US-20260128938-A1 - CONSTELLATIONS FOR WIRELESS COMMUNICATION

US20260128938A1US 20260128938 A1US20260128938 A1US 20260128938A1US-20260128938-A1

Abstract

Various aspects of the present disclosure relate to constellations for wireless communication. An apparatus (e.g., network equipment (NE), user equipment (UE)) generates a set of constellations associated with wireless communication, wherein the set of constellations includes a plurality of pairs of constellations, wherein each pair of constellations includes a first constellation for transmission of the wireless communication and a second constellation for reception of the wireless communication. The apparatus transmits information of at least a subset of the set of constellations.

Inventors

JungHoon Kim
Venkata Srinivas Kothapalli

Assignees

LENOVO (UNITED STATES) INC.

Dates

Publication Date: 20260507
Application Date: 20250418

Claims (20)

1 . A first apparatus for wireless communication, comprising: at least one memory; and at least one processor coupled with the at least one memory and operable to: generate a set of constellations associated with wireless communication, wherein the set of constellations comprises a plurality of pairs of constellations, wherein each pair of constellations comprises a first constellation for transmission of the wireless communication and a second constellation for reception of the wireless communication.
2 . The first apparatus of claim 1 , wherein the at least one processor is further operable to cause the first apparatus to transmit information of at least a subset of the set of constellations.
3 . The first apparatus of claim 2 , wherein the information of at least a subset of the set of constellations is transmitted to a second apparatus for transmission or reception of wireless communication.
4 . The first apparatus of claim 1 , wherein the first constellation is configured for bit mapping, and wherein the second constellation is configured for bit demapping.
5 . The first apparatus of claim 1 , wherein the first constellation and the second constellation have different constellation arrangements.
6 . The first apparatus of claim 1 , wherein the set of constellations is generated based at least in part on an objective function.
7 . The first apparatus of claim 6 , wherein the objective function is based at least in part on a bit-interleaved coded modulation (BICM) function.
8 . The first apparatus of claim 6 , wherein the objective function is based at least in part on a first constellation for a transmitter constellation and a second constellation for a receiver constellation, and wherein the first constellation is associated with generating a symbol for transmission, and the second constellation is associated with calculating a likelihood ratio associated with the symbol for transmission.
9 . The first apparatus of claim 6 , wherein the objective function is associated with one or more constraints, and wherein the one or more constraints are based at least in part on power normalization for the set of constellations.
10 . The first apparatus of claim 9 , wherein the set of constellations comprises non-uniform constellations.
11 . The first apparatus of claim 10 , wherein the set of constellations comprises one or more of a one-dimensional non-uniform constellation, a two-dimensional non-uniform constellation, or a M-ary amplitude phase shift keying (M-APSK) constellation.
12 . The first apparatus of claim 10 , wherein the one or more constraints are based at least in part on one or more constellation types for the set of constellations.
13 . The first apparatus of claim 1 , wherein the set of constellations is generated based at least in part on an objective function, and wherein the objective function is determined based at least in part on one or more of an exhaustive search, a particle swarm optimization, a genetic algorithm, or a Nelder-Mead algorithm.
14 . The first apparatus of claim 1 , wherein the first constellation is generated based at least in part on an objective function, and the second constellation is determined based at least in part on a predefined constellation for reception of wireless communication.
15 . The first apparatus of claim 14 , wherein the predefined constellation comprises a quadrature amplitude modulation (QAM) constellation.
16 . A second apparatus for wireless communication, comprising: at least one memory; and at least one processor coupled with the at least one memory and operable to: receive information of at least a subset of a set of constellations, wherein the subset comprises a pair of constellations comprising a first constellation for transmission of the wireless communication and a second constellation for reception of the wireless communication; and receive or transmit data based at least in part on the the subset of the set of constellations.
17 . The second apparatus of claim 16 , wherein the first constellation and the second constellation have different constellation arrangements, and wherein the first constellation and the second constellation comprise non-uniform constellations.
18 . A method, comprising: generating a set of constellations associated with wireless communication, wherein the set of constellations comprises a plurality of pairs of constellations, wherein each pair of constellations comprises a first constellation for transmission of the wireless communication and a second constellation for reception of the wireless communication.
19 . The method of claim 18 , further comprising transmitting information of at least a subset of the set of constellations.
20 . A method, comprising: receiving information of at least a subset of a set of constellations, wherein the subset comprises a pair of constellations comprising a first constellation for transmission of wireless communication and a second constellation for reception of wireless communication; and receiving or transmitting data based at least in part on the subset of the set of constellations.

Description

TECHNICAL FIELD The present disclosure relates to wireless communications, and more specifically to modulation and coding in wireless communications. BACKGROUND A wireless communications system may include one or multiple network communication devices, which may be otherwise known as network equipment (NE), supporting wireless communications for one or multiple user communication devices, which may be otherwise known as user equipment (UE), or other suitable terminology. The wireless communications system may support wireless communications with one or multiple user communication devices by utilizing resources of the wireless communication system (e.g., time resources (e.g., symbols, slots, subframes, frames, or the like) or frequency resources (e.g., subcarriers, carriers, or the like)). Additionally, the wireless communications system may support wireless communications across various radio access technologies including third generation (3G) radio access technology, fourth generation (4G) radio access technology, fifth generation (5G) radio access technology, among other suitable radio access technologies beyond 5G (e.g., sixth generation (6G)). SUMMARY As used herein, including in the claims, an article “a” before an element is unrestricted and understood to refer to “at least one” of those elements or “one or more” of those elements. The terms “a,” “at least one,” “one or more,” and “at least one of one or more” may be interchangeable. As used herein, including in the claims, “or” as used in a list of items (e.g., a list of items prefaced by a phrase such as “at least one of” or “one or more of” or “one or both of”) indicates an inclusive list such that, for example, a list of at least one of A, B, or C means A or B or C or AB or AC or BC or ABC (i.e., A and B and C). Also, as used herein, the phrase “based on” shall not be construed as a reference to a closed set of conditions. For example, an example step that is described as “based on condition A” may be based on both a condition A and a condition B without departing from the scope of the present disclosure. In other words, as used herein, the phrase “based on” shall be construed in the same manner as the phrase “based at least in part on”. Further, as used herein, including in the claims, a “set” may include one or more elements. The devices (e.g., NE, UE), processors, and methods of the present disclosure each have several innovative aspects, no single one of which is solely responsible for the desirable features disclosed herein. An apparatus (e.g., a NE, UE) for wireless communication is described. The apparatus may be configured to, capable of, or operable to perform one or more operations as described herein. For example, the apparatus may be configured to, capable of, or operable to generate a set of constellations associated with wireless communication, wherein the set of constellations includes a plurality of pairs of constellations, wherein each pair of constellations includes a first constellation for transmission of the wireless communication and a second constellation for reception of the wireless communication; and transmit information of at least a subset of the set of constellations. A processor (e.g., a standalone processor chipset, or a component of an apparatus (e.g., UE, NE)) for wireless communication is described. The processor may be configured to, capable of, or operable to perform one or more operations as described herein. For example, the processor may be configured to, capable of, or operable to generate a set of constellations associated with wireless communication, wherein the set of constellations includes a plurality of pairs of constellations, wherein each pair of constellations includes a first constellation for transmission of the wireless communication and a second constellation for reception of the wireless communication; and transmit information of at least a subset of the set of constellations. A method performed or performable by an apparatus (e.g., UE, NE) for wireless communication is described. The method may include generating a set of constellations associated with wireless communication, wherein the set of constellations includes a plurality of pairs of constellations, wherein each pair of constellations includes a first constellation for transmission of the wireless communication and a second constellation for reception of the wireless communication; and transmitting information of at least a subset of the set of constellations. In some implementations of the apparatus, the processor, and the method described herein, the first constellation is configured for bit mapping, and wherein the second constellation is configured for bit demapping; the first constellation and the second constellation have different constellation arrangements; the set of constellations is generated based at least in part on an objective function; the objective function is based at least in part on a bit-interleaved coded modulatio