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61. 发明申请

US20220200710A1 BASE STATION OPERATION TEST METHOD, WIRELESS COMMUNICATION SYSTEM, AND BASE STATION 有权
公开(公告)号：US20220200710A1
公开(公告)日：2022-06-23
申请号：US17603956
申请日：2020-04-20
申请人： NIPPON TELEGRAPH AND TELEPHONE CORPORATION
发明人： Toshiro NAKAHIRA , Tomoki MURAKAMI , Hirantha ABEYSEKERA , Koichi ISHIHARA , Takafumi HAYASHI , Yasushi TAKATORI
IPC分类号： H04B17/29 , H04W24/06 , H04B17/17 , H04W76/18
摘要： 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.

62. 发明申请

US20220174505A1 WIRELESS COMMUNICATION CHARACTERISTIC EVALUATION METHOD 有权
公开(公告)号：US20220174505A1
公开(公告)日：2022-06-02
申请号：US17600554
申请日：2020-03-24
申请人： NIPPON TELEGRAPH AND TELEPHONE CORPORATION
发明人： Shoko SHINOHARA , Toshiro NAKAHIRA , Yasuhiko INOUE , Hirantha ABEYSEKERA , Koichi ISHIHARA , Takafumi HAYASHI , Yasushi TAKATORI
IPC分类号： H04W16/22 , H04W24/08 , H04L43/0888
摘要： 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.

63. 发明申请

US20210007045A1 RADIO COMMUNICATION METHOD AND BASE STATION 有权
公开(公告)号：US20210007045A1
公开(公告)日：2021-01-07
申请号：US16976454
申请日：2019-02-25
申请人： NIPPON TELEGRAPH AND TELEPHONE CORPORATION
发明人： Tomoki MURAKAMI , Toshiro NAKAHIRA , Hirantha ABEYSEKERA , Akiyoshi INOKI , Keisuke WAKAO
IPC分类号： H04W48/20 , H04B7/06 , H04W74/08
摘要： [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.

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