# US 2019/0245674 A1 · Fast ack/nack in wireless communication networks > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 2019/0245674 A1 - Document ID: US20190245674A1 - Status: Published application - Kind: A1 - Application number: 16/388,406 - Filed: 2019-04-18 - Published: 2019-08-08 - Earliest claimed: 2016-10-24 - Assignees: Koninklijke Philips N.V. - Applicants: Fraunhofer-Gesellschaft zur Foerderung der angewandten Forschung e.V - Inventors: Thomas FEHRENBACH; Thomas WIRTH; Cornelius HELLGE; Baris GOEKTEPE; Lars THIELE - Web page: https://patentgrep.com/patent/US20190245674A1 ## CPC - H04L 5/1469: {using time-sharing} - H04L 1/1812: Hybrid protocols; Hybrid automatic repeat request [HARQ] - H04L 1/1854: {Scheduling and prioritising arrangements} - H04L 1/1861: {Physical mapping arrangements (for ACK signaling see also H04L5/0053)} - H04L 5/0055: {Physical resource allocation for ACK/NACK (for physical mapping arrangements in ARQ protocols H04L1/1861)} - H04L: TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION (arrangements common to telegraphic and telephonic communication H04M) ## Abstract A receiver is configured to receive and process a radio signal. The radio signal includes a first frequency band including a first signal, the first signal including a plurality of TDD-frames. The receiver is configured to evaluate reception of downlink data to obtain evaluation data. The receiver is further configured to transmit the evaluation data in a second frequency band outside of the first frequency band. ## Claims ### Claim 1 A receiver, wherein the receiver is configured to receive and process a radio signal, the radio signal comprising a first frequency band comprising a first signal, the first signal comprising a plurality of TDD-frames; wherein the receiver is configured to evaluate reception of downlink data to acquire evaluation data; wherein the receiver is configured to transmit the evaluation data in a second frequency band outside the first frequency band. ### Claim 2 (depends on 1) The receiver of claim 1, wherein each TDD-frame comprises a plurality of subframes, wherein a subframe usable by the receiver of the plurality of subframes is an uplink-only subframe or a downlink-only subframe. ### Claim 3 (depends on 1) The receiver of claim 1, wherein each TDD-frame comprises a plurality of subframes, wherein the receiver is configured to transmit the evaluation data during an downlink subframe in an uplink subframe of an NB-IoT frame. ### Claim 4 (depends on 1) The receiver of claim 1, wherein the second frequency band comprises a second signal, the second signal comprising a plurality of TDD-frames. ### Claim 5 (depends on 1) The receiver of claim 1, wherein the receiver is configured to transmit the evaluation data in at least a first uplink channel in the second frequency band and at least a second uplink channel in a third frequency band, the first uplink channel and the second uplink channel each comprising a bandwidth being narrower when compared to a bandwidth of the first frequency band. ### Claim 6 (depends on 5) The receiver of claim 5, wherein the receiver is configured to aggregate the first uplink channel and the second uplink channel by applying a common channel code to the first uplink channel and the second uplink channel. ### Claim 7 (depends on 5) The receiver of claim 5, wherein the first uplink channel and the second uplink channel are spaced from each other in the frequency domain. ### Claim 8 (depends on 1) The receiver of claim 1, wherein, for acquiring the evaluation data, the receiver is configured to determine a prediction value indicating a likelihood of error-free decoding of the downlink data; and to comprise a positive acknowledgement into the evaluation data when the likelihood is above a threshold value and to comprise a negative acknowledgement into the evaluation data when the likelihood is below the threshold value. ### Claim 9 (depends on 8) The receiver of claim 8, wherein the receiver is configured to transmit the evaluation data before processing of the received download data is completed. ### Claim 10 (depends on 1) The receiver of claim 1, wherein the receiver is configured to comprise a positive acknowledgement indicating an error-free reception of the downlink data into the evaluation data or to comprise, into the evaluation data, a negative acknowledgement indicating a request for retransmission of the downlink data. ### Claim 11 (depends on 1) The receiver of claim 1, wherein the receiver is configured to comprise, into the evaluation data, at least one of information indicating an amount of additional redundancy for retransmission; information indicating one of a frequency, a time, a frame or a slot within a frame for retransmission; information relating to a channel quality determined by the receiver; information related to a code block of the downlink data; and a decoding probability for retransmitted data comprising the additional redundancy. ### Claim 12 (depends on 1) The receiver of claim 1, wherein the receiver is configured to transmit the evaluation data in response to a reception of a retransmission of the downlink data. ### Claim 13 (depends on 1) The receiver of claim 1, wherein the receiver is configured to transmit control data related to a resource allocation of the first signal or to transmit user data together with the evaluation data. ### Claim 14 (depends on 13) The receiver of claim 13, wherein each TDD-frame comprises a plurality of subframes, wherein a subframe of the plurality of subframes is an uplink-only subframe or a downlink-only subframe, wherein the receiver is configured to comprise information indicating a request for using an uplink-only subframe into the evaluation data. ### Claim 15 (depends on 1) The receiver of claim 1, wherein the receiver is configured to operate in accordance with the LTE standard, wherein the second frequency band comprises an NB-IoT channel. ### Claim 16 (depends on 1) The receiver of claim 1, wherein the receiver is configured to receive evaluation data in the second frequency band responsive to a transmission of data in the first frequency band. ### Claim 17 (depends on 1) The receiver of claim 1, wherein the first frequency band is used for a first mobile communication standard, wherein the second frequency band is used for a second mobile communication standard. ### Claim 18 (depends on 1) The receiver of claim 1, wherein the receiver is configured to transmit a control data in the first frequency band, the control data indicating a position of the evaluation data in the second signal in the time domain or in the frequency domain. ### Claim 19 (depends on 1) The receiver of claim 1, wherein the receiver is configured to receive a control data in the first frequency band, the control data indicating a position of the evaluation data in the second signal in the time domain or in the frequency domain, wherein the receiver is configured to transmit the evaluation data at the position in the second signal. ### Claim 20 (depends on 1) The receiver of claim 1, wherein the receiver is configured to transmit schedule data indicating a schedule of a NB-IoT node transmitting in the second frequency band, wherein the receiver is configured to generate the schedule data so as to schedule the transmission of the NB-IoT node to an uplink subframe of a second signal in the second frequency band, the uplink subframe unused for transmission by the receiver or a transmitter communicating with the receiver in the first frequency band. ### Claim 21 A receiver, wherein the receiver is configured to receive and process a radio signal, the radio signal comprising a first frequency band comprising a first signal, the first signal comprising a plurality of TDD-frames; wherein the receiver is configured to transmit data in a second frequency band outside the first frequency band during a downlink-only subframe of a TDD-frame of the plurality of TDD-frames. ### Claim 22 (depends on 21) The receiver of claim 21, wherein the data comprises a control data indicating a control of another communication partner or comprises user data of the receiver. ### Claim 23 A transmitter, wherein the transmitter is configured to receive and process a radio signal, the radio signal comprising a first frequency band comprising a first signal, the first signal comprising a plurality of TDD-frames; wherein the transmitter is configured to evaluate reception of downlink data to acquire evaluation data; wherein the transmitter is configured to transmit the evaluation data in a second frequency band outside the first frequency band. ### Claim 24 (depends on 23) The transmitter of claim 23, wherein the transmitter is configured to transmit schedule data indicating a schedule of a NB-IoT node transmitting in the second frequency band, wherein the transmitter is configured to generate the schedule data so as to schedule the transmission of the NB-IoT node to an uplink subframe of a second signal in the second frequency band, the uplink subframe unused for transmission by the transmitter or a user equipment communicating with the transmitter in the first frequency band. ### Claim 25 (depends on 23) The transmitter of claim 23, wherein the transmitter is configured to receive and process a radio signal, the radio signal comprising a first frequency band comprising a first signal, the first signal comprising a plurality of TDD-frames; wherein the transmitter is configured to transmit data in a second frequency band outside the first frequency band during a downlink-only subframe of a TDD-frame of the plurality of TDD-frames. ### Claim 26 (depends on 25) The transmitter of claim 25, wherein the data comprises a control data indicating a control of another communication partner or comprises user data of the receiver. ### Claim 27 A radio signal, comprising: evaluation data relating to an evaluation of a reception of data received during a TDD-frame of a first signal in a first frequency band, wherein the radio signal comprises a second frequency band and is transmitted during a TDD-frame of the radio signal. ### Claim 28 (depends on 1) A wireless communication system, comprising: a receiver as claimed in claim 1 or a receiver, wherein the receiver is configured to receive and process a radio signal, the radio signal comprising a first frequency band comprising a first signal, the first signal comprising a plurality of TDD-frames; wherein the receiver is configured to transmit data in a second frequency band outside the first frequency band during a downlink-only subframe of a TDD-frame of the plurality of TDD-frames; and a transmitter wherein the transmitter is configured to receive and process a radio signal, the radio signal comprising a first frequency band comprising a first signal, the first signal comprising a plurality of TDD-frames; wherein the transmitter is configured to evaluate reception of downlink data to acquire evaluation data; wherein the transmitter is configured to transmit the evaluation data in a second frequency band outside the first frequency band. ### Claim 29 A method, comprising: receiving and processing a radio signal, the radio signal comprising a first frequency band comprising a first signal, the first signal comprising a plurality of TDD-frames; evaluating reception of downlink data to acquire evaluation data; transmitting the evaluation data in a second frequency band outside the first frequency band. ### Claim 30 A method, comprising: receiving and processing a radio signal, the radio signal comprising a first frequency band comprising a first signal, the first signal comprising a plurality of TDD-frames; transmitting data in a second frequency band outside the first frequency band during a downlink-only subframe of a TDD-frame of the plurality of TDD-frames. ### Claim 31 A non-transitory digital storage medium having a computer program stored thereon to perform a method, the method comprising: receiving and processing a radio signal, the radio signal comprising a first frequency band comprising a first signal, the first signal comprising a plurality of TDD-frames; evaluating reception of downlink data to acquire evaluation data; transmitting the evaluation data in a second frequency band outside the first frequency band, when said computer program is run by a computer. ### Claim 32 A non-transitory digital storage medium having a computer program stored thereon to perform a method, the method comprising: receiving and processing a radio signal, the radio signal comprising a first frequency band comprising a first signal, the first signal comprising a plurality of TDD-frames; transmitting data in a second frequency band outside the first frequency band during a downlink-only subframe of a TDD-frame of the plurality of TDD-frames, when said computer program is run by a computer.