Abstract
A radio base station improved in the efficiency of processing random accesses from mobile stations. The radio base station designates a random access signal when transmitting downlink data to a mobile station. The mobile station transmits the designated random access signal to the radio base station. The radio base station transmits to the mobile station timing adjustment information prepared based on the result of reception of the random access signal and allocation information about an uplink radio resource allocated to the mobile station. If there is control data to be transmitted to the radio base station the mobile station transmits the control data by using the allocated uplink radio resource and if there is no control data to be transmitted the mobile station transmits a synchronization completion report prepared in reply to the timing adjustment information.
| Technology | Declaration Information | Specification Information | Explicitly Disclosed | Patent Type | |||||
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| Declaration Date | Declaration Reference | Declaring Company | Specification Number | ||||||
| 4G | 26/10/2016 | ISLD-201701-005 | FUJITSU LIMITED |
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| 5G | 22/12/2019 | ISLD-201912-065 | FUJITSU LIMITED |
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Specification Information
Specification Information
Technologies
Family Information
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| CN101568186A | 4G | 26/10/2016 | ISLD-201701-005 | FUJITSU LIMITED |
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| CN101568186A | 5G | 22/12/2019 | ISLD-201912-065 | FUJITSU LIMITED |
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| CN101568186B | 4G | 26/10/2016 | ISLD-201701-005 | FUJITSU LIMITED |
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| CN101568186B | 5G | 22/12/2019 | ISLD-201912-065 | FUJITSU LIMITED |
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| CN102438308A | 4G | 26/10/2016 | ISLD-201701-005 | FUJITSU LIMITED |
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| CN102438308A | 5G | 22/12/2019 | ISLD-201912-065 | FUJITSU LIMITED |
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| CN102438308B | 4G | 26/10/2016 | ISLD-201701-005 | FUJITSU LIMITED |
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| CN102438308B | 5G | 22/12/2019 | ISLD-201912-065 | FUJITSU LIMITED |
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| CN103079263A | 4G | 26/10/2016 | ISLD-201701-005 | FUJITSU LIMITED |
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| CN103079263A | 5G | 22/12/2019 | ISLD-201912-065 | FUJITSU LIMITED |
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| CN103079263B | 4G | 26/10/2016 | ISLD-201701-005 | FUJITSU LIMITED |
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| CN103220799A | 4G | 26/10/2016 | ISLD-201701-005 | FUJITSU LIMITED |
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| CN103220799A | 5G | 22/12/2019 | ISLD-201912-065 | FUJITSU LIMITED |
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| CN103220799B | 4G | 26/10/2016 | ISLD-201701-005 | FUJITSU LIMITED |
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| CN103220799B | 5G | 22/12/2019 | ISLD-201912-065 | FUJITSU LIMITED |
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| EP2112855A2 | 4G | 26/10/2016 | ISLD-201701-005 | FUJITSU LIMITED |
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| EP2112855A2 | 5G | 22/12/2019 | ISLD-201912-065 | FUJITSU LIMITED |
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| EP2112855A3 | 4G | 26/10/2016 | ISLD-201701-005 | FUJITSU LIMITED |
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| EP2112855A3 | 5G | 22/12/2019 | ISLD-201912-065 | FUJITSU LIMITED |
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| EP2112855B1 | 4G | 26/10/2016 | ISLD-201701-005 | FUJITSU LIMITED |
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| EP2112855B1 | 5G | 22/12/2019 | ISLD-201912-065 | FUJITSU LIMITED |
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| KR101059675B1 | 4G | 26/10/2016 | ISLD-201701-005 | FUJITSU LIMITED |
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| KR101059675B1 | 5G | 22/12/2019 | ISLD-201912-065 | FUJITSU LIMITED |
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| KR20090130270A | 4G | 26/10/2016 | ISLD-201701-005 | FUJITSU LIMITED |
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| KR20090130270A | 5G | 22/12/2019 | ISLD-201912-065 | FUJITSU LIMITED |
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| US2009270094A1 | 4G | 26/10/2016 | ISLD-201701-005 | FUJITSU LIMITED |
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| US2009270094A1 | 5G | 22/12/2019 | ISLD-201912-065 | FUJITSU LIMITED |
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| JP2009267759A | 4G | 26/10/2016 | ISLD-201701-005 | FUJITSU LIMITED |
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| JP2009267759A | 5G | 22/12/2019 | ISLD-201912-065 | FUJITSU LIMITED |
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| JP5169442B2 | 4G | 26/10/2016 | ISLD-201701-005 | FUJITSU LIMITED |
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| JP5169442B2 | 5G | 22/12/2019 | ISLD-201912-065 | FUJITSU LIMITED |
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| Publication No | Technology | Declaration Information | Specification Information | Explicitly Disclosed | Patent Type | Status | National Phase Entries | |||||
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Technologies
Resource configuration Random access
Product
User Equipment (UE/Terminal)Base Station (eNB/gNB)
Use Cases
Wireless communication
Services
Transmitting/receiving data in uplink
Claim
1. A radio base station comprising:
a transmitter configured to designate, with respect to a mobile station, a random access preamble when the radio base station has downlink user data to be transmitted to the mobile station; and
a receiver configured to receive the designated random access preamble from the mobile station,
wherein the transmitter transmits, to the mobile station, timing adjustment information prepared based on a result of reception of the random access preamble, and allocation information about an uplink radio resource allocated to the mobile station,
when the mobile station does not have control data to be transmitted, the receiver receives a synchronization completion report from the mobile station by using the uplink radio resource specified by the allocation information, and
when the mobile station has the control data, the synchronization completion report is omitted and the receiver receives the control data from the mobile station by using the uplink radio resource specified by the allocation information.', 'a transmitter configured to designate, with respect to a mobile station, a random access preamble when the radio base station has downlink user data to be transmitted to the mobile station; and', 'a receiver configured to receive the designated random access preamble from the mobile station,', 'wherein the transmitter transmits, to the mobile station, timing adjustment information prepared based on a result of reception of the random access preamble, and allocation information about an uplink radio resource allocated to the mobile station,', 'when the mobile station does not have control data to be transmitted, the receiver receives a synchronization completion report from the mobile station by using the uplink radio resource specified by the allocation information, and', 'when the mobile station has the control data, the synchronization completion report is omitted and the receiver receives the control data from the mobile station by using the uplink radio resource specified by the allocation information.
2. The radio base station according to claim 1, wherein, when a handover is to be performed, the transmitter transmits, to the mobile station, the allocation information allocating an uplink radio resource with a size identical with that allocated when the radio base station has the downlink user data.
3. The radio base station according to claim 1, wherein, when a reconnection is requested from the mobile station, the transmitter transmits, to the mobile station, the allocation information allocating an uplink radio resource with a size identical with that allocated when the radio base station has the downlink user data.
4. The radio base station according to claim 1, wherein the transmitter allocates, by means of the allocation information, an uplink radio resource of an invariably fixed size to the mobile station in response to reception of the designated random access preamble.
5. The radio base station according to claim 1, wherein the receiver receives, as the control data, a data send request from the mobile station, and
the transmitter transmits, to the mobile station, other allocation information allocating another uplink radio resource matching the data send request received by the receiver.', 'the transmitter transmits, to the mobile station, other allocation information allocating another uplink radio resource matching the data send request received by the receiver.
6. The radio base station according to claim 1, wherein the receiver receives the control data including information indicative of a remaining data amount, and
the transmitter transmits, to the mobile station, other allocation information allocating another uplink radio resource matching the remaining data amount indicated by the information received by the receiver.', 'the transmitter transmits, to the mobile station, other allocation information allocating another uplink radio resource matching the remaining data amount indicated by the information received by the receiver.
7. A mobile station comprising:
a receiver configured to receive designation of a random access preamble from a radio base station when the radio base station has downlink user data to be transmitted to the mobile station; and
a transmitter configured to transmit the designated random access preamble to the radio base station,
wherein the receiver receives, from the radio base station, timing adjustment information prepared by the radio base station in accordance with a result of reception of the random access preamble, and allocation information about an uplink radio resource allocated to the mobile station,
the transmitter transmits, when the mobile station does not have control data to be transmitted, a synchronization completion report to the radio base station by using the uplink radio resource specified by the allocation information, and
the transmitter omits, when the mobile station has the control data, to transmit the synchronization completion report and transmits the control data to the radio base station by using the uplink radio resource specified by the allocation information.', 'a receiver configured to receive designation of a random access preamble from a radio base station when the radio base station has downlink user data to be transmitted to the mobile station; and', 'a transmitter configured to transmit the designated random access preamble to the radio base station,', 'wherein the receiver receives, from the radio base station, timing adjustment information prepared by the radio base station in accordance with a result of reception of the random access preamble, and allocation information about an uplink radio resource allocated to the mobile station,', 'the transmitter transmits, when the mobile station does not have control data to be transmitted, a synchronization completion report to the radio base station by using the uplink radio resource specified by the allocation information, and', 'the transmitter omits, when the mobile station has the control data, to transmit the synchronization completion report and transmits the control data to the radio base station by using the uplink radio resource specified by the allocation information.
8. The mobile station according to claim 7, wherein the transmitter transmits a data send request as the control data.
9. The mobile station according to claim 7, wherein the transmitter transmits multiple types of control data by using the uplink radio resource specified by the allocation information
10. The mobile station according to claim 7, wherein, when an allocated size of the uplink radio resource specified by the allocation information is smaller than an amount of control data to be transmitted, the transmitter includes, in transmit data, information indicative of a remaining data amount
11. The mobile station according to claim 10, wherein the transmitter includes, in the control data, header information showing that the information indicative of the remaining data amount is included
12. A communication method comprising:
designating, with respect to a mobile station, a random access signal when transmitting downlink data to the mobile station;
transmitting the designated random access signal to the radio base station from the mobile station;
transmitting, to the mobile station, timing adjustment information prepared based on a result of reception of the random access signal, and allocation information about an uplink radio resource allocated to the mobile station;
transmitting, when the mobile station does not have control data to be transmitted, a synchronization completion report to the radio base station by using the uplink radio resource specified by the allocation information; and
omitting, when the mobile station has the control data, to transmit the synchronization completion report and transmitting the control data to the radio base station by using the uplink radio resource specified by the allocation information.', 'designating, with respect to a mobile station, a random access signal when transmitting downlink data to the mobile station;', 'transmitting the designated random access signal to the radio base station from the mobile station;', 'transmitting, to the mobile station, timing adjustment information prepared based on a result of reception of the random access signal, and allocation information about an uplink radio resource allocated to the mobile station;', 'transmitting, when the mobile station does not have control data to be transmitted, a synchronization completion report to the radio base station by using the uplink radio resource specified by the allocation information; and', 'omitting, when the mobile station has the control data, to transmit the synchronization completion report and transmitting the control data to the radio base station by using the uplink radio resource specified by the allocation information.13. A communication method comprising:
transmitting, to a radio base station, a non-individual random access signal not designated by the radio base station when transmitting uplink data to the radio base station;
designating, with respect to the mobile station, an individual random access signal when transmitting downlink data to the mobile station;
when transmission of the non-individual random access signal ends in failure, transmitting the individual random access signal, in place of the non-individual random access signal, to the radio base station;
transmitting, to the mobile station, timing adjustment information prepared based on a result of reception of the individual random access signal, and allocation information about an uplink radio resource allocated to the mobile station;
transmitting, when the mobile station does not have control data to be transmitted, a synchronization completion report to the radio base station by using the uplink radio resource specified by the allocation information; and
omitting, when the mobile station has the control data, to transmit the synchronization completion report and transmitting the control data to the radio base station by using the uplink radio resource specified by the allocation information.', 'transmitting, to a radio base station, a non-individual random access signal not designated by the radio base station when transmitting uplink data to the radio base station;', 'designating, with respect to the mobile station, an individual random access signal when transmitting downlink data to the mobile station;', 'when transmission of the non-individual random access signal ends in failure, transmitting the individual random access signal, in place of the non-individual random access signal, to the radio base station;', 'transmitting, to the mobile station, timing adjustment information prepared based on a result of reception of the individual random access signal, and allocation information about an uplink radio resource allocated to the mobile station;', 'transmitting, when the mobile station does not have control data to be transmitted, a synchronization completion report to the radio base station by using the uplink radio resource specified by the allocation information; and', 'omitting, when the mobile station has the control data, to transmit the synchronization completion report and transmitting the control data to the radio base station by using the uplink radio resource specified by the allocation information.14. The communication method according to claim 13, comprises transmitting a data send request by using the uplink radio resource specified by the allocation information received from the radio base station.']
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SUMMARY
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Explicitly disclosed patent:openly and comprehensibly describes all details of the invention in the patent document.
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Basis patent:The core patent in a family, outlining the fundamental invention from which related patents or applications originate.
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