# US 2015/0085805 A1 · Radio communication method, base station and user equipment > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 2015/0085805 A1 - Document ID: US20150085805A1 - Status: Published application - Kind: A1 - Application number: 14/555,784 - Filed: 2014-11-28 - Published: 2015-03-26 - Earliest claimed: 2012-05-31 - Assignees: Huawei Technologies Co., Ltd. - Applicants: Huawei Technologies Co., Ltd. - Inventors: Chaojun LI; Mingyu ZHOU; Yang LI - Web page: https://patentgrep.com/patent/US20150085805A1 ## CPC - H04W 4/08: User group management - H04L 5/1423: {for simultaneous baseband signals} - H04W 72/044: based on the type of the allocated resource - H04W 72/121: for groups of terminals or users - 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 Embodiments of the present invention disclose a radio communication method, a base station and a user equipment. In a system in which the base station supports a full-duplex radio communication, the base station needs to group user equipments within its service range, configure an identical radio resource pattern for user equipments in a same group and configures different radio resource patterns for user equipments in different groups. In this way, in a process that the base station selects, according to the configured radio resource patterns, multiple user equipments, which are in different communication states on the same radio resource for communication, not all the user equipments will receive the uplink data sent by other user equipment, and only user equipments in different groups may have different communication states on the same radio resource respectively. In this way, an interference between user equipments can be reduced appropriately. ## Claims ### Claim 1 A radio communication method, comprising: grouping, by a base station, user equipments within a service range of the base station; configuring, by the base station, radio resource patterns for user equipments in each group, wherein radio resource patterns configured for user equipments in a same group are identical, and radio resource patterns configured for user equipments in different groups are different; and selecting, by the base station, according to the configured radio resource patterns, multiple user equipments, which are respectively in different communication states on a same radio resource, for communication. ### Claim 2 (depends on 1) The method of claim 1, wherein the grouping, by the base station, the user equipments within the service range of the base station, comprises: obtaining, by the base station, path loss information of the user equipments within the service range of the base station, and grouping user equipments, whose path loss differences are smaller than a preset path loss range, into one group; or obtaining, by the base station, service parameters of the user equipments within the service range of the base station, and grouping user equipments with a uniform service parameter into one group, wherein the service parameter includes a service volume and/or a service type; or obtaining, by the base station, information regarding duplexing technologies and/or multiple access technologies supported by the user equipments within the service range of the base station, and grouping user equipments supporting a same duplexing technology and/or multiple access technology into one group; or randomly grouping, by the base station, the user equipments within the service range of the base station. ### Claim 3 (depends on 1) The method of claim 1, wherein after the configuring, by the base station, the radio resource pattern for the user equipments in each group, the method further comprises: informing, by the base station, a corresponding user equipment of the configured radio resource pattern through a high layer signaling or a signaling carried by a downlink control channel. ### Claim 4 (depends on 3) The method of claim 3, wherein the radio resource pattern comprises at least one of following resources: a pattern used for a time domain resource, a pattern used for a frequency domain resource, a pattern used for a time-frequency domain resource, a pattern used for a code domain resource and a pattern used for a space domain resource. ### Claim 5 (depends on 4) The method of claim 4, wherein the pattern used for the time domain resource is a pattern used for a time domain subframe, and the pattern used for the frequency domain resource is a pattern used for a frequency domain resource block. ### Claim 6 (depends on 1) The method of claim 1, wherein the grouping, by a base station, user equipments within a service range of the base station, comprises: grouping, by the base station, the user equipments within a service range of the base station into at least a first group and a second group; the method further comprising: configuring, by the base station, an identical reference signal resource to the user equipments in the same group, and configuring different reference signal resources for the user equipments in the different groups; sending, by the base station, an indication signaling of a reference signal resource configured for user equipments in the second group to user equipments in the first group; and receiving, by the base station, a measurement result of a reference signal, wherein the reference signal is sent by a user equipment in the second group, the measurement result is sent by a user equipment in the first group, the measurement result indicates interference information between the user equipment in the first group and the user equipment in the second group, wherein the selecting, by the base station, the user equipments, which are in different communication states on the same radio resource, for communication, comprises: selecting, by the base station, the user equipments, which are respectively in different communication states on the same radio resource and a mutual interference of which is smaller than a preset range, for communication. ### Claim 7 (depends on 1) The method of claim 1, further comprising: configuring, by the base station, identical system information for the user equipments in the same group, and configuring different system information for the user equipments in different groups. ### Claim 8 (depends on 7) The method of claim 7, further comprising: informing, by the base station, the user equipment of scheduling information of public system information or scheduling information of system information of a baseline group in the configured system information through a signaling carried by a physical downlink control channel, which is scrambled by a radio network temporary identifier of system information; or informing, by the base station, the user equipment of scheduling information of the configured system information of all groups through a signaling carried by the physical downlink control channel, which is scrambled by the radio network temporary identifier of system information; or informing, by the base station, the user equipment of scheduling information of update indication information of the configured public system information or scheduling information of update indication information of system information of the baseline group through a signaling carried by the physical downlink control channel, which is scrambled by a paging radio network temporary identified; or informing, by the base station, corresponding user equipments of scheduling information of system information of respective groups in the configured system information through signalings carried by the physical downlink control channel, which are scrambled by different group radio network temporary identifiers. ### Claim 9 A base station, comprising a processor and a non-transitory processor-readable medium having processor-executable instructions stored thereon, the processor-executable instructions including a plurality of units, the units including: a grouping unit, configured to group user equipments within a service range of a base station; a resource pattern configuring unit, configured to configure radio resource patterns for user equipments in each group, wherein radio resource patterns configured for user equipments in a same group are identical, and radio resource patterns configured for user equipments in different groups are different; and a communication unit, configured to select, according to the configured radio resource patterns configured by the resource pattern configuring unit, multiple user equipments, which are respectively in different communication states on a same radio resource for communication. ### Claim 10 (depends on 9) The base station of claim 9, wherein the grouping unit is configured to obtain path loss information of the user equipments within the service range of the base station, and group user equipments, whose path loss differences are smaller than a preset path loss range, into one group; or the grouping unit is configured to obtain service parameters of the user equipments within the service range of the base station, and group user equipments with a uniform service parameter into one group, wherein the service parameter includes a service volume and/or a service type; or the grouping unit is configured to obtain information regarding duplexing technologies and/or multiple access technologies supported by the user equipments within the service range of the base station, and group user equipments supporting a same duplexing technology and/or multiple access technology into one group; or the grouping unit is configured to randomly group the user equipments within the service range of the base station. ### Claim 11 (depends on 9) The base station of claim 9, further comprising: a resource pattern informing unit, configured to inform of a corresponding user equipment of the configured radio resource pattern through a high layer signaling or a signaling carried by a downlink control channel. ### Claim 12 (depends on 11) The base station of claim 11, wherein the radio resource pattern comprises at least one of following resources: a pattern used for a time domain resource, a pattern used for a frequency domain resource, a pattern used for a time-frequency domain resource, a pattern used for a code domain resource and a pattern used for a space domain resource. ### Claim 13 (depends on 12) The base station of claim 12, wherein the pattern used for the time domain resource is a pattern used for a time domain subframe, and the pattern used for the frequency domain resource is a pattern used for a frequency domain resource block. ### Claim 14 (depends on 9) The base station of claim 9, wherein the grouping unit groups user equipments within a service range of a base station into at least a first group and a second group; the base station further comprising: a reference resource configuring unit, configured to configure an identical reference signal resource for the user equipments in the same group and to configure different reference signal resources for the user equipments in different groups; a reference resource informing unit, configured to send an indication signaling of a reference signal resources configured for user equipments in the second group to user equipments in the first group; and a measurement result receiving unit, configured to receive a measurement result of a reference signal, wherein the reference signal is sent by a user equipment in the second group, the measurement result is sent by a user equipment in the first group, the measurement result indicates the interference information between the user equipment in the first group and the user equipment in the second group, wherein the communication unit is configured to select user equipments, which are respectively in different communication states on the same radio resource and a mutual interference of which is smaller than a preset range, for communication. ### Claim 15 (depends on 9) The base station of claim 9, further comprising: a system information configuring unit, configured to configure identical system information for the user equipments in the same group and configure different system information for the user equipments in different groups. ### Claim 16 (depends on 15) The base station of claim 15, further comprising: a system information informing unit, configured to inform the user equipment of scheduling information of public system information or scheduling information of system information of a baseline group in the configured system information through a signaling carried by a physical downlink control channel, which is scrambled by a radio network temporary identifier of system information; or a system information informing unit, configured to inform the user equipment of scheduling information of the configured system information of all groups through the signaling carried by the physical downlink control channel, which is scrambled by the radio network temporary identifier of the system information; or a system information informing unit, configured to inform the user equipment of scheduling information of update indication information of public system information or scheduling information of update indication information of system information of the baseline group in the configured system information through the signaling carried by the physical downlink control channel, which is scrambled by a paging radio network temporary identifier; or a system information informing unit, configured to inform corresponding user equipments scheduling information of system information of respective groups in the configured system information through signalings carried by a physical downlink control channel, which are scrambled by different group radio network temporary identifiers. ### Claim 17 A user equipment, comprising a processor and a non-transitory processor-readable medium having processor-executable instructions stored thereon, the processor-executable instructions including a plurality of units, the units including: a resource pattern obtaining unit, configured to obtain information of a radio resource pattern configured by a base station for user equipment, wherein the radio resource pattern is the same as a radio resource pattern of a user equipment in a same group with the user equipment, and is different from a radio resource pattern of other user equipments, which are not in the same group with the user equipment; and a radio communication unit, configured to perform, according to the information of the radio resource pattern, a radio communication with the base station. ### Claim 18 (depends on 17) The user equipment of claim 17, further comprising: a reference indication receiving unit, configured to receive an indication signaling of a reference signal resource configured by the base station for other user equipment in a different group with the user equipment; a reference signal communication unit, configured to receive a reference signal sent by said other user equipment on the reference signal resource indicated by the indication signaling; and a measurement reporting unit, configured to measure the reference signal and report a measurement result to the base station to enable the base station to select, according to the measurement result, user equipments, which are respectively in different communication states on a same radio resource and a mutual interference of which is smaller than a preset range, for communication wherein the measurement result indicates interference information between the user equipment and the user equipment in other group. ### Claim 19 (depends on 17) The user equipment of claim 17, further comprising: a system information receiving unit, configured to receive system information configured by the base station for the user equipment, wherein the system information is the same as system information of the user equipment in the same group with the user equipment, and is different from system information of other user equipment which is not in the same group with the user equipment.