Transport block mapping across slots
A system and a method are disclosed relating to a transport block processing chain for a transmitter. A code block determination circuit may be configured to determine a size of a code block that maps across multiple slots of a wireless physical shared channel according to a Transport Block over Multiple Slots (TBoMS) configuration, and a rate matching circuit may be configured to rate match bits of the code block to a number of bits available in a transport block that spans the predetermined number of slots of the wireless physical shared channel. Additionally, an interleaver may be configured to interleave a continuous output of the rate matching circuit on a slot basis so that a code block that crosses a slot boundary between a first slot and a second slot is interleaved within the first slot and the second slot.
1 . A transport block processing chain circuitry for a transmitter, comprising:
a code block determination circuit configured to determine a size of a code block that maps across multiple slots of a wireless physical shared channel according to a Transport Block over Multiple Slots (TBoMS) configuration, wherein the TBoMS configuration includes a parameter that sets an upper limit on a transport block size of a transport block; and
a rate matching circuit configured to rate match bits of the code block to a number of bits available in the transport block that spans the multiple slots of the wireless physical shared channel.
2 . The transport block processing chain circuitry of claim 1 , wherein the multiple slots of the wireless physical shared channel according to the TBoMS configuration are based, at least in part, on a legacy maximum transport block size (TBS).
3 . The transport block processing chain circuitry of claim 1 , wherein the multiple slots of the wireless physical shared channel according to the TBoMS configuration are based, at least in part, on a predetermined number of code blocks.
4 . The transport block processing chain circuitry of claim 3 , wherein the predetermined number of code blocks is based, at least in part, on a legacy maximum number of code blocks.
5 . The transport block processing chain circuitry of claim 1 , wherein the multiple slots of the wireless physical shared channel according to the TBoMS configuration are based, at least in part, on a maximum transport block size (TBS) set forth in a standards document.
6 . The transport block processing chain circuitry of claim 1 , further comprising an interleaver configured to interleave a continuous output of the rate matching circuit on a slot basis so that a code block that crosses a slot boundary between a first slot and a second slot is interleaved within the first slot and the second slot.
7 . A transport block processing chain circuitry for a transmitter, comprising:
a code block determination circuit configured to determine a size of a code block that maps across at least one slot boundary of a slot of a wireless physical shared channel according to a Transport Block over Multiple Slots (TBoMS) configuration, wherein the TBoMS configuration includes a parameter that sets an upper limit on a transport block size of a transport block;
a rate matching circuit configured to rate match bits of the code block to a number of bits available in the transport block that spans one or more slots of the wireless physical shared channel; and
an interleaver configured to interleave a continuous output of the rate matching circuit on a slot basis so that a code block that crosses a slot boundary between a first slot and a second slot is interleaved within the first slot and the second slot.
8 . The transport block processing chain circuitry of claim 7 , wherein the code block that crosses the slot boundary between the first slot and the second slot is segmented with a redundancy version corresponding to the second slot,
wherein an output of the rate matching circuit is constrained to a predetermined number of slots, and
wherein the interleaver is further configured to interleave the output of the rate matching circuit across the predetermined number of slots.
9 . The transport block processing chain circuitry of claim 8 , wherein the code block determination circuit is further configured to determine the size of a code block that maps across multiple slots of the wireless physical shared channel according to a Transport Block over Multiple Slots (TBoMS) configuration, and
wherein the rate of the rate matching circuit is further configured to match bits of the code block to the number of bits available in the transport block that spans the multiple slots of the wireless physical shared channel.
10 . The transport block processing chain circuitry of claim 8 , wherein the one or more slots of the wireless physical shared channel of the TBoMS configuration are based, at least in part, on a predetermined number of code blocks, a maximum transport block size (TBS) set forth in a standards document, or a combination thereof.
11 . A method for processing data to be mapped into a transport block, the method comprising:
determining, by a code block determination circuit, a size of a code block of data that maps across multiple slots of a wireless physical shared channel according to a Transport Block of Multiple Slots (TBoMS) configuration, wherein the TBoMS configuration includes a parameter that sets an upper limit on a transport block size of a transport block; and
rate matching, by a rate matching circuit, bits of a code block to a number of bits available in the transport block that spans the multiple slots of the wireless physical shared channel.
12 . The method of claim 11 , wherein the multiple slots of the wireless physical shared channel according to the TBoMS configuration are based, at least in part, on a legacy maximum transport block size (TBS).
13 . The method of claim 11 , wherein the multiple slots of the wireless physical shared channel according to the TBoMS configuration are based, at least in part, on a predetermined number of code blocks.
14 . The method of claim 13 , wherein the predetermined number of code blocks is based, at least in part, on a legacy maximum number of code blocks.
15 . The method of claim 11 , wherein the multiple slots of the wireless physical shared channel according to the TBoMS configuration are based, at least in part, on a maximum transport block size (TBS) set forth in a standards document.
16 . The method of claim 11 , further comprising interleaving, by an interleaver, a continuous output of the rate matching circuit on a slot basis so that a code block that crosses a slot boundary between a first slot and a second slot is interleaved within the first slot and the second slot.