# US 2021/0242916 A1 · Intelligent distributed relay system > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 2021/0242916 A1 - Document ID: US20210242916A1 - Status: Published application - Kind: A1 - Application number: 17/030,765 - Filed: 2020-09-24 - Published: 2021-08-05 - Earliest claimed: 2020-01-31 - Assignees: Intel Corporation - Applicants: Intel Corporation - Inventors: Artyom Lomayev; Fatemeh Fazel Sarjoui; Andrey Pudeyev; Alexander Maltsev; Ali Sadri - Web page: https://patentgrep.com/patent/US20210242916A1 ## CPC - H04B 7/0617: {for beam forming} - H04B 7/15528: {Control of operation parameters of a relay station to exploit the physical medium} - H04B 1/04: Circuits - H04B 7/024: Co-operative use of antennas of several sites, e.g. in co-ordinated multipoint or co-operative multiple-input multiple-output [MIMO] systems - H04B 7/15535: {Control of relay amplifier gain (amplifier gain control in general H03G3/00; gain control reducing self - or loop interference H04B7/15578)} - H04B 7/15557: {Selecting relay station operation mode, e.g. between amplify and forward mode, decode and forward mode or FDD - and TDD mode} - H04B 2001/0408: {with power amplifiers} - H04W 52/46: in multi-hop networks, e.g. wireless relay networks - H04B: TRANSMISSION - H04W: WIRELESS COMMUNICATION NETWORKS (broadcast communication H04H; communication systems using wireless links for non-selective communication, e.g. wireless extensions H04M1/72) ## Abstract Techniques are disclosed for implementing am Intelligent Distributed Relay (IDR). The IDR may advantageously use the best qualities of both amplify-and-forward and decode-and-forward solutions. The advantageously leverages the use of a digital signal processing (DSP) circuitry, which may decode the data and control information. The control information may be used to control IDR behavior (e.g., in the uplink and/or downlink directions) and to enhance its characteristics. ## Claims ### Claim 1 An intelligent distributed relay (IDR), comprising: a downlink (DL) amplify-and-forward branch configured to receive signals transmitted from a base station, and to re-transmit the received signals to one or more devices; and control chain circuitry configured to: extract control information using at least data decoded from a synchronization signal block (SSB) associated with at least one of the received signals transmitted from the base station, the control information including one or more parameters that define communications between the base station and the one or more devices; and execute one or more control functions using the extracted control information to adjust the manner in which the DL amplify-and-forward branch subsequently re-transmits received signals transmitted from the base station after the control information is extracted. ### Claim 2 (depends on 1) The IDR of claim 1, wherein the control chain circuitry is configured to execute, as the one or more control functions, an acquisition of a synchronization with base station signal transmissions using the extracted control information. ### Claim 3 (depends on 2) The IDR of claim 2, wherein upon acquiring synchronization with the base station signal transmissions, the control chain circuitry is further configured to execute, as the one or more control functions, an adjustment of transmit power of the subsequently re-transmitted received signals transmitted from the base station during a guard period. ### Claim 4 (depends on 1) The IDR of claim 1, wherein: the amplify-and-forward branch is coupled to an antenna array, the control chain circuitry is configured to execute, as the one or more control functions, an adjustment of predetermined codebook values used by the antenna array to thereby modify a beamforming pattern used by the antenna array to receive signals transmitted from the base station, and the adjustment of the predetermined codebook values being performed for each received SSB associated with a respective one of the received signals transmitted from the base station. ### Claim 5 (depends on 1) The IDR of claim 1, wherein: the amplify-and-forward branch includes a filter bank sub-channelization circuitry, the control chain circuitry is configured to execute, as the one or more control functions, an adjustment of filter tuning parameters associated with the filter bank sub-channelization circuitry, and the adjustment of the filter tuning parameters causing the amplify-and-forward branch to filter out at least one sub-channel of received signals transmitted from the base station such that the subsequently re-transmitted received signals do not include the filtered out sub-channel. ### Claim 6 (depends on 1) The IDR of claim 1, further comprising: an uplink (UL) amplify-and-forward branch configured to receive signals transmitted from at least one of the one or more devices, and to re-transmit the received signals to the base station. ### Claim 7 (depends on 6) The IDR of claim 6, wherein: the control chain circuitry is configured to execute, as the one or more control functions, an acquisition of a synchronization with base station signal transmissions using the extracted control information, upon acquiring synchronization with the base station signal transmissions, the control chain circuitry is further configured to execute, as the one or more control functions, (i) an adjustment of transmit power of the subsequently re-transmitted received signals transmitted from the base station during a guard period, and (ii) an adjustment of transmit power of the re-transmitted received signals transmitted from at least one of the one or more devices to the base station during a guard period. ### Claim 8 (depends on 6) The IDR of claim 6, wherein the DL amplify-and-forward branch and the UL amplify-and-forward branch are each configured to operate in accordance with mmWave frequencies. ### Claim 9 Control chain circuitry associated with an intelligent distributed relay (IDR), the control chain circuitry comprising: a subscriber identity module (SIM) circuitry configured to generate control parameters via association with a base station using received signals transmitted from the base station; digital signal processing (DSP) circuitry configured to receive the control parameters and to use the control parameters to decode SSB parameters from a synchronization signal block (SSB) associated with at least one the received signals transmitted from the base station, the control parameters and the SSB parameters constituting control information defining communications between the base station and one or more devices to which the IDR re-transmits the received signals; and control circuitry configured to execute one or more control functions using the control information to adjust the manner in which the IDR subsequently re-transmits the received signals transmitted from the base station after the control information is obtained. ### Claim 10 (depends on 1) The control chain circuitry of claim 1, wherein the control circuitry is configured to execute, as the one or more control functions, an acquisition of a synchronization with base station signal transmissions using the control information. ### Claim 11 (depends on 10) The control chain of claim 10, wherein upon acquiring synchronization with the base station signal transmissions, the control circuitry is further configured to execute, as the one or more control functions, an adjustment of transmit power of the subsequently re-transmitted received signals transmitted from the base station during a guard period. ### Claim 12 (depends on 9) The control chain of claim 9, wherein the control chain circuitry is configured to execute, as the one or more control functions, an adjustment of predetermined codebook values used by an antenna array associated with the IDR to receive the signals transmitted from the base station to thereby modify a beamforming pattern used by the antenna array, the adjustment of the predetermined codebook values being performed for each received SSB associated with a respective one of the received signals transmitted from the base station. ### Claim 13 (depends on 9) The control chain of claim 9, further comprising: filter bank sub-channelization circuitry, and wherein the control circuitry is configured to execute, as the one or more control functions, an adjustment of filter tuning parameters associated with the filter bank sub-channelization circuitry to cause the IDR to filter out at least one sub-channel of received signals transmitted from the base station such that the subsequently re-transmitted received signals do not include the filtered out sub-channel. ### Claim 14 (depends on 11) The control chain of claim 11, wherein upon acquiring synchronization with the base station signal transmissions, the control chain circuitry is further configured to execute, as the one or more control functions, an adjustment of transmit power of re-transmitted received signals transmitted from at least one of the one or more devices to the base station during a guard period. ### Claim 15 A non-transitory computer-readable medium associated with control chain circuitry of an intelligent distributed relay (IDR), the computer-readable medium having instructions stored thereon that, when executed by one or more components of the control chain circuitry, cause the IDR to: receive, via a downlink (DL) amplify-and-forward branch, signals transmitted from a base station, and to re-transmit the received signals to one or more devices; extract control information using at least data decoded from a synchronization signal block (SSB) associated with at least one of the received signals transmitted from the base station, the control information including one or more parameters that define communications between the base station and the one or more devices; and execute one or more control functions using the extracted control information to adjust the manner in which the DL amplify-and-forward branch subsequently re-transmits received signals transmitted from the base station after the control information is extracted. ### Claim 16 (depends on 15) The non-transitory computer-readable medium of claim 15, wherein the one or more control functions include an acquisition of a synchronization with base station signal transmissions using the extracted control information. ### Claim 17 (depends on 16) The non-transitory computer-readable medium of claim 16, wherein the one or more control functions includes, upon acquiring synchronization with the base station signal transmissions, an adjustment of transmit power of the subsequently re-transmitted received signals transmitted from the base station during a guard period. ### Claim 18 (depends on 15) The non-transitory computer-readable medium of claim 15, wherein the one or more control functions include an adjustment of predetermined codebook values used by an antenna array associated with the IDR to receive the signals transmitted from the base station to thereby modify a beamforming pattern used by the antenna array, the adjustment of the predetermined codebook values being performed for each received SSB associated with a respective one of the received signals transmitted from the base station. ### Claim 19 (depends on 15) The non-transitory computer-readable medium of claim 15, wherein the one or more control functions include an adjustment of filter tuning parameters associated with filter bank sub-channelization circuitry to cause the IDR to filter out at least one sub-channel of received signals transmitted from the base station such that the subsequently re-transmitted received signals do not include the filtered out sub-channel. ### Claim 20 (depends on 17) The non-transitory computer-readable medium of claim 17, wherein the one or more control functions include, upon acquiring synchronization with the base station signal transmissions, an adjustment of transmit power of re-transmitted received signals transmitted from at least one of the one or more devices to the base station during a guard period.