METHOD FOR TRANSMITTING AND RECEIVING QAM SIGNAL IN FILTER BANK-BASED MULTICARRIER COMMUNICATION SYSTEM, AND APPARATUS THEREFOR

    公开(公告)号:US20170272293A1

    公开(公告)日:2017-09-21

    申请号:US15505244

    申请日:2015-08-19

    Abstract: Disclosed is a 5G or pre-5G communication system to be provided for supporting a data transfer rate higher than that of a 4G communication system, such as LTE, and subsequent systems. The present invention relates to a method for transmitting and receiving a QAM signal in a filter bank-based multicarrier communication system, and an apparatus therefor. Particularly, the present invention provides an efficient transmission and reception method and apparatus capable of obtaining high performance in the transmission of a QAM signal without intrinsic interference in a multi-path delay channel environment in a filter bank-based multicarrier communication system. Accordingly, the present invention relates to a transmission method in a filter bank-based multicarrier (FBMC) communication system, and an apparatus therefor, the method comprising the steps of: spreading each of two QAM signals divided into a plurality of groups to a plurality of signals on a frequency axis; intersecting at least one signal, which is overlapped with a spread signal of an adjacent QAM signal among the plurality of spread signals, with the spread signal of the adjacent QAM signal; filtering, by each of the plurality of groups, the plurality of spread signals of which at least one signal has been intersected; and transmitting the plurality of filtered spread signals by being overlapped on a time axis.

    Methods and apparatus for transmitting RACH in wireless communication system

    公开(公告)号:US11595990B2

    公开(公告)日:2023-02-28

    申请号:US16193726

    申请日:2018-11-16

    Abstract: The present disclosure relates to a pre-5th-Generation (5G) or 5G communication system to be provided for supporting higher data rates Beyond 4th-Generation (4G) communication system such as Long Term Evolution (LTE). A method for operating a terminal in a wireless communication system includes receiving configuration information regarding a random access channel (RACH) from a base station, and transmitting a RACH preamble based on the configuration information. The configuration information includes information indicating the number of RACH transmission occasions in a frequency axis. A terminal includes a processor configured to receive configuration information regarding a RACH from a base station, and transmit a RACH preamble according to the configuration information, wherein the configuration information includes information indicating the number of RACH transmission occasions in a frequency axis.

    Device and method for supporting different services in wireless communication system

    公开(公告)号:US11296824B2

    公开(公告)日:2022-04-05

    申请号:US16609167

    申请日:2018-04-04

    Abstract: The present disclosure relates to 5th generation (5G) or pre-5G communication system for supporting a higher data transmission rate beyond a 4th generation (4G) communication system such as long term evolution (LTE). An operation method of a base station in a wireless communication system comprises the steps of: reallocating a resource, which has been allocated to a first service, to a second service in order to provide the second service; transmitting control information related to at least one reference signal punctured for reallocation of the resource; and transmitting the at least one punctured reference signal via a resource different from the resource having been allocated to the second service.

    METHOD AND DEVICE FOR PROVIDING DIFFERENT SERVICES IN MOBILE COMMUNICATION SYSTEM

    公开(公告)号:US20210100008A1

    公开(公告)日:2021-04-01

    申请号:US17117087

    申请日:2020-12-09

    Abstract: The present disclosure relates to a method and device for providing different services in a mobile communication system. In an embodiment, a base station sets interference influence information including information about interference of a second signal of a second system using a second TTI with regard to a first signal of a first system using a first transmission time interval (TTI). Also, the base station transmits the first signal of the first system to a terminal, and transmits the interference influence information to the terminal in a predetermined time. In a situation where different services coexist, an HARQ retransmission technique is provided for effectively overcoming a transmission failure caused by influence of interference between services.

    Method and device for providing different services in mobile communication system

    公开(公告)号:US10887889B2

    公开(公告)日:2021-01-05

    申请号:US15614432

    申请日:2017-06-05

    Abstract: The present disclosure relates to a method and device for providing different services in a mobile communication system. In an embodiment, a base station sets interference influence information including information about interference of a second signal of a second system using a second. TTI with regard to a first signal of a first system using a first transmission time interval (TTI). Also, the base station transmits the first signal of the first system to a terminal, and transmits the interference influence information to the terminal in a predetermined time. In a situation where different services coexist, an HARQ retransmission technique is provided for effectively overcoming a transmission failure caused by influence of interference between services.

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