CN105992155B - Method, device and system for single multicast dynamic switching in network - Google Patents
Method, device and system for single multicast dynamic switching in network Download PDFInfo
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Abstract
The invention discloses a method for dynamically switching single multicast in a network.A mobile multimedia broadcast system (eMBMS) intelligent platform acquires the number of User Equipment (UE) of each service in an area and wireless state information of each UE, and judges whether to switch the multicast into the multicast or the unicast into the unicast according to the number of the UE of each service and the wireless state information of each UE by combining a switching judgment criterion; the invention also discloses a device and a system for single multicast dynamic switching in the network.
Description
Technical Field
The present invention relates to a multimedia broadcast technology of a Long Term Evolution (LTE) system, and in particular, to a method, an apparatus, and a system for single multicast dynamic handover in a network.
Background
In the LTE system, an enhanced multimedia broadcast multicast service (eMBMS) function is introduced at the stage R9, and a broadcast mode is used for carrying, so that the content delivery efficiency is improved, and a multimedia broadcast service can be provided for users. In a broadcast service area, the same Modulation and Coding Scheme (MCS) Modulation level is uniformly used on multicast single frequency network (MBSFN) subframes configured to transmit broadcast subframes.
Generally, the eMBMS function is advanced by the operator to plan areas, services, and turn on the function. Due to the adoption of the broadcast transmission mode, the consumption of network transmission resources can be reduced when a large number of users receive the data simultaneously.
Due to the existing implementation mechanism, for the eMBMS function, the user use has a dynamic change, after unicast users of the same service are gradually increased, the network cannot start the eMBMS function due to the incapability of sensing, the current unicast bearer is changed into the multicast bearer, the effect of saving resources cannot be achieved, and in the planned area of the eMBMS function, when the number of broadcast users of the same service is less, the waste of wireless resources is caused.
Disclosure of Invention
In order to solve the existing technical problem, the present invention mainly provides a method, a device and a system for single multicast dynamic switching in a network.
The technical scheme of the invention is realized as follows:
the invention provides a method for single multicast dynamic switching in a network, which comprises the following steps:
the eMBMS intelligent platform acquires the number of User Equipment (UE) of each service in the area and the wireless state information of each UE, and judges whether to switch the multicast to the multicast or switch the multicast to the unicast according to the number of the UE of each service and the wireless state information of each UE in combination with a switching judgment criterion.
In the foregoing solution, the wireless status information includes: modulation and Coding Scheme (MCS) level, number of layers (layers), and signal to interference plus noise ratio (SINR).
In the foregoing solution, the handover decision criterion includes: a radio resource consumption saving priority criterion or a revenue priority criterion;
wherein the radio resource consumption saving priority criterion is: judging whether the broadcast wireless resource consumption is less than the unicast resource consumption, if so, switching the unicast to the multicast, and if so, switching the multicast to the unicast; the broadcast wireless resource consumption is obtained by multiplying the broadcast MCS level by the average layer number of the UE of each service, and the unicast resource consumption is obtained by multiplying the average UE number of each service by the average MCS level of the UE of each service;
the income priority criterion is as follows: judging whether the total price of the unicast resource consumption flow is greater than the total price of the broadcast resource consumption flow, if so, switching the multicast into the unicast, and if not, switching the unicast into the multicast; the total unicast resource consumption flow rate price is obtained by summing the number of the UE of each service and multiplying the sum by the unit price of the unicast service, and the total broadcast resource consumption flow rate price is obtained by summing the number of the UE of each service and multiplying the sum by the unit price of the eMBMS service.
In the above scheme, the acquiring, by the eMBMS intelligent platform, the number of UEs of each service in the area and the wireless state information of each UE includes: under the current unicast condition, the eMBMS intelligent platform receives service address requests of UE of each unicast service forwarded by an eNodeB in the area, records user IP and S1 interface application identifiers (S1-APID) in the service address requests through a Deep Packet Inspection (DPI) function, receives service addresses corresponding to the service address requests returned by a server, counts the number of the UE of each same unicast service according to the service addresses in a counting time period, and inquires wireless state information of each UE from the eNodeB through the user IP and the S1-APID.
In the above scheme, the acquiring, by the eMBMS intelligent platform, the number of UEs of each service in the area and the wireless state information of each UE includes: under the current multicast condition, the eMBMS intelligent platform receives the multicast service which is reported periodically by the UE through an application layer heartbeat mechanism and is currently received, analyzes a target IP address, a user IP and S1-APID in the multicast service through a DPI function, counts the number of the UE of each multicast service according to the target IP address in a counting time period, and inquires the wireless state information of each UE from the eNodeB through the user IP and the S1-APID.
The invention provides a method for single multicast dynamic switching in a network, which comprises the following steps:
the UE sends a service message to the eMBMS intelligent platform through the eNodeB;
and the UE receives a single multicast switching notification of the eMBMS intelligent platform through the eNodeB.
In the above scheme, under the condition of unicast, the service message is a service address request; under the multicast condition, the service message is a multicast service which is reported periodically through an application layer heartbeat mechanism and is currently received.
The invention provides a method for single multicast dynamic switching in a network, which comprises the following steps:
the eNodeB forwards the service message and the wireless state information of each UE inquired by the eMBMS intelligent platform to the eMBMS intelligent platform;
and the eNodeB forwards the single multicast switching notification of the eMBMS intelligent platform to the UE.
In the foregoing solution, the wireless status information includes: MCS level, layer number and SINR.
The invention provides an eMBMS intelligent platform, which comprises: an MEC module and an eMBMS function module; wherein the content of the first and second substances,
the MEC module is used for acquiring the number of the UE of each service and the wireless state information of each UE in the area, and judging whether to inform the eMBMS function module to switch the unicast into the multicast or switch the multicast into the unicast according to the number of the UE of each service and the wireless state information of each UE in combination with a switching judgment criterion;
and the eMBMS function module is used for switching the unicast into the multicast or switching the multicast into the unicast according to the notification of the MEC module.
In the foregoing solution, the wireless status information includes: MCS level, layer number and SINR.
In the foregoing solution, the handover decision criterion includes: a radio resource consumption saving priority criterion or a revenue priority criterion;
wherein the radio resource consumption saving priority criterion is: judging whether the broadcast wireless resource consumption is less than the unicast resource consumption, if so, switching the unicast to the multicast, and if so, switching the multicast to the unicast; the broadcast wireless resource consumption is obtained by multiplying the broadcast MCS level by the average layer number of the UE of each service, and the unicast resource consumption is obtained by multiplying the average UE number of each service by the average MCS level of the UE of each service;
the income priority criterion is as follows: judging whether the total price of the unicast resource consumption flow is greater than the total price of the broadcast resource consumption flow, if so, switching the multicast into the unicast, and if not, switching the unicast into the multicast; the total unicast resource consumption flow rate price is obtained by summing the number of the UE of each service and multiplying the sum by the unit price of the unicast service, and the total broadcast resource consumption flow rate price is obtained by summing the number of the UE of each service and multiplying the sum by the unit price of the eMBMS service.
In the above scheme, the MEC module is specifically configured to receive, in a case that the current unicast service is present, a service address request of the UE of each unicast service forwarded by an eNodeB in a region where the MEC module is located, record, through a DPI function, a user IP and S1-APID in the service address request, receive a service address corresponding to the service address request returned by the server, count, within a statistical time period, the number of UEs of each same unicast service according to the service address, and query, through the user IP and S1-APID, the wireless state information of each UE from the eNodeB.
In the above scheme, the MEC module is specifically configured to, when a current multicast service is a multicast service, receive a multicast service currently being received that is periodically reported by a UE through an application layer heartbeat mechanism, analyze a destination IP address, a user IP, and S1-APID therein through a DPI function, count the number of UEs of each multicast service according to the destination IP address in a counting period, and query the radio state information of each UE from an eNodeB through the user IP and S1-APID.
The present invention provides a UE, comprising: a sending module and a receiving module; wherein the content of the first and second substances,
the sending module is used for sending a service message to the eMBMS intelligent platform through the eNodeB;
and the receiving module is used for receiving the single multicast switching notification of the eMBMS intelligent platform through the eNodeB.
In the above scheme, under the condition of unicast, the service message is a service address request; under the multicast condition, the service message is a multicast service which is reported periodically through an application layer heartbeat mechanism and is currently received.
The present invention provides an eNodeB, comprising: the system comprises a first forwarding module, a query module and a second forwarding module; wherein the content of the first and second substances,
the first forwarding module is used for forwarding the service message to the eMBMS intelligent platform;
the query module is used for forwarding the queried wireless state information of each UE to the eMBMS intelligent platform;
and the second forwarding module is used for forwarding the single multicast switching notification of the eMBMS intelligent platform to the UE.
In the above scheme, under the condition of unicast, the service message is a service address request; under the multicast condition, the service message is the multicast service which is periodically reported by the UE and is currently received.
In the foregoing solution, the wireless status information includes: MCS level, layer number and SINR.
The invention provides a system for single multicast dynamic switching in a network, which comprises: UE, eNodeB and eMBMS intelligent platform; wherein the content of the first and second substances,
the UE is used for sending a service message to the eMBMS intelligent platform and receiving a single multicast switching notification of the eMBMS intelligent platform through the eNodeB;
the eNodeB is used for forwarding the service message and the radio state information of each UE inquired by the service message to the eMBMS intelligent platform and forwarding the single multicast switching notification of the eMBMS intelligent platform to the UE;
and the eMBMS intelligent platform is used for acquiring the number of the UE of each service in the area and the wireless state information of each UE, and judging whether to switch the multicast into the multicast or switch the multicast into the unicast according to the number of the UE of each service and the wireless state information of each UE in combination with a switching judgment criterion.
The invention provides a method, a device and a system for dynamically switching unicast and multicast in a network.A eMBMS intelligent platform acquires the number of UE of each service in an area where the eMBMS intelligent platform is located and the wireless state information of each UE, and judges whether to switch the unicast into the multicast or switch the multicast into the unicast according to the number of the UE of each service and the wireless state information of each UE by combining a switching judgment criterion; therefore, single-multicast dynamic switching in the LTE network can be realized, and waste of wireless resources is avoided.
Drawings
Fig. 1 is a schematic structural diagram of a system for single-multicast dynamic handover in a network according to an embodiment of the present invention;
fig. 2 is a schematic flowchart of a method for single-multicast dynamic handover in a network according to an embodiment of the present invention;
fig. 3 is a flowchart illustrating a method for switching between unicast and multicast according to an embodiment of the present invention;
FIG. 4 is an interaction diagram of messages in FIG. 3;
fig. 5 is a flowchart illustrating a method for switching between multicast and unicast according to an embodiment of the present invention;
FIG. 6 is an interaction diagram of messages in FIG. 5;
fig. 7 is a flowchart illustrating a method for UE-side single multicast dynamic handover according to an embodiment of the present invention;
fig. 8 is a flowchart illustrating a method for eNodeB-side single multicast dynamic handover according to an embodiment of the present invention;
fig. 9 is a schematic structural diagram of an eMBMS intelligent platform according to an embodiment of the present invention;
fig. 10 is a schematic structural diagram of a UE according to an embodiment of the present invention;
fig. 11 is a schematic structural diagram of an eNodeB according to an embodiment of the present invention.
Detailed Description
In the embodiment of the invention, the eMBMS intelligent platform acquires the number of the UE of each service in the area and the wireless state information of each UE, and judges whether to switch the multicast to the multicast or switch the multicast to the unicast according to the number of the UE of each service and the wireless state information of each UE by combining a switching judgment criterion.
The invention is further described in detail below with reference to the figures and the specific embodiments.
As shown in fig. 1, a network structure of an embodiment of the present invention is that a UE11 interacts with a network side (Internet) network element through an evolved node b (eNodeB)12, an eMBMS intelligent platform 13 is newly added, and interacts with the eNodeB 12 through an interface, where the network side network element includes: a serving gateway (S-GW)14, a packet data gateway (P-GW)15, and a Mobility Management Entity (MME) 16.
Example one
In this embodiment, a method for single multicast dynamic handover in a network is implemented, as shown in fig. 2, the method includes the following steps:
step 201: the eMBMS intelligent platform acquires the number of UE of each service in the area and the wireless state information of each UE;
the wireless status information includes: MCS level, number of layers (layers), and signal to interference plus noise ratio (SINR), etc.
Step 202: and the eMBMS intelligent platform judges whether to switch the unicast to the multicast or the multicast to the unicast according to the UE number of each service and the wireless state information of each UE in combination with a switching judgment criterion.
The handover decision criteria include: a radio resource consumption saving priority criterion or a revenue priority criterion;
wherein the radio resource consumption saving priority criterion may be: judging whether the broadcast wireless resource consumption is less than the unicast resource consumption, if so, switching the unicast to the multicast, namely starting the eMBMS function, and if so, switching the multicast to the unicast, namely closing the eMBMS function;
the broadcast wireless resource consumption can be obtained by multiplying the broadcast MCS level by the average layer number of the UE of each service, and the unicast resource consumption can be obtained by multiplying the average UE number of each service by the average MCS level of the UE of each service;
when the current eMBMS intelligent platform does not start the eMBMS function, the broadcast MCS level is the lowest value of the unicast MCS levels, the average number of the UE of each service is obtained by averaging the number of the UE of each unicast service, the average layer number of the UE of each service is obtained by averaging the layer number of the UE of each unicast service, and the average MCS level of the UE of each service is obtained by averaging the MCS levels of the UE of each unicast service;
when the current eMBMS intelligent platform starts an eMBMS function, the broadcast MCS level is a multicast MCS level configured by the current eMBMS intelligent platform, the average number of the UE of each service is obtained by averaging the number of the UE of each multicast service, the average number of the layer of the UE of each service is obtained by averaging the number of the layer of the UE of each multicast service, and the average MCS level of the UE of each service is obtained by averaging the MCS levels of the UE of each multicast service;
the revenue priority criteria may be: judging whether the total price of the unicast resource consumption flow is greater than the total price of the broadcast resource consumption flow, if so, switching the multicast to the unicast, namely closing the eMBMS function, and if not, switching the unicast to the multicast, namely opening the eMBMS function; the total unicast resource consumption flow rate price can be obtained by summing the number of the UE of each service and multiplying the sum by the unit price of the unicast service, and the total broadcast resource consumption flow rate price can be obtained by summing the number of the UE of each service and multiplying the sum by the unit price of the eMBMS service.
Example two
In this embodiment, a method for single multicast dynamic switching in a network is implemented, where a current unicast condition is that an eMBMS intelligent platform is not starting an eMBMS function, as shown in fig. 3, the method includes the following steps:
step 301: the eMBMS intelligent platform acquires the number of UE of each unicast service in the area and the wireless state information of each UE;
specifically, as shown in fig. 4, the eMBMS intelligent platform receives service address requests of UEs of unicast services forwarded by an eNodeB in a region where the eMBMS intelligent platform is located, records user IP and S1-APID in the service address requests through a Deep Packet Inspection (DPI) function, receives a service address corresponding to the service address request returned by a server, counts the number of UEs of the same unicast service according to the service address in a counting period, and queries wireless state information of each UE from the eNodeB through the user IP and S1-APID; the wireless status information includes: MCS level, layer number, SINR, etc. Here, the service address request may be a video slicing request, and the corresponding service address may be a video slicing address.
Step 302: the eMBMS intelligent platform judges whether to switch the unicast service into the multicast according to the UE number of each unicast service and the wireless state information of each UE in combination with a switching judgment criterion;
the handover decision criteria include: a radio resource consumption saving priority criterion or a revenue priority criterion;
wherein the radio resource consumption saving priority criterion may be: judging whether the broadcast wireless resource consumption is less than the unicast resource consumption, if so, switching the unicast to the multicast, starting the eMBMS function, and if so, switching the multicast to the unicast, and closing the eMBMS function;
the broadcast wireless resource consumption can be obtained by multiplying a broadcast MCS level by an average layer number of the UE of each unicast service, the unicast resource consumption can be obtained by multiplying an average number of the UE of each unicast service by an average MCS level of the UE of each unicast service, the broadcast MCS level is a lowest value of the unicast MCS levels, the average number of the UE of each unicast service is obtained by averaging the number of the UE of each unicast service, the average layer number of the UE of each unicast service is obtained by averaging the layer number of the UE of each unicast service, and the average MCS level of the UE of each unicast service is obtained by averaging the MCS level of the UE of each unicast service;
considering the one-way reliability of broadcasting, the broadcast MCS level is generally lower than the unicast MCS level, MIMO cannot be used, that is, throughput gains of multiple layers cannot be obtained, and the conditions for switching unicast to multicast are as follows:
(average number of UEs for unicast traffic) × (average MCS level of UE for each unicast traffic) — broadcast MCS level (average number of layers of UE for each unicast traffic) > 0;
the revenue priority criteria may be: judging whether the total price of the unicast resource consumption flow is greater than the total price of the broadcast resource consumption flow, if so, switching the multicast into the unicast and closing the eMBMS function, and if not, switching the unicast into the multicast and opening the eMBMS function; this criterion takes into account the maximization of the revenue of the operator, for example the condition for switching unicast to multicast is:
summing the UE number of each service and the eMBMS service unit price;
as shown in fig. 4, when it is determined that unicast is switched to multicast, the eMBMS intelligent platform starts a broadcast downloading process, specifically: simulating the UE to forward the service address request to the server, caching the service address corresponding to the service address request returned by the server, notifying each UE of unicast switching to multicast through notification messages (notification) and service announcements of the area where the UE is located, and configuring the multicast MCS level in the current area according to the wireless state information of each UE.
EXAMPLE III
In this embodiment, a method for single multicast dynamic switching in a network is implemented, where a current multicast condition is that an eMBMS intelligent platform starts an eMBMS function, as shown in fig. 5, the method includes the following steps:
step 501: the eMBMS intelligent platform acquires the number of UE of each multicast service in the area and the wireless state information of each UE;
specifically, as shown in fig. 6, the eMBMS intelligent platform receives a multicast service currently being received, which is periodically reported by the UE through an application layer heartbeat mechanism, analyzes a destination IP address, a user IP, and S1-APID therein through a DPI function, counts the number of UEs of each multicast service according to the destination IP address in a counting period, and queries the radio status information of each UE from the eNodeB through the user IP and S1-APID.
Step 502: the eMBMS intelligent platform judges whether to switch the multicast into the unicast according to the UE number of each multicast service and the wireless state information of each UE in combination with the switching judgment criterion;
the handover decision criteria include: a radio resource consumption saving priority criterion or a revenue priority criterion;
wherein the radio resource consumption saving priority criterion may be: judging whether the broadcast wireless resource consumption is less than the unicast resource consumption, if so, switching the unicast to the multicast, starting the eMBMS function, and if so, switching the multicast to the unicast, and closing the eMBMS function;
the broadcast wireless resource consumption can be obtained by multiplying the broadcast MCS level by the average layer number of the UE of each multicast service, the unicast resource consumption can be obtained by multiplying the average UE number of each multicast service by the average MCS level of the UE of each multicast service, the broadcast MCS level is the multicast MCS level configured by the current eMBMS intelligent platform, the average UE number of each multicast service is obtained by averaging the UE number of each multicast service, the average layer number of the UE of each multicast service is obtained by averaging the layer number of the UE of each multicast service, and the average MCS level of the UE of each multicast service is obtained by averaging the MCS level of the UE of each multicast service;
the revenue priority criteria may be: judging whether the total price of the unicast resource consumption flow is greater than the total price of the broadcast resource consumption flow, if so, switching the multicast into the unicast and closing the eMBMS function, and if not, switching the unicast into the multicast and opening the eMBMS function; this criterion takes into account the operator's revenue maximization;
as shown in fig. 6, when it is determined to switch the multicast to the unicast, the eMBMS intelligent platform starts a broadcast modification procedure, which specifically includes: and informing each UE of switching the multicast into the unicast through the notification of the service of the region where the notification and the notification of the service are located, so that the UE retransmits the service address request in a unicast mode, and the server feeds back the service address.
Example four
Correspondingly, the present invention further provides a method for single multicast dynamic handover in a network, as shown in fig. 7, the method includes:
step 701: the UE sends a service message to the eMBMS intelligent platform through the eNodeB;
wherein, under the condition of unicast, the service message is a service address request; under the multicast condition, the service message is a multicast service which is reported periodically through an application layer heartbeat mechanism and is currently received.
Step 702: and the UE receives a single multicast switching notification of the eMBMS intelligent platform through the eNodeB.
Correspondingly, the present invention further provides a method for single multicast dynamic handover in a network, as shown in fig. 8, the method includes:
step 801: the eNodeB forwards the service message to the eMBMS intelligent platform;
wherein, under the condition of unicast, the service message is a service address request; under the multicast condition, the service message is the multicast service which is periodically reported by the UE and is currently received.
Step 802: the eNodeB forwards the inquired wireless state information of each UE to the eMBMS intelligent platform;
wherein the wireless status information comprises: MCS level, layer number, SINR, etc.
Step 803: and the eNodeB forwards the single multicast switching notification of the eMBMS intelligent platform to the UE.
EXAMPLE five
In order to implement the foregoing method, the present invention further provides an eMBMS intelligent platform, as shown in fig. 9, including: a MEC module 91, an eMBMS function module 92; wherein the content of the first and second substances,
the MEC module 91 is configured to acquire the number of UEs in each service in the area and the wireless state information of each UE, and determine whether to notify the eMBMS function module 92 to switch unicast to multicast or switch multicast to unicast according to the number of UEs in each service and the wireless state information of each UE in combination with a switching decision criterion;
the eMBMS function module 92 is configured to switch a unicast to a multicast or switch a multicast to a unicast according to the notification of the MEC module 91;
the wireless status information includes: MCS level, layer number and SINR;
the handover decision criteria include: a radio resource consumption saving priority criterion or a revenue priority criterion;
wherein the radio resource consumption saving priority criterion may be: judging whether the broadcast wireless resource consumption is less than the unicast resource consumption, if so, switching the unicast to the multicast, namely starting the eMBMS function, and if so, switching the multicast to the unicast, namely closing the eMBMS function;
the broadcast wireless resource consumption can be obtained by multiplying the broadcast MCS level by the average layer number of the UE of each service, and the unicast resource consumption can be obtained by multiplying the average UE number of each service by the average MCS level of the UE of each service;
when the eMBMS function module 92 does not start the eMBMS function, the broadcast MCS level is the lowest value of the unicast MCS level, the average number of the UEs of each service is obtained by averaging the number of the UEs of each unicast service, the average layer number of the UEs of each service is obtained by averaging the layer number of the UEs of each unicast service, and the average MCS level of the UEs of each service is obtained by averaging the MCS levels of the UEs of each unicast service;
when the eMBMS function module 92 has started the eMBMS function, the broadcast MCS level is a multicast MCS level configured by the eMBMS intelligent platform, the average number of UEs of each service is obtained by averaging the number of UEs of each multicast service, the average number of layers of UEs of each service is obtained by averaging the number of layers of UEs of each multicast service, and the average MCS level of the UEs of each service is obtained by averaging the MCS levels of the UEs of each multicast service;
the revenue priority criteria may be: judging whether the total price of the unicast resource consumption flow is greater than the total price of the broadcast resource consumption flow, if so, switching the multicast to the unicast, namely closing the eMBMS function, and if not, switching the unicast to the multicast, namely opening the eMBMS function; the total unicast resource consumption flow rate price can be obtained by summing the number of the UE of each service and multiplying the sum by the unit price of the unicast service, and the total broadcast resource consumption flow rate price is obtained by summing the number of the UE of each service and multiplying the sum by the unit price of the eMBMS service.
When the current unicast service is realized, the MEC module 91 receives service address requests of UEs of each unicast service forwarded by an eNodeB in a region where the MEC module is located, records user IP and S1-APID in the service address requests through a Deep Packet Inspection (DPI) function, receives a service address corresponding to the service address request returned by a server, counts the number of UEs of each same unicast service according to the service address in a counting period, and queries wireless state information of each UE from the eNodeB through the user IP and S1-APID; the wireless status information includes: MCS level, layer number, SINR, etc.
After the MEC module 91 notifies the eMBMS function module 92 of switching unicast to multicast through the interface with the eMBMS function module 92, a broadcast delivery flow is started, specifically: and simulating the UE to forward the service address request to the server, caching the service address corresponding to the service address request returned by the server, notifying each UE of switching unicast into multicast through notification and service announcement of the area where the UE is located, and configuring the multicast MCS level in the current area according to the wireless state information of each UE.
When the current multicast service is the multicast service, the MEC module 91 receives the multicast service which is reported periodically by the UE through an application layer heartbeat mechanism and is currently received, analyzes a destination IP address, a user IP and S1-APID therein through a DPI function, counts the number of UEs of each multicast service according to the destination IP address in a counting period, and queries the wireless state information of each UE from the eNodeB through the user IP and S1-APID.
After the MEC module 91 notifies the eMBMS function module 92 to switch the multicast to the unicast through the interface with the eMBMS function module 92, a broadcast modification flow is started, specifically: and informing each UE of switching the multicast into the unicast through the notification of the service of the region where the notification and the notification of the service are located, so that the UE retransmits the service address request in a unicast mode, and the server feeds back the service address.
EXAMPLE six
The present invention also provides a UE, as shown in fig. 10, the UE includes: a sending module 101 and a receiving module 102; wherein the content of the first and second substances,
a sending module 101, configured to send a service message to an eMBMS intelligent platform through an eNodeB;
a receiving module 102, configured to receive a single multicast handover notification of an eMBMS intelligent platform through an eNodeB.
Here, in the unicast case, the service message is a service address request; under the multicast condition, the service message is a multicast service which is reported periodically through an application layer heartbeat mechanism and is currently received.
EXAMPLE seven
The present invention also provides an eNodeB, as shown in fig. 11, the eNodeB including: a first forwarding module 111, a query module 112, and a second forwarding module 113; wherein the content of the first and second substances,
a first forwarding module 111, configured to forward a service message to the eMBMS intelligent platform;
wherein, under the condition of unicast, the service message is a service address request; under the multicast condition, the service message is the multicast service which is periodically reported by the UE and is currently received.
The query module 112 is configured to forward the radio state information of each UE queried by the eMBMS intelligent platform to the eMBMS intelligent platform;
wherein the wireless status information comprises: MCS level, layer number, SINR, etc.
A second forwarding module 113, configured to forward a single multicast handover notification of the eMBMS intelligent platform to the UE.
Example eight
The present invention also realizes a system for single multicast dynamic switching in a network, as shown in fig. 1, the system includes: UE11, eNodeB 12, eMBMS intelligent platform 13; wherein the content of the first and second substances,
the UE11 is used for sending a service message to the eMBMS intelligent platform 13 through the eNodeB 12 and receiving a single multicast switching notification of the eMBMS intelligent platform 13;
an eNodeB 12, configured to forward the service message and the radio state information of each UE queried by the service message to the eMBMS intelligent platform 13, and forward a single multicast handover notification of the eMBMS intelligent platform to the UE 11;
and the eMBMS intelligent platform 13 is used for acquiring the number of the UE of each service in the area and the wireless state information of each UE11, and judging whether to switch the unicast into the multicast or switch the multicast into the unicast according to the number of the UE of each service and the wireless state information of each UE11 by combining a switching judgment criterion.
By integrating the embodiments of the invention, the eMBMS intelligent platform is added at the eNodeB in the network, so that the single multicast dynamic switching in the LTE network can be realized, and the waste of wireless resources is avoided.
The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, and any modifications, equivalents, improvements, etc. that are within the spirit and principle of the present invention should be included in the present invention.
Claims (18)
1. A method for single multicast dynamic handover in a network, the method comprising:
the enhanced multimedia broadcast multicast service (eMBMS) intelligent platform acquires the number of User Equipment (UE) of each service in the area and the wireless state information of each UE, and judges whether to switch the multicast to the multicast or to switch the multicast to the unicast according to the number of the UE of each service and the wireless state information of each UE in combination with a switching judgment criterion;
the wireless status information includes at least: modulation and coding strategy MCS level and layer number;
the handover decision criteria include: a radio resource consumption saving priority criterion or a revenue priority criterion;
wherein the radio resource consumption saving priority criterion is: judging whether the broadcast wireless resource consumption is less than the unicast resource consumption, if so, switching the unicast to the multicast, and if so, switching the multicast to the unicast; the broadcast wireless resource consumption is obtained by multiplying the broadcast MCS level by the average layer number of the UE of each service, and the unicast resource consumption is obtained by multiplying the average UE number of each service by the average MCS level of the UE of each service;
the income priority criterion is as follows: judging whether the total price of the unicast resource consumption flow is greater than the total price of the broadcast resource consumption flow, if so, switching the multicast into the unicast, and if not, switching the unicast into the multicast; the total unicast resource consumption flow rate price is obtained by summing the number of the UE of each service and multiplying the sum by the unit price of the unicast service, and the total broadcast resource consumption flow rate price is obtained by summing the number of the UE of each service and multiplying the sum by the unit price of the eMBMS service.
2. The method of claim 1, wherein the radio status information further comprises: signal to interference plus noise ratio SINR.
3. The method of claim 1, wherein the acquiring, by the eMBMS smart platform, the number of UEs for each service in the area and the radio status information of each UE comprises: under the current unicast condition, the eMBMS intelligent platform receives service address requests of UE of all unicast services forwarded by an eNodeB in the area, records user IP and S1-APID in the service address requests through a deep packet inspection DPI function, receives service addresses corresponding to the service address requests returned by a server, counts the number of UE of all the same unicast services according to the service addresses in a counting time period, and inquires wireless state information of all the UE from the eNodeB through the user IP and an S1 interface application identifier S1-APID.
4. The method of claim 1, wherein the acquiring, by the eMBMS smart platform, the number of UEs for each service in the area and the radio status information of each UE comprises: under the current multicast condition, the eMBMS intelligent platform receives the multicast service which is reported periodically by the UE through an application layer heartbeat mechanism and is currently received, analyzes a target IP address, a user IP and S1-APID in the multicast service through a DPI function, counts the number of the UE of each multicast service according to the target IP address in a counting time period, and inquires the wireless state information of each UE from the eNodeB through the user IP and the S1-APID.
5. A method for single multicast dynamic handover in a network, the method comprising:
the UE sends a service message to the eMBMS intelligent platform through the eNodeB;
the method comprises the steps that UE receives a single-multicast switching notification of an eMBMS intelligent platform through an eNodeB, wherein the single-multicast switching notification is obtained by acquiring the number of User Equipment (UE) of each service in an area and the wireless state information of each UE through the eMBMS intelligent platform, and judging whether to switch unicast into multicast or switch multicast into unicast according to the number of the UE of each service and the wireless state information of each UE in combination with a switching judgment criterion;
the wireless status information includes at least: modulation and coding strategy MCS level and layer number;
the handover decision criteria include: a radio resource consumption saving priority criterion or a revenue priority criterion;
wherein the radio resource consumption saving priority criterion is: the eMBMS intelligent platform judges whether the broadcast wireless resource consumption is less than the unicast resource consumption, if so, the unicast is switched to the multicast, and if so, the multicast is switched to the unicast;
the income priority criterion is as follows: and the eMBMS intelligent platform judges whether the total price of the unicast resource consumption flow is greater than that of the broadcast resource consumption flow, if so, the multicast is switched to the unicast, and if not, the unicast is switched to the multicast.
6. The method of claim 5, wherein in the unicast case, the service message is a service address request; under the multicast condition, the service message is a multicast service which is reported periodically through an application layer heartbeat mechanism and is currently received.
7. A method for single multicast dynamic handover in a network, the method comprising:
the eNodeB forwards the service message and the wireless state information of each UE inquired by the eMBMS intelligent platform to the eMBMS intelligent platform;
the method comprises the steps that an eNodeB forwards a single-multicast switching notification of an eMBMS intelligent platform to UE, wherein the single-multicast switching notification is obtained by acquiring the number of User Equipment (UE) of each service in an area and the wireless state information of each UE through the eMBMS intelligent platform, and judging whether to switch unicast into multicast or switch multicast into unicast according to the number of the UE of each service and the wireless state information of each UE in combination with a switching judgment criterion;
the wireless status information includes at least: modulation and coding strategy MCS level and layer number;
the handover decision criteria include: a radio resource consumption saving priority criterion or a revenue priority criterion;
wherein the radio resource consumption saving priority criterion is: the eMBMS intelligent platform judges whether the broadcast wireless resource consumption is less than the unicast resource consumption, if so, the unicast is switched to the multicast, and if so, the multicast is switched to the unicast; the broadcast wireless resource consumption is obtained by multiplying the broadcast MCS level by the average layer number of the UE of each service, and the unicast resource consumption is obtained by multiplying the average UE number of each service by the average MCS level of the UE of each service;
the income priority criterion is as follows: the eMBMS intelligent platform judges whether the total price of the unicast resource consumption flow is greater than the total price of the broadcast resource consumption flow, if so, the multicast is switched to the unicast, and if not, the unicast is switched to the multicast; the total unicast resource consumption flow rate price is obtained by summing the number of the UE of each service and multiplying the sum by the unit price of the unicast service, and the total broadcast resource consumption flow rate price is obtained by summing the number of the UE of each service and multiplying the sum by the unit price of the eMBMS service.
8. The method of claim 7, wherein the radio status information further comprises: and (7) SINR.
9. An eMBMS smart platform, comprising: an MEC module and an eMBMS function module; wherein the content of the first and second substances,
the MEC module is used for acquiring the number of the UE of each service and the wireless state information of each UE in the area, and judging whether to inform the eMBMS function module to switch the unicast into the multicast or switch the multicast into the unicast according to the number of the UE of each service and the wireless state information of each UE in combination with a switching judgment criterion;
the eMBMS function module is used for switching unicast into multicast or switching multicast into unicast according to the notification of the MEC module;
the wireless status information includes at least: modulation and coding strategy MCS level and layer number;
the handover decision criteria include: a radio resource consumption saving priority criterion or a revenue priority criterion;
wherein the radio resource consumption saving priority criterion is: the MEC module judges whether the broadcast wireless resource consumption is less than the unicast resource consumption, if so, the unicast is switched to the multicast, and if so, the multicast is switched to the unicast; the broadcast wireless resource consumption is obtained by multiplying the broadcast MCS level by the average layer number of the UE of each service, and the unicast resource consumption is obtained by multiplying the average UE number of each service by the average MCS level of the UE of each service;
the income priority criterion is as follows: the MEC module judges whether the total price of the unicast resource consumption flow is greater than the total price of the broadcast resource consumption flow, if so, the multicast is switched to the unicast, and if not, the unicast is switched to the multicast; the total unicast resource consumption flow rate price is obtained by summing the number of the UE of each service and multiplying the sum by the unit price of the unicast service, and the total broadcast resource consumption flow rate price is obtained by summing the number of the UE of each service and multiplying the sum by the unit price of the eMBMS service.
10. The eMBMS smart platform of claim 9, wherein the radio status information further comprises: and (7) SINR.
11. The eMBMS intelligent platform according to claim 9, wherein the MEC module is specifically configured to, in a case where the current service is unicast, receive a service address request of a UE of each unicast service forwarded by an eNodeB in a local area, record a user IP and S1-APID in the service address request through a DPI function, receive a service address corresponding to the service address request returned by the server, count the number of UEs of each same unicast service according to the service address in a statistical period, and query radio status information of each UE from the eNodeB through the user IP and S1-APID.
12. The eMBMS intelligent platform of claim 9, wherein the MEC module is specifically configured to, when a current multicast service is currently multicast, receive a currently-received multicast service that is periodically reported by a UE through an application layer heartbeat mechanism, analyze a destination IP address, a user IP, and S1-APID therein through a DPI function, count the number of UEs in each multicast service according to the destination IP address in a counting period, and query radio status information of each UE from an eNodeB through the user IP and S1-APID.
13. A UE, comprising: a sending module and a receiving module; wherein the content of the first and second substances,
the sending module is used for sending a service message to the eMBMS intelligent platform through the eNodeB;
the receiving module is used for receiving a single multicast switching notification of the eMBMS intelligent platform through an eNodeB, wherein the single multicast switching notification is obtained by acquiring the number of User Equipment (UE) of each service in the area and the wireless state information of each UE through the eMBMS intelligent platform, and judging whether to switch the unicast into the multicast or switch the multicast into the unicast according to the number of the UE of each service and the wireless state information of each UE in combination with a switching judgment criterion;
the wireless status information includes at least: modulation and coding strategy MCS level and layer number;
the handover decision criteria include: a radio resource consumption saving priority criterion or a revenue priority criterion;
wherein the radio resource consumption saving priority criterion is: the eMBMS intelligent platform judges whether the broadcast wireless resource consumption is less than the unicast resource consumption, if so, the unicast is switched to the multicast, and if so, the multicast is switched to the unicast; the broadcast wireless resource consumption is obtained by multiplying the broadcast MCS level by the average layer number of the UE of each service, and the unicast resource consumption is obtained by multiplying the average UE number of each service by the average MCS level of the UE of each service;
the income priority criterion is as follows: the eMBMS intelligent platform judges whether the total price of the unicast resource consumption flow is greater than the total price of the broadcast resource consumption flow, if so, the multicast is switched to the unicast, and if not, the unicast is switched to the multicast; the total unicast resource consumption flow rate price is obtained by summing the number of the UE of each service and multiplying the sum by the unit price of the unicast service, and the total broadcast resource consumption flow rate price is obtained by summing the number of the UE of each service and multiplying the sum by the unit price of the eMBMS service.
14. The UE of claim 13, wherein in the unicast case, the traffic message is a traffic address request; under the multicast condition, the service message is a multicast service which is reported periodically through an application layer heartbeat mechanism and is currently received.
15. An eNodeB, comprising: the system comprises a first forwarding module, a query module and a second forwarding module; wherein the content of the first and second substances,
the first forwarding module is used for forwarding the service message to the eMBMS intelligent platform;
the query module is used for forwarding the queried wireless state information of each UE to the eMBMS intelligent platform;
the second forwarding module is used for forwarding a single multicast switching notification of the eMBMS intelligent platform to the UE, wherein the single multicast switching notification is obtained by acquiring the number of User Equipment (UE) of each service in the area and the wireless state information of each UE through the eMBMS intelligent platform, and judging whether to switch the unicast into the multicast or switch the multicast into the unicast according to the number of the UE of each service and the wireless state information of each UE in combination with a switching judgment criterion;
the wireless status information includes at least: modulation and coding strategy MCS level and layer number;
the handover decision criteria include: a radio resource consumption saving priority criterion or a revenue priority criterion;
wherein the radio resource consumption saving priority criterion is: the eMBMS intelligent platform judges whether the broadcast wireless resource consumption is less than the unicast resource consumption, if so, the unicast is switched to the multicast, and if so, the multicast is switched to the unicast; the broadcast wireless resource consumption is obtained by multiplying the broadcast MCS level by the average layer number of the UE of each service, and the unicast resource consumption is obtained by multiplying the average UE number of each service by the average MCS level of the UE of each service;
the income priority criterion is as follows: the eMBMS intelligent platform judges whether the total price of the unicast resource consumption flow is greater than the total price of the broadcast resource consumption flow, if so, the multicast is switched to the unicast, and if not, the unicast is switched to the multicast; the total unicast resource consumption flow rate price is obtained by summing the number of the UE of each service and multiplying the sum by the unit price of the unicast service, and the total broadcast resource consumption flow rate price is obtained by summing the number of the UE of each service and multiplying the sum by the unit price of the eMBMS service.
16. The eNodeB of claim 15 wherein in the unicast case, the traffic message is a traffic address request; under the multicast condition, the service message is the multicast service which is periodically reported by the UE and is currently received.
17. The eNodeB of claim 15, wherein the radio state information comprises: MCS level, layer number and SINR.
18. A system for single multicast dynamic handover in a network, the system comprising: UE, eNodeB and eMBMS intelligent platform; wherein the content of the first and second substances,
the UE is used for sending a service message to the eMBMS intelligent platform and receiving a single multicast switching notification of the eMBMS intelligent platform through the eNodeB;
the eNodeB is used for forwarding the service message and the radio state information of each UE inquired by the service message to the eMBMS intelligent platform and forwarding the single multicast switching notification of the eMBMS intelligent platform to the UE;
the eMBMS intelligent platform is used for acquiring the number of the UE of each service in the area and the wireless state information of each UE, and judging whether to switch the multicast into the multicast or switch the multicast into the unicast according to the number of the UE of each service and the wireless state information of each UE in combination with a switching judgment criterion;
the wireless status information includes at least: modulation and coding strategy MCS level and layer number;
the handover decision criteria include: a radio resource consumption saving priority criterion or a revenue priority criterion;
wherein the radio resource consumption saving priority criterion is: the eMBMS intelligent platform judges whether the broadcast wireless resource consumption is less than the unicast resource consumption, if so, the unicast is switched to the multicast, and if so, the multicast is switched to the unicast; the broadcast wireless resource consumption is obtained by multiplying the broadcast MCS level by the average layer number of the UE of each service, and the unicast resource consumption is obtained by multiplying the average UE number of each service by the average MCS level of the UE of each service;
the income priority criterion is as follows: the eMBMS intelligent platform judges whether the total price of the unicast resource consumption flow is greater than the total price of the broadcast resource consumption flow, if so, the multicast is switched to the unicast, and if not, the unicast is switched to the multicast; the total unicast resource consumption flow rate price is obtained by summing the number of the UE of each service and multiplying the sum by the unit price of the unicast service, and the total broadcast resource consumption flow rate price is obtained by summing the number of the UE of each service and multiplying the sum by the unit price of the eMBMS service.
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Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
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| WO2018068863A1 (en) * | 2016-10-14 | 2018-04-19 | Sony Mobile Communications Inc. | Relocation of mobile edge applications |
| CN107071801B (en) * | 2017-03-03 | 2020-02-04 | 上海斐讯数据通信技术有限公司 | Method and system for switching data transmission modes |
| CN109257781B (en) * | 2017-07-13 | 2021-03-26 | 鸿海精密工业股份有限公司 | Hand-off method and device |
| CN110809244B (en) * | 2019-11-07 | 2023-04-18 | 腾讯科技（深圳）有限公司 | Data transmission method and related equipment |
| WO2021142654A1 (en) * | 2020-01-15 | 2021-07-22 | Mediatek Singapore Pte. Ltd. | Methods and apparatus of dynamic switch between multicast and unicast for nr multicast service |
| CN111432352B (en) * | 2020-03-30 | 2022-03-22 | 深圳市信锐网科技术有限公司 | Message transmission method, device, equipment and storage medium |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101030918A (en) * | 2006-03-03 | 2007-09-05 | 华为技术有限公司 | Method, apparatus and system for supplying packet service based on IP network |
| CN101242581A (en) * | 2008-02-28 | 2008-08-13 | 华为技术有限公司 | Mobile stream media managing method, system and device |
| CN101331779A (en) * | 2005-12-12 | 2008-12-24 | 摩托罗拉公司 | System and method for dynamically selecting wireless information communication modes for a wireless communication device |
| EP2066077A1 (en) * | 2006-10-14 | 2009-06-03 | Huawei Technologies Co Ltd | System, device and method for controlling the carry change |
| CN102202261A (en) * | 2010-03-23 | 2011-09-28 | 财团法人工业技术研究院 | Decision device and method for handover between broadcast service and unicast service, and terminal device |
| CN103026642A (en) * | 2010-07-26 | 2013-04-03 | 韩国电子通信研究院 | System for transmitting control signals using an uplink |
| CN103974198A (en) * | 2013-01-30 | 2014-08-06 | 中国电信股份有限公司 | Resource scheduling method, device and base station for long-term evolution system multicast broadcasting service |
| CN104303545A (en) * | 2012-05-04 | 2015-01-21 | 高通股份有限公司 | Smooth transition between multimedia broadcast multicast service (mbms) and unicast service by demand |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104137574B (en) * | 2013-02-06 | 2018-12-28 | 华为技术有限公司 | Data transmission, acquisition methods and base station |
| CN103249006B (en) * | 2013-04-28 | 2015-09-30 | 清华大学 | The pre-method for pushing of a kind of network data based on multicast |
-
2015
- 2015-01-30 CN CN201510051559.1A patent/CN105992155B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101331779A (en) * | 2005-12-12 | 2008-12-24 | 摩托罗拉公司 | System and method for dynamically selecting wireless information communication modes for a wireless communication device |
| CN101030918A (en) * | 2006-03-03 | 2007-09-05 | 华为技术有限公司 | Method, apparatus and system for supplying packet service based on IP network |
| EP2066077A1 (en) * | 2006-10-14 | 2009-06-03 | Huawei Technologies Co Ltd | System, device and method for controlling the carry change |
| CN101242581A (en) * | 2008-02-28 | 2008-08-13 | 华为技术有限公司 | Mobile stream media managing method, system and device |
| CN102202261A (en) * | 2010-03-23 | 2011-09-28 | 财团法人工业技术研究院 | Decision device and method for handover between broadcast service and unicast service, and terminal device |
| CN103026642A (en) * | 2010-07-26 | 2013-04-03 | 韩国电子通信研究院 | System for transmitting control signals using an uplink |
| CN104303545A (en) * | 2012-05-04 | 2015-01-21 | 高通股份有限公司 | Smooth transition between multimedia broadcast multicast service (mbms) and unicast service by demand |
| CN103974198A (en) * | 2013-01-30 | 2014-08-06 | 中国电信股份有限公司 | Resource scheduling method, device and base station for long-term evolution system multicast broadcasting service |
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