# US 2019/0173555 A1 · Electronic device and method for network control terminal and network node > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 2019/0173555 A1 - Document ID: US20190173555A1 - Status: Published application - Kind: A1 - Application number: 16/323,794 - Filed: 2017-11-03 - Published: 2019-06-06 - Earliest claimed: 2016-11-24 - Assignees: Sony Corporation - Applicants: Sony Corporation - Inventors: Jin XU; Chaonan HE; Hang YANG; Siqi LIU; Cheng GAO; Jianfei CAO - Web page: https://patentgrep.com/patent/US20190173555A1 ## CPC - H04B 7/0626: {Channel coefficients, e.g. channel state information [CSI]} - 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 7/0617: {for beam forming} - H04B 17/327: Received signal code power [RSCP] - H04J 11/00: Orthogonal multiplex systems, {e.g. using WALSH codes}(H04J13/00 takes precedence) - H04J 11/0056: {Inter-base station aspects} - H04L 1/0026: {Transmission of channel quality indication} - H04L 1/1614: {using bitmaps} - H04L 1/20: using signal quality detector - H04L 5/0048: {Allocation of pilot signals, i.e. of signals known to the receiver (allocation of control signalling H04L5/0053; use of control signalling H04L5/0091)} - H04L 5/005: {of common pilots, i.e. pilots destined for multiple users or terminals} - H04W 24/10: Scheduling measurement reports {; Arrangements for measurement reports} - H04W 88/085: {Access point devices with remote components} - H04B 7/0413: MIMO systems - H04B: TRANSMISSION - H04J: MULTIPLEX COMMUNICATION (transmission in general H04B; peculiar to transmission of digital information H04L5/00; systems for the simultaneous or sequential transmission of more than one television signal H04N7/08; in exchanges H04Q11/00; stereophonic systems H04S) - H04L: TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION (arrangements common to telegraphic and telephonic communication H04M) - H04W: WIRELESS COMMUNICATION NETWORKS (broadcast communication H04H; communication systems using wireless links for non-selective communication, e.g. wireless extensions H04M1/72) ## Abstract Provided in the disclosure are an electronic device and method for a network control terminal, and an electronic device and method for a network node. The electronic device and method for a network control terminal comprise: a processing circuit configured to determine, based on first indication information from an adjacent network control terminal, that a network node served by the present network control terminal measures a channel state information reference signal (CSI RS) port of reference signal receiving power (RSRP) of same, wherein the first indication information indicates an interference state of the CSI RS port used by the corresponding adjacent network control terminal; and determine, based on a measurement result from the network node, the adjacent network control terminal interfering with the network node, and the CSI RS port thereof. ## Claims ### Claim 1 An electronic apparatus for a network control terminal, comprising: processing circuitry, configured to: determine, based on first indication information from an adjacent network control terminal, a channel status information reference signal (CSI RS) port of which reference signal receiving power (RSRP) is to be measured by a network node served by the present network control terminal, wherein, the first indication information indicates interference status of CSI RS ports used by the corresponding adjacent network control terminal; and determine, based on a measurement result of the network node, an adjacent network control terminal and a CSI RS port thereof producing interferences to the network node. ### Claim 2 (depends on 1) The electronic apparatus according to claim 1, wherein, the processing circuitry is further configured to generate interference indication information with respect to the adjacent network control terminal producing interferences to the network node, to indicate the CSI RS port producing interferences to the network node. ### Claim 3 (depends on 1) The electronic apparatus according to claim 1, wherein, the first indication information indicates information of a CSI RS port of which the RSRP is below a first predetermined threshold among the CSI RS ports used by the adjacent network control terminal, and the processing circuitry is configured to determine the CSI RS port of which the RSRP is below the first predetermined threshold as the CSI RS port to be measured by the network node. ### Claim 4 (depends on 3) The electronic apparatus according to claim 3, wherein, the first predetermined threshold is set according to an emitting power of the adjacent network control terminal. ### Claim 5 (depends on 3) The electronic apparatus according to claim 3, wherein, the first indication information further comprises information of correspondence relationship between the CSI RS port of which the RSRP is below the first predetermined threshold and a beam. ### Claim 6 (depends on 1) The electronic apparatus according to claim 1, wherein, the measurement result comprises information of a port number of at least a part of CSI RS ports of which the measured RSRP is higher than a second predetermined threshold. ### Claim 7 (depends on 2) The electronic apparatus according to claim 2, wherein, the processing circuitry is further configured to modify the interference indication information into a format of not including any CSI RS port to indicate to the adjacent network control terminal, in the case that no first indication information is received from the adjacent network control terminal within a first predetermined time of period after generating the interference indication information. ### Claim 8 (depends on 2) The electronic apparatus according to claim 2, further comprising: a transceiver, configured to receive from the adjacent network control terminal the first indication information, and transmit the interference indication information to the adjacent network control terminal. ### Claim 9 (canceled) ### Claim 10 An electronic apparatus for a network control terminal, comprising: processing circuitry, configured to: acquire, from a network node served by the present network control terminal, a measurement result of RSRP by the network node with respect to CSI RS ports used by the present network control terminal; and generate, based on the measurement result, a first indication information indicating interference status of the CSI RS ports used by the present network control terminal. ### Claim 11 (depends on 10) The electronic apparatus according to claim 10, wherein, the processing circuitry is configured to generate the first indication information, in the case that the measurement results of more than or equal to a predetermined number of network nodes are consistent. ### Claim 12 (depends on 10) The electronic apparatus according to claim 10, further comprising: a transceiver, configured to receive the measurement result from the network node and transmit the first indication information to the adjacent network control terminal. ### Claim 13 (depends on 12) The electronic apparatus according to claim 12, wherein, the transceiver is further configured to receive, from the adjacent network control terminal, interference indication information indicating a CSI port producing interferences to a network node served by the adjacent network control terminal among the CSI RS ports used by the present network control terminal, and the processing circuitry is further configured to determine, based on the interference indication information, an interfering beam producing interferences to the network node served by the adjacent network control terminal. ### Claim 14 (depends on 13) The electronic apparatus according to claim 13, wherein, the processing circuitry is further configured to switch the determined interfering beam from beam-forming CSI RS to non-precoded CSI RS, or multiplex the interfering beam with the adjacent network control terminal in a time-division manner. ### Claim 15 (depends on 14) The electronic apparatus according to claim 14, wherein, the processing circuitry is further configured to perform the switching process or time-division multiplexing process, when more than or equal to a predetermined number of pieces of interference indication information with respect to the same interfering beam are received within a second predetermined time of period. ### Claim 16 (depends on 14) The electronic apparatus according to claim 14, wherein, the processing circuitry is further configured to switch the interfering beam from non-precoded CSI RS to beam-forming CSI RS, or stop multiplexing the interfering beam in a time-division manner, in response to the interference indication information containing no CSI RS port from the adjacent network control terminal. ### Claim 17 An electronic apparatus for a network node, comprising: processing circuitry, configured to: evaluate quality of service of the network node; measure RSRP of CSI RS ports used by the network node, when the quality of service is lower than a predetermined level; and generate, based on a measurement result, information indicating interference status of the CSI RS ports. ### Claim 18 (depends on 17) The electronic apparatus according to claim 17, wherein, the information comprising information indicating a CSI RS port of which the measured RSRP is lower than a first predetermined threshold. ### Claim 19 (canceled) ### Claim 20 (depends on 17) The electronic apparatus according to claim 17, wherein, the processing circuitry is further configured to measure the RSRP of a CSI RS port which is determined to be measured by a network control terminal based on first indication information from an adjacent network control terminal, and report a measurement result to the network control terminal, wherein, the first indication information indicates interference status of CSI RS ports used by the corresponding adjacent network control terminal. ### Claim 21 (depends on 20) The electronic apparatus according to claim 20, wherein, the processing circuitry reports information of a port number of at least a part of CSI RS ports of which the measured RSRP is higher than a second predetermined threshold, to the network control terminal. ### Claim 22 (depends on 17) The electronic apparatus according to claim 17, further comprising: a transceiver, configured to transmit the generated information indicating the interference status of the CSI RS ports to the network control terminal. ### Claim at position 23 23-25. (canceled)