# US 11,902,882 B2 · Identification of a wireless device with reduced capabilities > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 11,902,882 B2 - Document ID: US11902882B2 - Status: Granted - Kind: B2 - Application number: 17/981,565 - Filed: 2022-11-07 - Published: 2023-02-23 - Granted: 2024-02-13 - Earliest claimed: 2020-01-20 - Assignees: PanPsy Technologies, LLC - Applicants: PanPsy Technologies, LLC - Inventors: Alireza Babaei - Web page: https://patentgrep.com/patent/US11902882B2 ## CPC - H04W 48/10: using broadcasted information - H04W 48/02: Access restriction performed under specific conditions - H04W 48/12: using downlink control channel - H04W 74/0833: Random access procedures, e.g. with 4-step access - H04W 76/27: Transitions between radio resource control [RRC] states - H04W 74/004: {in the uplink, i.e. towards network} - H04W 74/0836: with 2-step access - H04W 74/0838: using contention-free random access [CFRA] - H04W 76/15: Setup of multiple wireless link connections - H04W: WIRELESS COMMUNICATION NETWORKS (broadcast communication H04H; communication systems using wireless links for non-selective communication, e.g. wireless extensions H04M1/72) ## Abstract Systems, apparatuses, and methods are described for wireless communications. A wireless device may initiate a random access process comprising transmitting a transport block comprising data of a CCCH logical channel. The CCCH logical channel may be associated with an identifier indicating that the wireless device is a reduced capability wireless device. ## Claims ### Claim 1 A method comprising: receiving, by a wireless device, system information indicating one or more first random access parameters; initiating, by the wireless device and based on the one or more first random access parameters, a random access process comprising: transmitting a transport block comprising a radio resource control (RRC) setup request message, wherein: the RRC setup request message is associated with an identity; the identity indicates that the wireless device is a reduced capability wireless device; and the reduced capability wireless device is associated with reduced capabilities compared to a non-reduced capability wireless device. ### Claim 2 (depends on 1) The method of claim 1, wherein the reduced capabilities comprise one or more of: a reduced bandwidth; a reduced number of antennas; a half-duplex operation; a relaxed processing time; and a relaxed processing capability. ### Claim 3 (depends on 1) The method of claim 1, wherein the identity is based on a wireless device type. ### Claim 4 (depends on 1) The method of claim 1, wherein the one or more first random access parameters are for reduced capability wireless devices. ### Claim 5 (depends on 1) The method of claim 1, wherein the receiving the one or more first random access parameters is based on a system information block message. ### Claim 6 (depends on 1) The method of claim 1, further comprising receiving one or more second random access parameters that are for non-reduced capability wireless devices. ### Claim 7 (depends on 1) The method of claim 1, wherein the RRC setup request message is associated with a common control channel (CCCH) logical channel. ### Claim 8 A wireless device comprising: one or more processors; and memory storing instructions that, when executed by the one or more processors, cause the wireless device to: receive system information indicating one or more first random access parameters; initiate, based on the one or more first random access parameters, a random access process comprising: transmitting a transport block comprising a radio resource control (RRC) setup request message, wherein: the RRC setup request message is associated with an identity; the identity indicates that the wireless device is a reduced capability wireless device; and the reduced capability wireless device is associated with reduced capabilities compared to a non-reduced capability wireless device. ### Claim 9 (depends on 8) The wireless device of claim 8, wherein the reduced capabilities comprise one or more of: a reduced bandwidth; a reduced number of antennas; a half-duplex operation; a relaxed processing time; and a relaxed processing capability. ### Claim 10 (depends on 8) The wireless device of claim 8, wherein the identity is based on a wireless device type. ### Claim 11 (depends on 8) The wireless device of claim 8, wherein the one or more first random access parameters are for reduced capability wireless devices. ### Claim 12 (depends on 8) The wireless device of claim 8, wherein receiving the one or more first random access parameters is based on a system information block message. ### Claim 13 (depends on 8) The wireless device of claim 8, wherein the instructions, when executed by the one or more processors, further cause the wireless device to receive one or more second random access parameters that are for non-reduced capability wireless devices. ### Claim 14 (depends on 8) The wireless device of claim 8, wherein the RRC setup request message is associated with a common control channel (CCCH) logical channel. ### Claim 15 A system comprising: a base station; and a wireless device comprising: one or more processors; and memory storing instructions that, when executed by the one or more processors, cause the wireless device to: receive, from the base station, system information indicating one or more first random access parameters; initiate, based on the one or more first random access parameters, a random access process comprising: transmitting a transport block comprising a radio resource control (RRC) setup request message, wherein: the RRC setup request message is associated with an identity; the identity indicates that the wireless device is a reduced capability wireless device; and the reduced capability wireless device is associated with reduced capabilities compared to a non-reduced capability wireless device. ### Claim 16 (depends on 15) The system of claim 15, wherein the reduced capabilities comprise one or more of: a reduced bandwidth; a reduced number of antennas; a half-duplex operation; a relaxed processing time; and a relaxed processing capability. ### Claim 17 (depends on 15) The system of claim 15, wherein the identity is based on a wireless device type. ### Claim 18 (depends on 15) The system of claim 15, wherein the one or more first random access parameters are for reduced capability wireless devices. ### Claim 19 (depends on 15) The system of claim 15, wherein receiving the one or more first random access parameters is based on a system information block message. ### Claim 20 (depends on 15) The system of claim 15, wherein the RRC setup request message is associated with a common control channel (CCCH) logical channel.