# US 8,787,923 B2 · Device for managing of base station and method for managing thereof > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 8,787,923 B2 - Document ID: US8787923B2 - Status: Granted - Kind: B2 - Application number: 12/799,654 - Filed: 2010-04-29 - Published: 2011-02-03 - Granted: 2014-07-22 - Earliest claimed: 2009-04-29 - Assignees: Samsung Electronics Co., Ltd.; Electronics and Telecommunications Research Institute - Applicants: Sung Cheol Chang; Won-Ik Kim; Sung Kyung Kim; Hyun-Jae Kim; Chul Sik Yoon; Jee Hwan Ahn - Inventors: Sung Cheol Chang; Won-Ik Kim; Sung Kyung Kim; Hyun-Jae Kim; Chul Sik Yoon; Jee Hwan Ahn - Web page: https://patentgrep.com/patent/US8787923B2 ## CPC - H04W 24/02: Arrangements for optimising operational condition - G01S 5/0289: {of multiple transceivers, e.g. in ad hoc networks} - H04W 48/16: Discovering, processing access restriction or access information - H04W 64/00: Locating users or terminals {or network equipment} for network management purposes, e.g. mobility management - H04W 72/02: Selection of wireless resources by user or terminal - H04W 92/20: between access points - H04W: WIRELESS COMMUNICATION NETWORKS (broadcast communication H04H; communication systems using wireless links for non-selective communication, e.g. wireless extensions H04M1/72) - G01S: RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES ## Abstract A management device of a stopping or moving base station includes: an information acquisition unit that acquires first information about wireless environment from a neighboring base station and that acquires second information about the wireless environment by connecting to a backbone network; a position estimating unit that estimates a position of the neighboring base station based on the first information; and an operation condition selection unit that selects radio resources based on at least one of the first information and the second information. ## Claims ### Claim 1 A management device of a stopped or moving base station, the management device comprising: an information acquisition unit configured to: acquire first information about a wireless environment from a neighboring base station; acquire second information about the wireless environment through a backbone network; and determine whether the acquired first information and the acquired second information have a specified level of effectiveness; a position estimating unit configured to estimate a position of the neighboring base station based on the first information; and an operation condition selection unit configured to: select one of the first information and the second information according to a preferential order of one or more sources of the first information and the second information, the preferential order of the sources determined according to at least one of whether or not the information is measured by an over-the-air receiver (OTAR) function, whether or not the information comprises current or historical information, and whether the information is measured by the portable base station or the neighboring base station; and allocate radio resources based on the selected one of the first information and the second information. ### Claim 2 (depends on 1) The base station management device of claim 1, wherein the first information includes information that is configured to be acquired using the OTAR function. ### Claim 3 (depends on 1) The base station management device of claim 1, wherein the operation condition selection unit comprises: a frequency and sector selection unit; and a preamble selection unit. ### Claim 4 (depends on 3) The base station management device of claim 3, wherein the operation condition selection unit is configured to select the radio resources based on a minimum distance between the base station and the neighboring base station. ### Claim 5 (depends on 4) The base station management device of claim 4, wherein the frequency and sector selection unit is configured to select a frequency bandwidth in which the minimum distance is large, and the preamble selection unit is configured to select a preamble in which the minimum distance is large. ### Claim 6 (depends on 4) The base station management device of claim 4, wherein the minimum distance includes a value found by multiplying √{square root over (3)} by a service radius of the base station. ### Claim 7 (depends on 3) The base station management device of claim 3, wherein the operation condition selection unit is configured to select the radio resources based on the first information. ### Claim 8 (depends on 7) The base station management device of claim 7, wherein the frequency and sector selection unit is configured to select a frequency bandwidth having a small measured value based on a maximum value or an average value of a carrier to interference noise ratio (CINR) or a received signal strength indicator (RSSI) among the first information, and wherein the preamble selection unit is configured to select a preamble having the small measured value. ### Claim 9 (depends on 3) The base station management device of claim 3, wherein the operation condition selection unit is configured to select the radio resources based on a service quality estimating value. ### Claim 10 (depends on 9) The base station management device of claim 9, wherein the frequency and sector selection unit is configured to select a frequency bandwidth in which the service quality estimating value is large, and wherein the preamble selection unit is configured to select a preamble in which the service quality estimating value is large. ### Claim 11 (depends on 1) The base station management device of claim 1, further comprising a transmission power determining unit configured to determine an initial transmission power based on at least one of the first information and the second information. ### Claim 12 (depends on 11) The base station management device of claim 11, wherein the transmission power determining unit is configured to determine the initial transmission power based on a signal to interference ratio (SINR) and an RSSI that are expected in a service radius of the base station. ### Claim 13 (depends on 11) The base station management device of claim 11, wherein the transmission power determining unit is configured to output the initial transmission power via a plurality of steps. ### Claim 14 (depends on 1) The base station management device of claim 1, further comprising an antenna operation state determining unit that is configured to operate an antenna as a sector antenna or an omni antenna according to a state of the base station. ### Claim 15 A method of managing a management device of a stopping or moving base station, the method comprising: acquiring first information about a wireless environment from a neighboring base station; acquiring second information about the wireless environment through a backbone network; verifying that the first information and the second information have a specified level of effectiveness; selecting one of the first information and the second information according to a preferential order of one or more sources of the first information and the second information, the preferential order of the sources determined according to at least one of whether or not the information is measured by an over-the-air receiver (OTAR) function, whether or not the information comprises current or historical information, and whether the information is measured by the portable base station or the neighboring base station; allocating radio resources of the base station according to the selected one of the first information and the second information; and verifying the selected radio resources. ### Claim 16 (depends on 15) The method of claim 15, wherein the verifying of the selected radio resources comprises: using the selected radio resources when a neighboring base station does not select the same radio resources; and repeating acquiring the first information when the neighboring base station selects the same radio resources, and acquiring the second information. ### Claim 17 (depends on 15) The method of claim 15, wherein the radio resources comprise a frequency, a sector, and a preamble. ### Claim 18 (depends on 15) The method of claim 15, wherein the first information includes information that is acquired using the OTAR function. ### Claim 19 (depends on 1) The base station management device of claim 1, further comprising third information associated with a history of the wireless environment, the operation condition selection unit configured to select one of the first information, the second information, and the third information according to the preferential order of the first information, the second information, and the third information. ### Claim 20 (depends on 15) The method of claim 15, wherein the selecting one of the first information, the second information further comprises selecting one of the first information, the second information, and a third information according to a preferential order of the first information, the second information, and the third information, the third information including a history of the wireless environment.