Multicast payload delivery to idle mode user equipment

1 . A method, comprising:

facilitating, by a radio access network node comprising a processor, receiving traffic to be transmitted for reception by at least one user equipment;

determining, by the radio access network node, at least one resource usable by the radio access network node to transmit the traffic to result in at least one determined transmission resource, wherein the determining the at least one transmission resource excludes evaluation of channel condition information corresponding to the at least one user equipment, and wherein the determining of the at least one resource is based on receiving, from the user equipment during idle mode operation of the user equipment, at least one multicast-and-broadcast-services-specific preamble via an uplink beam that corresponds to a downlink beam that is not configured to deliver multicast-and-broadcast-services content; and

facilitating, by the radio access network node, transmitting a first portion of the traffic for reception by the at least one user equipment according to the at least one determined transmission resource.

2 . The method of claim 1 , wherein the at least one user equipment is configured to receive the first portion of the traffic during operation according to an idle mode.

3 . The method of claim 1 , further comprising:

facilitating, by the radio access network node, transmitting, to the at least one user equipment, a multicast configuration comprising at least one idle mode multicast beam pattern.

4 . The method of claim 3 , wherein the multicast configuration is transmitted to the at least one user equipment via a multicast-specific system information block message.

5 . The method of claim 3 , wherein the at least one determined transmission resource corresponds to the at least one idle mode multicast beam pattern.

6 . The method of claim 3 , wherein the at least one idle mode multicast beam pattern is a first idle mode multicast beam pattern, and wherein the traffic is associated with a target quality of service, the method further comprising:

facilitating, by the radio access network node, receiving, from the at least one user equipment, a channel condition message comprising a channel condition indication indicative that the at least one user equipment received the first portion of the traffic according to the at least one idle mode multicast beam pattern with an associated received quality of service that does not satisfy the target quality of service;

based on the channel condition indication, facilitating, by the radio access network node, determining a second idle mode multicast beam pattern of the at least one idle mode multicast beam pattern to result in a determined second idle mode multicast beam pattern; and

facilitating, by the radio access network node, transmitting a second portion of the traffic according to the determined second idle mode multicast beam pattern.

7 . The method of claim 6 , wherein the target quality of service is a target error rate, wherein the received quality of service is a received error rate corresponding to reception of the first portion of the traffic by the at least one user equipment, and wherein the received error rate is higher than the target error rate.

8 . The method of claim 3 , wherein the at least one idle mode multicast beam pattern is a first idle mode multicast beam pattern, wherein the multicast configuration further comprises a second idle mode multicast beam pattern of the at least one idle mode multicast beam pattern, wherein the multicast configuration further comprises a multicast beam pattern index associated with the second idle mode multicast beam pattern, and wherein the method further comprises:

facilitating, by the radio access network node, transmitting, to the at least one user equipment, a multicast beam pattern update message, comprising the multicast beam pattern index associated with the second idle mode multicast beam pattern, to indicate to the at least one user equipment to receive a second portion of the traffic according to the second idle mode multicast beam pattern, wherein the second idle mode multicast beam pattern comprises the downlink beam corresponding to the uplink beam via which the at least one multicast-and-broadcast-services-specific preamble is received.

9 . The method of claim 8 , wherein the multicast beam pattern update message is transmitted via a master information block message.

10 . The method of claim 3 , wherein the traffic is associated with a target quality of service, and wherein the multicast configuration further comprises the at least one multicast-and-broadcast-services-specific preamble, and wherein the receiving of the at least one multicast-and-broadcast-services-specific preamble is indicative to the radio access network node that that the at least one user equipment has received the first portion of the traffic according to the at least one idle mode multicast beam pattern with an associated received quality of service that does not satisfy the target quality of service.

11 . The method of claim 10 , further comprising:

based on at least one multicast-and-broadcast-services-specific preamble being received, determining, by the radio access network node, that the at least one user equipment has determined that the downlink beam, corresponding to the uplink beam via which the at least one multicast-and-broadcast-services-specific preamble is received, corresponds to a signal strength that is stronger, with respect to the at least one user equipment, than other signal strengths corresponding to other downlink beams corresponding to the radio access network node to result in a determined best downlink beam; and

facilitating, by the radio access network node, transmitting, to the at least one user equipment, a paging message comprising a connected mode indication to indicate to the at least one user equipment to establish a connection with the radio access network node to receive the traffic in a connected mode.

12 . The method of claim 10 , wherein the at least one idle mode multicast beam pattern is a first idle mode multicast beam pattern, and wherein the method further comprises:

based on the at least one multicast-and-broadcast-services-specific preamble being received, determining, by the radio access network node, that the at least one user equipment has determined that the downlink beam corresponds to a signal strength that is stronger, with respect to the at least one user equipment, than other signal strengths corresponding to other downlink beams corresponding to the radio access network node to result in a determined best downlink beam;

determining, by the radio access network node, a second idle mode multicast beam pattern, of the at least one idle mode multicast beam pattern, that comprises the determined best downlink beam to result in a determined second idle mode multicast beam pattern;

facilitating, by the radio access network node, transmitting, to the at least one user equipment, a multicast beam pattern update message indicative to the at least one user equipment to receive the traffic according to the determined second idle mode multicast beam pattern; and

facilitating, by the radio access network node, transmitting the traffic according to the determined second idle mode multicast beam pattern.

13 . A radio access network node, comprising at least one processor, configured to process executable instructions that, when executed by the at least one processor, facilitate performance of operations, comprising:

receiving traffic to be transmitted for reception by at least one user equipment;

transmitting, to the at least one user equipment, a multicast configuration comprising downlink beam pattern information indicative of a first downlink beam of at least one downlink beam usable by the at least one user equipment to receive traffic corresponding to a multicast content session, wherein the traffic corresponding to the multicast content session is associated with a target quality of service;

based on receiving, from the user equipment during idle mode operation of the user equipment, at least one multicast-and-broadcast-services-specific preamble via an uplink beam that corresponds to a downlink beam, of the at least one downlink beam, that is not configured to deliver multicast-and-broadcast-services content, determining at least one resource usable by the radio access network node to transmit the traffic to result in at least one determined transmission resource;

transmitting a first portion of the traffic for reception by the at least one user equipment, during idle mode operation, according to the at least one determined transmission resource.

14 . The radio access network node of claim 13 , wherein the operations further comprise:

receiving, from the at least one user equipment, a channel condition message comprising a channel condition indication indicative that the at least one user equipment has received the first portion of the traffic corresponding to the multicast content session, via the first downlink beam of the at least one downlink beam, with a received quality of service that fails to satisfy the target quality of service;

based on the channel condition indication, determine a second downlink beam of the at least one downlink beam to result in a determined second downlink beam; and

transmit a second portion of the traffic corresponding to the multicast content session according to the determined second downlink beam.

15 . The radio access network node of claim 14 , wherein the first downlink beam of the at least one downlink beam is associated with a first downlink beam pattern, wherein the multicast configuration further comprises a second downlink beam pattern, wherein the multicast configuration further comprises a multicast beam pattern index associated with the second downlink beam pattern, and wherein the operations further comprise:

transmitting, to the at least one user equipment, a multicast beam pattern update message comprising the multicast beam pattern index to indicate to the at least one user equipment to receive the second portion of the traffic corresponding to a multicast content session according to the second downlink beam pattern.

16 . The radio access network node of claim 15 , wherein the multicast configuration further comprises the at least one multicast-and-broadcast-services-specific preamble, and wherein the at least one multicast-and-broadcast-services-specific preamble is indicative to the radio access network node that the at least one user equipment has received the first portion of the traffic corresponding to the multicast content session according to the first downlink beam pattern with a received quality of service that does not satisfy the target quality of service.

17 . The radio access network node of claim 15 , wherein the operations further comprise:

determining that the at least one user equipment determined that the determined second downlink beam corresponds to a signal strength that is stronger, with respect to the at least one user equipment, than other signal strengths associated with other downlink beams corresponding to the radio access network node to result in a determined best downlink beam;

determining an idle mode multicast beam pattern that comprises the determined best downlink beam to result in a determined idle mode multicast beam pattern; and

transmitting, to the at least one user equipment, a multicast beam pattern update message indicative to the at least one user equipment to receive the traffic corresponding to the multicast content session according to the determined idle mode multicast beam pattern, wherein the determined idle mode multicast beam pattern comprises the determined second downlink beam.

18 . A non-transitory machine-readable medium, comprising executable instructions that, when executed by a processor of a radio access network node, facilitate performance of operations, comprising:

receiving traffic to be transmitted for reception by at least one user equipment;

transmitting, to the at least one user equipment, a multicast configuration comprising downlink beam pattern information indicative of a first downlink beam of at least one downlink beam usable by the at least one user equipment to receive traffic corresponding to a multicast content session, wherein the traffic corresponding to the multicast content session is associated with a target quality of service;

based on receiving, from the at least one user equipment during idle mode operation of the user equipment, at least one multicast-and-broadcast-services-specific preamble via an uplink beam that corresponds to a downlink beam, of the at least one downlink beam, that is not configured to deliver multicast-and-broadcast-services content, determining at least one resource usable by the radio access network node to transmit the traffic to result in at least one determined transmission resource; and

transmitting a first portion of the traffic for reception by the at least one user equipment during idle mode operation according to the at least one determined transmission resource.

19 . The non-transitory machine-readable medium of claim 18 , wherein the operations further comprise:

receiving, from the at least one idle user equipment, a channel condition message comprising a channel condition indication indicative that the at least one user equipment has received the first portion of the traffic corresponding to the multicast content according to the determined first beam pattern with a received quality of service that does not satisfy the target quality of service;

based on the channel condition indication, determining to transmit to the at least one user equipment during idle mode operation of the user equipment the traffic corresponding to the multicast content according to an updated resource; and

transmitting, to the at least one user equipment during idle mode operation, a second portion of the traffic corresponding to the multicast content according to the updated resource.

20 . The non-transitory machine-readable medium of claim 18 , wherein the operations further comprise:

establishing, with the at least one user equipment during idle mode operation of the user equipment, a communication session to result in the at least one idle user equipment being a connected user equipment;

scheduling the updated resource to be usable by the at least one user equipment to receive the second portion of the traffic corresponding to the multicast content to result in a scheduled resource; and

transmitting, to the connected user equipment, a scheduling message indicating the scheduled resource.