公开(公告)号：US20160365972A1

公开(公告)日：2016-12-15

申请号：US15180943

申请日：2016-06-13

Applicant: Samsung Electronics Co., Ltd.

Inventor： Seong-Hyun JANG ,  Niranjan Nayak RATNAKAR

IPC: H04L7/04 ,  H04L27/26

CPC classification number: H04L27/2656 ,  H04J11/0069 ,  H04J11/0076 ,  H04L27/2613

Abstract: A method, communication device, and user equipment (UE) for detecting a synchronization signal in a wireless communication system are provided. The method includes receiving a synchronization signal including a code sequence of length 2N, wherein the code sequence includes an even code sequence of length N and an odd code sequence of length N; obtaining the code sequence by de-scrambling the received synchronization signal; generating and storing a correlation value of the even code sequence by full-correlating the even code sequence with a number of candidate even code sequences; generating a correlation value of the odd code sequence by full-correlating the odd code sequence with a number of candidate odd code sequences, and obtaining a correlation value of the code sequence by adding the stored correlation value of the even code sequence corresponding to the candidate odd code sequences to the generated correlation value of the odd code sequence; and detecting the synchronization signal based on the obtained correlation value of the code sequence.

Abstract translation: 提供了一种用于在无线通信系统中检测同步信号的方法，通信设备和用户设备（UE）。 该方法包括接收包括长度为2N的码序列的同步信号，其中码序列包括长度为N的偶数码序列和长度为N的奇码序列; 通过对所接收的同步信号进行去加扰来获得代码序列; 通过将偶数码序列与多个候选偶数码序列完全相关来生成和存储偶数码序列的相关值; 通过将奇数代码序列与候选奇数代码序列的数量进行全相关来产生奇数代码序列的相关值，并且通过将所存储的与候选对应的偶编码序列相关的值相加来获得代码序列的相关值 奇数码序列与所产生的奇码编码相关值; 以及基于获得的代码序列的相关值来检测同步信号。

公开(公告)号：US20210014810A1

公开(公告)日：2021-01-14

申请号：US17034269

申请日：2020-09-28

Applicant: Samsung Electronics Co., Ltd.

Inventor： Hyukjoon KWON ,  Niranjan Nayak RATNAKAR ,  Kee-Bong SONG ,  Jungwon LEE

IPC: H04W56/00 ,  H04L27/26 ,  H04L5/00 ,  H04J11/00

Abstract: A method and apparatus are provided. The method includes, but is not limited to, receiving a universal synchronization signal (USS) including a universal primary synchronization signal (UPSS) and a universal secondary synchronization signal (USSS), wherein the USS is coded using a mother code which is extended to m resource blocks (RBs) and n orthogonal frequency division multiplexing (OFDM) symbols and a code cover of m RBs and n symbols is applied to the mother code, determining a cell identity based on the USS, determining a frame timing based on the USS, and connecting a user equipment to a network using the cell identity and the frame timing.

公开(公告)号：US20180054788A1

公开(公告)日：2018-02-22

申请号：US15353274

申请日：2016-11-16

Applicant: Samsung Electronics Co .. Ltd.

Inventor： Hyukjoon KWON ,  Niranjan Nayak RATNAKAR ,  Kee-Bong SONG ,  Jungwon LEE

IPC: H04W56/00

Abstract: A method and apparatus are provided. The method includes, but is not limited to, receiving a universal synchronization signal (USS) including a universal primary synchronization signal (UPSS) and a universal secondary synchronization signal (USSS), wherein the USS is coded using a mother code which is extended to m resource blocks (RBs) and n orthogonal frequency division multiplexing (OFDM) symbols and a code cover of m RBs and n symbols is applied to the mother code, determining a cell identity based on the USS, determining a frame timing based on the USS, and connecting a user equipment to a network using the cell identity and the frame timing.

公开(公告)号：US20180191462A1

公开(公告)日：2018-07-05

申请号：US15454596

申请日：2017-03-09

Applicant: Samsung Electronics Co. , Ltd.

Inventor： Hyukjoon KWON ,  Niranjan Nayak RATNAKAR ,  Jungwon LEE

IPC: H04L1/00 ,  H04L7/027

CPC classification number: H04L1/0038 ,  H04L7/0278 ,  H04L27/2602 ,  H04L27/2666 ,  H04L27/2678 ,  H04W88/02

Abstract: Apparatuses and methods of manufacturing same, systems, and methods for blind detection of a numerology of a received signal are described. In one aspect, a method is provided for a user equipment (UE) to blindly detect the numerology of a received signal. The method includes correlating cyclic prefix (CP) signals in the received signal in the time domain based on a plurality of hypotheses of subcarrier spacing (SCS); measuring power variation of the received signal in the frequency domain based on the plurality of hypotheses of SCS; and combining weighted results of a correlation of the CP signals in the time domain and the measured power variation in the frequency domain to determine a numerology of the received signal for a corresponding hypothesis of SCS of the plurality of hypotheses.