A computing node (900, 950) to implement a spectrum harvesting entity in a wireless network configured for crowd source-based unlicensed spectrum harvesting, the node (900, 950) comprising: interface circuitry; and processing circuitry coupled to the interface circuitry, the processing circuitry configured to: select a set of crowdsourcing nodes from a plurality of crowdsourcing nodes available in the wireless network; decode a plurality of spectrum occupancy reports, SORs, received from the set of crowdsourcing nodes via the interface circuitry, each SOR of the plurality of SORs indicating a channel occupancy status of a communication channel in the unlicensed spectrum sensed by a corresponding crowdsourcing node of the set and geolocation associated with the corresponding crowdsourcing node; and generate a spectrum occupancy map of the unlicensed spectrum based on the channel occupancy status and the geolocation provided in the plurality of SORs by each crowdsourcing node of the set of crowdsourcing nodes; wherein the channel occupancy status indicates one of occupied status or unoccupied status for the communication channel, and wherein the processing circuitry is further configured to determine confidence of occupancy, COO, information associated with the communication channel based on each SOR of the plurality of SORs, the COO information including probability of detection the communication channel is in the occupied status; and wherein to select the set of crowdsourcing nodes from the plurality of crowdsourcing nodes, the processing circuitry is configured to: determine the plurality of crowdsourcing nodes based on one or more operating parameters indicative of node power status; and encode a request for a SOR for transmission to each of the plurality of crowdsourcing nodes via the interface circuitry. interface circuitry; and processing circuitry coupled to the interface circuitry, the processing circuitry configured to: select a set of crowdsourcing nodes from a plurality of crowdsourcing nodes available in the wireless network; decode a plurality of spectrum occupancy reports, SORs, received from the set of crowdsourcing nodes via the interface circuitry, each SOR of the plurality of SORs indicating a channel occupancy status of a communication channel in the unlicensed spectrum sensed by a corresponding crowdsourcing node of the set and geolocation associated with the corresponding crowdsourcing node; and generate a spectrum occupancy map of the unlicensed spectrum based on the channel occupancy status and the geolocation provided in the plurality of SORs by each crowdsourcing node of the set of crowdsourcing nodes; select a set of crowdsourcing nodes from a plurality of crowdsourcing nodes available in the wireless network; decode a plurality of spectrum occupancy reports, SORs, received from the set of crowdsourcing nodes via the interface circuitry, each SOR of the plurality of SORs indicating a channel occupancy status of a communication channel in the unlicensed spectrum sensed by a corresponding crowdsourcing node of the set and geolocation associated with the corresponding crowdsourcing node; and generate a spectrum occupancy map of the unlicensed spectrum based on the channel occupancy status and the geolocation provided in the plurality of SORs by each crowdsourcing node of the set of crowdsourcing nodes; wherein the channel occupancy status indicates one of occupied status or unoccupied status for the communication channel, and wherein the processing circuitry is further configured to determine confidence of occupancy, COO, information associated with the communication channel based on each SOR of the plurality of SORs, the COO information including probability of detection the communication channel is in the occupied status; and wherein to select the set of crowdsourcing nodes from the plurality of crowdsourcing nodes, the processing circuitry is configured to: determine the plurality of crowdsourcing nodes based on one or more operating parameters indicative of node power status; and encode a request for a SOR for transmission to each of the plurality of crowdsourcing nodes via the interface circuitry. determine the plurality of crowdsourcing nodes based on one or more operating parameters indicative of node power status; and encode a request for a SOR for transmission to each of the plurality of crowdsourcing nodes via the interface circuitry.