公开(公告)号：US20230370937A1

公开(公告)日：2023-11-16

申请号：US18184481

申请日：2023-03-15

Applicant: DALI WIRELESS, INC.

Inventor： Wan-Jong KIM ,  Kyoung Joon CHO ,  Jong Heon KIM ,  Shawn Patrick STAPLETON

IPC: H04W40/02 ,  H03F1/32 ,  H03F3/24 ,  H04L25/03 ,  H04L27/36 ,  H04W88/08 ,  H04W24/02 ,  H04B1/04 ,  H04W24/04 ,  H04W40/00 ,  H04L27/26 ,  H04W72/0453 ,  H04B7/022 ,  H04W72/04

CPC classification number: H04W40/02 ,  H03F1/3247 ,  H03F3/24 ,  H04L25/03343 ,  H04L27/362 ,  H04W88/085 ,  H04W24/02 ,  H04B1/0475 ,  H04W24/04 ,  H04W40/00 ,  H04L27/2618 ,  H04W72/0453 ,  H04B7/022 ,  H04W72/04 ,  H03F2200/336 ,  H03F2200/57 ,  H03F2201/3224 ,  H03F2201/3233 ,  H04L2025/03414 ,  H04B2001/0425

Abstract: An efficient baseband predistortion linearization method for reducing the spectral regrowth and compensating memory effects in wideband communication systems using effective multiplexing modulation technique such as wideband code division multiple access and orthogonal frequency division multiplexing is disclosed. The present invention is based on the method of piecewise pre-equalized lookup table based predistortion, which is a cascade of a lookup table predistortion and piecewise pre-equalizers.

公开(公告)号：US20220007263A1

公开(公告)日：2022-01-06

申请号：US17479951

申请日：2021-09-20

Applicant: DALI WIRELESS, INC.

Inventor： Wan-Jong KIM ,  Kyoung Joon CHO ,  Jong Heon KIM ,  Shawn Patrick STAPLETON

IPC: H04W40/02 ,  H03F1/32 ,  H03F3/24 ,  H04L25/03 ,  H04L27/36 ,  H04W88/08 ,  H04W24/02 ,  H04B1/04 ,  H04W24/04 ,  H04W40/00 ,  H04L27/26 ,  H04W72/04 ,  H04B7/022

Abstract: An efficient baseband predistortion linearization method for reducing the spectral regrowth and compensating memory effects in wideband communication systems using effective multiplexing modulation technique such as wideband code division multiple access and orthogonal frequency division multiplexing is disclosed. The present invention is based on the method of piecewise pre-equalized lookup table based predistortion, which is a cascade of a lookup table predistortion and piecewise pre-equalizers.

公开(公告)号：US20200169937A1

公开(公告)日：2020-05-28

申请号：US16777306

申请日：2020-01-30

Applicant: DALI WIRELESS, INC.

Inventor： Wan-Jong KIM ,  Kyoung Joon CHO ,  Jong Heon KIM ,  Shawn Patrick STAPLETON

IPC: H04W40/02 ,  H04W72/04 ,  H04B7/022 ,  H04L27/26 ,  H04W40/00 ,  H04W24/04 ,  H04B1/04 ,  H04W24/02 ,  H04W88/08 ,  H04L27/36 ,  H04L25/03 ,  H03F3/24 ,  H03F1/32

Abstract: An efficient baseband predistortion linearization method for reducing the spectral regrowth and compensating memory effects in wideband communication systems using effective multiplexing modulation technique such as wideband code division multiple access and orthogonal frequency division multiplexing is disclosed. The present invention is based on the method of piecewise pre-equalized lookup table based predistortion, which is a cascade of a lookup table predistortion and piecewise pre-equalizers.