Configuring a sensing reference signal

1. A method of a first device, the method comprising:

receiving configuration information from a second device, wherein the configuration information comprises:

a set of sensing reference signal sequence generation parameters;

a set of sensing reference signal resource pattern parameters, wherein a pattern corresponding to the set of sensing reference signal resource pattern parameters comprises time domain locations of symbols within a sensing reference signal, frequency domain locations of resource elements within the sensing reference signal, or a combination thereof; and

information indicating to map a generated sequence based on the pattern on at least one antenna to create a sensing reference signal pattern;

generating a sensing reference signal; and

transmitting the sensing reference signal according to the configuration information, receiving the sensing reference signal according to the configuration information, or a combination thereof.

2. The method of claim 1 , wherein a frequency domain resource pattern of the pattern comprises:

a parameter defining a frequency block;

a parameter defining a first resource element location belonging to the sensing reference signal within a bandwidth part;

a parameter defining the first resource element location belonging to the sensing reference signal within a resource block or within a defined frequency block;

a parameter defining a first resource block or frequency block including a sensing reference signal element;

a parameter defining a number of resource elements belonging to the sensing reference signal;

a parameter defining a bandwidth in which the sensing reference signal is present along a frequency axis;

a parameter defining a number of resource blocks, or a number of frequency blocks that contain at least one element of the sensing reference signal;

a parameter defining a number of resource elements belonging to the sensing reference signal within a resource block, or a frequency block;

a parameter defining a distance between two consecutive sensing reference signal resource elements along a frequency domain within a resource block, or a frequency block;

a parameter defining a distance between two consecutive resource blocks, or frequency blocks belonging to the sensing reference signal;

or some combination thereof.

3. The method of claim 2 , wherein the frequency domain resource pattern is at least partially defined via an index from a mapping table, wherein the mapping table defines:

sensing reference signal resource element positions along a frequency axis;

sensing reference signal resource element positions within a resource block, a frequency block, or a combination thereof;

sensing reference signal resource block, frequency block positions, or a combination thereof containing sensing reference signal elements;

or some combination thereof.

4. The method of claim 1 , wherein the pattern comprises a frequency domain hopping configuration, and the frequency domain hopping configuration comprises:

at least two frequency domain patterns;

a frequency domain pattern modification;

a time domain pattern wherein an alternate frequency domain pattern or a pattern modifications takes place;

a frequency domain hopping pattern defined via an index from a codebook, wherein the codebook defines frequency domain hopping patterns;

or some combination thereof.

5. The method of claim 1 , wherein a joint time and frequency domain sensing reference signal resource pattern corresponding to the pattern is at least partly defined via an index from a mapping table, wherein the mapping table defines:

sensing reference signal resource element positions jointly along a time and frequency axis;

sensing reference signal resource element positions within a time frequency resource plain corresponding to a resource block, a frequency block, a slot, a time block, or some combination thereof;

a joint time and frequency position of sensing reference signal time frequency resource planes;

or some combination thereof.

6. The method of claim 1 , wherein the configuration information further comprises:

at least one time domain pattern as a subset of the sensing reference signal pattern along a time domain, wherein symbol locations belonging to the at least one time domain pattern follow an alternate cyclic prefix overhead;

at least one cyclic prefix overhead parameter corresponding to an indicated time domain pattern;

or a combination thereof.

7. The method of claim 1 , wherein at least one of the set of sensing reference signal sequence generation parameters is defined via:

an indication of a first previously defined reference signal or a reference signal parameter;

an indication of a second previously defined reference signal;

at least one sensing reference signal parameter or at least one modified parameter;

a combination type, wherein the combination type is used to generate a new reference signal parameter based on previously defined reference signals or reference signal parameters;

to or a combination thereof.

8. The method of claim 7 , wherein the previously defined reference signals comprises a downlink preference signal, a downlink channel state information reference signal, an uplink preference signal, a downlink demodulation reference signal, an uplink demodulation reference signal, a downlink phase tracking reference signal, an uplink phase tracking reference signal, or some combination thereof.

9. The method of claim 7 , wherein a combination type among two resource patterns defined in a time domain, in a frequency domain, or in the time domain and the frequency domain is defined as:

a displaced version of a first pattern based on a first displacement parameter;

a displaced version of a second pattern based on a second displacement parameter;

a concatenation of the first pattern with the second pattern in the time domain, in the frequency domain, or in the time domain and the frequency domain with a defined distance based on a third displacement parameter;

a union of the first pattern with the second pattern;

an intersection of the first pattern with the second pattern;

a subtraction of the second pattern from the first pattern;

or some combination thereof.

10. The method of claim 7 , wherein a combination type among a first resource pattern defined in a time domain, a frequency domain, or in the time domain and the frequency domain and a second resource pattern defined in the time domain, the frequency domain, or in the time domain and the frequency domain, or a combination thereof is defined as:

a displaced version of the first resource pattern based on a displacement parameter;

a repetition of the first resource pattern along the time domain based on a first repetition parameter set;

a repetition of the first resource pattern along the frequency domain based on a second repetition parameter set;

a repetition of the first resource pattern along the time domain and the frequency domain based on a third repetition parameter set;

a repetition of the first resource pattern according to the second resource pattern;

or some combination thereof.

11. The method of claim 7 , wherein a combination type among a sensing reference signal parameter and a second parameter comprises calculating an operation among the sensing reference signal parameter and the second parameter.

12. The method of claim 7 , wherein a time frequency resource pattern of the sensing reference signal is defined according to a previously defined reference signal and a repetition pattern, and a sequence generation and sequence-to-resource mapping procedure for the sensing reference signal is defined via:

redefining a sensing reference signal sequence and mapping according to the time frequency resource pattern;

repetition of the sensing reference signal sequence within a repeated resource pattern;

or a combination thereof.

13. The method of claim 1 , wherein a signal sequence for the sensing reference signal is defined via a set of parameters indicating:

a type, an index, or a combination thereof of a root sequence of a Zadoff-Chu sequence;

a length of the Zadoff-Chu sequence;

a sequence shift of the Zadoff-Chu sequence;

or some combination thereof.

14. The method of claim 1 , wherein a signal for the sensing reference signal is defined via a set of parameters indicating:

a sequence used as an initialization of a sequence generator for a Gold binary sequence;

a length of the Gold binary sequence;

a binary-to-complex-value transformation for a generated binary sequence;

or some combination thereof.

15. The method of claim 1 , wherein a signal sequence for the sensing reference signal is defined via:

an indication of an a priori defined sequence;

an indication of a portion of the a priori defined sequence;

an indication of a repetition of the a priori defined sequence or a portion thereof;

or some combination thereof.

16. The method of claim 1 , wherein the information indicating to map the generated sequence further comprises:

a definition of a code block group pattern along a time domain, a frequency domain, or a combination thereof;

a definition of orthogonal sequences within each code block group is assigned to a sensing reference signal;

a definition of mapping a sequence value to a corresponding code block group;

or a combination thereof.

17. The method of claim 1 , wherein the information indicating to map the generated sequence further comprises:

a definition of a harmonic multiplication along a time domain for the sensing reference signal;

a definition of the harmonic multiplication along a frequency domain for the sensing reference signal;

a definition of the harmonic multiplication along the time domain and the frequency domain for the sensing reference signal;

a definition of a linear time, a frequency filter, or a combination thereof applied to a sensing reference signal sequence value;

or some combination thereof.

18. The method of claim 1 , wherein the information indicating to map the generated sequence further comprises a power adjustment pattern along a time domain, along a frequency axis, or along the time domain and the frequency axis.

19. An apparatus comprising a first device, the apparatus further comprising:

a receiver that receives configuration information from a second device, wherein the configuration information comprises:

a set of sensing reference signal sequence generation parameters;

a set of sensing reference signal resource pattern parameters, wherein a pattern corresponding to the set of sensing reference signal resource pattern parameters comprises time domain locations of symbols within a sensing reference signal, frequency domain locations of resource elements within the sensing reference signal, or a combination thereof; and

information indicating to map a generated sequence based on the pattern on at least one antenna to create a sensing reference signal pattern;

a processor that generates a sensing reference signal; and

a transmitter that transmits the sensing reference signal according to the configuration information, the receiver receives the sensing reference signal according to the configuration information, or a combination thereof.

20. An apparatus comprising a second device, the apparatus further comprising:

a transmitter that transmits configuration information to a first device, wherein the configuration information comprises:

a set of sensing reference signal sequence generation parameters;

a set of sensing reference signal resource pattern parameters, wherein a pattern corresponding to the set of sensing reference signal resource pattern parameters comprises time domain locations of symbols within a sensing reference signal, frequency domain locations of resource elements within the sensing reference signal, or a combination thereof; and

information indicating to map a generated sequence based on the pattern on at least one antenna to create a sensing reference signal pattern; and

a receiver that receives the sensing reference signal according to the configuration information, the transmitter transmits the sensing reference signal according to the configuration information, or a combination thereof.