US-20260129588-A1 - FILTER POWER DISTRIBUTION INDICATION

Abstract

Systems, methods, apparatuses, and computer program products for filter power distribution indication. A method may include determining a first size of a first part of a frequency band segment within a total bandwidth allocation, and a second size of a second part of the frequency band segment. The method may also include determining a value indicative of a power spectral density difference or power difference between the first part and the second part. The method may further include generating a power indication of the frequency band segment within the total bandwidth allocation based on the power spectral density difference. In addition, the method may include signaling, to a network element, the power indication for the frequency band segment within the total bandwidth allocation.

Inventors

• Majed SAAD
• Esa Tapani Tiirola
• Nhat-Quang Nhan
• Oskari TERVO
• Marco MASO
• Arto Lehti

Assignees

• NOKIA TECHNOLOGIES OY

Dates

Publication Date

20260507

Application Date

20251219

Claims (20)

1. 1 . A method, comprising: obtaining a power containment ratio, wherein the power containment ratio defines a power in a frequency band segment relative to a total transmit power; determining at least one value indicative of a frequency band segment corresponding to the power containment ratio; and signaling the at least one value to a network element.
2. 2 . The method according to claim 1 , wherein the obtaining the power containment ratio comprises receiving a configuration from the network element or obtaining the power containment ratio through a pre-configuration.
3. 3 . The method according to claim 1 , wherein the at least one value comprises an index corresponding to a bandwidth ratio between a first part and a second part of the frequency segment within a total allocated bandwidth.
4. 4 . The method according to claim 1 , wherein the frequency band segment is at least one of the following: a total allocation comprising in-band, excess-band, or any band segment within the total allocation, or a band segment or a fraction of the total allocation.
5. 5 . The method according to claim 1 , wherein the frequency band segment is configurable or pre-determined within the total bandwidth allocation.
6. 6 . The method according to claim 1 , wherein the determination is performed by using a transmitter filter with a frequency domain spectrum shaping waveform.
7. 7 . The method according to claim 1 , wherein the at least one value comprises an index corresponding to a frequency cut-off position that maps to a resource element or a physical resource block.
8. 8 . The method according to claim 7 , wherein the index is defined as at least one of: a value relative to a reference point, the reference point corresponding to an excess-band boundary or an in-band boundary; or a value as a positive value or a negative value to indicate a direction of the resource element or the physical resource block relative to the reference point.
9. 9 . An apparatus, comprising: at least one processor; and at least one memory storing instructions which, when executed by the at least one processor, cause the apparatus at least to perform: obtaining a power containment ratio, wherein the power containment ratio defines a power in a frequency band segment relative to a total transmit power; determining at least one value indicative of a frequency band segment corresponding to the power containment ratio; and signaling the at least one value to a network element.
10. 10 . The apparatus according to claim 9 , wherein the obtaining the power containment ratio comprises receiving a configuration from the network element or obtaining the power containment ratio through a pre-configuration.
11. 11 . The apparatus according to claim 9 , wherein the at least one value comprises an index corresponding to a bandwidth ratio between a first part and a second part of the frequency segment within a total allocated bandwidth.
12. 12 . The apparatus according to claim 9 , wherein the frequency band segment is at least one of the following: a total allocation comprising in-band, excess-band, or any band segment within the total allocation, or a band segment or a fraction of the total allocation.
13. 13 . The apparatus according to claim 9 , wherein the frequency band segment is configurable or pre-determined within the total bandwidth allocation.
14. 14 . The apparatus according to claim 9 , wherein the determination is performed by using a transmitter filter with a frequency domain spectrum shaping waveform.
15. 15 . The apparatus according to claim 9 , wherein the at least one value comprises an index corresponding to a frequency cut-off position that maps to a resource element or a physical resource block.
16. 16 . The apparatus according to claim 15 , wherein the index is defined as at least one of: a value relative to a reference point, the reference point corresponding to an excess-band boundary or an in-band boundary; or a value as a positive value or a negative value to indicate a direction of the resource element or the physical resource block relative to the reference point.
17. 17 . The apparatus according to claim 9 , wherein the apparatus comprises or is comprised in a user equipment.
18. 18 . An apparatus, comprising: at least one processor; and at least one memory comprising computer program code, the at least one memory storing instructions which, when executed by the at least one processor, cause the apparatus at least to perform: signaling, to a user equipment, a power containment ratio, wherein the power containment ratio defines a power in a frequency band segment relative to a total transmit power; and receiving, from the user equipment, at least one value indicative of a frequency band segment corresponding to the power containment ratio.
19. 19 . The apparatus according to claim 18 , wherein the at least one value comprises an index corresponding to a bandwidth ratio between a first part and a second part of the frequency segment within a total allocated bandwidth.
20. 20 . The apparatus according to claim 18 , wherein the frequency band segment is at least one of the following: a total allocation comprising in-band, excess-band, or any band segment within the total allocation, or a band segment or a fraction of the total allocation.

Description

CROSS-REFERENCE TO RELATED APPLICATION This is a continuation application of U.S. patent application Ser. No. 18/111,358 filed on Feb. 17, 2023. The disclosure of the prior application is hereby incorporated by reference in its entirety. FIELD Some example embodiments may generally relate to mobile or wireless telecommunication systems, such as Long Term Evolution (LTE) or fifth generation (5G) new radio (NR) access technology, or 5G beyond, or other communications systems. For example, certain example embodiments may relate to apparatuses, systems, and/or methods for filter power distribution indication. BACKGROUND Examples of mobile or wireless telecommunication systems may include the Universal Mobile Telecommunications System (UMTS) Terrestrial Radio Access Network (UTRAN), LTE Evolved UTRAN (E-UTRAN), LTE-Advanced (LTE-A), MulteFire, LTE-A Pro, fifth generation (5G) radio access technology or NR access technology, and/or 5G-Advanced. 5G wireless systems refer to the next generation (NG) of radio systems and network architecture. 5G network technology is mostly based on NR technology, but the 5G (or NG) network can also build on E-UTRAN radio. It is estimated that NR may provide bitrates on the order of 10-20 Gbit/s or higher, and may support at least enhanced mobile broadband (eMBB) and ultra-reliable low-latency communication (URLLC) as well as massive machine-type communication (mMTC). NR is expected to deliver extreme broadband and ultra-robust, low-latency connectivity and massive networking to support the IoT. SUMMARY Some example embodiments may be directed to a method. The method may include determining a first size of a first part of a frequency band segment within a total bandwidth allocation, and a second size of a second part of the frequency band segment. The method may also include determining a value indicative of a power spectral density difference or power difference between the first part and the second part. The method may further include generating a power indication of the frequency band segment within the total bandwidth allocation based on the power spectral density difference. In addition, the method may include signaling, to a network element, the power indication for the frequency band segment within the total bandwidth allocation. Other example embodiments may be directed to an apparatus. The apparatus may include at least one processor and at least one memory including computer program code. The at least one memory and computer program code may be configured to, with the at least one processor, cause the apparatus at least to determine a first size of a first part of a frequency band segment within a total bandwidth allocation, and a second size of a second part of the frequency band segment. The apparatus may also be caused to determine a value indicative of a power spectral density difference or power difference between the first part and the second part. The apparatus may further be caused to generate a power indication of the frequency band segment within the total bandwidth allocation based on the power spectral density difference. In addition, the apparatus may be caused to signal, to a network element, the power indication for the frequency band segment within the total bandwidth allocation. Other example embodiments may be directed to an apparatus. The apparatus may include means for determining a first size of a first part of a frequency band segment within a total bandwidth allocation, and a second size of a second part of the frequency band segment. The apparatus may also include means for determining a value indicative of a power spectral density difference or power difference between the first part and the second part. The apparatus may further include means for generating a power indication of the frequency band segment within the total bandwidth allocation based on the power spectral density difference. In addition, the apparatus may include means for signaling, to a network element, the power indication for the frequency band segment within the total bandwidth allocation. In accordance with other example embodiments, a non-transitory computer readable medium may be encoded with instructions that may, when executed in hardware, perform a method. The method may include determining a first size of a first part of a frequency band segment within a total bandwidth allocation, and a second size of a second part of the frequency band segment. The method may also include determining a value indicative of a power spectral density difference or power difference between the first part and the second part. The method may further include generating a power indication of the frequency band segment within the total bandwidth allocation based on the power spectral density difference. In addition, the method may include signaling, to a network element, the power indication for the frequency band segment within the total bandwidth allocation. Other example embodiments may be di