CN112333802A - Cross-network switching system for wireless communication equipment - Google Patents
Cross-network switching system for wireless communication equipment Download PDFInfo
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
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Abstract
The invention provides a cross-network switching system for wireless communication equipment, wherein user equipment communicates with a first network through first signal transmitting equipment and a first wireless network controller, the user equipment can communicate with a second network through second signal transmitting equipment and a second wireless network controller in a switchable manner, the first signal transmitting equipment and the second signal transmitting equipment transmit/receive time sequences of the user equipment through a communication feedback link, the user equipment receives and transmits signals to the first or second signal transmitting equipment through the communication link, and the first network and the second network communicate and/or share information through a core network and/or the Internet; the first signal transmitting equipment and the second signal transmitting equipment negotiate the time sequence, and the first signal transmitting equipment and the second signal transmitting equipment transmit the negotiated service information to the strategy making module.
Description
Technical Field
The invention relates to a cross-network switching system for wireless communication equipment.
Background
The cross-network handover system can be generally divided into three different levels: network, service and operation. The network switching is to construct a single core network and a related control processing and service providing system, and to simultaneously use the core network and the related control processing and service providing system in a fixed access network and a mobile access network. Service switching can use different terminal devices to access services at any time and place through different access networks, but the service standards are consistent. The operation fusion realizes the rapid deployment and development of the business and the combined marketing of the unified service, can improve the satisfaction degree of users, and reduces the operation cost of operators.
Disclosure of Invention
The invention provides a cross-network switching system for wireless communication equipment, which comprises: the system comprises a first signal transmitting device, a second signal transmitting device, user equipment, a first wireless network controller, a second wireless network controller, a first network and a second network;
the user equipment communicates with a first network via a first signal transmitting device and a first wireless network controller, the user equipment switchably communicates with a second network via a second signal transmitting device and a second wireless network controller,
the first signal transmitting device and the second signal transmitting device transmit/receive timing to the user equipment via the communication feedback link, the user equipment receives and transmits signals to the first or second signal transmitting device via the communication link, and the first network and the second network communicate via the core network; the first signal transmitting equipment and the second signal transmitting equipment negotiate the time sequence, and the first signal transmitting equipment and the second signal transmitting equipment transmit the negotiated service information to the strategy making module; the strategy making module makes different strategies aiming at the first or second network users according to the related identification information of the source and destination users acquired from the service information received by the signal transmitting equipment;
the strategy making module comprises a receiving module, a judging module, a first network strategy control module and a second network strategy control module; the first network strategy control module and the second network strategy control module both comprise a network strategy conversion module.
Further, a transceiver is included for adjusting timing transitions due to user equipment mobility.
Furthermore, the receiving module is responsible for interacting with the application layer, and receiving service information which is sent to the strategy making module through the unified interface A/B after the application layer negotiates with a user; the judging module can forward the corresponding service negotiation information and the service resource request to the first or second network strategy control module according to the source end and the destination end identification in the service information transmitted by the receiving module.
Further, the user equipment includes one or more processors that operate in conjunction with the voice and data components to provide simultaneous data dialing in the first network and voice dialing in the second network.
Further, the voice and data components are communicatively coupled to a transceiver that includes a radio unit having a receiver for receiving and processing radio frequency signals and a transmitter for processing and transmitting radio frequency signals.
Further, the voice and data components include voice dialing components, data dialing components, discontinuous transmission/discontinuous reception mode components, and/or switching and timing components.
Further, the receiver of the user equipment has two receiving radio unit chains and one transmitting radio unit chain, one for the universal mobile telecommunications network and one for the LTE network.
Drawings
FIG. 1 is a schematic structural diagram of a cross-network switching system according to the present invention;
fig. 2 is a schematic structural diagram of a user equipment of the present invention;
FIG. 3 is a schematic diagram of the structure of the policy making module of the present invention;
Detailed Description
The cross-network handover system 100 includes at least one user equipment UE112 in communication coverage of a first signal transmitting device 114 (e.g., a base station, node, or sub-node in a mobile communication network). The UE112 may communicate with a first network 118 via a first signal transmitting device 114 and a first radio network controller, RNC, 116. A plurality of user equipments, UEs 112, are in the coverage network of the first signal transmitting apparatus 114. In the wireless communication system 100, a plurality of UEs 112 may also be located in a coverage network of the second signal transmitting apparatus 120, for example, a base station, a node or a sub-node in an LTE network. A plurality of user equipment UEs 112 communicate with a second network 124 via a second signal transmitting device 120 and a second radio network controller RNC 122. The first network 118 (e.g., a universal mobile telecommunications network) and/or the second network (e.g., an LTE communications network) may include one or more signal transmitting devices, and the first signal transmitting device 114 and the second signal transmitting device 120 may communicate via a communication backhaul link 128. The user equipment UE112 may receive and transmit signals to the signal transmitting device via the communication link 126. The first network 118 and the second network 124 may communicate and/or share information via a core network and/or the internet 180.
The first signal transmitting apparatus 114 may communicate the timing of the user equipment UE112 transmissions/receptions with the second signal transmitting apparatus 120, e.g., via the communication link 128. The first signal transmitting apparatus 114 and the second signal transmitting apparatus 120 may negotiate timing that is acceptable for both. For example, there may be a degree of possible timing flexibility in the first radio network 118, and communication between the first signal transmitting apparatus 114 and the second signal transmitting apparatus 120 may support the UE112 to re-coordinate the transceiver of the user equipment UE112 between the first signal transmitting apparatus 114 and the second signal transmitting apparatus 120, as well as to decide or adjust timing shifts due to the user equipment UE112 activity.
The user equipment UE112 may include one or more processors 110 (e.g., concurrent LTE data dialing and universal mobile telecommunications network voice dialing) that may operate in conjunction with the voice and data component 150 to provide simultaneous LTE network and universal mobile telecommunications network operation. The voice and data component 150 may reconfigure the LTE data dialing so that the LTE data dialing and the universal mobile telecommunications voice dialing may be carried concurrently. The voice and data component 150 may be communicatively coupled to the transceiver 106, and the transceiver 106 may include a radio 132 having a receiver 134 for receiving and processing Radio Frequency (RF) signals and a transmitter 136 for processing and transmitting RF signals. The voice and data component 150 can include a voice dialing component 152, a data dialing component 154, and a discontinuous transmission/discontinuous reception (DTX/DRX) mode component 156. The data dialing component 154 may configure the data dialing to a new state. A discontinuous transmission/discontinuous reception (DTX/DRX) mode component 156 may decide various aspects of the DTX/DRX mode to adjust or modify concurrent operation of voice and data dialing, and a switching and timing component 158 may configure a cycle for switching between voice dialing and data dialing, and adjust or modify timing of concurrent operation of voice and data dialing. The processor 110 may be coupled to the transceiver 106 and the memory 130 via at least one or more buses 11.
The receiver 134 may comprise hardware for receiving data, a carrier, and/or steps that may be executed by a processor. The receiver 134 may be, for example, a Radio Frequency (RF) receiver. The receiver 134 may receive the signal transmitted by the signal transmitting device 114, obtain the capacity of the signal, and determine the channel quality, signal-to-noise ratio, etc.
The receiver 134 of the user equipment UE112 may have two receive radio unit chains and one transmit radio unit chain. Two receive radio chains-one for the universal mobile telecommunications network and one for the LTE network-and the transmitter 136 may have one transmit radio chain. In this case, the user equipment UE112 may receive both LTE data dialing and universal mobile telecommunications network voice dialing simultaneously, however, only one dialing may be transmitted at a time, e.g., LTE data dialing or UMTS voice dialing.
The one or more processors 110 may include a modem 108 that uses one or more modem processors. Various functions associated with the voice and data component 150 may be included in the modem 108 and/or the processor 110, and the voice dialing component 152 and/or the data dialing component 154 may include hardware, carriers, and/or program steps that may be executed by a processor (e.g., the processor 110), where the hardware may include, for example, a hardware accelerator or a dedicated processor.
Discontinuous reception (DTX/DRX) mode component 156 and/or switching and timing component 158 may comprise hardware, bearers, and/or program steps that may be executed by a processor (e.g., processor 110), where the hardware may comprise, for example, a hardware accelerator or a dedicated processor.
The UE112 may include a Radio Frequency (RF) front end 104 and a transceiver 106 for receiving and transmitting wireless signals. A Radio Frequency (RF) front end 104 may be connected to one or more antennas 102 and may include one or more Low Noise Amplifiers (LNAs) 148, one or more switches 140, 142, 146, one or more Power Amplifiers (PAs) 162, and one or more filters 144 for transmitting and receiving RF signals. Components of a Radio Frequency (RF) front end 104 may be connected to a transceiver 106. The transceiver 106 may be connected to at least one modem 108 and a processor 110 via a bus 11.
One or more Low Noise Amplifiers (LNAs) 148 may amplify the received signal at a desired output bit alignment. Each Low Noise Amplifier (LNA)148 may have specified minimum and maximum gain values. Radio Frequency (RF) front end 104 may use one or more switches 142, 140 to select a particular LNA 148 and a specified gain value for LNA 148 based on a desired gain value for a particular application.
One or more Power Amplifiers (PAs) 162 may be used by the Radio Frequency (RF) front end 104 to amplify the Radio Frequency (RF) output signal at a desired output power level. Each Power Amplifier (PA)162 may have specified minimum and maximum gain values. The Radio Frequency (RF) front end 104 may use one or more switches 140, 146 to select a particular PA 162 and the assigned gain value for the PA 162 based on the desired gain value for a particular application.
One or more filters 144 may be used by the Radio Frequency (RF) front end 104 to filter the received signal to obtain an input Radio Frequency (RF) signal. Each filter 144 may be connected to a specific Low Noise Amplifier (LNA) and/or Power Amplifier (PA) 162. A Radio Frequency (RF) front end 104 may use one or more switches 140, 142, 146 to select a transmit or receive path using a designated filter 144, LNA 148, and/or PA 162 based on a configuration as specified by the transceiver 106 and/or processor 110.
The transceiver 106 may be configured to transmit and receive wireless signals via the antenna 102 via a Radio Frequency (RF) front end 104. The transceiver may be tuned to operate at a designated frequency so that the user equipment UE112 may communicate with the first signal transmitting device 114 or the second signal transmitting device 120. The modem 108 may configure the transceiver 106 to operate at a specified frequency and power level based on the UE configuration of the user equipment UE112 and the communication protocol used by the modem 108.
The following describes a procedure of cross-network voice over IP service VoIP by taking handover of two user equipments UEs in an LET network and a umts network as an example, where UE1 is a user in an LTE network, UE2 is a user in a umts network, and the LTE network user is registered with a first signal transmitting device 114 (a transmitting device of the LTE network). The fixed network user registers with the second signal transmitting device 120 (universal mobile telecommunications network). The user UE1 in the LTE network and the user UE2 in the universal mobile telecommunications network are ready to start a cross-network session negotiation. And the first signal transmitting equipment and the second signal transmitting equipment transmit the negotiated service information to the strategy making module.
The strategy making module makes different strategy rules aiming at LTE network users and universal mobile communication network users according to the relevant identification information of the source user and the target user obtained from the service information received by the signal transmitting equipment.
The policy making module is shown in fig. 3, and includes a receiving module, a determining module, an LTE network policy control module, and a umts network policy. A control module; the LTE network strategy control module and the universal mobile communication network strategy control module both comprise a network strategy conversion module.
The receiving module is responsible for interacting with the application layer and receiving the service information which is sent to the strategy making module by the unified interface A/B after the application layer negotiates with the user. Interface A is the interface of strategy making module and service layer, and interface B is the interface of charging system and service layer. The interfaces A and B are reference points of AF, and the fusion of the interfaces A and B has important application value. The judging module can forward the corresponding service negotiation information and the service resource request to the corresponding LTE network strategy control module or the universal mobile communication network strategy control module in the strategy making module according to the source end and the destination end identification in the service information transmitted by the receiving module. After the LTE network strategy control module receives the service negotiation information sent by the judging module, the strategy aiming at LTE network users and services and the related QoS (quality of service) rules are formulated, and the strategy rules are sent to the following modules through an interface C and an interface D: policy and charging module and event binding/reporting module to execute.
After the strategy control module of the universal mobile communication network receives the service negotiation information sent by the judging module, the strategy control module formulates a strategy and a relevant QoS rule aiming at the universal mobile communication network user and the service, and sends the strategy rule to the resource control execution module through the interface E for execution.
After the universal mobile communication network strategy control module receives the service negotiation information sent by the judging module, the universal mobile communication network strategy making module makes a strategy rule for the universal mobile communication network strategy making module to send the strategy rule to the event reporting module by using a push mode, and the resource control executing module respectively sends strategy rules of the LTE network and the universal mobile communication network to indicate the strategy executing entity to install a corresponding strategy. And the event binding/reporting module and the resource control execution module are respectively provided with strategies and return information and response to the strategy making module. The strategy making module issues strategy rules to the charging enhancement module by using a pushing mode and indicates installation strategies.
When a user moves between the LTE network and the universal mobile telecommunications network, the transferred policy information at least includes QoS information (such as bandwidth, priority, service information, etc.), and may also include user information, i.e., a user service list (including service information subscribed by the user, an identifier of the user, etc.). The QoS information interaction can ensure the continuity of the service, the user information interaction can be carried out, and the switching speed can be accelerated. The handover may be initiated by the application layer (AF) or may be initiated from the underlying layer.
For the QoS information interaction process, an application layer (AF) obtains service information from information parameters in the form of application layer (AF) session signaling and transmits the service information to a policy control and charging rule module through an interface A/B, the policy control and charging rule module maps the service information into authorized IP QoS parameters according to operator policies, user subscription information and the like, and the mapping in the function is independent and is not changed according to the change of an access technology. The strategy and charging module or event binding/reporting module in the gateway binds events according to the strategy and charging rules and reports the parameters to QoS parameters of specific access, which is the complete QoS parameter mapping process.
The present invention has been illustrated by the above embodiments, but it should be understood that the above embodiments are for illustrative and descriptive purposes only and are not intended to limit the invention to the scope of the described embodiments. It will also be appreciated by persons skilled in the art that the present invention is not limited to the embodiments described above, and that many variations and modifications are possible in light of the teaching of the present invention and are within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (7)
1. A cross-network switching system for a wireless communication device, comprising: the system comprises a first signal transmitting device, a second signal transmitting device, user equipment, a first wireless network controller, a second wireless network controller, a first network and a second network;
the user equipment communicates with a first network through first signal transmitting equipment and a first wireless network controller, and the user equipment can switchably communicate with a second network through second signal transmitting equipment and a second wireless network controller;
the first signal transmitting device and the second signal transmitting device transmit the transmission/reception timing of the user equipment through the communication feedback link, the user equipment receives and transmits signals to the first signal transmitting device or the second signal transmitting device through the communication link, and the first network and the second network communicate through the core network; the first signal transmitting equipment and the second signal transmitting equipment negotiate the time sequence, and the first signal transmitting equipment and the second signal transmitting equipment transmit the negotiated service information to the strategy making module;
the strategy making module makes different strategies aiming at the first or second network users according to the related identification information of the source and destination users acquired from the service information received by the first or second signal transmitting equipment;
the strategy making module comprises a receiving module, a judging module, a first network strategy control module and a second network strategy control module; the first network strategy control module and the second network strategy control module both comprise a network strategy conversion module.
2. The system of claim 1, further comprising a transceiver for adjusting timing transitions due to user equipment mobility.
3. The system of claim 1, wherein the receiving module is responsible for interacting with the application layer, and receiving service information that is sent to the policy making module through the unified interface a/B after negotiation between the application layer and the user; the judging module forwards the corresponding service negotiation information and the service resource request to the first or second network strategy control module according to the source and destination user related identification information in the service information transmitted by the receiving module.
4. The cross-network handover system for a wireless communication device of claim 2, wherein the user equipment comprises one or more processors that operate in conjunction with the voice and data components to provide simultaneous data dialing in the first network and voice dialing in the second network.
5. The cross-network switching system for wireless communication devices of claim 4, wherein the voice and data components are communicatively coupled to a transceiver, the transceiver comprising a radio unit having a receiver for receiving and processing radio frequency signals and a transmitter for processing and transmitting radio frequency signals.
6. The cross-network switching system for wireless communication devices of claim 4, wherein the voice and data components include voice dialing components, data dialing components, discontinuous transmission/discontinuous reception mode components and/or switching and timing components.
7. The system of claim 5, wherein the receiver of the UE has two receiving radio unit chains and one transmitting radio unit chain, one for the UMTS network and one for the LTE network.
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| CN202011345442.1A CN112333802A (en) | 2020-11-25 | 2020-11-25 | Cross-network switching system for wireless communication equipment |
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Application publication date: 20210205 |