-
公开(公告)号：US20230137745A1
公开(公告)日：2023-05-04
申请号：US17911771
申请日：2020-03-18
Applicant: Nippon Telegraph and Telephone Corporation
Inventor： Shoko SHINOHARA , Hirantha ABEYSEKERA , Toshiro NAKAHIRA , Koichi ISHIHARA , Yasushi TAKATORI
Abstract: A wireless communication system includes a wireless base station that performs wireless communication with a wireless terminal; and a wireless communication control station that is communicably connected to the wireless base station. The wireless communication control station includes a determination unit that determines a requirement that is prioritized among multiple types of requirements in wireless communication, a setting unit that sets the information indicating the parameter to be used for communication control by the wireless base station, and a transmission unit that transmits the information set by the setting unit to the wireless base station.
-
公开(公告)号：US20230121752A1
公开(公告)日：2023-04-20
申请号：US17796142
申请日：2020-01-28
Applicant: Nippon Telegraph and Telephone Corporation
Inventor： Toshiro NAKAHIRA , Hirantha ABEYSEKERA , Shoko SHINOHARA , Koichi ISHIHARA , Yasushi TAKATORI
IPC: H04W24/08 , H04L43/0823
Abstract: In a wireless communication system including a plurality of base stations to which terminal stations are connectable, and a monitoring station which monitors each of the base stations, the monitoring station includes an information collection unit configured to collect wireless environment information including a plurality of information items indicating wireless environments around the base stations and the terminal stations, from each of the base stations, a defect detection unit configured to detect whether or not one or more defects occur based on a combination of the information items, and a defect determination unit configured to determine estimated occurrence probabilities of the defects detected by the defect detection unit based on a combination of the information items.
-
公开(公告)号：US20230087262A1
公开(公告)日：2023-03-23
申请号：US17911369
申请日：2020-03-17
Applicant: NIPPON TELEGRAPH AND TELEPHONE CORPORATION
Inventor： Toshiro NAKAHIRA , Hirantha ABEYSEKERA , Koichi ISHIHARA , Takatsune MORIYAMA , Yasushi TAKATORI
Abstract: There are provided a collection unit that collects priority information indicating priority of radio communication set for each base station and route information for specifying a wired communication route for each base station, a radio parameter calculation unit that calculates a radio parameter of radio communication of each base station to reflect the priority indicated by the priority information, a wired parameter calculation unit that calculates, for each wired communication route specified by the route information, a wired parameter of wired communication of a corresponding base station based on the radio parameter calculated by the radio parameter calculation unit to reflect the priority indicated by the priority information, and a setting unit that sets the radio parameter calculated by the radio parameter calculation unit for each base station and sets the wired parameter calculated by the wired parameter calculation unit for each wired communication route.
-
公开(公告)号：US20230035896A1
公开(公告)日：2023-02-02
申请号：US17791201
申请日：2020-01-28
Applicant: NIPPON TELEGRAPH AND TELEPHONE CORPORATION
Inventor： Hirantha ABEYSEKERA , Toshiro NAKAHIRA , Shoko SHINOHARA , Koichi ISHIHARA , Yasushi TAKATORI
Abstract: In a wireless communication system including a plurality of base stations to which terminal stations are connectable and a base station control device which controls each of the base stations, the base station control device includes an information collection unit configured to collect wireless environment information indicating wireless environments around the base stations and the terminal stations from each of the base stations, a parameter calculation unit configured to calculate a parameter for correcting radio wave interference relationship among the base stations based on the wireless environment information collected by the information collection unit and priority set in advance for each of the base stations, and a transmission unit configured to transmit the parameter calculated by the parameter calculation unit to each of the base stations, and each of the base stations includes a reception unit configured to receive the parameter transmitted by the transmission unit, and a setting unit configured to perform setting so as to correct radio wave interference relationship with other base stations based on the parameter received by the reception unit.
-
公开(公告)号：US20230035101A1
公开(公告)日：2023-02-02
申请号：US17791195
申请日：2020-01-28
Applicant: NIPPON TELEGRAPH AND TELEPHONE CORPORATION
Inventor： Toshiro NAKAHIRA , Hirantha ABEYSEKERA , Shoko SHINOHARA , Koichi ISHIHARA , Yasushi TAKATORI
IPC: H04W24/08
Abstract: In a wireless communication system including a plurality of base stations to which terminal stations are connectable, and a monitoring station which monitors each of the base stations, the monitoring station includes an information collection unit configured to collect wireless environment information including a plurality of information items indicating wireless environments around the base stations and the terminal stations, from each of the base stations, a point calculation unit configured to calculate a total point of points to be respectively provided to a plurality of defect items determined in advance in a case where a determination condition determined in advance for each of the information items is satisfied, and a defect detection unit configured to detect whether or not a defect listed as one or more of the defect items occurs based on the total point calculated by the point calculation unit.
-
Patent Agency Ranking
公开(公告)号：US20220239391A1
公开(公告)日：2022-07-28
申请号：US17603710
申请日：2020-04-20
Applicant: NIPPON TELEGRAPH AND TELEPHONE CORPORATION
Inventor： Toshiro NAKAHIRA , Tomoki MURAKAMI , Hirantha ABEYSEKERA , Koichi ISHIHARA , Takafumi HAYASHI , Yasushi TAKATORI
Abstract: An operation test method of a base station to which a plurality of terminal stations are connectable, the method including switching a specific radio communication unit of a plurality of radio communication units to a subordinate mode and setting another radio communication unit of the plurality of radio communication units to a normal mode, the normal mode being a mode in which each of the plurality of radio communication units performs radio communication as a base station, the subordinate mode being a mode in which each of the plurality of radio communication units performs radio communication as a virtual terminal station, each of the plurality of radio communication units being switchable between the normal mode and the subordinate mode, and conducting an operation test of the base station by performing, based on a test policy that sets the operation test, radio communication between the specific radio communication unit switched to the subordinate mode and the other radio communication unit in the normal mode.
-
公开(公告)号：US20220210634A1
公开(公告)日：2022-06-30
申请号：US17603960
申请日：2020-04-17
Applicant: NIPPON TELEGRAPH AND TELEPHONE CORPORATION
Inventor： Toshiro NAKAHIRA , Tomoki MURAKAMI , Hirantha ABEYSEKERA , Koichi ISHIHARA , Takafumi HAYASHI , Yasushi TAKATORI
Abstract: A radio communication method of connecting a base station with a plurality of terminal stations, the base station including a plurality of radio communication units compatible with a predetermined communication standard, the method including collecting additional-line information including information regarding whether each terminal station is compatible with additional communication standard; collecting request information including a request in the predetermined communication standard of each terminal station; collecting identifier information that identifies each terminal station; calculating, based on the additional-line information, the request information and the identifier information that are collected, a setting policy including a setting for each radio communication unit, and a switching policy of setting a condition for switching the plurality of radio communication units; and setting, for each radio communication unit, the terminal station to be connected based on the setting policy and the switching policy that are calculated.
-
公开(公告)号：US20220200710A1
公开(公告)日：2022-06-23
申请号：US17603956
申请日：2020-04-20
Applicant: NIPPON TELEGRAPH AND TELEPHONE CORPORATION
Inventor： Toshiro NAKAHIRA , Tomoki MURAKAMI , Hirantha ABEYSEKERA , Koichi ISHIHARA , Takafumi HAYASHI , Yasushi TAKATORI
Abstract: A method includes collecting, as environment information, a radio environment represented by a signal received at a plurality of radio communication units from another base station, each of the plurality of radio communication units being switchable between a normal mode in which the radio communication unit performs radio communication as a base station and a subordinate mode in which the radio communication unit performs radio communication as a virtual terminal station, calculating test conduct information for each base station based on base station performance information representing a performance of each base station and the environment information, and conducting an operation test of each base station by, based on the test conduct information, setting any of the radio communication units to the normal mode, switching the radio communication units of the other base station to the subordinate mode, and performing radio communication with each other.
-
公开(公告)号：US20220174505A1
公开(公告)日：2022-06-02
申请号：US17600554
申请日：2020-03-24
Applicant: NIPPON TELEGRAPH AND TELEPHONE CORPORATION
Inventor： Shoko SHINOHARA , Toshiro NAKAHIRA , Yasuhiko INOUE , Hirantha ABEYSEKERA , Koichi ISHIHARA , Takafumi HAYASHI , Yasushi TAKATORI
IPC: H04W16/22 , H04W24/08 , H04L43/0888
Abstract: There are provided a step 1 of, at a measurement point where a throughput of a wireless communication terminal under a new communication standard is to be acquired, measuring or calculating a wireless communication characteristic (throughput) of a wireless communication terminal under a current communication standard; a step 2 of acquiring parameters of a physical layer and a MAC layer at the time of measuring or calculating the wireless communication characteristic of the wireless communication terminal under the current communication standard; and a step 3 of, with the wireless communication characteristic (throughput) measured or calculated for the wireless communication terminal under the current communication standard and the parameters of the physical layer and the MAC layer at that time as inputs, calculating a wireless communication characteristic (throughput) corresponding to parameters of the wireless communication terminal under the new communication standard.
-
公开(公告)号：US20210007045A1
公开(公告)日：2021-01-07
申请号：US16976454
申请日：2019-02-25
Applicant: NIPPON TELEGRAPH AND TELEPHONE CORPORATION
Inventor： Tomoki MURAKAMI , Toshiro NAKAHIRA , Hirantha ABEYSEKERA , Akiyoshi INOKI , Keisuke WAKAO
Abstract: [Problem] The base station includes a plurality of radio communication units configured to individually support a plurality of communication capabilities, and performs, for a terminal station that is connected to the base station, control for selecting a radio communication unit based on a communication scheme supported in the terminal station.
[Solution] Provided is a radio communication method for a radio communication system including a plurality of base stations provided with a plurality of radio communication units for which different communication schemes are settable, and a terminal station configured to perform radio communication with the radio communication unit of the base station by using a specific communication scheme. The radio communication method includes setting, at the base station, for the radio communication units, different communication schemes based on a setting policy of the communication scheme, and a switching policy used for selecting the radio communication unit to which the terminal station is to be connected, collecting, at the base station, communication scheme information on a communication scheme selectable by the terminal station, when the terminal station establishes a connection or a reconnection with the base station, selecting, at the base station, a radio communication unit to which the terminal station is to be connected, in accordance with the communication scheme information, the setting policy, and the switching policy, and updating, at the base station, the setting policy and the switching policy for the radio communication unit.
-
-
-
-
-
-
-
-
-
Search Results
41
records
(took 0.022 seconds)
