H - Electricity – 04 – B
Patent
H - Electricity
04
B
H04B 7/216 (2006.01) H04B 7/26 (2006.01) H04B 1/707 (2006.01)
Patent
CA 2334898
Image PCT WORLD INTELLECTUAL PROPERTY ORGANIZATION International Bureau INTERNATIONAL APPLICATION PUBLISHED UNDER THE PATENT COOPERATION TREATY (PCT) (51) International Patent Classification 7: (11) International Publication Number: WO 00/67399 H04B 7/216 Al (43) International Publication Date: 9 November 2000 (09.11.00) (21) International Application Number: PCT/KR00/00408 (74) Agent: LEE, Keon- Joo; Mihwa Building, 110-2, Myon- gryun-dong 4-ga, Chongro-gu, Seoul 110-524 (KR). (22) International Filing Date: 29 Apri1 2000 (29.04.00) (81) Designated States: AU, CA, CN, JP, European patent (AT, (30) Priority Data: BE, CH, CY, DE, DK, ES, FI, FR, GB, GR, IE, rT, LU, 1999/15332 29 April 1999 (29.04.99) KR MC, NL, PT, SE). 1999/18921 25 May 1999 (25.05.99) KR Published (71) Applicant: SAMSUNG ELECTRONICS CO., LTD. [KR/KR]; With international search report. 416, Maetan-dong, Paldal-gu, Suwon-shi, Kyungki-do Before the expiration of the time limit for amending the 442-370 (KR). claims and to be republished in the event of the receipt of amendments. (72) Inventors: MOON, Hi-Chan; 391, Pungnap-dong, Songpa-gu, Seoul 138-170 (KR). LIM, Chae-Man; 765, Kuro-dong, Kuro-gu, Seoul 152-050 (KR). MAENG, Seung-Joo; 201-1001, Maehwamaeul, Yatap-dong, Puntang-gu, Songnam-shi, Kyonggi-do 463-050 (KR). YOON, Soon-Young; 165, Karak-dong, Songpa-gu, Seoul 138-170 (KR). LEE, Hyeon-Woo; Beoksan APT. #806-901 Kwonson-dong, Kwonson-gu, Suwon-shi, Kyonggi-do 441-130 (KR). KANG, Heo-Won; 1499, My- onmok-dong, Chungnang-gu, Seoul 131-200 (KR). AHN, Jae-Min; Puleun Samho APT. #109-303, Irwonpon-dong, Kangnam-gu, Seoul 135-239 (KR). (54) Title: APPARARUS AND METHOD FOR SYNCHRONIZING CHANNELS IN A W-CDMA COMMUNICATION SYSTEM (57) Abstract A synchronization (sync) code communication device for an CDMA communication system. A base station sync code transmission device comprises a primary sync code transmitter and a secondary sync code transmitter. The primary sync code transmitter is for generating and then transmitting a primary sync code at a first location in a transmission frame. The primary sync code is for acquiring synchronization at a Image starting point of a frame and the frame is equal to one period of a spreading code. The secondary sync code transmitter is for generating and then transmitting a secondary sync code at a second location in a frame. The secondary sync codes are assigned to base station groups, one to a group. A mobile station sync code receiving device comprises a primary sync code acquisition decider and a base station group decider. The primary sync code acquisition decider is for acquiring a primary sync code received at a first location in a frame, and then acquiring synchronization at a starting point of a frame. The base station group decider is enabled upon acquisition of the primary sync code, receives a secondary sync code transmitted at a second location in the frame, and then determines the base station group to which the transmitting base station belongs.
La présente invention concerne un dispositif de communications à code de synchronisation (sync) pour un système de communications AMCR. Un dispositif d'émission de code sync de station de base comprend un émetteur de code sync primaire et un émetteur de code sync secondaire. L'émetteur de code sync primaire permet de générer puis d'émettre un code sync primaire à un premier endroit d'une trame d'émission. Le code sync primaire permet d'acquérir la synchronisation à un point de départ d'une trame, la trame égalant une période d'un code d'étalement. L'émetteur de code sync secondaire permet de générer puis d'émettre un code sync secondaire à un premier endroit de la trame. Les codes sync secondaires sont reaffectés à des groupes de station de base, sur la base d'un code par groupe. Un dispositif de réception de code sync de station mobile comprend un décideur d'acquisition de code sync primaire et un décideur de groupe de station de base. Le décideur d'acquisition de code sync primaire permet d'acquérir un code sync primaire reçu à un premier endroit d'une trame, puis d'acquérir la synchronisation à un point de départ d'une trame. Le décideur de groupe de station de base est validé lors de l'acquisition du code sync primaire, reçoit un code sync secondaire émis dans un second endroit de la trame, puis détermine le groupe de station de base auquel appartient la station de base d'émission.
Ahn Jae-Min
Kang Hee-Won
Lee Hyeon-Woo;
Lim Chae-Man
Maeng Seung-Joo
Samsung Electronics Co. Ltd.
Smart & Biggar
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