# US 2013/0157650 A1 · Method and apparatus for unplanned deployment of base stations > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 2013/0157650 A1 - Document ID: US20130157650A1 - Status: Published application - Kind: A1 - Application number: 13/526,846 - Filed: 2012-06-19 - Published: 2013-06-20 - Earliest claimed: 2011-06-20 - Assignees: QUALCOMM Incorporated - Inventors: Mehmet Yavuz; Matt Stuart Grob; Varun Khaitan - Web page: https://patentgrep.com/patent/US20130157650A1 ## CPC - H04W 24/10: Scheduling measurement reports {; Arrangements for measurement reports} - H04L 47/6225: {Fixed service order, e.g. Round Robin} - H04W 24/02: Arrangements for optimising operational condition - H04W 52/244: {Interferences in heterogeneous networks, e.g. among macro and femto or pico cells or other sector / system interference [OSI]} - H04W 52/26: using transmission rate or quality of service QoS [Quality of Service] - H04W 72/542: using measured or perceived quality - H04W 16/16: for PBS [Private Base Station] arrangements - H04W 84/045: {using private Base Stations, e.g. femto Base Stations, home Node B} - H04W: WIRELESS COMMUNICATION NETWORKS (broadcast communication H04H; communication systems using wireless links for non-selective communication, e.g. wireless extensions H04M1/72) - H04L: TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION (arrangements common to telegraphic and telephonic communication H04M) ## Abstract Methods and apparatuses are provided that include deploying a femto node in a wireless network. The femto node can measure received signal quality upon initialization in a wireless network and/or according to a timing. The femto node can determine whether to communicate in the wireless network based on comparing the received signal quality to a threshold signal quality. The timing can be determined based on various factors to ensure fairness among femto nodes initializing in the wireless network. A centralized entity can be used to determine the timing and/or whether a femto node should communicate. ## Claims ### Claim 1 A method for deploying a femto node in a wireless network, comprising: determining a timing for measuring a received signal quality in the wireless network; measuring the received signal quality based on the timing; and determining whether to communicate in the wireless network based in part on comparing the received signal quality to a threshold signal quality. ### Claim 2 (depends on 1) The method of claim 1, wherein the timing corresponds to a timing offset following initialization of a calibration period during which a plurality of femto nodes refrain from communicating in the wireless network. ### Claim 3 (depends on 1) The method of claim 1, wherein the determining comprises receiving the timing from a centralized entity. ### Claim 4 (depends on 1) The method of claim 1, wherein the determining comprises computing the timing as a random function. ### Claim 5 (depends on 1) The method of claim 1, wherein the determining comprises computing the timing as a pseudorandom function based on a femto node identifier. ### Claim 6 (depends on 1) The method of claim 1, wherein the determining comprises shifting a previous timing to determine the timing. ### Claim 7 (depends on 1) The method of claim 1, wherein the determining the timing is based on one or more parameters of other femto nodes. ### Claim 8 (depends on 7) The method of claim 7, wherein the one or more parameters comprise an indication from the other femto nodes of other timings used by the other femto nodes to measure received signal quality. ### Claim 9 (depends on 8) The method of claim 8, further comprising receiving the indication from the other femto nodes over the air or over a backhaul. ### Claim 10 (depends on 7) The method of claim 7, further comprising determining a number of transmission opportunities over a period of time, wherein the one or more parameters comprise other transmission opportunities of the other femto nodes over the period of time, and determining the timing is based on comparing the number of transmission opportunities to the other transmission opportunities. ### Claim 11 (depends on 1) The method of claim 1, wherein the determining whether to communicate in the wireless network comprises determining a transmit power for communicating in the wireless network based in part on comparing the received signal quality to the threshold signal quality. ### Claim 12 (depends on 1) The method of claim 1, wherein the measuring the received signal quality is based on measuring signals received from one or more nodes in the wireless network. ### Claim 13 An apparatus for deploying a femto node in a wireless network, comprising: at least one processor configured to: determine a timing for measuring a received signal quality in the wireless network; measure the received signal quality based on the timing; and determine whether to communicate in the wireless network based in part on comparing the received signal quality to a threshold signal quality; and a memory coupled to the at least one processor. ### Claim 14 (depends on 13) The apparatus of claim 13, wherein the timing corresponds to a timing offset following initialization of a calibration period during which a plurality of femto nodes refrain from communicating in the wireless network. ### Claim 15 (depends on 13) The apparatus of claim 13, wherein the at least one processor determines the timing based on the timing received from a centralized entity. ### Claim 16 (depends on 13) The apparatus of claim 13, wherein the at least one processor determines the timing based on computing the timing as a random function or as a pseudorandom function based on a femto node identifier. ### Claim 17 (depends on 13) The apparatus of claim 13, wherein the at least one processor determines the timing based on shifting a previous timing. ### Claim 18 An apparatus for deploying a femto node in a wireless network, comprising: means for determining a timing for measuring a received signal quality in the wireless network and measuring the received signal quality based on the timing; and means for determining whether to communicate in the wireless network based in part on comparing the received signal quality to a threshold signal quality. ### Claim 19 (depends on 18) The apparatus of claim 18, wherein the timing corresponds to a timing offset following initialization of a calibration period where a plurality of femto nodes refrain from communicating in the wireless network. ### Claim 20 (depends on 18) The apparatus of claim 18, wherein the means for determining determines the timing based on the timing received from a centralized entity. ### Claim 21 (depends on 18) The apparatus of claim 18, wherein the means for determining determines the timing based on computing the timing as a random function or as a pseudorandom function based on a femto node identifier. ### Claim 22 (depends on 18) The apparatus of claim 18, wherein the means for determining determines the timing based on shifting a previous timing. ### Claim 23 A computer program product for deploying a femto node in a wireless network, comprising: a non-transitory computer-readable medium, comprising: code for causing at least one computer to determine a timing for measuring a received signal quality in the wireless network; code for causing the at least one computer to measure the received signal quality based on the timing; and code for causing the at least one computer to determine whether to communicate in the wireless network based in part on comparing the received signal quality to a threshold signal quality. ### Claim 24 (depends on 23) The computer program product of claim 23, wherein the timing corresponds to a timing offset following initialization of a calibration period where a plurality of femto nodes refrain from communicating in the wireless network. ### Claim 25 (depends on 23) The computer program product of claim 23, wherein the code for causing the at least one computer to determine determines the timing based on the timing received from a centralized entity. ### Claim 26 (depends on 23) The computer program product of claim 23, wherein the code for causing the at least one computer to determine determines the timing based on computing the timing as a random function or as a pseudorandom function based on a femto node identifier. ### Claim 27 (depends on 23) The computer program product of claim 23, wherein the code for causing the at least one computer to determine determines the timing based on shifting a previous timing. ### Claim 28 An apparatus for deploying a femto node in a wireless network, comprising: a parameter measuring component for determining a timing for measuring a received signal quality in the wireless network and measuring the received signal quality based on the timing; and a transmit determining component for determining whether to communicate in the wireless network based in part on comparing the received signal quality to a threshold signal quality. ### Claim 29 (depends on 28) The apparatus of claim 28, wherein the timing corresponds to a timing offset following initialization of a calibration period where a plurality of femto nodes refrain from communicating in the wireless network. ### Claim 30 (depends on 28) The apparatus of claim 28, further comprising a transmit parameter receiving component for receiving the timing from a centralized entity. ### Claim 31 (depends on 28) The apparatus of claim 28, wherein the parameter measuring component determines the timing based on computing the timing as a random function. ### Claim 32 (depends on 28) The apparatus of claim 28, wherein the parameter measuring component determines the timing based on computing the timing as a pseudorandom function based on a femto node identifier. ### Claim 33 (depends on 28) The apparatus of claim 28, wherein the parameter measuring component determines the timing based on shifting a previous timing. ### Claim 34 (depends on 28) The apparatus of claim 28, wherein the parameter measuring component determines the timing based on one or more parameters of other femto nodes. ### Claim 35 (depends on 34) The apparatus of claim 34, wherein the one or more parameters comprise an indication from the other femto nodes of other timings used by the other femto nodes to measure received signal quality. ### Claim 36 (depends on 35) The apparatus of claim 35, wherein the parameter measuring component receives the indication from the other femto nodes over the air or over a backhaul. ### Claim 37 (depends on 34) The apparatus of claim 34, wherein the parameter measuring component determines a number of transmission opportunities over a period of time, the one or more parameters comprise other transmission opportunities of the other femto nodes over the period of time, and determines the timing based on comparing the number of transmission opportunities to the other transmission opportunities. ### Claim 38 (depends on 28) The apparatus of claim 28, wherein the transmit determining component determines whether to communicate in the wireless network based on determining a transmit power for communicating in the wireless network based in part on comparing the received signal quality to the threshold signal quality. ### Claim 39 (depends on 28) The apparatus of claim 28, wherein the parameter measuring component measures the received signal quality based on measuring signals received from one or more nodes in the wireless network. ### Claim 40 A method for deploying a femto node in a wireless network, comprising: determining a timing for a femto node to measure received signal quality in the wireless network to determine whether to communicate; and commanding the femto node to measure received signal quality based on the timing. ### Claim 41 (depends on 40) The method of claim 40, wherein the determining the timing is based in part on comparing a number of transmission opportunities of the femto node over a period of time to other transmission opportunities of other femto nodes over the period of time. ### Claim 42 (depends on 40) The method of claim 40, wherein the determining the timing is based in part on a random function. ### Claim 43 (depends on 40) The method of claim 40, wherein the determining the timing is based in part on a pseudorandom function of an identifier of the femto node. ### Claim 44 (depends on 40) The method of claim 40, further comprising commanding the femto node to initialize a calibration period before measuring the received signal quality, wherein the commanding the femto node to measure received signal quality comprises providing the femto node with a timing offset from the calibration period for measuring received signal quality. ### Claim 45 (depends on 40) The method of claim 40, wherein the determining the timing is based in part on determining that the femto node reports received signal quality over a threshold signal quality for at least a number of reporting periods. ### Claim 46 An apparatus for deploying a femto node in a wireless network, comprising: at least one processor configured to: determine a timing for a femto node to measure received signal quality in the wireless network to determine whether to communicate; and command the femto node to measure received signal quality based on the timing; and a memory coupled to the at least one processor. ### Claim 47 (depends on 46) The apparatus of claim 46, wherein the at least one processor determines the timing based in part on comparing a number of transmission opportunities of the femto node over a period of time to other transmission opportunities of other femto nodes over the period of time. ### Claim 48 (depends on 46) The apparatus of claim 46, wherein the at least one processor determines the timing based in part on a random function or a pseudorandom function of an identifier of the femto node. ### Claim 49 (depends on 46) The apparatus of claim 46, wherein the at least one processor is further configured to command the femto node to initialize a calibration period before measuring the received signal quality, wherein the at least one processor commands the femto node to measure received signal quality by providing the femto node with a timing offset from the calibration period for measuring received signal quality. ### Claim 50 An apparatus for deploying a femto node in a wireless network, comprising: means for determining a timing for a femto node to measure received signal quality in the wireless network to determine whether to communicate; and means for commanding the femto node to measure received signal quality based on the timing. ### Claim 51 (depends on 50) The apparatus of claim 50, wherein the means for determining determines the timing based in part on comparing a number of transmission opportunities of the femto node over a period of time to other transmission opportunities of other femto nodes over the period of time. ### Claim 52 (depends on 50) The apparatus of claim 50, wherein the means for determining determines the timing based in part on a random function or a pseudorandom function of an identifier of the femto node. ### Claim 53 (depends on 50) The apparatus of claim 50, wherein the means for commanding commands the femto node to initialize a calibration period before measuring the received signal quality, and commands the femto node to measure received signal quality by providing the femto node with a timing offset from the calibration period for measuring received signal quality. ### Claim 54 A computer program product for deploying a femto node in a wireless network, comprising: a non-transitory computer-readable medium, comprising: code for causing at least one computer to determine a timing for a femto node to measure received signal quality in the wireless network to determine whether to communicate; and code for causing the at least one computer to command the femto node to measure received signal quality based on the timing. ### Claim 55 (depends on 54) The computer program product of claim 54, wherein the code for causing the at least one computer to determine determines the timing based in part on comparing a number of transmission opportunities of the femto node over a period of time to other transmission opportunities of other femto nodes over the period of time. ### Claim 56 (depends on 54) The computer program product of claim 54, wherein the code for causing the at least one computer to determine determines the timing based in part on a random function or a pseudorandom function of an identifier of the femto node. ### Claim 57 (depends on 54) The computer program product of claim 54, wherein the computer-readable medium further comprises code for causing the at least one computer to command the femto node to initialize a calibration period before measuring the received signal quality, wherein the code for causing the at least one computer to command commands the femto node to measure received signal quality by providing the femto node with a timing offset from the calibration period for measuring received signal quality. ### Claim 58 An apparatus for deploying a femto node in a wireless network, comprising: a transmit parameter determining component for determining a timing for a femto node to measure received signal quality in the wireless network to determine whether to communicate; and a transmit parameter indicating component for commanding the femto node to measure received signal quality based on the timing. ### Claim 59 (depends on 58) The apparatus of claim 58, wherein the transmit parameter determining component determines the timing based in part on comparing a number of transmission opportunities of the femto node over a period of time to other transmission opportunities of other femto nodes over the period of time. ### Claim 60 (depends on 58) The apparatus of claim 58, wherein the transmit parameter determining component determines the timing based in part on a random function. ### Claim 61 (depends on 58) The apparatus of claim 58, wherein the transmit parameter determining component determines the timing based in part on a pseudorandom function of an identifier of the femto node. ### Claim 62 (depends on 58) The apparatus of claim 58, wherein the transmit parameter indicating component commands the femto node to initialize a calibration period before measuring the received signal quality, and commands the femto node to measure received signal quality by providing the femto node with a timing offset from the calibration period for measuring received signal quality. ### Claim 63 (depends on 58) The apparatus of claim 58, wherein the transmit parameter determining component determines the timing based in part on determining that the femto node reports received signal quality over a threshold signal quality for at least a number of reporting periods.