SELECTING A NEIGHBOR NODE IN A WIRELESS MULTI-HOP NETWORK USING A COST PARAMETER
Various aspects of the present disclosure generally relate to wireless communication. In some aspects, a child node in a wireless multi-hop network may receive a cost parameter from a neighbor node in the wireless multi-hop network, wherein the cost parameter indicates a cost, due to an operating mode of the neighbor node, of selecting the neighbor node as a target node for a handover procedure, a cell selection procedure, or a cell reselection procedure. The child node may perform the handover procedure, the cell selection procedure, or the cell reselection procedure based at least in part on the cost parameter. Numerous other aspects are provided.
1 . A serving node in a wireless network, comprising:
one or more memories; and
one or more processors, coupled to the one or more memories, configured to:
receive a cost parameter associated with a neighbor node in the wireless network, wherein the cost parameter indicates a cost, due to an operating mode of the neighbor node, of selecting the neighbor node as a target node for a handover procedure; and
perform the handover procedure based at least in part on the cost parameter.
2 . The serving node of claim 1 , wherein the cost parameter is received from at least one of:
a child node, of the serving node, in a measurement report, or
the neighbor node.
3 . The serving node of claim 1 , wherein the one or more processors, to perform the handover procedure, are configured to select the neighbor node, from a set of neighbor nodes, as the target node for the handover procedure based at least in part on the cost parameter.
4 . The serving node of claim 1 , wherein the one or more processors, to perform the handover procedure, are configured to:
determine that the cost parameter for the neighbor node satisfies a condition; and
perform the handover procedure based at least in part on determining that the cost parameter for the neighbor node satisfies the condition.
5 . The serving node of claim 1 , wherein the cost parameter is received via at least one of:
a measurement report,
a synchronization signal block,
a physical broadcast channel,
a system information block,
remaining minimum system information, or
a channel state information reference signal.
6 . The serving node of claim 1 , wherein the cost parameter is based at least in part on at least one of:
the operating mode of the neighbor node,
a power saving mode of the neighbor node,
a power status of the neighbor node,
a hop count associated with the neighbor node,
an operating mode or a power status of one or more other nodes included in a route from the neighbor node to a central unit of the wireless network,
a time at which the neighbor node is available to serve a child node, or
a priority of selecting the neighbor node as the target node as compared to one or more other neighbor nodes.
7 . The serving node of claim 1 , wherein the one or more processors, to perform the handover procedure, are configured to:
identify one or more neighbor nodes for which a corresponding one or more cost parameters satisfy a condition;
identify at least one control node associated with the one or more neighbor nodes; and
transmit an indication of the one or more neighbor nodes to the at least one control node for the handover procedure.
8 . The serving node of claim 1 , wherein the one or more processors, to perform the handover procedure, are configured to:
identify one or more neighbor nodes for which a corresponding one or more cost parameters satisfy a condition; and
transmit an indication of the one or more neighbor nodes to a control node associated with the serving node.
9 . The serving node of claim 8 , wherein the control node is the serving node, another node in the wireless network, or a central unit in the wireless network.
10 . The serving node of claim 1 , wherein the one or more processors are further configured to modify an operating mode of the serving node after the handover procedure is complete.
11 . A method of wireless communication performed by a serving node in a wireless network, comprising:
receiving a cost parameter associated with a neighbor node in the wireless network, wherein the cost parameter indicates a cost, due to an operating mode of the neighbor node, of selecting the neighbor node as a target node for a handover procedure; and
performing the handover procedure based at least in part on the cost parameter.
12 . The method of claim 11 , wherein the cost parameter is received from at least one of:
a child node, of the serving node, in a measurement report, or the neighbor node.
13 . The method of claim 11 , wherein performing the handover procedure comprises selecting the neighbor node, from a set of neighbor nodes, as the target node for the handover procedure based at least in part on the cost parameter.
14 . The method of claim 11 , wherein performing the handover procedure further comprises:
determining that the cost parameter for the neighbor node satisfies a condition; and
performing the handover procedure based at least in part on determining that the cost parameter for the neighbor node satisfies the condition.
15 . The method of claim 11 , wherein the cost parameter is received via at least one of:
a measurement report,
a synchronization signal block,
a physical broadcast channel,
a system information block,
remaining minimum system information, or
a channel state information reference signal.
16 . The method of claim 11 , wherein the cost parameter is based at least in part on at least one of:
the operating mode of the neighbor node,
a power saving mode of the neighbor node,
a power status of the neighbor node,
a hop count associated with the neighbor node,
an operating mode or a power status of one or more other nodes included in a route from the neighbor node to a central unit of the wireless network,
a time at which the neighbor node is available to serve a child node, or
a priority of selecting the neighbor node as the target node as compared to one or more other neighbor nodes.
17 . The method of claim 11 , wherein performing the handover procedure further comprises:
identifying one or more neighbor nodes for which a corresponding one or more cost parameters satisfy a condition;
identifying at least one control node associated with the one or more neighbor nodes; and
transmitting an indication of the one or more neighbor nodes to the at least one control node for the handover procedure.
18 . The method of claim 11 , wherein performing the handover procedure further comprises:
identifying one or more neighbor nodes for which a corresponding one or more cost parameters satisfy a condition; and
transmitting an indication of the one or more neighbor nodes to a control node associated with the serving node.
19 . The method of claim 18 , wherein the control node is the serving node, another node in the wireless network, or a central unit in the wireless network.
20 . The method of claim 11 , further comprising modifying an operating mode of the serving node after the handover procedure is complete.
21 . A non-transitory computer-readable medium storing a set of instructions for wireless communication, the set of instructions comprising:
one or more instructions that, when executed by one or more processors of a serving node in a wireless network, cause the serving node to:
receive a cost parameter associated with a neighbor node in the wireless network, wherein the cost parameter indicates a cost, due to an operating mode of the neighbor node, of selecting the neighbor node as a target node for a handover procedure; and
perform the handover procedure based at least in part on the cost parameter.
22 . The non-transitory computer-readable medium of claim 21 , wherein the cost parameter is received from at least one of:
a child node, of the serving node, in a measurement report, or
the neighbor node.
23 . The non-transitory computer-readable medium of claim 21 , wherein the one or more instructions, that cause the serving node to perform the handover procedure, cause the serving node to select the neighbor node, from a set of neighbor nodes, as the target node for the handover procedure based at least in part on the cost parameter.
24 . The non-transitory computer-readable medium of claim 21 , wherein the one or more instructions, that cause the serving node to perform the handover procedure, cause the serving node to:
determine that the cost parameter for the neighbor node satisfies a condition; and
perform the handover procedure based at least in part on determining that the cost parameter for the neighbor node satisfies the condition.
25 . The non-transitory computer-readable medium of claim 21 , wherein the cost parameter is received via at least one of:
a measurement report,
a synchronization signal block,
a physical broadcast channel,
a system information block,
remaining minimum system information, or
a channel state information reference signal.
26 . The non-transitory computer-readable medium of claim 21 , wherein the cost parameter is based at least in part on at least one of:
the operating mode of the neighbor node,
a power saving mode of the neighbor node,
a power status of the neighbor node,
a hop count associated with the neighbor node,
an operating mode or a power status of one or more other nodes included in a route from the neighbor node to a central unit of the wireless network,
a time at which the neighbor node is available to serve a child node, or
a priority of selecting the neighbor node as the target node as compared to one or more other neighbor nodes.
27 . The non-transitory computer-readable medium of claim 21 , wherein the one or more instructions, that cause the serving node to perform the handover procedure, cause the serving node to:
identify one or more neighbor nodes for which a corresponding one or more cost parameters satisfy a condition;
identify at least one control node associated with the one or more neighbor nodes; and
transmit an indication of the one or more neighbor nodes to the at least one control node for the handover procedure.
28 . The non-transitory computer-readable medium of claim 21 , wherein the one or more instructions, that cause the serving node to perform the handover procedure, cause the serving node to:
identify one or more neighbor nodes for which a corresponding one or more cost parameters satisfy a condition; and
transmit an indication of the one or more neighbor nodes to a control node associated with the serving node.
29 . The non-transitory computer-readable medium of claim 28 , wherein the control node is the serving node, another node in the wireless network, or a central unit in the wireless network.
30 . An apparatus in a wireless network, comprising:
means for receiving a cost parameter associated with a neighbor node in the wireless network, wherein the cost parameter indicates a cost, due to an operating mode of the neighbor node, of selecting the neighbor node as a target node for a handover procedure; and
means for performing the handover procedure based at least in part on the cost parameter.