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公开(公告)号：BRPI0807745A2
公开(公告)日：2014-12-30
申请号：BRPI0807745
申请日：2008-07-11
Applicant: KOREA ELECTRONICS TELECOMM
Inventor： CHANG KAP SEOK , KIM IL GYU , PARK HYEONG GEUN , KO YOUNG JO , YI HYO SEOK , LEE MOON SIK , KIM YOUNG HOON , BANG SEUNG CHAN
IPC: H04B7/26
Abstract: The present invention relates to a method of searching for a cell by a mobile station in a wireless communication system, wherein the wireless communication system uses a plurality of short sequences grouped into a plurality of short sequence groups, the method comprising: receiving a downlink frame including a primary synchronization signal and a secondary synchronization signal, wherein the secondary synchronization signal contains cell identity group information and the primary synchronization signal contains cell identity information within a cell identity group; and searching for a cell using the cell identity group information in the secondary synchronization signal and the cell identity information in the primary synchronization signal, wherein the secondary synchronization signal comprises a first short sequence and a second short sequence, the first short sequence is scrambled with a first scrambling sequence, and the second short sequence is scrambled with a second scrambling sequence, wherein the first scrambling sequence is determined based on the cell identity information contained in the primary synchronization signal, and the second scrambling sequence is determined based on a short sequence group to which the first short sequence is assigned, the short sequence group being determined based on a remainder of dividing an index of the first short sequence by 8.
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公开(公告)号：BRPI0809496A2
公开(公告)日：2014-09-23
申请号：BRPI0809496
申请日：2008-07-18
Applicant: KOREA ELECTRONICS TELECOMM
Inventor： CHANG KAP SEOK , KIM IL GYU , PARK HYEONG GEUN , KO YOUNG JO , YI HYO SEOK , JEONG CHAN BOK , KIM YOUNG HOON , BANG SEUNG CHAN
Abstract: The present invention proposes a method of generating a downlink frame including a primary synchronization signal and secondary synchronization signals with which interference between sectors can be reduced so as to improve the performance for searching cells. The method comprises the steps of generating a first short sequence and a second short sequence, generating a first scrambling sequence and a second scrambling sequence by the primary synchronization signal, generating a third scrambling sequence determined by a short sequence group to which the first short sequence is assigned and a fourth scrambling sequence determined by a short sequence group to which the second short sequence is assigned, scrambling the first short sequence with the first scrambling sequence and scrambling the second short sequence with the second scrambling sequence and the third scrambling sequence, scrambling the second short sequence with the first scrambling sequence and scrambling the first short sequence with the second scrambling sequence and the fourth scrambling sequence, and mapping the secondary synchronization signal that including the scambled short sequences and the fourth to a frequency domain.
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公开(公告)号：BRPI0807394A2
公开(公告)日：2014-05-20
申请号：BRPI0807394
申请日：2008-07-11
Applicant: KOREA ELECTRONICS TELECOMM
Inventor： CHANG KAP SEOK , KIM YOUNG HOON , KIM IL GYU , BANG SEUNG CHAN , PARK HYEONG GEUN , KO YOUNG JO , YI HYO SEOK , LEE MOON SIK
Abstract: The present invention relates to a method of searching for a cell by a mobile station in a wireless communication system, wherein the wireless communication system uses a plurality of short sequences grouped into a plurality of short sequence groups, the method comprising: receiving a downlink frame including a primary synchronization signal and a secondary synchronization signal, wherein the secondary synchronization signal contains cell identity group information and the primary synchronization signal contains cell identity information within a cell identity group; and searching for a cell using the cell identity group information in the secondary synchronization signal and the cell identity information in the primary synchronization signal, wherein the secondary synchronization signal comprises a first short sequence and a second short sequence, the first short sequence is scrambled with a first scrambling sequence, and the second short sequence is scrambled with a second scrambling sequence, wherein the first scrambling sequence is determined based on the cell identity information contained in the primary synchronization signal, and the second scrambling sequence is determined based on a short sequence group to which the first short sequence is assigned, the short sequence group being determined based on a remainder of dividing an index of the first short sequence by 8.
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34.发明专利
公开(公告)号：ES2380065T3
公开(公告)日：2012-05-08
申请号：ES10160271
申请日：2008-07-18
Applicant: KOREA ELECTRONICS TELECOMM
Inventor： CHANG KAP SEOK , KIM IL GYU , PARK HYEONG GEUN , KO YOUNG JO , YI HYO SEOK , JEONG CHAN BOK , KIM YOUNG HOON , BANG SEUNG CHAN
Abstract: Un procedimiento de generación de una trama de enlace descendente (110) que incluye una señal de sincronización primaria y señales de sincronización secundarias, que comprende: generación de una primera secuencia corta y una segunda secuencia corta que indican la información de grupo de celdas; generación de una primera secuencia de aleatorización y una segunda secuencia de aleatorización determinadas por la señal de sincronización primaria; generación de una tercera secuencia de aleatorización determinada por un grupo de secuencias cortas -el sistema de comunicación inalámbrica usa una pluralidad de secuencias cortas y la pluralidad de secuencias cortas están agrupadas en una pluralidad de grupos de secuencia corta- a la que se asigna la primera secuencia corta y una cuarta secuencia de aleatorización determinada por un grupo de secuencias cortas al que se asigna la segunda secuencia corta; aleatorización de la primera secuencia corta con la primera secuencia de aleatorización y aleatorización de la segunda secuencia corta con la segunda secuencia de aleatorización y la tercera secuencia de aleatorización; aleatorización de la segunda secuencia corta con la primera secuencia de aleatorización y aleatorización de la primera secuencia corta con la segunda secuencia de aleatorización y la cuarta secuencia de aleatorización; y correspondencia de la señal de sincronización secundaria que incluye la primera secuencia corta aleatorizada con la primera secuencia de aleatorización, la segunda secuencia corta aleatorizada con la segunda secuencia de aleatorización y la tercera secuencia de aleatorización, la segunda secuencia corta aleatorizada con la primera secuencia de aleatorización y la primera secuencia corta aleatorizada con la segunda secuencia de aleatorización y la cuarta secuencia de aleatorización a un dominio de frecuencias.
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公开(公告)号：AT528867T
公开(公告)日：2011-10-15
申请号：AT08778752
申请日：2008-07-11
Applicant: KOREA ELECTRONICS TELECOMM
Inventor： CHANG KAP SEOK , KIM IL GYU , PARK HYEONG GEUN , KO YOUNG JO , YI HYO SEOK , LEE MOON SIK , KIM YOUNG HOON , BANG SEUNG CHAN
Abstract: The present invention relates to a method of searching for a cell by a mobile station in a wireless communication system, wherein the wireless communication system uses a plurality of short sequences grouped into a plurality of short sequence groups, the method comprising: receiving a downlink frame including a primary synchronization signal and a secondary synchronization signal, wherein the secondary synchronization signal contains cell identity group information and the primary synchronization signal contains cell identity information within a cell identity group; and searching for a cell using the cell identity group information in the secondary synchronization signal and the cell identity information in the primary synchronization signal, wherein the secondary synchronization signal comprises a first short sequence and a second short sequence, the first short sequence is scrambled with a first scrambling sequence, and the second short sequence is scrambled with a second scrambling sequence, wherein the first scrambling sequence is determined based on the cell identity information contained in the primary synchronization signal, and the second scrambling sequence is determined based on a short sequence group to which the first short sequence is assigned, the short sequence group being determined based on a remainder of dividing an index of the first short sequence by 8.
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Patent Agency Ranking36.发明专利
公开(公告)号：ES2356030T3
公开(公告)日：2011-04-04
申请号：ES08778879
申请日：2008-07-18
Applicant: KOREA ELECTRONICS TELECOMM
Inventor： CHANG KAP SEOK , KIM IL GYU , PARK HYEONG GEUN , KO YOUNG JO , YI HYO SEOK , JEONG CHAN BOK , KIM YOUNG HOON , BANG SEUNG CHAN
Abstract: Un procedimiento de generación de una trama de enlace descendente (110) que incluye una señal de sincronización primaria y una señal de sincronización secundaria en un sistema de comunicación inalámbrica que comprende: generar una primera secuencia corta y una segunda secuencia corta que indican información del grupo de celdas; generar una primera secuencia de cifrado y una segunda secuencia de cifrado determinadas por la señal de sincronización primaria; generar una tercera secuencia de cifrado determinada por un grupo de secuencias cortas el sistema de comunicación inalámbrica usa una pluralidad de secuencias cortas y la pluralidad de secuencias cortas está agrupada en una pluralidad de grupos de secuencias cortas al que está asignado la primera secuencia corta; cifrar la primera secuencia corta con la primera secuencia de cifrado y cifrar la segunda secuencia corta con la segunda secuencia de cifrado y la tercera secuencia de cifrado; y modular la señal de sincronización secundaria que incluye la primera secuencia corta cifrada y la 15 segunda secuencia corta cifrada a un dominio de la frecuencia.
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公开(公告)号：DE602008003768D1
公开(公告)日：2011-01-13
申请号：DE602008003768
申请日：2008-07-18
Applicant: KOREA ELECTRONICS TELECOMM
Inventor： CHANG KAP SEOK , KIM IL GYU , PARK HYEONG GEUN , KO YOUNG JO , YI HYO SEOK , JEONG CHAN BOK , KIM YOUNG HOON , BANG SEUNG CHAN
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公开(公告)号：AU2008273132A1
公开(公告)日：2009-01-15
申请号：AU2008273132
申请日：2008-07-11
Applicant: KOREA ELECTRONICS TELECOMM
Inventor： YI HYO SEOK , PARK HYEONG GEUN , KIM YOUNG HOON , CHANG KAP SEOK , BANG SEUNG CHAN , LEE MOON SIK , KO YOUNG JO , KIM IL GYU
IPC: H04B7/26
Abstract: The present invention relates to a method of searching for a cell by a mobile station in a wireless communication system, wherein the wireless communication system uses a plurality of short sequences grouped into a plurality of short sequence groups, the method comprising: receiving a downlink frame including a primary synchronization signal and a secondary synchronization signal, wherein the secondary synchronization signal contains cell identity group information and the primary synchronization signal contains cell identity information within a cell identity group; and searching for a cell using the cell identity group information in the secondary synchronization signal and the cell identity information in the primary synchronization signal, wherein the secondary synchronization signal comprises a first short sequence and a second short sequence, the first short sequence is scrambled with a first scrambling sequence, and the second short sequence is scrambled with a second scrambling sequence, wherein the first scrambling sequence is determined based on the cell identity information contained in the primary synchronization signal, and the second scrambling sequence is determined based on a short sequence group to which the first short sequence is assigned, the short sequence group being determined based on a remainder of dividing an index of the first short sequence by 8.
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公开(公告)号：FR2794314B1
公开(公告)日：2004-12-24
申请号：FR0007060
申请日：2000-05-31
Applicant: KOREA ELECTRONICS TELECOMM
Inventor： BANG SEUNG CHAN , KIM TAE JOONG , KIM JAE HEUNG , KIM JUNG IM , CHAE JONG SUK , LEE HYUCK JAE , SHIM JAE RYONG , LEE NARM HEE
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公开(公告)号：EP2179556A4
公开(公告)日：2014-12-24
申请号：EP08766564
申请日：2008-06-24
Applicant: KOREA ELECTRONICS TELECOMM , SAMSUNG ELECTRONICS CO LTD
Inventor： KIM IL GYU , KO YOUNG JO , PARK HYEONG GEUN , CHANG KAP SEOK , YI HYO SEOK , KIM YOUNG-HOON , BANG SEUNG CHAN , LEE KYOUNG JOON
CPC classification number: H04J11/0069 , H04J11/0076 , H04J13/16 , H04L5/0007 , H04L5/0053 , H04L27/26 , H04L27/261 , H04W48/16
Abstract: The present invention relates to a method of generating a downlink frame. The method of generating the downlink frame includes generating a first sequence and a second sequence for identifying cell groups; generating a first scrambling sequence and a second scrambling sequence that are one-to-two mapped to the sequence number of the primary synchronization signal; scrambling the first sequence with the first scrambling sequence and scrambling the second sequence with the second scrambling sequence; and generating a secondary synchronization signal including the scrambled first sequence and second sequence and mapping the secondary synchronization signal to a frequency domain.
Abstract translation: 本发明涉及一种生成下行链路帧的方法。 生成下行链路帧的方法包括生成用于识别小区组的第一序列和第二序列; 产生映射到主同步信号的序列号的一对二的第一加扰序列和第二加扰序列; 用第一加扰序列对第一序列进行加扰，并用第二加扰序列加扰第二序列; 以及生成包括所述加扰的第一序列和第二序列的次同步信号，并将所述次同步信号映射到频域。
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