# US 2013/0155983 A1 · Communication terminal, communication device, method for data communication, and method for frequency allocation > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 2013/0155983 A1 - Document ID: US20130155983A1 - Status: Published application - Kind: A1 - Application number: 13/765,777 - Filed: 2013-02-13 - Published: 2013-06-20 - Earliest claimed: 2010-06-18 - Assignees: Intel Mobile Communications GmbH - Inventors: Hyung-Nam Choi; Maik Bienas; Andreas Schmidt - Web page: https://patentgrep.com/patent/US20130155983A1 ## CPC - H04W 72/541: using the level of interference - H04L 5/0062: {Avoidance of ingress interference, e.g. ham radio channels} - H04L 5/0091: {Signalling for the administration of the divided path, e.g. signalling of configuration information} - H04W 72/02: Selection of wireless resources by user or terminal - 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 A communication terminal is described comprising a determiner configured to determine, for a frequency region, a plurality of first communication devices from which the communication terminal receives a signal via the frequency region; a selector configured to select at least one of the first communication devices based on a predetermined interference criterion; a signal generator configured to generate a signal with an identification of the at least one selected first communication device; and a transceiver configured to transmit the signal to a second communication device, to receive an indication from the second communication device specifying whether the communication terminal should use the frequency region for data communication with the second communication device, and to carry out data communication with the second communication device using the frequency region depending on the indication. ## Claims ### Claim 1 A communication device comprising: a determiner configured to determine, for a frequency region, an interference criterion according to which a communication terminal is to select at least one other communication device from a plurality of other communication devices from which the communication terminal receives at least one signal via the frequency region; a transceiver configured to transmit, for the frequency region, a first signal with a specification of the determined interference criterion to the communication terminal, to receive, for the frequency region, for each of at least one of the other communication devices selected by the communication terminal an identification of the selected other communication device and measurement information about the at least one signal received by the communication terminal from the selected other communication device, and to transmit a second signal with an indication specifying whether to use the frequency region for data communication with the communication device. ### Claim 2 (depends on 1) The communication device according to claim 1, further comprising a further determiner configured to determine, for the frequency region, a number of the other communication devices the communication terminal is to select from the plurality of other communication devices wherein the first signal specifies the determined number. ### Claim 3 (depends on 1) The communication device according to claim 1, wherein the communication terminal is to select the at least one other communication device if the interference criterion is fulfilled for the other communication device. ### Claim 4 (depends on 1) The communication device according to claim 1, wherein the communication terminal is to select the at least one other communication device based on a comparison of the received signal strengths of the signals received from the other communication devices. ### Claim 5 (depends on 4) The communication device according to claim 4, wherein the communication terminal is to select the at least one other communication device from which signals are received having the highest signal strengths among the other communication devices. ### Claim 6 (depends on 1) The communication device according to claim 1, wherein the transceiver is further configured to receive an indication of the level of interference of the at least one selected other communication device. ### Claim 7 (depends on 1) The communication device according to claim 1, wherein the communication terminal is a user terminal of cellular radio communication network. ### Claim 8 (depends on 7) The communication device according to claim 7, being a base station of the cellular radio communication network. ### Claim 9 (depends on 1) The communication terminal according to claim 1, wherein the other communication devices are base stations, relay communication devices, or low power communication devices. ### Claim 10 (depends on 1) The communication terminal according to claim 1, wherein the frequency region is a component carrier. ### Claim 11 A method for frequency allocation comprising: determining, for a frequency region, an interference criterion according to which a communication terminal is to select at least one other communication device from a plurality of other communication devices from which the communication terminal receives at least one signal via the frequency region; transmitting, for the frequency region, a first signal with a specification of the determined interference criterion to the communication terminal; receiving, for the frequency region, for each of at least one of the other communication devices selected by the communication terminal an identification of the selected other communication device and measurement information about the at least one signal received by the communication terminal from the selected other communication device, and transmitting a second signal with an indication specifying whether to use the frequency region for data communication with the communication device. ### Claim 12 (depends on 11) The method according to claim 11, further comprising determining, for the frequency region, a number of the other communication devices the communication terminal is to select from the plurality of other communication devices wherein the first signal specifies the determined number. ### Claim 13 (depends on 11) The method according to claim 11, wherein the communication terminal is to select the at least one other communication device if the interference criterion is fulfilled for the other communication device. ### Claim 14 (depends on 11) The method according to claim 11, wherein the communication terminal is to select the at least one other communication device based on a comparison of the received signal strengths of the signals received from the other communication devices. ### Claim 15 (depends on 14) The method according to claim 14, wherein the communication terminal is to select the at least one other communication device from which signals are received having the highest signal strengths among the other communication devices. ### Claim 16 (depends on 11) The method according to claim 11, further comprising receiving an indication of the level of interference of the at least one selected other communication device. ### Claim 17 (depends on 11) The method according to claim 11, wherein the communication terminal is a user terminal of cellular radio communication network. ### Claim 18 (depends on 17) The method according to claim 17, being carried out by a base station of the cellular radio communication network. ### Claim 19 (depends on 11) The method according to claim 11, wherein the other communication devices are base stations, relay communication devices, or low power communication devices. ### Claim 20 (depends on 11) The method according to claim 11, wherein the frequency region is a component carrier.