Fractional HARQ re-transmission
View Patent ↗Methods and apparatus are described for determining, via a Hybrid Automatic Repeat Request (HARQ) module, that a maximum number of retransmissions has been reached for a HARQ packet. The HARQ module may communicate an internal NACK to a message retransmission module indicating a transmission failure. The message retransmission module may retransmit at least a part of the message. The retransmission may be performed prior to the expiration of a timer.
1. A method of a transmission of a packet, the method comprising:
creating a packet data unit (PDU) based on the packet;
transmitting a hybrid automatic repeat-request (HARQ) packet, the HARQ packet based on the PDU;
storing a fractional HARQ packet based on the PDU;
transmitting the fractional HARQ packet;
receiving a negative acknowledgement (NACK) message;
after the receiving the NACK message, determining whether a retransmission count has reached a maximum value;
transmitting the fractional HARQ packet in response to the received NACK message on a condition that the retransmission count is below the maximum value; and
not transmitting the fractional HARQ packet in response to the received NACK message on a condition that the retransmission count is equal to or above the maximum value.
2. The method of claim 1 , further comprising incrementing the retransmission count as a function of a size of the fractional HARQ packet.
3. The method of claim 1 , wherein creating the PDU based on the packet comprises creating a series of PDUs based on the packet.
4. The method of claim 1 , wherein the PDU is a first PDU, and wherein the HARQ packet comprises the first PDU and a second PDU.
5. A client station comprising:
a processor configured to create a packet data unit (PDU) based on a packet;
a memory configured to store a fractional HARQ packet based on the PDU; and
a transceiver module configured to:
transmit a hybrid automatic repeat-request (HARQ) packet, the HARQ packet based on the PDU;
transmit the fractional HARQ packet;
receive a negative acknowledgement (NACK) message;
determine, after the NACK message is received, whether a retransmission count has reached a maximum value;
transmit the fractional HARQ packet in response to the received NACK message on a condition that the retransmission count is below the maximum value; and
not transmit the fractional HARQ packet in response to the received NACK message on a condition that the retransmission count is equal to or above the maximum value.
6. The client station of claim 5 , wherein the processor is further configured to increment the retransmission count as a function of a size of the fractional HARQ packet.
7. The client station of claim 5 , wherein the processor is further configured to create the PDU by creating a series of PDUs based on the packet.
8. The client station of claim 5 , wherein the PDU is a first PDU, and wherein the HARQ packet comprises the first PDU and a second PDU.
9. A non-transitory computer-readable storage medium containing a set of instructions for transmission of a packet, the set of instructions for execution by one or more processors, the set of instructions comprising:
a first code segment for creating a packet data unit (PDU) based on the packet;
a second code segment for transmitting a hybrid automatic repeat-request (HARQ) packet, the HARQ packet based on the PDU;
a third code segment for storing a fractional HARQ packet based on the PDU; and
a fourth code segment for transmitting the fractional HARQ packet;
a fifth code segment for receiving a negative acknowledgement (NACK) message; and
a sixth code segment for determining, after the NACK message is received, whether a retransmission count has reached a maximum value;
wherein the fourth code segment further includes instructions for transmitting the fractional HARQ packet in response to the received NACK message on a condition that the retransmission count is below the maximum value, and further includes instructions for not transmitting the fractional HARQ packet in response to the received NACK message on a condition that the retransmission count is equal to or above the maximum value.
10. The non-transitory computer-readable storage medium of claim 9 , the set of instructions further comprising a seventh code segment for incrementing the retransmission count as a function of a size of the fractional HARQ packet.
11. The non-transitory computer-readable storage medium of claim 9 , wherein the creating the PDU based on the packet comprises creating a series of PDUs based on the packet.
12. The non-transitory computer-readable storage medium of claim 9 , wherein the PDU is a first PDU, and wherein the HARQ packet comprises the first PDU and a second PDU.