# US 10,455,552 B2 · Method and apparatus of transmitting control information in wireless communication systems > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 10,455,552 B2 - Document ID: US10455552B2 - Status: Granted - Kind: B2 - Application number: 15/928,734 - Filed: 2018-03-22 - Published: 2018-07-26 - Granted: 2019-10-22 - Earliest claimed: 2015-01-16 - Assignees: Samsung Electronics Co., Ltd. - Applicants: Samsung Electronics Co., Ltd. - Inventors: Jae-Hyuk Jang; Sang-Bum Kim; Kyeong-In Jeong; Sung-Hwan Won; Soeng-Hun Kim; Sung-Hoon Kim; Song-Yean Cho - Web page: https://patentgrep.com/patent/US10455552B2 ## CPC - H04W 72/20: Control channels or signalling for resource management - H04L 1/08: by repeating transmission, e.g. Verdan system {(H04L1/1858 and H04L1/189 take precedence)} - H04L 5/00: Arrangements affording multiple use of the transmission path - H04L 5/001: {the frequencies being arranged in component carriers} - H04L 5/0053: {Allocation of signalling, i.e. of overhead other than pilot signals} - H04L 5/0092: {Indication of how the channel is divided} - H04L 5/0096: {Indication of changes in allocation} - H04L 65/1016: IP multimedia subsystem [IMS] - H04L 65/1073: Registration or de-registration - H04L 69/22: Parsing or analysis of headers - H04W 52/365: {Power headroom reporting} - H04W 52/58: Format of the TPC bits - H04W 74/004: {in the uplink, i.e. towards network} - H04W: WIRELESS COMMUNICATION NETWORKS (broadcast communication H04H; communication systems using wireless links for non-selective communication, e.g. wireless extensions H04M1/72) - H04L: TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION (arrangements common to telegraphic and telephonic communication H04M) ## Abstract The present disclosure relates to communication schemes for combining 5G communication systems with IoT technology to support higher data transmission rate as post-4G systems and systems for the same. The present disclosure may be used in intelligent services (e.g., smart home, smart building, smart city, smart car, or connected car, health-care, digital education, retail business, security and safety-related services, etc.) based on the 5G communication technology and IoT-related techniques. According to an embodiment of the present disclosure, a method for transmitting control information in a wireless communication system comprises generating a header including a plurality of MAC subheaders and a medium access control (MAC) control information including a control field indicating whether there are included information related to a power headroom for a primary cell (PCell) and information regarding secondary cells (SCells) reportable to an extended power headroom and transmitting a payload including the MAC control information and the header, wherein the control field indicating activation or deactivation of at least one of the SCells. ## Claims ### Claim 1 A method of a user equipment (UE) in a wireless communication system, the method comprising: receiving, from a base station (BS), a master information block (MIB) including information related to a number of repetition transmission of a first system information block (SIB); receiving, from the BS, the first SIB based on the information related to the number of repetition transmission, the first SIB including scheduling information of a second SIB; and receiving, from the BS, the second SIB based on the scheduling information. ### Claim 2 (depends on 1) The method of claim 1, wherein the first SIB is repeatedly received based on the number of repetition transmission and is used for a machine type communication UE, and wherein the scheduling information includes at least one of information on a frequency resource or information on frequency hopping used for transmission of the second SIB for the machine type communication UE. ### Claim 3 (depends on 1) The method of claim 1, further comprising: receiving, from the BS, information indicating system information update on a downlink control channel. ### Claim 4 (depends on 1) The method of claim 1, wherein the first SIB further includes information indicating an extended system frame number (SFN) for a machine type communication UE, and wherein the first SIB or the second SIB further includes at least one of: information indicating a number of repetition transmission of a preamble associated with a random access for the machine type communication UE, information on a physical random access channel (PRACH) resource associated with the random access for the machine type communication UE, or information on at least one threshold associated with the PRACH resource for the machine type communication UE. ### Claim 5 (depends on 4) The method of claim 4, further comprising: measuring a reference signal received power (RSRP); determining a repetition level for the repetition transmission of the preamble based on a comparison result of the RSRP with the at least one threshold; and transmitting, to the BS, the preamble based on the number of the repetition transmission associated with the determined repetition level. ### Claim 6 A user equipment (UE) in a wireless communication system, the UE comprising: a transceiver; and at least one processor coupled with the transceiver and configured to: receive, from a base station (BS), a master information block (MIB) including information related to a number of repetition transmission of a first system information block (SIB), receive, from the BS, the first SIB based on the information related to the number of repetition transmission, the first SIB including scheduling information of a second SIB, and receive, from the BS, the second SIB based on the scheduling information. ### Claim 7 (depends on 6) The UE of claim 6, wherein the first SIB is repeatedly received based on the number of repetition transmission and is used for a machine type communication UE, and wherein the scheduling information includes at least one of information on a frequency resource or information on frequency hopping used for transmission of the second SIB for the machine type communication UE. ### Claim 8 (depends on 7) The UE of claim 7, wherein the at least one processor is further configured to receive, from the BS, information indicating system information update on a downlink control channel. ### Claim 9 (depends on 7) The UE of claim 7, wherein the first SIB further includes information indicating an extended system frame number (SFN) for a machine type communication UE, and wherein the first SIB or the second SIB further includes at least one of: information indicating a number of repetition transmission of a preamble associated with a random access for the machine type communication UE, information on a physical random access channel (PRACH) resource associated with the random access for the machine type communication UE, or information on at least one threshold associated with the PRACH resource for the machine type communication UE. ### Claim 10 (depends on 9) The UE of claim 9, wherein the at least one processor is further configured to: measure a reference signal received power (RSRP), determine a repetition level for the repetition transmission of the preamble based on a comparison result of the RSRP with the at least one threshold, and transmit, to the BS, the preamble based on the number of the repetition transmission associated with the determined repetition level. ### Claim 11 A method of a base station (BS) in a wireless communication system, the method comprising: transmitting a master information block (MIB) including information related to a number of repetition transmission of a first system information block (SIB); transmitting the first SIB based on the information related to the number of repetition transmission, the first SIB including scheduling information of a second SIB; and transmitting the second SIB based on the scheduling information. ### Claim 12 (depends on 11) The method of claim 11, wherein the first SIB is repeatedly transmitted based on the number of repetition transmission and is used for a machine type communication UE, and wherein the scheduling information includes at least one of information on a frequency resource or information on frequency hopping used for transmission of the second SIB for the machine type communication UE. ### Claim 13 (depends on 11) The method of claim 11, further comprising: transmitting information indicating system information update on a downlink control channel. ### Claim 14 (depends on 11) The method of claim 11, wherein the first SIB further includes information indicating an extended system frame number (SFN) for a machine type communication UE, and wherein the first SIB or the second SIB further includes at least one of: information indicating a number of repetition transmission of a preamble associated with a random access for the machine type communication UE, information on a physical random access channel (PRACH) resource associated with the random access for the machine type communication UE, or information on at least one threshold associated with the PRACH resource for the machine type communication UE. ### Claim 15 (depends on 14) The method of claim 14, further comprising: receiving, from the machine type communication UE, the preamble based on the number of the repetition transmission associated with a repetition level, wherein the repetition level is determined by the machine type communication UE for the repetition transmission of the preamble based on a comparison result of the RSRP with the at least one threshold. ### Claim 16 A base station (BS) in a wireless communication system, the BS comprising: a transceiver; and at least one processor coupled with the transceiver and configured to: transmit a master information block (MIB) including information related to a number of repetition transmission of a first system information block (SIB), transmit the first SIB based on the information related to the number of repetition transmission, the first SIB including scheduling information of a second SIB, and transmit the second SIB based on the scheduling information. ### Claim 17 (depends on 16) The BS of claim 16, wherein the first SIB is repeatedly transmitted based on the number of repetition transmission and is used for a machine type communication UE, and wherein the scheduling information includes at least one of information on a frequency resource or information on frequency hopping used for transmission of the second SIB for the machine type communication UE. ### Claim 18 (depends on 16) The BS of claim 16, wherein the at least one processor is further configured to transmit information indicating system information update on a downlink control channel. ### Claim 19 (depends on 16) The BS of claim 16, wherein the first SIB further includes information indicating an extended system frame number (SFN) for a machine type communication UE, and wherein the first SIB or the second SIB further includes at least one of: information indicating a number of repetition transmission of a preamble associated with a random access for the machine type communication UE, information on a physical random access channel (PRACH) resource associated with the random access for the machine type communication UE, or information on at least one threshold associated with the PRACH resource for the machine type communication UE. ### Claim 20 (depends on 19) The BS of claim 19, wherein the at least one processor is further configured to receive, from the machine type communication UE, the preamble based on the number of the repetition transmission associated with a repetition level, and wherein the repetition level is determined by the machine type communication UE for the repetition transmission of the preamble based on a comparison result of the RSRP with the at least one threshold.