Determining latency in a wireless communications system

A method of acquiring latency information within a wireless communications network, comprising:

• receiving a message from a given access terminal to initiate a Push-to-Talk (PTT) session;
• forwarding an announce message to announce the PTT session to a plurality of access terminals;
• receiving at least one acknowledgment to the announce message that indicates an acceptance of the PTT session by at least one of the plurality of access terminals;
• sending a message granting the given access terminal permission to begin the PTT session;
• and
• receiving, from the given access terminal, PTT latency information related to an initial PTT latency of the PTT session at the given access terminal.

An access terminal within a wireless communications network, comprising:

• means for detecting a request to initiate a Push-to-Talk (PTT) session;
• means for storing first time information indicative of when the means for detecting detects the request to initiate the PTT session;
• means for receiving permission to begin the PTT session;
• means for storing second time information indicative of when the means for receiving receives the permission;
• and
• means for sending, from the access terminal, PTT latency information based on the first and second time information, the PTT latency information related to an initial PTT latency of the PTT session.

An access network within a wireless communications network, comprising:

• means for receiving a message from a given access terminal to initiate a Push-to-Talk (PTT) session;
• means for forwarding an announce message to announce the PTT session to a plurality of access terminals;
• means for receiving at least one acknowledgment to the announce message that indicates an acceptance of the PTT session by at least one of the plurality of access terminals;
• means for sending a message granting the given access terminal permission to begin the PTT session;
• and
• means for receiving, from the given access terminal, PTT latency information related to an initial PTT latency of the PTT session at the given access terminal.

An access terminal within a wireless communications network, comprising:

• logic configured to detect a request to initiate a Push-to-Talk (PTT) session;
• logic configured to store first time information indicative of when the logic configured to detect detects the request to initiate the PTT session;
• logic configured to receive permission to begin the PTT session;
• logic configured to store second time information indicative of when the logic configured to receive receives the permission;
• and
• logic configured to send, from the access terminal, PTT latency information based on the first and second time information, the PTT latency information related to an initial PTT latency of the PTT session.

An access network within a wireless communications network, comprising:

• logic configured to receive a message from a given access terminal to initiate a Push-to-Talk (PTT) session;
• logic configured to forward an announce message to announce the PTT session to a plurality of access terminals;
• logic configured to receive at least one acknowledgment to the announce message that indicates an acceptance of the PTT session by at least one of the plurality of access terminals;
• logic configured to send a message granting the given access terminal permission to begin the PTT session;
• and
• logic configured to receive, from the given access terminal, PTT latency information related to an initial PTT latency of the PTT session at the given access terminal.

A computer-readable medium comprising instructions, which, when executed by an access terminal within a wireless communications network, cause the access terminal to perform operations, the instructions comprising:

• program code to detect a request to initiate a Push-to-Talk (PTT) session;
• program code to store first time information indicative of when program code to detect detects the request to initiate the PTT session;
• program code to receive permission to begin the PTT session;
• program code to store second time information indicative of when the program code to receive receives the permission;
• and
• program code to send, from the access terminal, PTT latency information based on the first and second time information, the PTT latency information related to an initial PTT latency of the PTT session.

A computer-readable medium comprising instructions, which, when executed by an access network within a wireless communications network, cause the access terminal to perform operations, the instructions comprising:

• program code to receive a message from a given access terminal to initiate a Push-to-Talk (PTT) session;
• program code to forward an announce message to announce the PTT session to a plurality of access terminals;
• program code to receive at least one acknowledgment to the announce message that indicates an acceptance of the PTT session by at least one of the plurality of access terminals;
• program code to send a message granting the given access terminal permission to begin the PTT session;
• and
• program code to receive, from the given access terminal, PTT latency information related to an initial PTT latency of the PTT session at the given access terminal.