# US 2014/0192757 A1 · Method and device for acquiring resource for uplink control channel in wireless communication system > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 2014/0192757 A1 - Document ID: US20140192757A1 - Status: Published application - Kind: A1 - Application number: 14/237,663 - Filed: 2012-08-10 - Published: 2014-07-10 - Earliest claimed: 2011-09-19 - Assignees: LG Electronics Inc. - Inventors: Hyun Woo Lee; Hyuk Min Son; Hye Young Choi; Seung Hee Han; Jin Min Kim - Web page: https://patentgrep.com/patent/US20140192757A1 ## CPC - H04L 5/0055: {Physical resource allocation for ACK/NACK (for physical mapping arrangements in ARQ protocols H04L1/1861)} - H04L 1/1671: {the supervisory signal being transmitted together with control information} - H04L 1/1861: {Physical mapping arrangements (for ACK signaling see also H04L5/0053)} - H04L 5/001: {the frequencies being arranged in component carriers} - H04L 5/0053: {Allocation of signalling, i.e. of overhead other than pilot signals} - H04L 5/0007: {the frequencies being orthogonal, e.g. OFDM(A) or DMT} - H04L 5/0035: {Resource allocation in a cooperative multipoint environment} - H04W 72/04: Wireless resource allocation - 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 Provided are a method and device for acquiring a PUCCH (physical uplink control channel) resource index in a wireless communication system. A terminal acquires a PUCCH resource index indicating a dynamic PUCCH region corresponding to an e-PDCCH (enhanced physical downlink control channel). The PUCCH resource index is acquired based on the smallest CCE (control channel element) index wherein the e-PDCCH is allocated, and a first dynamic PUCCH region corresponding to the e-PDCCH is not overlapped with the dynamic PUCCH region corresponding to PDCCH. ## Claims ### Claim 1 A method for acquiring, by a user equipment, a physical uplink control channel (PUCCH) resource index in a wireless communication system, the method comprising: acquiring a PUCCH resource index indicating a first dynamic PUCCH region corresponding to an enhanced physical downlink control channel (e-PDCCH); and transmitting an acknowledgement/non-acknowledgement (ACK/NACK) signal to a base station based on the acquired PUCCH resource index, wherein the PUCCH resource index is acquired based on the smallest control channel element (CCE) index to which the e-PDCCH is allocated, and wherein the first dynamic PUCCH region corresponding to the e-PDCCH is not overlapped with a second dynamic PUCCH region corresponding to a PDCCH. ### Claim 2 (depends on 1) The method of claim 1, wherein the first dynamic PUCCH region is allocated in a static PUCCH format 1/1a/1b region. ### Claim 3 (depends on 2) The method of claim 2, wherein the first dynamic PUCCH region is allocated in a direction in which an index is increased from a start point of the static PUCCH format 1/1a/1b region. ### Claim 4 (depends on 2) The method of claim 2, wherein the first dynamic PUCCH region is allocated in a direction in which an index is increased from an index separated from a start point of the static PUCCH format 1/1a/1b region by an offset. ### Claim 5 (depends on 2) The method of claim 2, wherein the first dynamic PUCCH region is allocated in a direction in which an index is decreased from an end point of the static PUCCH format 1/1a/1b region. ### Claim 6 (depends on 2) The method of claim 2, wherein the first dynamic PUCCH region is allocated in a direction in which an index is increased from an index separated from an end point of the static PUCCH format 1/1a/1b region by the offset. ### Claim 7 (depends on 1) The method of claim 1, wherein the e-PDCCH is allocated to a data region in a subframe. ### Claim 8 (depends on 1) The method of claim 1, wherein the PUCCH resource index is acquired based on an offset. ### Claim 9 (depends on 8) The method of claim 8, wherein the offset is applied to the smallest CCE index to which the e-PDCCH is allocated. ### Claim 10 (depends on 8) The method of claim 8, wherein the offset is applied to a search space to which the e-PDCCH is transmitted. ### Claim 11 (depends on 8) The method of claim 8, wherein the offset is applied to a variable Yk for determining a search space to which the e-PDCCH is transmitted. ### Claim 12 (depends on 8) The method of claim 8, wherein the offset is 1. ### Claim 13 (depends on 8) The method of claim 8, wherein the offset is applied when the smallest CCE index to which the e-PDCCH is allocated or an aggregation level is an even number. ### Claim 14 A user equipment (UE) for acquiring a physical uplink control channel (PUCCH) resource index in a wireless communication system, the UE comprising: a radio frequency (RF) for unit transmitting or receiving a radio signal; and a processor connected to the RF unit, and configured to: acquire a PUCCH resource index indicating a first dynamic PUCCH region corresponding to an enhanced physical downlink control channel (e-PDCCH); and transmit an acknowledgement/non-acknowledgement (ACK/NACK) signal to a base station based on the acquired PUCCH resource index, wherein the PUCCH resource index is acquired based on the smallest control channel element (CCE) index to which the e-PDCCH is allocated, and wherein the first dynamic PUCCH region corresponding to the e-PDCCH is not overlapped with a second dynamic PUCCH region corresponding to a PDCCH.