256 quadrature amplitude modulation user equipment category handling
According to some embodiments, a method in a wireless network element of transmitting a transport block comprises determining a modulation coding scheme for a transmission of the transport block; determining a category type of a wireless device that will transmit or receive the transport block; determining, using the category type of the wireless device, an encoding soft buffer size (N IR ) for the transport block; adjusting, using the modulation coding scheme. the encoding soft buffer size (N IR ) by a factor (K H ); encoding the transport block according to the determined modulation coding scheme and the adjusted encoding soft buffer size; and transmitting the transport block. In particular embodiments, the determined modulation coding scheme is 256 Quadrature Amplitude Modulation (256 QAM) and the factor (K H ) is 4/3.
1. A method in a wireless network element of transmitting a transport block, the method comprising:
determining a modulation coding scheme for a transmission of the transport block;
determining a category type of a wireless device that will transmit or receive the transport block;
determining, using the category type of the wireless device, an encoding soft buffer size (N IR ) for the transport block;
adjusting the encoding soft buffer size (N IR ) by a factor (K H ) if the wireless device is configured to support 256 Quadrature Amplitude Modulation (256 QAM) or a higher order modulation scheme;
encoding the transport block according to the determined modulation coding scheme and the adjusted encoding soft buffer size; and
transmitting the transport block.
2. The method of claim 1 , wherein the factor (K H ) is a ratio of bits per symbol of a 256 QAM or higher order modulation coding scheme and a 64 Quadrature Amplitude Modulation (64 QAM) modulation coding scheme.
3. The method of claim 1 , wherein the determined modulation coding scheme is 256 QAM and the factor (K H ) is 4/3.
4. The method of claim 1 , wherein the determined modulation coding scheme is 1024 Quadrature Amplitude Modulation (1024 QAM) and the factor (K H ) is 5/3.
5. The method of claim 1 , wherein the determined modulation coding scheme is 256 QAM and the factor (K H ) is 1.
6. The method of claim 1 , wherein the wireless network element is a network node.
7. The method of claim 1 , wherein the wireless network element is a wireless device.
8. A wireless network element comprising a processor operable to:
determine a modulation coding scheme for a transmission of a transport block;
determine a category type of a wireless device that will transmit or receive the transport block;
determine, using the category type of the wireless device, an encoding soft buffer size (N IR ) for the transport block;
adjust the encoding soft buffer size (N IR ) by a factor (K H ) if the wireless device is configured to support 256 Quadrature Amplitude Modulation (256 QAM) or a higher order modulation scheme;
encode the transport block according to the determined modulation coding scheme and the adjusted encoding soft buffer size; and
transmit the transport block.
9. The wireless network element of claim 8 , wherein the factor (K H ) is a ratio of bits per symbol of a 256 QAM or higher order modulation coding scheme and a 64 Quadrature Amplitude Modulation (64 QAM) modulation coding scheme.
10. The wireless network element of claim 8 , wherein the deteiniined modulation coding scheme is 256 QAM and the factor (K H ) is 4/3.
11. The wireless network element of claim 8 , wherein the deteiinined modulation coding scheme is 1024 Quadrature Amplitude Modulation (1024 QAM) and the factor (K H ) is 5/3.
12. The wireless network element of claim 8 , wherein the determined modulation coding scheme is 256 QAM and the factor (K H ) is 1.
13. The wireless network element of claim 8 , wherein the wireless network element is a network node.
14. The wireless network element of claim 8 , wherein the wireless network element is a wireless device.
15. A non-transitory computer-readable storage medium comprising computer-readable code, the computer-readable code configured to:
determine a modulation coding scheme for a transmission of a transport block;
determine a category type of a wireless device that will transmit or receive the transport block;
determine, using the category type of the wireless device, an encoding soft buffer size (N IR ) for the transport block;
adjust the encoding soft buffer size (N IR ) by a factor (K H ) if the wireless device is configured to support 256 Quadrature Amplitude Modulation (256 QAM) or a higher order modulation scheme;
encode the transport block according to the determined modulation coding scheme and the adjusted encoding soft buffer size; and
transmit the transport block to a wireless network element.
16. The medium of claim 15 , wherein the factor (K H ) is a ratio of bits per symbol of a 256 QAM or higher order modulation coding scheme and a 64 Quadrature Amplitude Modulation (64 QAM) modulation coding scheme.
17. The medium of claim 15 , wherein the determined modulation coding scheme is 256 QAM and the factor (K H ) is 4/3.
18. The medium of claim 15 , wherein the determined modulation coding scheme is 1024 Quadrature Amplitude Modulation (1024 QAM) and the factor (K H ) is 5/3.
19. The medium of claim 15 , wherein the detelinined modulation coding scheme is 256 QAM and the factor (K H ) is 1.
20. The medium of claim 15 wherein the wireless network element is a network node.
21. The medium of claim 15 , wherein the wireless network element is a wireless device.