公开(公告)号：US20230336220A1

公开(公告)日：2023-10-19

申请号：US18155454

申请日：2023-01-17

Applicant: QUALCOMM Incorporated

Inventor： Markus PESCHL ,  Daniel Ernest WORRALL ,  Arash BEHBOODI ,  Roberto BONDESAN ,  Pouriya SADEGHI ,  Sanaz BARGHI

IPC: H04B7/0456 ,  H04B7/06 ,  H04B17/336

CPC classification number: H04B7/0456 ,  H04B7/0697 ,  H04B17/336

Abstract: Certain aspects of the present disclosure provide techniques and apparatus for demapping a signal to a point in a signal constellation. An example method generally includes identifying a seed point in a signal constellation from a received signal. A candidate set of codes for the signal is generated based on a seed point and an additive perturbation applied to the seed point. A point in the signal constellation corresponding to the value of the received signal is identified based on a probability distribution generated over the candidate set of codes. Generally, the identified point corresponds to a code in the candidate set of codes having a highest probability in the probability distribution. The point in the signal constellation is output as the value of the received signal.