information in blue was extracted from the third parties (Standard Setting Organisation, Espacenet)

The information in grey was provided by the patent holder

The information in purple was extracted from the FrandAvenue

Explicitly disclosed patent:openly and comprehensibly describes all details of the invention in the patent document.

Implicitly disclosed patent:does not explicitly state certain aspects of the invention, but still allows for these to be inferred from the information provided.

Basis patent:The core patent in a family, outlining the fundamental invention from which related patents or applications originate.

Family member:related patents or applications that share a common priority or original filing.