# US 10,375,689 B2 · Control channel architecture with control information distributed over multiple subframes on different carriers > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 10,375,689 B2 - Document ID: US10375689B2 - Status: Granted - Kind: B2 - Application number: 13/703,871 - Filed: 2010-06-18 - Published: 2013-04-11 - Granted: 2019-08-06 - Earliest claimed: 2010-06-18 - Assignees: KYOCERA Corporation - Applicants: Amit Kalhan - Inventors: Amit Kalhan - Web page: https://patentgrep.com/patent/US10375689B2 ## CPC - H04L 27/2602: {Signal structure} - H04L 5/0053: {Allocation of signalling, i.e. of overhead other than pilot signals} - H04W 28/06: Optimizing {the usage of the radio link}, e.g. header compression, information sizing {, discarding information (system modifying transmission characteristic according to link quality by modifying frame length H04L1/0007; dynamic adaptation of the packet size for flow control or congestion control H04L47/365)} - H04W 56/00: Synchronisation arrangements - H04W 56/0035: {detecting errors in frequency or phase} - H04W 72/04: Wireless resource allocation - H04W 72/0446: Resources in time domain, e.g. slots or frames - H04L 1/0072: {Error control for data other than payload data, e.g. control data} - H04L 1/008: {where the control data relates to payload of a different packet} - H04L 1/02: by diversity reception - H04L 5/0007: {the frequencies being orthogonal, e.g. OFDM(A) or DMT} - H04L 5/0023: {Time-frequency-space} - 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 Control information (126) related to the reception of data (128) within a subframe (116) is transmitted over multiple subframes (113, 116) over multiple carrier (107, 108) from communication system infrastructure (102). A controller (134) in a mobile wireless communication device (104) reconstructs the control information (126) received over multiple subframes (113, 116) based on at least some control information (130) in a first physical control channel (118) in a first subframe (113) transmitted over a first carrier (107) and at least some other control information (132) in a second physical control channel (120) in a second subframe (116) transmitted over a second carrier (108). ## Claims ### Claim 1 A mobile wireless communication device comprising: a receiver configured to receive a first frame over a first carrier and a second frame over a second carrier; the first frame comprising a first plurality of time-frequency resource elements arranged in a first plurality of subframes comprising a first subframe having a first physical control channel, the first physical control channel comprising first control information; the second frame synchronized to the first frame and comprising a second plurality of time-frequency resource elements arranged in a second plurality of subframes comprising a second subframe having a second physical control channel and a physical data channel, the physical data channel comprising data, the second physical control channel comprising second control information; and a controller configured to obtain, from the physical data channel, the data using at least minimum control information comprising the first control information and the second control information. ### Claim 2 (depends on 1) The mobile wireless communication device of claim 1, wherein the first frame and the second frame conform to a 3GPP Long Term Evolution (LTE) communication specification and the physical control channels are Physical Downlink Control Channels (PDCCHs) defined by a 3GPP Long Term Evolution (LTE) communication specification and the physical data channel is a Physical Downlink Shared Channel (PDSCH) defined by the 3GPP Long Term Evolution (LTE) communication specification. ### Claim 3 (depends on 1) The mobile wireless communication device of claim 1, wherein control information is error coded prior to transmission to the mobile wireless communication device and the controller is further configured to decode the error coding. ### Claim 4 (depends on 1) The mobile wireless communication device of claim 1, wherein control information is scrambled prior to transmission to the mobile wireless communication device and the controller is further configured to descramble the control information. ### Claim 5 (depends on 1) The mobile wireless communication device of claim 1, wherein the controller is configured to obtain the data by using the minimum control information to at least demodulate the physical data channel. ### Claim 6 (depends on 5) The mobile wireless communication device of claim 5, wherein the controller is further configured to obtain the data by applying the minimum control information to at least decode the physical data channel. ### Claim 7 (depends on 1) The mobile wireless communication device of claim 1, wherein the controller is further configured to obtain the data by applying the minimum control information to at least decode the physical data channel. ### Claim 8 A communication system infrastructure comprising: a first transmitter configured to transmit a first frame over a first carrier; and a second transmitter configured to transmit a second frame over a second carrier; the first frame comprising a first plurality of time-frequency resource elements arranged in a first plurality of subframes comprising a first subframe having a first physical control channel comprising first control information; the second frame synchronized to the first frame and comprising a second plurality of time-frequency resource elements arranged in a second plurality of subframes comprising a second subframe having a second physical control channel and a physical data channel, the physical data channel comprising data, the second physical control channel comprising second control information, the first control information and the second control information forming minimum control information required by a wireless communication device to obtain the data from the physical data channel. ### Claim 9 (depends on 8) The communication infrastructure of claim 8, wherein the first frame and the second frame conform to a 3GPP Long Term Evolution (LTE) communication specification and the physical control channels are Physical Downlink Control Channels (PDCCHs) defined by the 3GPP Long Term Evolution (LTE) communication specification and the physical data channel is a Physical Downlink Shared Channel (PDSCH) defined by the 3GPP Long Term Evolution (LTE) communication specification. ### Claim 10 (depends on 8) The communication system infrastructure of claim 8, further comprising a controller configured to error code the first control information and the second control information. ### Claim 11 (depends on 8) The communication system infrastructure of claim 8, wherein the minimum control information is required by the wireless communication device to demodulate the physical data channel to obtain the data. ### Claim 12 (depends on 11) The communication system infrastructure of claim 11, wherein the minimum control information is required by the wireless communication device to decode the physical data channel to obtain the data. ### Claim 13 (depends on 8) The communication system infrastructure of claim 8, wherein the minimum control information is required by the wireless communication device to decode the physical data channel to obtain the data. ### Claim 14 A method comprising: receiving a first frame over a first carrier and a second frame over a second carrier; the first frame comprising a first plurality of time-frequency resource elements arranged in a first plurality of subframes comprising a first subframe having a first physical control channel, the first physical control channel comprising first control information; the second frame synchronized to the first frame and comprising a second plurality of time-frequency resource elements arranged in a second plurality of subframes comprising a second subframe having a second physical control channel and a physical data channel, the second physical control channel comprising second control information, the physical data channel comprising data; and obtaining, from the physical data channel, the data using at least minimum control information comprising the first control information and the second control information. ### Claim 15 (depends on 14) The method of claim 14, wherein obtaining the data comprises demodulating the physical data channel using the minimum control information. ### Claim 16 (depends on 15) The method of claim 15, wherein obtaining the data comprises decoding the physical data channel using the minimum control information. ### Claim 17 (depends on 14) The method of claim 14, further comprising: error coding the minimum control information at the communication system infrastructure; and applying error decoding at the mobile wireless communication device to receive the minimum control information. ### Claim 18 (depends on 17) The method of claim 17, further comprising: scrambling the minimum control information at the communication system infrastructure; and descrambling minimum control information at the mobile wireless communication device. ### Claim 19 (depends on 14) The method of claim 14, wherein the frame conforms to a 3GPP Long Term Evolution (LTE) communication specification and the physical control channels are Physical Downlink Control Channels (PDCCHs) defined by a 3GPP Long Term Evolution (LTE) communication specification and the physical data channel is a Physical Downlink Shared Channel (PDSCH) defined by the 3GPP Long Term Evolution (LTE) communication specification. ### Claim 20 (depends on 14) The method of claim 14, wherein obtaining the data comprises decoding the physical data channel using the minimum control information.