Beam sweeping apparatus and method for mobile communication system

Disclosed are a beam sweeping apparatus and method for a mobile communication system. In accordance with an embodiment of the present invention, the beam sweeping apparatus for the mobile communication system comprises: a beam sweeping execution unit which transmits a plurality of common beams with...

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Hauptverfasser: LEE SUNG JAE, JANG JAE SEON
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description Disclosed are a beam sweeping apparatus and method for a mobile communication system. In accordance with an embodiment of the present invention, the beam sweeping apparatus for the mobile communication system comprises: a beam sweeping execution unit which transmits a plurality of common beams with unique SSB index for each of them in accordance with a first beam sweeping pattern for a certain cycle for a first time in the order of the allocated SSB indices, and executes the beam sweeping; an SSB index information collection unit which checks the PRACH preamble received from terminals receiving the common beam by the beam sweeping for the first time, and collects the SSB index information mapped on the PRACH preamble; and a beam sweeping pattern determination unit which transmits the first beam sweeping pattern based on the collected SSB index information by selecting only the corresponding common beams corresponding to the collected SSB index information among the plurality of common beams, or by changing the transmission order of the corresponding common beams, or by changing the transmission directions of the other common beams than the corresponding common beams. The present invention aims to provide a beam sweeping apparatus and method for a mobile communication system, which are able to improve the quality and reliability of mobile communication service. 이동통신시스템의 빔 스위핑 장치 및 방법이 개시된다. 본 발명의 일 실시예에 따른 이동통신시스템의 빔 스위핑 장치는, 제1 시간 동안 일정 주기마다 제1 빔 스위핑 패턴에 따라, 각각 고유의 SSB 인덱스가 할당된 복수의 커먼 빔을, 할당된 SSB 인덱스의 순서로 전송하여 빔 스위핑을 수행하는 빔 스위핑 수행부; 상기 제1 시간 동안 상기 빔 스위핑에 의한 커먼 빔을 수신한 단말들로부터 수신되는 PRACH 프리앰블을 확인하여, 상기 PRACH 프리앰블에 매핑된 SSB 인덱스 정보를 수집하는 SSB 인덱스 정보 수집부; 및 수집된 SSB 인덱스 정보를 기반으로 상기 제1 빔 스위핑 패턴을, 상기 복수의 커먼 빔 중 상기 수집된 SSB 인덱스 정보에 대응하는 대응 커먼 빔만을 선택하여 전송하거나, 상기 대응 커먼 빔의 전송 순서를 변경하여 전송하거나, 상기 대응 커먼 빔을 제외한 나머지 커먼 빔의 전송 방향들을 변경하여 전송하는 제2 빔 스위핑 패턴으로 변경하도록 결정하는 빔 스위핑 패턴 결정부를 포함한다.
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In accordance with an embodiment of the present invention, the beam sweeping apparatus for the mobile communication system comprises: a beam sweeping execution unit which transmits a plurality of common beams with unique SSB index for each of them in accordance with a first beam sweeping pattern for a certain cycle for a first time in the order of the allocated SSB indices, and executes the beam sweeping; an SSB index information collection unit which checks the PRACH preamble received from terminals receiving the common beam by the beam sweeping for the first time, and collects the SSB index information mapped on the PRACH preamble; and a beam sweeping pattern determination unit which transmits the first beam sweeping pattern based on the collected SSB index information by selecting only the corresponding common beams corresponding to the collected SSB index information among the plurality of common beams, or by changing the transmission order of the corresponding common beams, or by changing the transmission directions of the other common beams than the corresponding common beams. The present invention aims to provide a beam sweeping apparatus and method for a mobile communication system, which are able to improve the quality and reliability of mobile communication service. 이동통신시스템의 빔 스위핑 장치 및 방법이 개시된다. 본 발명의 일 실시예에 따른 이동통신시스템의 빔 스위핑 장치는, 제1 시간 동안 일정 주기마다 제1 빔 스위핑 패턴에 따라, 각각 고유의 SSB 인덱스가 할당된 복수의 커먼 빔을, 할당된 SSB 인덱스의 순서로 전송하여 빔 스위핑을 수행하는 빔 스위핑 수행부; 상기 제1 시간 동안 상기 빔 스위핑에 의한 커먼 빔을 수신한 단말들로부터 수신되는 PRACH 프리앰블을 확인하여, 상기 PRACH 프리앰블에 매핑된 SSB 인덱스 정보를 수집하는 SSB 인덱스 정보 수집부; 및 수집된 SSB 인덱스 정보를 기반으로 상기 제1 빔 스위핑 패턴을, 상기 복수의 커먼 빔 중 상기 수집된 SSB 인덱스 정보에 대응하는 대응 커먼 빔만을 선택하여 전송하거나, 상기 대응 커먼 빔의 전송 순서를 변경하여 전송하거나, 상기 대응 커먼 빔을 제외한 나머지 커먼 빔의 전송 방향들을 변경하여 전송하는 제2 빔 스위핑 패턴으로 변경하도록 결정하는 빔 스위핑 패턴 결정부를 포함한다.</description><language>eng ; kor</language><subject>ELECTRIC COMMUNICATION TECHNIQUE ; ELECTRICITY ; TRANSMISSION ; WIRELESS COMMUNICATIONS NETWORKS</subject><creationdate>2021</creationdate><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&amp;date=20210510&amp;DB=EPODOC&amp;CC=KR&amp;NR=20210051671A$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,778,883,25551,76302</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&amp;date=20210510&amp;DB=EPODOC&amp;CC=KR&amp;NR=20210051671A$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>LEE SUNG JAE</creatorcontrib><creatorcontrib>JANG JAE SEON</creatorcontrib><title>Beam sweeping apparatus and method for mobile communication system</title><description>Disclosed are a beam sweeping apparatus and method for a mobile communication system. In accordance with an embodiment of the present invention, the beam sweeping apparatus for the mobile communication system comprises: a beam sweeping execution unit which transmits a plurality of common beams with unique SSB index for each of them in accordance with a first beam sweeping pattern for a certain cycle for a first time in the order of the allocated SSB indices, and executes the beam sweeping; an SSB index information collection unit which checks the PRACH preamble received from terminals receiving the common beam by the beam sweeping for the first time, and collects the SSB index information mapped on the PRACH preamble; and a beam sweeping pattern determination unit which transmits the first beam sweeping pattern based on the collected SSB index information by selecting only the corresponding common beams corresponding to the collected SSB index information among the plurality of common beams, or by changing the transmission order of the corresponding common beams, or by changing the transmission directions of the other common beams than the corresponding common beams. The present invention aims to provide a beam sweeping apparatus and method for a mobile communication system, which are able to improve the quality and reliability of mobile communication service. 이동통신시스템의 빔 스위핑 장치 및 방법이 개시된다. 본 발명의 일 실시예에 따른 이동통신시스템의 빔 스위핑 장치는, 제1 시간 동안 일정 주기마다 제1 빔 스위핑 패턴에 따라, 각각 고유의 SSB 인덱스가 할당된 복수의 커먼 빔을, 할당된 SSB 인덱스의 순서로 전송하여 빔 스위핑을 수행하는 빔 스위핑 수행부; 상기 제1 시간 동안 상기 빔 스위핑에 의한 커먼 빔을 수신한 단말들로부터 수신되는 PRACH 프리앰블을 확인하여, 상기 PRACH 프리앰블에 매핑된 SSB 인덱스 정보를 수집하는 SSB 인덱스 정보 수집부; 및 수집된 SSB 인덱스 정보를 기반으로 상기 제1 빔 스위핑 패턴을, 상기 복수의 커먼 빔 중 상기 수집된 SSB 인덱스 정보에 대응하는 대응 커먼 빔만을 선택하여 전송하거나, 상기 대응 커먼 빔의 전송 순서를 변경하여 전송하거나, 상기 대응 커먼 빔을 제외한 나머지 커먼 빔의 전송 방향들을 변경하여 전송하는 제2 빔 스위핑 패턴으로 변경하도록 결정하는 빔 스위핑 패턴 결정부를 포함한다.</description><subject>ELECTRIC COMMUNICATION TECHNIQUE</subject><subject>ELECTRICITY</subject><subject>TRANSMISSION</subject><subject>WIRELESS COMMUNICATIONS NETWORKS</subject><fulltext>true</fulltext><rsrctype>patent</rsrctype><creationdate>2021</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNqNyrEKwjAQANAsDqL-w4GzkFTU2YoiuIl7OdNrDfRyoXdF_HsXP8DpLW_u6pqQQd9EJeUesBQc0SYFzC0w2Uta6GQElmcaCKIwTzlFtCQZ9KNGvHSzDgel1c-FW1_Oj9N1Q0Ua0oKRMllzu1e-Ct7vwv4Qjtv_1hcgIjMt</recordid><startdate>20210510</startdate><enddate>20210510</enddate><creator>LEE SUNG JAE</creator><creator>JANG JAE SEON</creator><scope>EVB</scope></search><sort><creationdate>20210510</creationdate><title>Beam sweeping apparatus and method for mobile communication system</title><author>LEE SUNG JAE ; JANG JAE SEON</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_KR20210051671A3</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>eng ; kor</language><creationdate>2021</creationdate><topic>ELECTRIC COMMUNICATION TECHNIQUE</topic><topic>ELECTRICITY</topic><topic>TRANSMISSION</topic><topic>WIRELESS COMMUNICATIONS NETWORKS</topic><toplevel>online_resources</toplevel><creatorcontrib>LEE SUNG JAE</creatorcontrib><creatorcontrib>JANG JAE SEON</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>LEE SUNG JAE</au><au>JANG JAE SEON</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>Beam sweeping apparatus and method for mobile communication system</title><date>2021-05-10</date><risdate>2021</risdate><abstract>Disclosed are a beam sweeping apparatus and method for a mobile communication system. In accordance with an embodiment of the present invention, the beam sweeping apparatus for the mobile communication system comprises: a beam sweeping execution unit which transmits a plurality of common beams with unique SSB index for each of them in accordance with a first beam sweeping pattern for a certain cycle for a first time in the order of the allocated SSB indices, and executes the beam sweeping; an SSB index information collection unit which checks the PRACH preamble received from terminals receiving the common beam by the beam sweeping for the first time, and collects the SSB index information mapped on the PRACH preamble; and a beam sweeping pattern determination unit which transmits the first beam sweeping pattern based on the collected SSB index information by selecting only the corresponding common beams corresponding to the collected SSB index information among the plurality of common beams, or by changing the transmission order of the corresponding common beams, or by changing the transmission directions of the other common beams than the corresponding common beams. The present invention aims to provide a beam sweeping apparatus and method for a mobile communication system, which are able to improve the quality and reliability of mobile communication service. 이동통신시스템의 빔 스위핑 장치 및 방법이 개시된다. 본 발명의 일 실시예에 따른 이동통신시스템의 빔 스위핑 장치는, 제1 시간 동안 일정 주기마다 제1 빔 스위핑 패턴에 따라, 각각 고유의 SSB 인덱스가 할당된 복수의 커먼 빔을, 할당된 SSB 인덱스의 순서로 전송하여 빔 스위핑을 수행하는 빔 스위핑 수행부; 상기 제1 시간 동안 상기 빔 스위핑에 의한 커먼 빔을 수신한 단말들로부터 수신되는 PRACH 프리앰블을 확인하여, 상기 PRACH 프리앰블에 매핑된 SSB 인덱스 정보를 수집하는 SSB 인덱스 정보 수집부; 및 수집된 SSB 인덱스 정보를 기반으로 상기 제1 빔 스위핑 패턴을, 상기 복수의 커먼 빔 중 상기 수집된 SSB 인덱스 정보에 대응하는 대응 커먼 빔만을 선택하여 전송하거나, 상기 대응 커먼 빔의 전송 순서를 변경하여 전송하거나, 상기 대응 커먼 빔을 제외한 나머지 커먼 빔의 전송 방향들을 변경하여 전송하는 제2 빔 스위핑 패턴으로 변경하도록 결정하는 빔 스위핑 패턴 결정부를 포함한다.</abstract><oa>free_for_read</oa></addata></record>
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subjects ELECTRIC COMMUNICATION TECHNIQUE
ELECTRICITY
TRANSMISSION
WIRELESS COMMUNICATIONS NETWORKS
title Beam sweeping apparatus and method for mobile communication system
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