Method and device for UWB communication
A method for resetting the configuration for a downlink time difference of arrival is provided, including a method by an ultra-wide band (UWB) device that includes generating a UWB message for resetting a configuration for a multi-cluster and transmitting the UWB message. The UWB message may include information used to indicate that the UWB message is a configuration message for resetting the configuration for the multi-cluster.
1 . A method performed by an ultra-wide band (UWB) device, the method comprising:
generating a UWB message related to a configuration of a multi-cluster; and
transmitting the UWB message,
wherein the UWB message includes UWB message identifier (ID) information set to a value indicating that the UWB message is a one-way ranging (OWR) message and OWR message type information set to a value indicating that a type of the OWR message is a management message,
wherein the UWB message includes configuration parameter information for each cluster included in the multi-cluster,
wherein the configuration parameter information includes a round index parameter, an initiator anchor parameter, and a responder anchor list parameter,
wherein the round index parameter indicates a ranging round to be allocated to a cluster included in the multi-cluster,
wherein the initiator anchor parameter indicates identification information for an initiator anchor of the ranging round for the cluster, the cluster operating in the ranging round identified by the round index parameter, and
wherein the responder anchor list parameter indicates identification information for at least one responder anchor in the cluster operating in the ranging round identified by the round index parameter.
2 . The method of claim 1 , wherein the UWB message includes flag information indicating whether the configuration parameter information including at least one configuration parameter for the configuration of multi-cluster is present in the UWB message.
3 . The method of claim 2 , wherein in case that the flag information indicates that the configuration parameter information is present in the UWB message, the UWB message includes the configuration parameter information.
4 . The method of claim 1 , wherein the UWB message includes type information indicating one of types of the management message, and
wherein the types of management messages include:
a first type indicating that the management message is a configuration message;
a second type indicating that the management message is a stop message, and
a third type indicating that the management message is a restart message.
5 . The method of claim 4 , wherein the types of management messages further include a fourth type indicating that the management message is an ACK message.
6 . The method of claim 1 , wherein the UWB message is transmitted through a payload of a packet to which a static scrambled timestamp sequence (STS) configuration and STS packet configuration 1 are applied.
7 . The method of claim 1 , wherein the UWB device is one of an anchor device belonging to the multi-cluster or a tag device not belonging to the multi-cluster.
8 . A method performed by a second ultra-wide band (UWB) device, the method comprising:
receiving, from a first UWB device, a UWB message related to a configuration of a multi-cluster; and
applying the configuration of the multi-cluster based on the UWB message,
wherein the UWB message includes UWB message identifier (ID) information set to a value indicating that the UWB message is a one-way ranging (OWR) message and OWR message type information set to a value indicating that a type of the OWR message is a management message,
wherein the UWB message includes configuration parameter information for each cluster included in the multi-cluster,
wherein the configuration parameter information includes a round index parameter, an initiator anchor parameter, and a responder anchor list parameter,
wherein the round index parameter indicates a ranging round to be allocated to a cluster included in the multi-cluster,
wherein the initiator anchor parameter indicates identification information for an initiator anchor of the ranging round for the cluster, the cluster operating in the ranging round identified by the round index parameter, and
wherein the responder anchor list parameter indicates identification information for at least one responder anchor in the cluster operating in the ranging round identified by the round index parameter.
9 . The method of claim 8 , wherein the UWB message includes flag information indicating whether the configuration parameter information including at least one configuration parameter for the configuration of multi-cluster is present in the UWB message.
10 . The method of claim 9 , wherein in case that the flag information indicates that the configuration parameter information is present in the UWB message, the UWB message includes the configuration parameter information.
11 . The method of claim 8 , wherein the UWB message includes type information indicating one of types of the management message, and
wherein the types of management messages include:
a first type indicating that the management message is a configuration message;
a second type indicating that the management message is a stop message, and
a third type indicating that the management message is a restart message.
12 . The method of claim 11 , wherein the types of management messages further include a fourth type indicating that the management message is an ACK message.
13 . The method of claim 8 , wherein the UWB message is transmitted through a payload of a packet to which a static scrambled timestamp sequence (STS) configuration and STS packet configuration 1 are applied.
14 . The method of claim 8 , wherein the first UWB device is one of an anchor device belonging to the multi-cluster or a tag device not belonging to the multi-cluster.
15 . The method of claim 8 , further comprising transmitting the UWB message to another UWB device in case that the second UWB device is identified as an initiator anchor based on the UWB message.
16 . An ultra-wide band (UWB) device, comprising:
a transceiver; and
at least one processor configured to:
generate a UWB message related to a configuration of a multi-cluster; and
transmit the UWB message,
wherein the UWB message includes UWB message identifier (ID) information set to a value indicating that the UWB message is a one-way ranging (OWR) message and OWR message type information set to a value indicating that a type of the OWR message is a management message,
wherein the UWB message includes configuration parameter information for each cluster included in the multi-cluster,
wherein the configuration parameter information includes a round index parameter, an initiator anchor parameter, and a responder anchor list parameter,
wherein the round index parameter indicates a ranging round to be allocated to a cluster included in the multi-cluster,
wherein the initiator anchor parameter indicates identification information for an initiator anchor of the ranging round for the cluster, the cluster operating in the ranging round identified by the round index parameter, and
wherein the responder anchor list parameter indicates identification information for at least one responder anchor in the cluster operating in the ranging round identified by the round index parameter.
17 . The UWB device of claim 16 , wherein the UWB message includes flag information indicating whether the configuration parameter information including at least one configuration parameter for the configuration of multi-cluster is present in the UWB message.
18 . The UWB device of claim 17 , wherein, in case that the flag information indicates that the configuration parameter information is present in the UWB message, the UWB message includes the configuration parameter information.
19 . The UWB device of claim 16 , wherein the UWB message includes type information indicating one of types of the management message, and
wherein the types of management messages include:
a first type indicating that the management message is a configuration message;
a second type indicating that the management message is a stop message, and
a third type indicating that the management message is a restart message.
20 . A second ultra-wide band (UWB) device, comprising:
a transceiver; and
at least one processor configured to:
receive, from a first UWB device, a UWB message related to a configuration of a multi-cluster; and
apply the configuration of the multi-cluster based on the UWB message,
wherein the UWB message includes UWB message identifier (ID) information set to a value indicating that the UWB message is a one-way ranging (OWR) message and OWR message type information set to a value indicating that a type of the OWR message is a management message,
wherein the UWB message includes configuration parameter information for each cluster included in the multi-cluster,
wherein the configuration parameter information includes a round index parameter, an initiator anchor parameter, and a responder anchor list parameter,
wherein the round index parameter indicates a ranging round to be allocated to a cluster included in the multi-cluster,
wherein the initiator anchor parameter indicates identification information for an initiator anchor of the ranging round for the cluster, the cluster operating in the ranging round identified by the round index parameter, and
wherein the responder anchor list parameter indicates identification information for at least one responder anchor in the cluster operating in the ranging round identified by the round index parameter.