Power boosting in a wireless communication system
Method and apparatus for power boosting a portion of installments in transmission of a packet of data. The power boosting incorporates a power boost factor for each installment. On receipt of a negative acknowledgement after the power boosted portion of installments, transmission of the subpacket is terminated, and processing passed to a higher layer.
1. A method for transmission from a mobile station in a wireless communication system, wherein each data packet received is transmitted in a number of installments, the method comprising:
transmitting a first negative acknowledgement message for a last installment of a first subpacket, the first negative acknowledgement transmitted at a first time slot; and
transmitting a second negative acknowledgement message for the last installment of the first subpacket, the second negative acknowledgement transmitted at a second time slot,
wherein the second time slot is designated for the first subpacket of the next packet,
wherein the first negative acknowledgement message has a first bit pattern, and the second negative acknowledgement message has a second bit pattern orthogonal to the first bit pattern.
2. The method as in claim 1 , further comprising transmitting a third negative acknowledgement message for the first subpacket of the next packet, wherein the third negative acknowledgement message has a third bit pattern orthogonal to the second bit pattern.
3. The method as in claim 1 , wherein the first negative acknowledgement message and the second negative acknowledgement message are transmitted at a reduced power level relative to an acknowledgement message.
4. The method as in claim 1 , wherein the first negative acknowledgement message and the second negative acknowledgement message are transmitted at a same power level allocated to an acknowledgement message.
5. The method as in claim 1 , wherein an acknowledgement message is transmitted at the first time slot with little or no power.
6. An apparatus for transmission from a mobile station in a wireless communication system, wherein each data packet received is transmitted in a number of installments, the apparatus comprising:
means for transmitting a first negative acknowledgement message for a last installment of a first subpacket, the first negative acknowledgement transmitted at a first time slot; and
means for transmitting a second negative acknowledgement message for the last installment of the first subpacket, the second negative acknowledgement transmitted at a second time slot,
wherein the second time slot is designated for the first subpacket of the next packet,
wherein the first negative acknowledgement message has a first bit pattern, and the second negative acknowledgement message has a second bit pattern orthogonal to the first bit pattern.
7. The apparatus as in claim 6 , further comprising means for transmitting a third negative acknowledgement message for the first subpacket of the next packet, wherein the third negative acknowledgement message has a third bit pattern orthogonal to the second bit pattern.
8. The apparatus as in claim 6 , wherein the first negative acknowledgement message and the second negative acknowledgement message are transmitted at a reduced power level relative to an acknowledgement message.
9. The apparatus as in claim 6 , wherein the first negative acknowledgement message and the second negative acknowledgement message are transmitted at a same power level allocated to an acknowledgement message.
10. The apparatus as in claim 6 , wherein an acknowledgement message is transmitted at the first time slot with little or no power.
11. A computer-program product for transmission from a mobile station in a wireless communication system, the computer-program product comprising a non-transitory computer-readable medium having instructions thereon, the instructions comprising:
code for transmitting a first negative acknowledgement message for a last installment of a first subpacket, the first negative acknowledgement transmitted a first time slot; and
code for transmitting a second negative acknowledgement message for the last installment of the first subpacket, the second negative acknowledgement transmitted at a second time slot,
wherein the second time slot is designated for the first subpacket of the next packet,
wherein the first negative acknowledgement message has a first bit pattern, and the second negative acknowledgement message has a second bit pattern orthogonal to the first bit pattern.
12. The computer-program product as in claim 11 , the instructions further comprising code for transmitting a third negative acknowledgement message for the first subpacket of the next packet, wherein the third negative acknowledgement message has a third bit pattern orthogonal to the second bit pattern.
13. The computer-program product as in claim 11 , wherein the first negative acknowledgement message and the second negative acknowledgement message are transmitted at a reduced power level relative to an acknowledgement message.
14. The computer-program product as in claim 11 , wherein the first negative acknowledgement message and the second negative acknowledgement message are transmitted at a same power level allocated to an acknowledgement message.
15. The computer-program product as in claim 11 , wherein an acknowledgement message is transmitted at the first time slot with little or no power.
16. An apparatus for transmission from a mobile station in a wireless communication system, wherein each data packet received is transmitted in a number of installments, the apparatus comprising:
a transmitter for transmitting a first negative acknowledgement message for a last installment of a first subpacket, the first negative acknowledgement transmitted at a first time slot, and
for transmitting a second negative acknowledgement message for the last installment of the first subpacket, the second negative acknowledgement transmitted at a second time slot,
wherein the second time slot is designated for the first subpacket of the next packet,
wherein the first negative acknowledgement message has a first bit pattern, and the second negative acknowledgement message has a second bit pattern orthogonal to the first bit pattern.
17. The apparatus as in claim 16 , wherein the transmitter transmits a third negative acknowledgement message for the first subpacket of the next packet, wherein the third negative acknowledgement message has a third bit pattern orthogonal to the second bit pattern.
18. The apparatus as in claim 16 , wherein the first negative acknowledgement message and the second negative acknowledgement message are transmitted at a reduced power level relative to an acknowledgement message.
19. The apparatus as in claim 16 , wherein the first negative acknowledgement message and the second negative acknowledgement message are transmitted at a same power level allocated to an acknowledgement message.
20. The apparatus as in claim 16 , wherein an acknowledgement message is transmitted at the first time slot with little or no power.