# US 2019/0246322 A1 · Control Of Transmission Of Mobility Reference Signals > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 2019/0246322 A1 - Document ID: US20190246322A1 - Status: Published application - Kind: A1 - Application number: 16/335,787 - Filed: 2016-09-30 - Published: 2019-08-08 - Earliest claimed: 2016-09-30 - Assignees: Telefonaktiebolaget LM Ericsson (publ) - Applicants: Telefonaktiebolaget LM Ericsson (publ) - Inventors: Henrik Ronkainen; Christer Östberg - Web page: https://patentgrep.com/patent/US20190246322A1 ## CPC - H04W 36/0072: {of resource information of target access point} - 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)} - H04W 36/0085: {Hand-off measurements} - H04W 36/06: Reselecting a communication resource in the serving access point - H04W 36/302: {due to low signal strength} - 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 first access node obtains (601) an identity of a plurality of MRSs associated with the first access node, determines (602) an identity of a second mobility beam associated with a second access node, which second mobility beam is a neighbour mobility beam to a first mobility beam associated with the first access node, wherein the identity of the second mobility beam is determined based on a neighbour relation between the second mobility beam and the first mobility beam, and controls the transmission of MRSs by transmitting (605), to the second access node, a request to transmit a reference signal for mobility comprised in the plurality of MRSs, on the second mobility beam, and wherein the request comprises: a respective identity of one or more MRSs comprised in the plurality of MRSs, which respective identity is based on the identity of the plurality of MRSs, and the identity of the second mobility beam. ## Claims ### Claim at position 1 1-25. (canceled) ### Claim 26 A method, performed by a first access node, for controlling transmission of reference signals for mobility carried by beams for mobility in a wireless communications network, the method comprising the first access node: obtaining an identity of a plurality of reference signals for mobility associated with the first access node; determining an identity of a second beam for mobility associated with a second access node; the second beam for mobility being a neighbor beam for mobility to a first beam for mobility associated with the first access node; wherein the identity of the second beam for mobility is determined based on a neighbor relation between the second beam for mobility and the first beam for mobility; controlling transmission of the reference signals for mobility by transmitting, to the second access node, a request to transmit a reference signal for mobility comprised in the plurality of reference signals for mobility, on the second beam for mobility; wherein the request comprises: a respective identity of one or more reference signals for mobility comprised in the plurality of reference signals for mobility, which respective identity is based on the identity of the plurality of reference signals for mobility; and the identity of the second beam for mobility. ### Claim 27 (depends on 26) The method of claim 26, further comprising receiving, from the second access node, a confirmation message in response to the request; the confirmation message indicating that the second access node transmits one of the respectively identified one or more reference signals for mobility on the second beam for mobility. ### Claim 28 (depends on 26) The method of claim 26, further comprising: configuring a wireless communication device to receive the plurality of reference signals for mobility by transmitting the identity of the plurality of reference signals for mobility to the wireless communication device; and receiving a request for a mobility action from the wireless communication device; wherein the transmitting the request to transmit the reference signal for mobility on the second beam for mobility is performed in response to the received request for the mobility action. ### Claim 29 (depends on 26) The method of claim 26, wherein the request comprises a prioritization regarding which of the one or more reference signals for mobility to transmit on the second beam for mobility. ### Claim 30 (depends on 26) The method of claim 26, wherein an identity of a reference signal for mobility is based on when in time the reference signal for mobility is transmitted. ### Claim 31 (depends on 26) The method of claim 26, wherein the plurality of reference signals for mobility are unique within a coverage area of the first access node. ### Claim 32 A first access node for controlling transmission of reference signals for mobility, carried by beams for mobility in a wireless communications network, the first access node comprising: processing circuitry; memory containing instructions executable by the processing circuitry whereby the first access node is operative to: obtain an identity of a plurality of reference signals for mobility associated with the first access node, determine an identity of a second beam for mobility associated with a second access node, which second beam for mobility is a neighbor beam for mobility to a first beam for mobility associated with the first access node, wherein the identity of the second beam for mobility is determined based on a neighbor relation between the second beam for mobility and the first beam for mobility; control the transmission of the reference signals for mobility by transmitting, to the second access node, a request to transmit a reference signal for mobility comprised in the plurality of reference signals for mobility, on the second beam for mobility; and wherein the request comprises: a respective identity of one or more reference signals for mobility comprised in the plurality of reference signals for mobility, which respective identity is based on the identity of the plurality of reference signals for mobility; and the identity of the second beam for mobility. ### Claim 33 (depends on 32) The first access node of claim 32, wherein the instructions are such that the first access node is operative to receive, from the second access node, a confirmation message in response to the request to transmit the reference signal for mobility on the second beam for mobility, the confirmation message indicating that the second access node transmits one of the respectively identified one or more reference signals for mobility on the second beam for mobility. ### Claim 34 (depends on 32) The first access node of claim 32, wherein the instructions are such that the first access node is operative to: configure a wireless communication device to receive the plurality of reference signals for mobility by transmitting the identity of the plurality of reference signals for mobility to the wireless communication device; and receive a request for a mobility action from the wireless communication device; in response to the received request for the mobility action, perform the transmitting the request to transmit the reference signal for mobility on the second beam for mobility. ### Claim 35 (depends on 32) The first access node of claim 32, wherein the request to transmit the reference signal for mobility comprises a prioritization regarding which of the one or more reference signals for mobility to transmit on the second beam for mobility. ### Claim 36 (depends on 32) The first access node of claim 32, wherein an identity of a reference signal for mobility is based on when in time the specific mobility reference signal is transmitted. ### Claim 37 (depends on 32) The first access node of claim 32, wherein the plurality of reference signals for mobility are unique within a coverage area of the first access node. ### Claim 38 A method, performed by a second access node, for controlling transmission of reference signals for mobility carried by beams for mobility in a wireless communications network, the method comprising the second access node: receiving, from a first access node, a request to transmit a reference signal for mobility associated with the first access node, on a second beam for mobility associated with the second access node, wherein the request comprises: a respective identity of one or more reference signals for mobility associated with the first access node; and an identity of the second beam for mobility; determining, based on the received respective identity of the one or more reference signals for mobility, the reference signal for mobility for transmission on the second beam for mobility; and transmitting the determined reference signal for mobility on the second beam for mobility. ### Claim 39 (depends on 38) The method of claim 38, further comprising, in response to the request to transmit the reference signal for mobility on the second beam for mobility, transmitting a confirmation message to the first access node, which confirmation message indicates that the second access node transmits one of the respectively identified one or more reference signals for mobility on the second beam for mobility. ### Claim 40 (depends on 38) The method of claim 38, further comprising: obtaining an identity of a plurality of reference signals for mobility associated with the second access node; receiving a synchronization signal from the wireless communication device; and configuring a wireless communication device to monitor individual reference signals for mobility, comprised in the plurality of reference signals for mobility, on beams for mobility associated with the second access node by transmitting, to the wireless communication device, an uplink grant, a timing advance, and the identity of the plurality of reference signals for mobility, in a response to the synchronization signal; wherein the configuring the wireless communication device to monitor individual reference signals for mobility is based on a relation between the identity of the plurality of reference signals for mobility and respective identities of individual reference signals for mobility comprised in the plurality of reference signals for mobility. ### Claim 41 A second access node for controlling transmission of reference signals for mobility carried by beams for mobility in a wireless communications network, the second access node comprising: processing circuitry; memory containing instructions executable by the processing circuitry whereby the second access node is operative to: receive, from a first access node, a request to transmit a reference signal for mobility associated with the first access node, on a second beam for mobility associated with the second access node; wherein the request comprises: a respective identity of one or more reference signals for mobility associated with the first access node; and an identity of the second beam for mobility; determine, based on the received respective identity of the one or more reference signals for mobility, the reference signal for mobility for transmission on the second beam for mobility; and transmit the determined reference signal for mobility on the second beam for mobility. ### Claim 42 (depends on 41) The second access node of claim 41, wherein the instructions are such that the second access node is operative to, in response to the request to transmit the reference signal for mobility on the second beam for mobility, transmit a confirmation message to the first access node, the confirmation message indicating that the second access node transmits one of the respectively identified one or more reference signals for mobility on the second beam for mobility. ### Claim 43 (depends on 41) The second access node of claim 41, wherein the instructions are such that the second access node is operative to: obtain an identity of a plurality of reference signals for mobility associated with the second access node; receive a synchronization signal from a wireless communication device; configure the wireless communication device to monitor individual reference signals for mobility, comprised in the plurality of reference signals for mobility, on beams for mobility associated with the second access node by transmitting, to the wireless communication device, an uplink grant, a timing advance, and the identity of the plurality of reference signals for mobility in a response to the synchronization signal; wherein the configuring the wireless communication device to monitor individual reference signals for mobility is based on a relation between the identity of the plurality of reference signals for mobility and respective identities of individual reference signals for mobility comprised in the plurality of reference signals for mobility. ### Claim 44 A method, performed by a wireless communication device, for receiving reference signals for mobility carried by beams for mobility in a wireless communications network, the method comprising: receiving an identity of a plurality of reference signals for mobility associated with a first access node; scheduling, based on a relation between the identity of the plurality of reference signals for mobility and respective identities of individual reference signals for mobility comprised in the plurality of reference signals for mobility, detection and measurements of respective individual reference signals for mobility, comprised in the plurality of reference signals for mobility; and receiving, from a second access node, a reference signal for mobility out of the plurality of reference signals for mobility, which reference signal for mobility is received on a beam for mobility associated with the second access node. ### Claim 45 (depends on 44) The method of claim 44, further comprising: transmitting a request for a mobility action to the first access node; and receiving the reference signal for mobility on the beam for mobility associated with the second access node, in response to the transmitted request for the mobility action. ### Claim 46 (depends on 44) The method of claim 44, further comprising: receiving, from the second access node, an uplink grant, a timing advance, and a second identity of a second plurality of reference signals for mobility associated with the second access node, in a response to a synchronization signal; and scheduling, based on a relation between the second identity of the second plurality of reference signals for mobility and respective identities of individual reference signals for mobility comprised in the second plurality of reference signals for mobility, detection and measurements of respective individual reference signals for mobility, comprised in the second plurality of reference signals for mobility. ### Claim 47 A wireless communication device for receiving reference signals for mobility carried by beams for mobility in a wireless communications network, the wireless communication device comprising: processing circuitry; memory containing instructions executable by the processing circuitry whereby the wireless communication device is operative to: receive an identity of a plurality of reference signals for mobility associated with a first access node; schedule, based on a relation between the identity of the plurality of reference signals for mobility and respective identities of individual reference signals for mobility comprised in the plurality of reference signals for mobility, detection and measurements of respective individual reference signals for mobility, comprised in the plurality of reference signals for mobility; and receive, from a second access node, a reference signal for mobility out of the plurality of reference signals for mobility, the reference signal for mobility being received on a beam for mobility associated with the second access node. ### Claim 48 (depends on 47) The wireless communication device of claim 47, wherein the instructions are such that the wireless communication device is operative to: transmit a request for a mobility action to the first access node; and receive, in response to the transmitted request for the mobility action, the reference signal for mobility on the beam for mobility associated with the second access node. ### Claim 49 (depends on 47) The wireless communication device of claim 47, wherein the instructions are such that the wireless communication device is operative to: receive, from the second access node, an uplink grant, a timing advance, and a second identity of a second plurality of reference signals for mobility associated with the second access node, in a response to a synchronization signal; and schedule, based on a relation between the second identity of the second plurality of reference signals for mobility and respective identities of individual reference signals for mobility comprised in the second plurality of reference signals for mobility, detection and measurements of respective individual reference signals for mobility, comprised in the second plurality of reference signals for mobility.