[특허]Method for acquiring resource region information for PHICH and method of receiving PDCCH

LG ELECTRONICS INC.

Method for acquiring resource region information for PHICH and method of receiving PDCCH

국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	H04W-072/04 H04W-072/02 H04L-005/00 H04L-027/26 H04L-001/18 H04L-001/16
출원번호	US-0839083 (2017-12-12)
등록번호	US-10117243 (2018-10-30)
우선권정보	KR-10-2008-0079740 (2008-08-14)
발명자 / 주소	Ahn, Joon Kui Kim, Bong Hoe Yun, Young Woo Kim, Ki Jun Lee, Jung Hoon Lee, Dae Won Seo, Dong Youn Roh, Dong Wook Yoon, Suk Hyon
출원인 / 주소	LG ELECTRONICS INC.
대리인 / 주소	Lee Hong Degerman Kang Waimey
인용정보	피인용 횟수 : 0 인용 특허 : 51

초록 ▼

A method of acquiring information on a resource region for transmitting PHICH and a method of receiving PDCCH using the same are disclosed. The resource region for transmitting the PHICH can be specified by first information corresponding to the per-sub frame PHICH number and second information corresponding to a duration of the PHICH within the subframe. The first Information can be specified into a form resulting from multiplying a predetermined basic number by a specific constant. And, the specific constant can be transmitted via PBCH. Moreover, the second information can be acquired from the PBCH as well.

대표청구항 ▼

1. A method for a user equipment (UE) to receive a physical downlink control channel (PDCCH) signal transmitted from a base station (BS) via a specific resource region, the method comprising: receiving a physical broadcast channel (PBCH) signal comprising: first information related to a system bandwidth,second information related to a specific constant for physical hybrid ARQ indicator channel (PHICH), andthird information related to a duration of PHICH,wherein the duration of PHICH indicates a number of orthogonal frequency division multiplexing (OFDM) symbols to which a PHICH is mapped;obtaining a value by multiplying a number of resource blocks according to the system bandwidth by the specific constant for PHICH;determining a resource region used for PHICH transmission based on the obtained value and the duration of PHICH; andreceiving the PDCCH signal from the BS via the specific resource region for downlink control information,wherein the specific resource region is determined among resource regions not being used for the PHICH transmission, andwherein the specific resource region is within a resource region having a prescribed number of OFDM symbols that is equal to or greater than the number of OFDM symbols corresponding to the duration of PHICH in a time domain starting from a first OFDM symbol of each subframe. 2. The method of claim 1, wherein the specific constant comprises a positive integer. 3. A user equipment (UE) configured to receive a physical downlink control channel (PDCCH) signal transmitted from a base station (BS) via a specific resource region, the UE comprising: a radio frequency (RF) unit; anda processor operatively connected to the RF unit and configured to: receive a physical broadcast channel (PBCH) signal comprising: first information related to a system bandwidth,second information related to a specific constant for physical hybrid ARQ indicator channel (PHICH), andthird information related to a duration of PHICH,wherein the duration of PHICH signal indicates a number of orthogonal frequency division multiplexing (OFDM) symbols to which a PHICH is mapped;obtain a value by multiplying a number of resource blocks according to the system bandwidth by the specific constant;determine a resource region used for PHICH transmission based on the obtained value and the duration of PHICH; andreceive the PDCCH signal from the BS via the specific resource region for downlink control information,wherein the specific resource region is determined among resource regions not being used for the PHICH transmission, andwherein the specific resource region is within a resource region having a prescribed number of OFDM symbols that is equal to or greater than the number of OFDM symbols corresponding to the duration of PHICH in a time domain starting from a first OFDM symbol of each subframe. 4. The UE of claim 3, wherein the specific constant comprises a positive integer.

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IPC	Description
A	생활필수품
A62	인명구조; 소방(사다리 E06C)
A62B	인명구조용의 기구, 장치 또는 방법(특히 의료용에 사용되는 밸브 A61M 39/00; 특히 물에서 쓰이는 인명구조 장치 또는 방법 B63C 9/00; 잠수장비 B63C 11/00; 특히 항공기에 쓰는 것, 예. 낙하산, 투출좌석 B64D; 특히 광산에서 쓰이는 구조장치 E21F 11/00)
A62B-1/08	.. 윈치 또는 풀리에 제동기구가 있는 것

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연합인증

Method for acquiring resource region information for PHICH and method of receiving PDCCH

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Method for acquiring resource region information for PHICH and method of receiving PDCCH

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