# US 10,122,488 B2 · Method for transreceiving signals using user-specific flexible TDD technology in wireless communication system and device for same > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 10,122,488 B2 - Document ID: US10122488B2 - Status: Granted - Kind: B2 - Application number: 15/110,226 - Filed: 2014-10-16 - Published: 2016-11-10 - Granted: 2018-11-06 - Earliest claimed: 2014-02-18 - Assignees: LG Electronics Inc. - Applicants: LG Electronics Inc. - Inventors: Jaehoon Chung; Genebeck Hahn; Eunjong Lee; Jinmin Kim; Kukheon Choi; Kwangseok Noh - Web page: https://patentgrep.com/patent/US10122488B2 ## CPC - H04J 11/0023: {Interference mitigation or co-ordination (direct sequence spread spectrum [DSSS] systems H04B1/7097; frequency hopping H04B1/713; allocation criteria for ingress interference avoidance H04L5/0062; frequency allocation criteria for requirements on out-of-channel emissions H04L5/0066; arrangements for removing intersymbol interference or baseband equalisers H04L25/03006; peak power aspects in multicarrier modulation H04L27/2614; power management H04W52/00; traffic scheduling H04W72/54, H04W72/541)} - H04B 7/2656: {for structure of frame, burst} - H04H 20/38: Arrangements for distribution where lower stations, e.g. receivers, interact with the broadcast - H04L 5/14: Two-way operation using the same type of signal, i.e. duplex - H04L 69/22: Parsing or analysis of headers - H04W 72/0446: Resources in time domain, e.g. slots or frames - H04W 72/21: in the uplink direction of a wireless link, i.e. towards the network - H04W 72/23: in the downlink direction of a wireless link, i.e. towards a terminal - H04J: MULTIPLEX COMMUNICATION (transmission in general H04B; peculiar to transmission of digital information H04L5/00; systems for the simultaneous or sequential transmission of more than one television signal H04N7/08; in exchanges H04Q11/00; stereophonic systems H04S) - H04B: TRANSMISSION - H04H: BROADCAST COMMUNICATION (multiplex communication H04J; pictorial communication aspects of broadcast systems H04N) - H04L: TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION (arrangements common to telegraphic and telephonic communication H04M) - H04W: WIRELESS COMMUNICATION NETWORKS (broadcast communication H04H; communication systems using wireless links for non-selective communication, e.g. wireless extensions H04M1/72) ## Abstract Disclosed in the present application is a method for transreceiving signals between a base station and user equipment in wireless communication system. Specifically, the method comprises a step of transreceiving the signals with the base station, in units of a wireless frame comprising at least one user equipment-shared time resource interval and at least one user equipment-specific time resource interval, wherein the at least one user equipment-specific time resource interval is a time resource interval for transreceiving data between the base station and the user equipment, and wherein the at least one user equipment-shared time resource interval is a time resource interval for transreceiving signals for measuring interference. ## Claims ### Claim 1 A method for transmitting and receiving signals to and from a Base Station (BS), by a User Equipment (UE), in a wireless communication system, the method comprising: when a physical random access channel (PRACH) transmission overlaps with an interference measurement signal transmission in a first subframe of a UE-common time resource interval of a time division duplex (TDD) radio frame and the UE incurs interference, transmitting an interference measurement signal in the first subframe of the UE-common time resource interval, the TDD radio frame including at least one UE-common time resource interval and at least one UE-specific flexible time resource interval; discarding the PRACH transmission in the first subframe of the UE-common time resource interval; receiving, when the BS incurs the interference, the interference measurement signal in a second subframe of the UE-common time resource interval of the TDD radio frame; and transmitting and receiving data to and from the BS in a UE-specific flexible time resource interval of the TDD radio frame, and wherein the UE-common time resource interval is composed of three subframes in the order of a downlink subframe, a special subframe, and an uplink subframe, wherein the first subframe corresponds to the special subframe or the uplink subframe of the UE-common time resource interval, and wherein the second subframe corresponds to the downlink subframe of the UE-common time resource interval. ### Claim 2 (depends on 1) The method according to claim 1, further comprising: receiving information about frequency resources for transmitting the interference measurement signal from the BS. ### Claim 3 (depends on 1) The method according to claim 1, further comprising: receiving system broadcasting information within the downlink subframe of the UE-common time resource interval. ### Claim 4 A User Equipment (UE) in a wireless communication system, the UE comprising; a wireless communication module; and a processor that controls the wireless communication module to: when a physical random access channel (PRACH) transmission overlaps with an interference measurement signal transmission in a first subframe of a UE-common time resource interval of a time division duplex (TDD) radio frame and the UE incurs interference, transmit an interference measurement signal in a first subframe of a UE-common time resource interval, the TDD radio frame including at least one UE-common time resource interval and at least one UE-specific flexible time resource interval, wherein the processor is further configured to discard the PRACH transmission in the first subframe of the UE-common time resource interval; receive, when a base station (BS) incurs the interference, the interference measurement signal in a second subframe of the UE-common time resource interval, and transmit and receive data to and from the BS in a UE-specific flexible time resource interval of the TDD radio frame, wherein the UE-common time resource interval is composed of three subframes in the order of a downlink subframe, a special subframe, and an uplink subframe, wherein the first subframe corresponds to the special subframe or the uplink subframe of the UE-common time resource interval, and wherein the second subframe corresponds to the downlink subframe of the UE-common time resource interval. ### Claim 5 (depends on 4) The UE according to claim 4, wherein the processor further controls the wireless communication module to: receive information about frequency resources for transmitting the interference measurement signal from the BS. ### Claim 6 (depends on 4) The UE according to claim 4, wherein the processor further controls the wireless communication module to: receive system broadcasting information within the downlink subframe of the UE-common time resource interval.