# US 8,787,194 B2 · Method of performing cell measurement and method of providing information for cell measurement > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 8,787,194 B2 - Document ID: US8787194B2 - Status: Granted - Kind: B2 - Application number: 13/529,448 - Filed: 2012-06-21 - Published: 2013-03-07 - Granted: 2014-07-22 - Earliest claimed: 2011-09-05 - Assignees: LG Electronics Inc. - Applicants: Yoonoh Yang; Suhwan Lim; Manyoung Jung; Sangwook Lee - Inventors: Yoonoh Yang; Suhwan Lim; Manyoung Jung; Sangwook Lee - Web page: https://patentgrep.com/patent/US8787194B2 ## CPC - H04L 27/261: {Details of reference signals} - H04B 17/309: Measuring or estimating channel quality parameters - H04L 5/0053: {Allocation of signalling, i.e. of overhead other than pilot signals} - H04L 27/2602: {Signal structure} - H04W 24/08: Testing, {supervising or monitoring} using real traffic - H04W 36/0094: {Definition of hand-off measurement parameters} - H04W 36/302: {due to low signal strength} - H04W 72/0446: Resources in time domain, e.g. slots or frames - H04L 5/001: {the frequencies being arranged in component carriers} - H04L 27/2636: {with FFT or DFT modulators, e.g. standard single-carrier frequency-division multiple access [SC-FDMA] transmitter or DFT spread orthogonal frequency division multiplexing [DFT-SOFDM]} - H04L: TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION (arrangements common to telegraphic and telephonic communication H04M) - H04B: TRANSMISSION - H04W: WIRELESS COMMUNICATION NETWORKS (broadcast communication H04H; communication systems using wireless links for non-selective communication, e.g. wireless extensions H04M1/72) ## Abstract A method of providing information for cell measurement is provided. In the method, a first cell obtains a first pattern information indicating a subframe for performing measurement with respect a second cell. The first cell configures a subframe for performing measurement, which is different from that for performing measurement with respect the second cell. The first cell transmits a second pattern information on the subframe configured by the first cell to a user equipment (UE). ## Claims ### Claim 1 A method of providing information for cell measurement, the method comprising: configuring a subframe for performing a first measurement with respect to a first cell, wherein a first position performing the first measurement is different from a second position performing a second measurement with respect to a second cell; and transmitting, from the first cell to a user equipment (UE), first pattern information indicating the first position and second pattern information indicating the second position, wherein the first and second pattern information indicate the first position and the second position as a bit ‘1’, respectively, wherein the first and second pattern information indicate at least one subframe per a radio frame, used for performing the measurements, and wherein a first subframe corresponding to the first pattern information is included in non-ABS (Almost Blank Subframe) subframes of the first cell, and a second subframe corresponding to the second pattern information is included in ABS subframes of the first cell. ### Claim 2 (depends on 1) The method of claim 1, wherein the first or second pattern information is represented as a bit stream, and a first bit of the bit stream corresponds to a zeroth subframe of a frame satisfying single frequency network (SFN) mod x=0, and wherein the x denotes a size obtained by dividing 10 into the bit stream, and the SFN denotes a system frame number. ### Claim 3 (depends on 1) The method of claim 1, wherein the first or second pattern information is a time domain measurement resource restriction pattern or measSubframePattern. ### Claim 4 (depends on 1) The method of claim 1, wherein the first pattern information is measSubframePattern-Serv, and the second pattern information is measSubframePattern-Neigh. ### Claim 5 (depends on 1) The method of claim 1, wherein the second pattern information is received through X2 interface-based signaling. ### Claim 6 (depends on 1) The method of claim 1, wherein the first and second pattern information is transmitted through a radio resource control (RRC) message. ### Claim 7 (depends on 6) The method of claim 6, wherein the RRC message is an RRC connection reconfiguration message. ### Claim 8 (depends on 1) The method of claim 1, wherein the first measurement and the second measurement include measuring at least one of a reference signal received power (RSRP) and a reference signal received quality (RSRQ) using a cell-specific reference signal (CRS). ### Claim 9 A method of performing measurements in a UE placed within a coverage of a serving cell and a coverage of a neighboring cell, the method comprising: transceiving signals; and performing measurements on the serving cell and the neighboring cell on different positions in a subframe according to first pattern information and second pattern information, respectively, wherein the first pattern information and the second pattern information indicate the different positions for the measurements as a bit ‘1’, respectively, wherein the first pattern information and the second pattern information indicate at least one subframe per a radio frame, used for performing the measurements, and wherein a first subframe corresponding to the first pattern information is included in non-ABS (Almost Blank Subframe) subframes of the first cell, and a second subframe corresponding to the second pattern information is included in ABS subframes of the first cell. ### Claim 10 (depends on 9) The method of claim 9, wherein the first or second pattern information is represented as a bit stream, and a first bit of the bit stream corresponds to a zeroth subframe of a frame satisfying single frequency network (SFN) mod x=0, and wherein the x denotes a size obtained by dividing 10 into the bit stream, and the SFN denotes a system frame number. ### Claim 11 (depends on 9) The method of claim 9, wherein the first or second pattern information is a time domain measurement resource restriction pattern or measSubframePattern. ### Claim 12 (depends on 9) The method of claim 9, wherein the first pattern information is measSubframePattern-Neigh, or the second pattern information is measSubframePattern-Serv. ### Claim 13 (depends on 9) The method of claim 9, wherein the measurements include measuring at least one of a reference signal received power (RSRP) and a reference signal received quality (RSRQ) using a cell-specific reference signal (CRS). ### Claim 14 A base station comprising: a transceiver to transceive signals; and a controller configured to: configure a subframe for performing a first measurement with respect to the base station, wherein a first position performing the first measurement is different from a second position performing a second measurement with respect to a neighboring cell; and transmit first pattern information indicating the first position and second pattern information indicating the second position, wherein the first and second pattern information indicate the first position and the second position as a bit ‘1’, respectively, wherein the first and second pattern information indicate at least one subframe per a radio frame, used for performing the measurements, and wherein a first subframe corresponding to the first pattern information is included in non-ABS (Almost Blank Subframe) subframes of the first cell, and a second subframe corresponding to the second pattern information is included in ABS subframes of the first cell. ### Claim 15 (depends on 14) The base station of claim 14, wherein the first pattern information is measSubframePattern-Serv, or the second pattern information is measSubframePattern-Neigh. ### Claim 16 (depends on 14) The base station of claim 14, wherein the first or second pattern information is represented as a bit stream, and a first bit of the bit stream corresponds to a zeroth subframe of a frame satisfying SFN mod x=0, and wherein the x denotes a size obtained by dividing 10 into the bit stream, and the SFN denotes a system frame number. ### Claim 17 (depends on 14) The base station of claim 14, wherein the first or second pattern information is a time domain measurement resource restriction pattern or measSubframePattern. ### Claim 18 (depends on 14) The base station of claim 14, wherein the second pattern information is received through X2 interface-based signaling. ### Claim 19 (depends on 14) The base station of claim 14, wherein the transmitter transmits the first pattern information through a radio resource control (RRC) message. ### Claim 20 (depends on 19) The base station of claim 19, wherein the RRC message is an RRC connection reconfiguration message. ### Claim 21 A terminal comprising: a transceiver to transceive signals; and a controller configured to: perform a first measurement with respect to a serving cell and a second measurement with respect to a neighboring cell on different positions in a subframe according to first pattern information and second pattern information, respectively, when the terminal is located within a coverage of the serving cell and a coverage of the neighboring cell, wherein the first pattern information and the second pattern information indicate the different positions for the measurements as a bit ‘1’, respectively, wherein the first pattern information and the second pattern information indicate at least one subframe per radio frame, used for performing the measurements, and wherein a first subframe corresponding to the first pattern information is included in non-ABS (Almost Blank Subframe) subframes of the first cell, and a second subframe corresponding to the second pattern information is included in ABS subframes of the first cell. ### Claim 22 (depends on 21) The user terminal of claim 21, wherein the pattern information is a time domain measurement resource restriction pattern or measSubframePattern. ### Claim 23 (depends on 21) The user terminal of claim 21, wherein the first pattern information is measSubframePattern-Neigh, or the second pattern information is measSubframePattern-Serv. ### Claim 24 (depends on 21) The user terminal of claim 21, wherein the controller measures at least one of a reference signal received power (RSRP) and a reference signal received quality (RSRQ) using a cell-specific reference signal (CRS).