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公开(公告)号：US20220182212A1
公开(公告)日：2022-06-09
申请号：US17441552
申请日：2019-03-28
申请人： NTT DOCOMO, INC.
发明人： Daiki Takeda , Kazuaki Takeda , Hiroki Harada , Takayuki Isogawa
摘要： A user equipment includes a receiving unit that receives, from a base station apparatus, a resource configuration used for uplink and downlink in time division duplex and information indicating an allocation pattern of a resource used for uplink and downlink in time division duplex in a radio access technology that differs from a radio access technology of the user equipment; a control unit that determines, based on the resource configuration and the information indicating the allocation pattern, a resource used for the uplink and the downlink in the time division duplex used by the user equipment; and a communication unit that performs communication with the base station apparatus on the determined resource used for the uplink and the downlink in the time division duplex.
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公开(公告)号：US20220104176A1
公开(公告)日：2022-03-31
申请号：US17426441
申请日：2019-02-14
申请人： NTT DOCOMO, INC.
发明人： Daiki Takeda , Kazuaki Takeda , Takayuki Isogawa , Tomoya Ohara
摘要： A user equipment includes a control unit that sets an operation mode of the user equipment to an idle mode; a transmission unit that transmits data by using a preconfigured radio resource for transmitting data in the idle mode; and a reception unit that receives transmission acknowledgement information for the data by monitoring at least one search space from a paging search space or an additional search space that is to be monitored in the idle mode.
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3.发明申请公开(公告)号：US20190116524A1
公开(公告)日：2019-04-18
申请号：US16091485
申请日：2017-03-24
申请人： NTT DOCOMO, INC.
摘要： An interface method between a central-aggregate apparatus and an extension apparatus is provided, which includes: transmitting, by the central-aggregate apparatus, uplink signal indication information for a user equipment and an identifier of the user equipment to the extension apparatus; retaining, by the extension apparatus, the identifier and uplink signal information extracted from the received uplink signal indication information and transmitting an uplink signal indication to the user equipment; receiving an uplink signal transmitted from the user equipment based on one or both of the retained uplink signal information and identifier; extracting data information from the uplink signal, estimating uplink communication quality based on the uplink signal, and transmitting one or both of the extracted data information and the estimated uplink communication quality to the central-aggregate apparatus; and receiving, by the central-aggregate apparatus, one or both of the data information and the uplink communication quality from the extension apparatus.
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公开(公告)号：US12082149B2
公开(公告)日：2024-09-03
申请号：US17426441
申请日：2019-02-14
申请人： NTT DOCOMO, INC.
发明人： Daiki Takeda , Kazuaki Takeda , Takayuki Isogawa , Tomoya Ohara
摘要： A user equipment includes a control unit that sets an operation mode of the user equipment to an idle mode; a transmission unit that transmits data by using a preconfigured radio resource for transmitting data in the idle mode; and a reception unit that receives transmission acknowledgement information for the data by monitoring at least one search space from a paging search space or an additional search space that is to be monitored in the idle mode.
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公开(公告)号：US20220167385A1
公开(公告)日：2022-05-26
申请号：US17598143
申请日：2019-03-29
申请人： NTT DOCOMO, INC.
发明人： Daiki Takeda , Kazuaki Takeda , Hiroki Harada , Takayuki Isogawa
摘要： A user equipment including: a transmission unit that transmits a signal to a base station apparatus using a preconfigured uplink resource; a reception unit that receives a signal from the base station apparatus; and a control unit that starts or restarts a predetermined timer in response to receiving the signal from the base station apparatus.
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公开(公告)号：US10659986B2
公开(公告)日：2020-05-19
申请号：US16090485
申请日：2017-03-30
申请人： NTT DOCOMO, INC.
发明人： Naoto Ookubo , Takayuki Isogawa , Tooru Uchino
摘要： A radio base station is disclosed including an extension station and a central aggregate station, wherein the extension station includes a processor that determines whether a resource used when a user equipment transmits an uplink reference signal is allocated, a first receiver that receives the uplink reference signal from the user equipment based on a determination result of processor, wherein the processor calculates measurement information based on the uplink reference signal received by the first receiver, and a transmitter that transmits the measurement information calculated by the processor to the central aggregate station, and the central aggregate station includes a receiver that receives the measurement information from the extension station.
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公开(公告)号：US20220141810A1
公开(公告)日：2022-05-05
申请号：US17429231
申请日：2019-02-14
申请人： NTT DOCOMO, INC.
发明人： Daiki Takeda , Kazuaki Takeda , Takayuki Isogawa , Tomoya Ohara
IPC分类号： H04W72/04
摘要： A user equipment includes a control unit that sets an operation mode of the user equipment to an idle mode; and a transmission unit that transmits, while a time alignment retained by the control unit is valid, information indicating presence of the user equipment on each of transmission resources with a predetermined frequency in a time direction, from among a plurality of transmission resources that is preconfigured for transmitting data in the idle mode and arranged in the time direction, wherein the transmission unit stops transmitting the information indicating the presence of the user equipment in response detecting that the time alignment is invalid.
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公开(公告)号：US10863384B2
公开(公告)日：2020-12-08
申请号：US16091485
申请日：2017-03-24
申请人： NTT DOCOMO, INC.
IPC分类号： H04W28/18 , H04W24/10 , H04W88/06 , H04W92/16 , H04W28/16 , H04L5/00 , H04W72/08 , H04W92/18
摘要： An interface method between a central-aggregate apparatus and an extension apparatus is provided, which includes: transmitting, by the central-aggregate apparatus, uplink signal indication information for a user equipment and an identifier of the user equipment to the extension apparatus; retaining, by the extension apparatus, the identifier and uplink signal information extracted from the received uplink signal indication information and transmitting an uplink signal indication to the user equipment; receiving an uplink signal transmitted from the user equipment based on one or both of the retained uplink signal information and identifier; extracting data information from the uplink signal, estimating uplink communication quality based on the uplink signal, and transmitting one or both of the extracted data information and the estimated uplink communication quality to the central-aggregate apparatus; and receiving, by the central-aggregate apparatus, one or both of the data information and the uplink communication quality from the extension apparatus.
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公开(公告)号：US20190124519A1
公开(公告)日：2019-04-25
申请号：US16094118
申请日：2017-02-22
申请人： NTT DOCOMO, INC.
IPC分类号： H04W16/26 , H04W24/10 , H04W52/24 , H04B17/336
摘要： An extension station in a wireless base station including the extension station and a central aggregation station includes: an acquisition unit configured to acquire measurement resource information from the central aggregation station; a measurement unit configured to measure interference wave power of a radio resource indicated by the measurement resource information; and a transmission unit configured to transmit a measurement result of the interference wave power measured by the measurement unit to the central aggregation station. The measurement resource information is information indicating a radio resource of which uplink interference wave power is to be measured.
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公开(公告)号：US20190116514A1
公开(公告)日：2019-04-18
申请号：US16090485
申请日：2017-03-30
申请人： NTT DOCOMO, INC.
发明人： Naoto Ookubo , Takayuki Isogawa , Tooru Uchino
摘要： A radio base station is disclosed including an extension station and a central aggregate station, wherein the extension station includes a processor that determines whether a resource used when a user equipment transmits an uplink reference signal is allocated, a first receiver that receives the uplink reference signal from the user equipment based on a determination result of processor, wherein the processor calculates measurement information based on the uplink reference signal received by the first receiver, and a transmitter that transmits the measurement information calculated by the processor to the central aggregate station, and the central aggregate station includes a receiver that receives the measurement information from the extension station.
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