Data loss control in a push to communicate network
First Claim
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1. A data retransmission method in a push to communicate (PTx) communications network for transmitting data from a transmitting mobile PTx terminal to a receiving PTx terminal, the method comprising:
- transmitting first data from the transmitting mobile PTx terminal to the receiving PTx terminal;
storing the first data in the transmitting mobile PTx terminal;
retransmitting from the transmitting mobile PTx terminal the first data in response to the receiving PTx terminal requesting retransmission of the first data; and
deleting the stored first data after the first data is successfully delivered to the receiving PTx terminal.
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Abstract
An audio data retransmission method in a push to communicate (PTx) terminal for transmitting data by pressing a PTx key is provided. The method comprises transmitting data using a transmitting PTx terminal; storing the data in a buffer; and retransmitting the data when receiver requests retransmission due to a loss in communications.
13 Citations
22 Claims
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1. A data retransmission method in a push to communicate (PTx) communications network for transmitting data from a transmitting mobile PTx terminal to a receiving PTx terminal, the method comprising:
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transmitting first data from the transmitting mobile PTx terminal to the receiving PTx terminal; storing the first data in the transmitting mobile PTx terminal; retransmitting from the transmitting mobile PTx terminal the first data in response to the receiving PTx terminal requesting retransmission of the first data; and deleting the stored first data after the first data is successfully delivered to the receiving PTx terminal. - View Dependent Claims (2, 3, 4, 5)
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6. An audio data retransmission method in a push to communicate (PTx) mobile terminal for transmitting audio data, the method comprising:
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setting an automatic audio retransmission function; storing audio data, to be transmitted to a receiver PTx terminal, in a buffer of the PTx mobile terminal; retransmitting by the PTx mobile terminal the audio data stored in the buffer, in response to the receiver PTx terminal requesting retransmission of the audio data; and deleting the stored audio data after the audio data is successfully delivered to the receiver PTx terminal. - View Dependent Claims (7, 8)
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9. A mobile terminal apparatus that supports a push to communicate (PTx) function, the apparatus comprising:
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a radio frequency unit adapted to communicate radio communication signals; a codec adapted to process audio inputs provided by a user via a PTx function; a memory adapted to store the processed audio inputs; and a microprocessor unit adapted to control said codec to forward the processed audio inputs to said memory for storage after the processed audio inputs are transmitted to another user via said radio frequency unit, the microprocessor unit further adapted to control said radio frequency unit, said codec, and said memory to re-transmit the processed audio inputs stored in said memory, if said another user requests re-transmission of the processed audio inputs due to a loss in transmission, wherein the processed audio inputs are temporarily stored in said memory until the user provides subsequent audio inputs via the PTx function. - View Dependent Claims (10, 11)
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12. A communication network configured for supporting a push to communicate (PTx) communication protocol, the communication network comprising a plurality of base stations in communication with a plurality of PTx terminals,
wherein a transmitting mobile PTx terminal requests a talk burst grant from a PTx server for transmitting audio data to a receiving PTx terminal, wherein the transmitting mobile PTx terminal stores the audio data in a storage medium of the transmitting mobile PTx terminal when the request for talk burst grant is submitted, so that if the receiving PTx terminal fails to receive the audio data, the stored audio data is retransmitted, and wherein the transmitting mobile PTx terminal deletes the stored audio data after the stored audio data is successfully delivered to the receiving PTx terminal.
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13. A data communication protocol for a push to communicate (PTx) mobile communications network comprising:
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detecting a floor grant for data communication between a transmitting mobile PTx terminal and a receiving PTx terminal; determining whether a failure has occurred in transmitting data to the receiving PTx terminal; transmitting from the receiving PTx terminal a request for retransmission of the data; storing the data at the transmitting mobile PTx terminal, upon the occurrence of the failure of the transmitting of the data; and deleting the stored data after the data is successfully delivered to the receiving PTx terminal. - View Dependent Claims (14, 15, 16, 17)
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18. A push to communicate mobile (PTx) terminal comprising:
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a transmitting unit for requesting a floor grant for data communication with a receiving PTx terminal; memory for storing data; and a processing unit configured to cause the transmitting unit to retransmit the data to the receiving PTx terminal responsive to a request for re-transmission received from the receiving PTx terminal, wherein the processing unit is further configured to cause the memory to delete the stored data after the data is successfully delivered to the receiving PTx terminal. - View Dependent Claims (19, 20, 21, 22)
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Specification