Mobility-aware access control

Abstract

Certain aspects of the present disclosure provide techniques for mobility-aware access control. A method that may be performed by a first wireless device generally includes receiving one or more signals from a second wireless device in the network, wherein the one or more signals provide an indication of a mobility state corresponding to the second wireless device; determining whether to establish a connection with the second wireless device based, at least in part, on the indication of the mobility state corresponding to the second wireless device; and taking one or more actions based on the determination. Other aspects, embodiments, and features are also claimed and described.

What is claimed is: 
     
         1 . A first network node for wireless communication in a network, comprising:
 a communication interface; and   one or more processors coupled to the communication interface, the one or more processors being configured to:
 receive mobility state information for a second network node in the network; 
 determine whether to establish a connection with the second network node based on the mobility state information for the second network node; and 
 perform one or more actions based on the determination. 
   
     
     
         2 . The first network node of  claim 1 , wherein:
 the second network node comprises a target cell in the network; and   the first network node comprises one of a user equipment (UE) or a mobile termination component (MT) of an integrated access and backhaul (IAB) node.   
     
     
         3 . The first network node of  claim 1 , wherein to receive the mobility state information, the one or more processors are configured to receive at least one of a synchronization signal block (SSB), a physical broadcast channel (PBCH) signal, a remaining system information (RMSI) signal, a random access channel (RACH) message 2, or a RACH message 4. 
     
     
         4 . The first network node of  claim 1 , wherein to determine whether to establish the connection with the second network node, the one or more processors are configured to:
 evaluate one or more cell selection criteria related to the mobility state information for the second network node; and   determine to establish the connection with the second network node when, based on the mobility state information for the second network node, the one or more cell selection criteria are satisfied; or   determine not to establish the connection with the second network node when, based on the mobility state information for the second network node, the one or more cell selection criteria are not satisfied.   
     
     
         5 . The first network node of  claim 1 , wherein the mobility state information for the second network node is one of:
 an implicit indication based on one or more resources used to transmit one or more signals including the mobility state information; or   an explicit indication included in the one or more signals.   
     
     
         6 . The first network node of  claim 1 , wherein to determine whether to establish a connection with the second network node, the one or more processors are configured to:
 transmit a measurement report to a third network node based on one or more signals including the mobility state information for the second network node and the mobility state information for the second network node; and   receive a handover command to hand over to the second network node based on at least one of the measurement report or the mobility state information for the second network node,   wherein to perform the one or more actions, the one or more processors are configured to perform the one or more actions based on the handover command.   
     
     
         7 . The first network node of  claim 6 , wherein:
 the measurement report includes information representing the mobility state information for the second network node,   the one or more processors are configured to transmit the measurement report based on a triggering event, and   the triggering event is based on the mobility state information for the second network node.   
     
     
         8 . The first network node of  claim 1 , wherein:
 the first network node comprises a target cell in the network; and   the second network node comprises one of a user equipment (UE) or a mobile termination component (MT) of an integrated access and backhaul (IAB) node.   
     
     
         9 . The first network node of  claim 1 , wherein to receive the mobility state information, the one or more processors are configured to receive at least one of:
 a random access channel (RACH) message 1 including a RACH preamble ID representing the mobility state information;   a RACH message 3 including the mobility state information; or   information from resources used to transmit the RACH message 1 indicating the mobility state information.   
     
     
         10 . The first network node of  claim 1 , wherein to determine whether to establish the connection with the second network node, the one or more processors are configured to:
 perform prioritization based on the mobility state information for the second network node; and   determine whether to establish the connection with the second network node based on the prioritization.   
     
     
         11 . The first network node of  claim 1 , wherein the mobility state information provides an indication of at least one of:
 a level of mobility for the second network node, the level of mobility being one of stationary mobility, low-speed mobility, medium-speed mobility, or high-speed mobility; or   a change or transition from one mobility state to another for the second network node.   
     
     
         12 . The first network node of  claim 1 , wherein the one or more processors are further configured to determine a mobility state of the first network node relative to the second network node, wherein:
 the one or more processors are configured to determine whether the first network node has low mobility relative to the second network node or high mobility relative to the second network node, wherein when the first network node has high mobility relative to the second network node, the one or more processors are configured to determine whether the first network node is moving towards or away from the second network node; and   the one or more processors are configured to determine whether to establish the connection with the second network node based on whether the first network node has the low mobility relative to the second network node, the first network node has the high mobility relative to the second network node, and whether the first network node is moving towards or away from the second network node.   
     
     
         13 . The first network node of  claim 1 , wherein the one or more processors are further configured to determine one or more signal metrics associated with the second network node and one or more variations in the signal metrics associated with the second network node, wherein to determine whether to establish the connection with the second network node, the one or more processors are further configured to determine whether to establish the connection with the second network node based on the one or more signal metrics associated with the second network node and the one or more variations in the signal metrics associated with the second network node. 
     
     
         14 . A first network node for wireless communication, comprising:
 a communication interface; and   one or more processors coupled to the communication interface, wherein the one or more processors are configured to:
 cause the first network node to camp on a first cell in a network; 
 receive a conditional handover command from a second network node to hand over to a second cell in the network, wherein the conditional handover command includes one or more conditions based on mobility state information for the second cell; and 
 perform one or more actions based on the conditional handover command. 
   
     
     
         15 . The first network node of  claim 14 , to perform the one or more actions, the one or more processors are configured to:
 receive information of one or more signals received from the second cell;   determine whether or not to handover to the second cell based at least in part on the one or more signals and the one or more conditions;   determine, based on the one or more signals, the mobility state information for the second cell; and   initiate a handover procedure to hand over to the second cell if the one or more conditions are satisfied based on the one or more signals; or   determine not to hand over to the second cell if the one or more conditions are not satisfied based on the one or more signals.   
     
     
         16 . The method of  claim 14 , wherein the mobility state information for the second cell in the network provides an indication of at least one of:
 a level of mobility comprising one of stationary mobility, low-speed mobility, medium-speed mobility, or high-speed mobility; or   a change or transition from one mobility state to another.   
     
     
         17 . A first network node for wireless communication, comprising:
 a communication interface; and   one or more processors coupled to the communication interface, the one or more processors being configured to:
 communicate with a second network node in a network that is camping on a first cell in the network; and 
 transmit a conditional handover command to the second network node, wherein the conditional handover command instructs the second network node to hand over from the first cell to a second cell in the network, wherein the conditional handover command includes one or more conditions based on mobility state information for the second cell. 
   
     
     
         18 . The first network node of  claim 17 , wherein the conditional handover command is based on prior measurement information or prior location information associated with at least one of the second network device or the second cell. 
     
     
         19 . The first network node of  claim 17 , wherein the mobility state information for the second cell provides an indication of at least one of:
 a level of mobility comprising one of stationary mobility, low-speed mobility, medium-speed mobility, or high-speed mobility; or   a change or transition from one mobility state to another.   
     
     
         20 . The first network node of  claim 17 , wherein the one or more processors are further configured to receive, based on the conditional handover command, an indication that the second network node has been handed over to the second cell. 
     
     
         21 . The first network node of  claim 20 , wherein the indication that the second network node has been handed over to the second cell is received from at least one of the first cell, the second cell, or the second network node.