# US 11,445,479 B2 · Radio network slicing in 5G new radio (NR) > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 11,445,479 B2 - Document ID: US11445479B2 - Status: Granted - Kind: B2 - Application number: 16/648,254 - Filed: 2018-08-29 - Published: 2020-07-30 - Granted: 2022-09-13 - Earliest claimed: 2017-09-27 - Assignees: Sony Corporation - Applicants: Sony Corporation - Inventors: Ryota Kimura; Hiroaki Takano; Ryo Sawai; Fumio Teraoka - Web page: https://patentgrep.com/patent/US11445479B2 ## CPC - H04L 45/306: {Route determination based on the nature of the carried application} - H04L 45/54: {Organization of routing tables} - H04L 45/745: Address table lookup; Address filtering - H04W 72/04: Wireless resource allocation - H04W 80/04: Network layer protocols, e.g. mobile IP [Internet Protocol] - H04L 45/64: using an overlay routing layer - H04L 45/748: using longest matching prefix - H04W 40/36: due to handover - H04W 48/18: Selecting a network or a communication service - H04L: TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION (arrangements common to telegraphic and telephonic communication H04M) - H04W: WIRELESS COMMUNICATION NETWORKS (broadcast communication H04H; communication systems using wireless links for non-selective communication, e.g. wireless extensions H04M1/72) ## Abstract There is provided a communication apparatus including a communication control section that performs, using a network address configured by m bytes, communication control on one or more network slices, and the network address has a prefix section that includes, in a portion of high-order n bytes, a slice number that identifies the one or more network slices and a subnet number in the one or more network slices. ## Claims ### Claim 1 A communication apparatus, comprising: a processor configured to: receive data for transmission; execute communication control on at least one network slice, wherein the communication control is executed based on a network address, the network address includes: m bytes that includes a plurality of bytes; high-order n bytes of the plurality of bytes as a locator section; and low-order m-n bytes of the plurality of bytes as an interface ID section, the locator section includes a slice number and a subnet number, the interface ID section includes the slice number, the slice number is for identification of the at least one network slice, and the subnet number represents a subnet in the at least one network slice, and transmit the data based on a routing table set for each network slice of the at least one network slice, wherein the routing table indicates the locator section and network address information, the locator section indicates a destination address of the data, the network address information includes information of a node, and the node is a transmission destination of the data. ### Claim 2 (depends on 1) The communication apparatus according to claim 1, further comprising a storage device configured to hold the routing table. ### Claim 3 (depends on 1) The communication apparatus according to claim 1, wherein the processor is further configured to determine, based on the routing table, the transmission destination of the data. ### Claim 4 (depends on 1) The communication apparatus according to claim 1, wherein the processor is further configured to: determine the slice number of the at least one network slice; and embed, at a specific position in the network address, the determined slice number. ### Claim 5 (depends on 4) The communication apparatus according to claim 4, wherein the processor is further configured to determine the slice number based on a type of an application to be executed. ### Claim 6 (depends on 1) The communication apparatus according to claim 1, wherein the at least one network slice comprises a plurality of network slices, and information for isolation of a network resource of each network slice of the plurality of network slices is in a former part of the network address. ### Claim 7 (depends on 1) The communication apparatus according to claim 1, wherein based on a change in a connection destination of wireless communication, the processor is further configured to rewrite the subnet number in the locator section, and the rewritten subnet number corresponds to the changed connection destination. ### Claim 8 (depends on 1) The communication apparatus according to claim 1, wherein the network address conforms to a format of an IP (Internet Protocol) v6 address. ### Claim 9 A communication method, comprising: receiving, by a processor, data for transmission; executing, by the processor, communication control on at least one network slice, wherein the communication control is executed based on a network address, the network address includes: m bytes that includes a plurality of bytes; high-order n bytes of the plurality of bytes as a locator section; and low-order m-n bytes of the plurality of bytes as an interface ID section, the locator section includes a slice number and a subnet number, the interface ID section includes the slice number, the slice number is for identification of the at least one network slice, and the subnet number represents a subnet in the at least one network slice; and transmitting the data, by the processor, based on a routing table set for each network slice of the at least one network slice, wherein the routing table indicates the locator section and network address information, the locator section indicates a destination address of the data, the network address information includes information of a node, and the node is a transmission destination of the data. ### Claim 10 A non-transitory computer-readable medium having stored thereon, computer-executable instructions, which when executed by a computer, cause the computer to execute operations, the operations comprising: receiving data for transmission; executing communication control on at least one network slice, wherein the communication control is executed based on a network address, the network address includes: m bytes that includes a plurality of bytes; high-order n bytes of the plurality of bytes as a locator section; and low-order m-n bytes of the plurality of bytes as an interface ID section, the locator section includes a slice number and a subnet number, the interface ID section includes the slice number, the slice number is for identification of the at least one network slice, and the subnet number represents a subnet in the at least one network slice; and transmitting the data based on a routing table set for each network slice of the at least one network slice, wherein the routing table indicates the locator section and network address information, the locator section indicates a destination address of the data, the network address information includes information of a node, and the node is a transmission destination of the data. ### Claim 11 A communication apparatus, comprising: a processor configured to: determine, based on a type of an application to be executed, a slice number of at least one network slice; embed, at a specific position in a network address, the determined slice number; and execute communication control on the at least one network slice, wherein the communication control is executed based on the network address, the network address includes: m bytes that includes a plurality of bytes; high-order n bytes of the plurality of bytes as a locator section; and low-order m-n bytes of the plurality of bytes as an interface ID section, the locator section includes the slice number and a subnet number, the interface ID section includes the slice number, the slice number is for identification of the at least one network slice, and the subnet number represents a subnet in the at least one network slice.