Apparatus for integrated sensing and communication

Abstract

An apparatus for a network transmitting and receiving an indication for a hybrid modulation and coding scheme (MCS) S303 being used to encode data using two modulation schemes including a first scheme

Claims

1. Apparatus for a network comprising:at least processor; andat least one memory storing instructions that, when executed by the at least one processor, cause the apparatus to at least:transmit, from a network, an indication for a hybrid Modulation and Coding Scheme, MCS, being one used to encode data using two modulation schemes including a first scheme and a second scheme, wherein at least one of the following applies:at least the second scheme has been selected to satisfy sensing link performance requirements, andboth first and second schemes are used to encode symbols in the same code block; andtransmit, from the network, data encoded with the hybrid MCS.

2. Apparatus according to claim 1, further caused to:receive sensing link performance requirements from a core network function, andselect the second scheme to satisfy the sensing link performance requirements.

3. Apparatus according to claim 1 or 2, further caused to:determine at least the first scheme based on Channel State Information, CSI.

4. Apparatus for User Equipment, UE, or a sensing receiver, SRX, comprising:at least processor; andat least one memory storing instructions that, when executed by the at least one processor, cause the apparatus to at least:receive, from a network, an indication for a hybrid MCS, being one used to encode data using two modulation schemes including a first scheme and a second scheme, wherein at least one of the following applies:at least the second scheme has been selected to satisfy sensing link performance requirements; andboth first and second schemes are used to encode symbols in the same code block; andreceive data encoded with the hybrid MCS; andperform decoding of the received signal encoded with the hybrid MCS.

5. Apparatus according to claim 4, for UE, wherein the indication is received as part of a Downlink Control Information, DCI, or in a Medium Access Control, MAC, Control Element, CE.

6. Apparatus according to claim 4, for a SRX, wherein the apparatus is further caused to: determine from the received signal the presence of a least one object based on the received signal.

7. Apparatus according to any preceding claim, wherein the second scheme has at least one of alower modulation order and a lower coding rate than the first scheme.

8. Apparatus according to any preceding claim, wherein the indication includes look up table parameters for the first and second schemes of the hybrid MCS.

9. Apparatus according to any of claims 1-7, wherein the indication includes:a look up table parameter for the first scheme of the hybrid MCS, andat least one of a symbol and a subcarrier related parameter which define particular symbols to be encoded using the second scheme as exceptions to the first scheme.

10. Apparatus according to claim 9, wherein the at least one of a symbol and a subcarrier related parameter provide for a uniform distribution of symbols encoding using the second scheme in the time and / or frequency domain.

11. Apparatus according to claim 9 or 10, wherein the at least one of a symbol and a subcarrier related parameter include at least one of:at least one of a modulation order and a coding rate;parameters defining a starting reference symbol and the spacing to the successive symbols from the reference symbol;parameters defining a starting reference subcarrier and the spacing to the successive carriers from the reference subcarrier;a parameter defining a total number of at least one of symbols and subcarriers; anda look up parameter defining an interleaving scheme.

12. Apparatus for a network function comprising: at least processor; andat least one memory storing instructions that, when executed by the at least one processor, cause the apparatus to at least:receive at a core network function from a sensing receiver an indication of a signal decoding capability;select an interleaving rule based on the signal decoding capability; andtransmit to a network element an indication of the interleaving rule.

13. Apparatus according to claim 12, further caused to:transmit to the sensing receiver a request to provide an indication of a signal decoding capability.

14. Apparatus according to claim 12 or 13, wherein the core network function is at least one of a location management function, LMF, or a Sensing Management Function, SeMF.

15. Apparatus according to any of claims 12 to 14, wherein the interleaving rule is selected for a hybrid MCS, being one used to encode data using at least two modulation schemes including a first scheme and a second scheme with at least one of a lower modulation order and a lower coding rate than the first scheme, whereby symbols encoded with the second scheme have greater error resistance that those of the first scheme.

16. Apparatus according to any of claim 12 to 15, wherein the interleaving rule prescribes, for compatibility with the signal decoding capability at least one of a specific channel code, a specific code type, a specific code length and specific code rate.

17. Apparatus for a sensing receiver comprising:at least processor; andat least one memory storing instructions that, when executed by the at least one processor, cause the apparatus to at least:transmit to a network an indication of a signal decoding capability;receive from a network an indication of a selected interleaving rule;receive a signal encoded with a MCS using the selected interleaving rule;decode the received signal using the received indication of the selected interleaving rule; anddetermine from the received signal the presence of at least one object based on the received signal.

18. Apparatus according to claim 17, further caused to:receive from a network a request to provide signal decoding capability, wherein the transmission to the network of the indication of a signal decoding capability is done pursuant to the request.

19. Apparatus for UE comprising:at least processor; andat least one memory storing instructions that, when executed by the at least one processor, cause the apparatus to at least:receive from a network an indication of a interleaving rule selected based on the signal decoding capability of an external sensing receiver;receive a signal encoded with a MCS using an interleaving rule; anddecode the received signal using the received indication of the selected interleaving rule.

20. Apparatus for a network comprising:at least processor; andat least one memory storing instructions that, when executed by the at least one processor, cause the apparatus to at least:receive from a core network function an indication of a interleaving rule selected based on the signal decoding capability of an external sensing receiver;transmit an indication of the selected interleaving rule to at least one external UE and at least one sensing receiver; andtransmit data encoded with a MCS using the interleaving rule.

21. Apparatus according to any of claims 17 to 20, wherein the MCS is a hybrid MCS, being one used to encode data using at least two modulation schemes including a first scheme and a second scheme with at least one of a lower modulation order and a lower coding rate than the first scheme, and wherein the interleaving rule provides symbols encoded with the second scheme with greater error resistance that those of the first scheme.

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