摘要:
A disclosed mobile communication system includes a newly-installed base station configured to send its identifier and a pilot channel; existing base stations; user devices configured to send reception quality measurements of the pilot channel to the existing base stations; and an upper node. Each of the existing base stations includes a statistical processing unit for performing statistical processing on the reception quality measurements; and a statistical processing result reporting unit configured to send a result of the statistical processing to the upper node. The upper node includes a tracking area selecting unit configured to select a tracking area to be assigned to the newly-installed base station based on the results of the statistical processing; and a tracking area reporting unit configured to report the selected tracking area to the newly-installed base station. The newly-installed base station includes a tracking area setting unit configured to set the reported tracking area.
摘要:
A base station in a mobile communication system is disclosed. In the mobile communication system, user devices present in areas covered by existing base stations report tracking area identifiers of tracking areas to which the existing base stations belong. The base station includes a statistical processing unit configured to count the number of the tracking area identifiers reported by the user devices for each of the tracking areas; and a tracking area selecting unit configured to assign the base station one of the tracking areas corresponding to the largest number of the tracking area identifiers counted by the statistical processing unit.
摘要:
A tracking area setting apparatus is disclosed that includes a service request measurement unit measuring a frequency of occurrence of a service request transmitted by a user equipment terminal to a cell where the user equipment terminal is located based on a paging channel transmitted in all cells belonging to a tracking area where the user equipment terminal is located, the user equipment terminal being a target user equipment terminal to receive a call, the tracking area including one or more cells and a tracking area determination unit determining whether a number of the frequency of occurrence of the service request in a predetermined cell is equal to or greater than a predetermined threshold value based on the frequency of occurrence of the service request and, when determining yes, separate the predetermined cell from the tracking area to which the predetermined cell belongs.
摘要:
A disclosed mobile communication system includes a newly-installed base station configured to send its identifier and a pilot channel; existing base stations; user devices configured to send reception quality measurements of the pilot channel to the existing base stations; and an upper node. Each of the existing base stations includes a statistical processing unit for performing statistical processing on the reception quality measurements; and a statistical processing result reporting unit configured to send a result of the statistical processing to the upper node. The upper node includes a tracking area selecting unit configured to select a tracking area to be assigned to the newly-installed base station based on the results of the statistical processing; and a tracking area reporting unit configured to report the selected tracking area to the newly-installed base station. The newly-installed base station includes a tracking area setting unit configured to set the reported tracking area.
摘要:
A tracking area setting apparatus is disclosed that includes a service request measurement unit measuring a frequency of occurrence of a service request transmitted by a user equipment terminal to a cell where the user equipment terminal is located based on a paging channel transmitted in all cells belonging to a tracking area where the user equipment terminal is located, the user equipment terminal being a target user equipment terminal to receive a call, the tracking area including one or more cells and a tracking area determination unit determining whether a number of the frequency of occurrence of the service request in a predetermined cell is equal to or greater than a predetermined threshold value based on the frequency of occurrence of the service request and, when determining yes, separate the predetermined cell from the tracking area to which the predetermined cell belongs.
摘要:
A mobile communication method according to the present invention includes the steps of: (A) calculating, at the radio base station (eNB1), an estimated neighbor radio base station parameter, on a basis of load information acquired from a neighbor radio base station (eNB2), the estimated neighbor radio base station parameter being supposed to be used in the neighbor radio base station (eNB2); and (B) notifying, from the radio base station to (eNB1) the neighbor radio base station (eNB2), the estimated neighbor radio base station parameter.
摘要:
A mobile communication method according to the present invention includes the steps of: (A) calculating, at the radio base station (eNB1), an estimated neighbor radio base station parameter, on a basis of load information acquired from a neighbor radio base station (eNB2), the estimated neighbor radio base station parameter being supposed to be used in the neighbor radio base station (eNB2); and (B) notifying, from the radio base station to (eNB1) the neighbor radio base station (eNB2), the estimated neighbor radio base station parameter.
摘要:
A mobile communication method according to the present invention includes a step of transmitting, by a mobile management node MME, “Measurement Configuration #1” for instructing to measure and report a desired radio quality to a radio base station eNB#1 that manages a cell #1 when it is detected that a mobile station UE has moved into the cell #1 that lies inside a measurement-target area, and a step of transmitting, by the radio base station eNB#1, “RRC Connection Reconfiguration” including the “Measurement Configuration #1” to the mobile station UE.
摘要:
A mobile communication system according to the present invention comprising a plurality of Un radio bearers set between the plurality of mobile stations UE and the relay node RN, each of Un radio bearers for a predetermined QoS set for different mobile stations UE is configured to be mapped to a Un radio bearer for the predetermined QoS set between the relay node RN and the radio base station DeNB.
摘要:
A mobile communication method according to the present invention including the steps of: generating, at a mobile station (UE), first verification information by use of a first key, a first parameter and an algorithm for “Integrity Protection”; generating, at the mobile station (UE), second verification information by extracting predetermined bits of the first verification information; and performing, at the mobile station (UE), cell selection processing, and transmitting, from the mobile station to a radio base station that manages the selected cell, an RRC-PDU for RRC connection re-establishment request through a common control channel, upon detection of a radio link failure in an RRC connection, the second verification information being set in the RRC-PDU for RRC connection re-establishment request.