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US 2019/0098688 A1Published application
Communication control device, radio communication device, communication control method, and radio communication method
AssigneeSony Corporation
InventorsRyota KIMURA, Ryo Sawai, Hiromasa Uchiyama, Sho Furuichi
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Abstract
There is provided a control device including a communication unit configured to perform communication with a radio communication device of a radio communication system in which communication is possible using a plurality of access schemes including at least one of the access schemes of a multiple access scheme that uses orthogonal resources and a multiple access scheme that uses non-orthogonal resources, and a control unit configured to perform allocation of resources relating to the access schemes to be used by the radio communication device.
Claims19
1:
- A control device, comprising:
- circuitry configured to
- communicate with a radio communication device of a radio communication system equipped to use a plurality of alternative access schemes, the plurality of alternative access schemes including at least one of a first multiple access scheme that uses orthogonal resources and a second multiple access scheme that uses non-orthogonal resources;
- and
- allocate resources according to a selected access scheme of the plurality of alternative access schemes, wherein
- a first information and a second information are provided to the radio communication device in one control channel, the first information regarding the orthogonal resources and the second information regarding the non-orthogonal resources.
3 more elements
2:
- The control device according to claim 1, wherein
- the circuitry is configured to specify which of the plurality of alternative access schemes the radio communication device is to select.
3:
- The control device according to claim 2, wherein
- levels or unit densities of electric power allocated to transmission of the control channel and respective data channels have a predetermined magnitude relation.
4:
- The control device according to claim 3, wherein
- the level or the unit density of electric power allocated to transmission of the control channel includes the first information regarding the orthogonal resources being equal to or higher than a level or a unit density of electric power allocated to transmission of the second information regarding the non-orthogonal resources.
5:
- The control device according to claim 1, wherein the circuitry is configured to transmit information regarding non-orthogonal multiple access prior to information regarding orthogonal multiple access.
6:
- The control device according to claim 1, wherein
- the circuitry is configured to receive capability information from the radio communication device.
7:
- The control device according to claim 6, wherein
- the circuitry is configured to receive the capability information via a random access protocol scheme or a RRC connection scheme.
8:
- The control device according to claim 6, wherein
- the circuitry is configured to transfer the capability information of the radio communication device to another device.
9:
- The control device according to claim 6, wherein
- the circuitry is configured to use the capability information of the radio communication device in a handover procedure of the radio communication device or admission control procedure.
10:
- The control device according to claim 9, wherein
- the circuitry is further configured to use the capability information of a base station serving as a handover destination candidate with respect to the radio communication device.
11:
- The control device according to claim 6, wherein the capability
- information includes a bit flag indicating whether or not a device is compatible with each of the orthogonal resources and the non-orthogonal resources.
12:
- The control device according to claim 1, wherein
- the circuitry is configured to transmit a message indicating a change in allocation to the radio communication device.
13:
- The control device according to claim 12, wherein
- the circuitry is configured to receive a message indicating a result of change possibility determination with respect to the radio communication device according to the message indicating a change in allocation.
14:
- The control device according to claim 13, wherein
- the circuitry is configured to determine a handover possibility according to the result of the change possibility determination.
15:
- The control device according to claim 1, wherein
- the circuitry is configured to transmit information indicating an allocation result by the circuitry to the radio communication device.
16:
- The control device according to claim 1, wherein
- the circuitry is configured to allocate different or shared resources to one or more radio communication devices.
17:
- A radio communication device, comprising:
- circuitry configured to
- communicate with a control device of a radio communication system equipped to allocate resources of a plurality of alternative access schemes, the plurality of alternative access schemes including at least one of a first multiple access scheme that uses orthogonal resources and a second multiple access scheme that uses non-orthogonal resources;
- receive a first information and a second information in one control channel, the first information regarding the orthogonal resources and the second information regarding the non-orthogonal resources;
- and
- perform radio communications using a selected access scheme of the plurality of alternative access schemes, wherein
- the first information indicates frequency resources or time resources of the first multiple access scheme, and
- the second information indicates a power level or an interleave of the second multiple access scheme.
5 more elements
18:
- A communication control method, comprising:
- communicating, by circuitry of a control device, with a radio communication device equipped to use a plurality of alternate access schemes, the plurality of alternate access schemes including at least one of a first multiple access scheme that uses orthogonal resources and a second multiple access scheme that uses non-orthogonal resources;
- and
- allocating resources, by the circuitry, according to a selected access scheme of the plurality of alternative access schemes, wherein
- a first information and a second information are provided to the radio communication device in one control channel, the first information regarding the orthogonal resources and the second information regarding the non-orthogonal resources.
2 more elements
19:
- The control device according to claim 1, wherein
- the first information indicates frequency resources or time resources of the first multiple access scheme, and
- the second information indicates a power level or an interleave of the second multiple access scheme.