WO2011137760A1

WO2011137760A1 - Method , device and system for data transmission

Info

Publication number: WO2011137760A1
Application number: PCT/CN2011/073801
Authority: WO
Inventors: 张劲林
Original assignee: 华为技术有限公司
Priority date: 2010-05-07
Filing date: 2011-05-09
Publication date: 2011-11-10
Also published as: CN101854202A

Abstract

A method for data transmission is disclosed in the embodiments of the present invention. The method comprises: a relay base station divides, according to pre-set transmission data characteristics and match rules of the transmission link, the data to be transmitted into the data in a wired transmission queue and the data in a wireless transmission queue; the relay base station respectively identifies the data in the wired transmission queue and the data in the wireless transmission queue obtained after division; the relay base station transmits, through a wired transmission link, the identified data in the wired transmission queue to the network nodes which are connected with the relay base station through the wired transmission link, and transmits, through a wireless transmission link, the identified data in the wireless transmission queue to the network nodes which are connected with the relay base station by the wireless transmission link. With the embodiments of the present invention, data can be transmitted through wired and wireless transmission links simultaneously, and the utilization rate of resources can be improved.

Description

Data transmission method, device and system

The present application claims priority to Chinese Application No. 2010-1017296, filed on May 7, 2010, the disclosure of which is incorporated herein in

Technical field

The present invention relates to the field of communications technologies, and in particular, to a data transmission method, device, and system in the field of communication systems. BACKGROUND OF THE INVENTION With the development of wireless communication technologies, the traffic volume of wireless systems is increasing, and the required bandwidth is increasing. The fixed transmission of the connected base station to the core network has become a factor limiting the deployment of wireless systems in more and more places. In the Long Term Evolution (LTE) system, relay technology provides the possibility to resolve transmissions wirelessly.

The relay base station (RB, Relay Base station) and the base station (DB, Donor Base station) transmit wirelessly, and the uplink signal of the user equipment (UE, User Equipment) is forwarded by the relay base station to the host base station, and then sent by the host base station to the core. Network gateway. The use of a relay base station in an LTE system can improve the coverage of the LTE system and increase the system capacity. However, in the prior art, the relay base station can only transmit with the host base station through the wireless transmission link, which hinders the utilization of the transmission resources and affects the efficiency of data transmission.

SUMMARY OF THE INVENTION The problem to be solved by the embodiments of the present invention is to provide a data transmission method, device, and system, and improve utilization of transmission resources.

In order to solve the above technical problem, an aspect of the present invention provides a data transmission method, including: a relay base station splits data to be transmitted into a wired transmission queue according to a preset transmission data characteristic and a matching rule of a transmission link. Data and wireless transmission queue data; relay base station pair split The data of the wired transmission queue and the data of the wireless transmission queue are respectively identified; the relay base station transmits the data of the identified wired transmission queue to the network node having the wired transmission link with the relay base station through the wired transmission link, And transmitting the data of the identified wireless transmission queue to the network node having the wireless transmission link with the relay base station through the wireless transmission link.

Another aspect of the present invention provides a data transmission device, including: a splitting module, configured to split data to be transmitted into data of a wired transmission queue according to a preset transmission data characteristic and a matching rule of a transmission link. The data of the wireless transmission queue; the identification module is configured to separately identify the data of the split wired transmission queue and the data of the wireless transmission queue; and the sending module is configured to use the data of the identified wired transmission queue through the wired transmission chain The path is transmitted to the network node having the wired transmission link with the device, and the data of the identified wireless transmission queue is transmitted through the wireless transmission link to the network node having the wireless transmission link with the device.

An embodiment of the present invention provides a data transmission system, including: the foregoing device.

Compared with the prior art, the main differences and effects of the embodiments of the present invention are as follows:

In the embodiment of the present invention, the relay base station splits the data into data of two sets of wireless and wired transmission queues according to a preset matching rule, and transmits the data through the wireless transmission link and the wired transmission link respectively after the identification. It can simultaneously transmit data using wired and wireless transmission links, improving resource utilization.

DRAWINGS

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings to be used in the embodiments or the prior art description will be briefly described below. Obviously, the drawings in the following description are only some of the embodiments of the present invention, and those skilled in the art can obtain other drawings based on these drawings without any inventive labor. 1 is a schematic structural diagram of a communication system using a relay base station in the prior art;

2 is a schematic flowchart of a data transmission method according to an embodiment of the present invention; 3 is a schematic flowchart of a data transmission method according to another embodiment of the present invention; FIG. 4 is a schematic structural diagram of a data transmission device according to an embodiment of the present invention;

FIG. 5 is a schematic structural diagram of a data transmission device according to another embodiment of the present invention; FIG.

6 is a schematic structural diagram of a first embodiment of a data transmission system according to an embodiment of the present invention;

7 is a schematic structural diagram of a second scheme of a data transmission system according to an embodiment of the present invention;

FIG. 8 is a schematic structural diagram of a third embodiment of a data transmission system according to an embodiment of the present invention.

The technical solutions in the embodiments of the present invention are clearly and completely described in the following with reference to the accompanying drawings in the embodiments of the present invention. It is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. example. All other embodiments obtained by a person of ordinary skill in the art based on the embodiments of the present invention without creative efforts are within the scope of the present invention.

1 is a schematic structural diagram of a communication system using a relay base station in the prior art. As shown in FIG. 1, a user equipment UE is wirelessly connected to an RB, and a wireless connection is also between the RB and the DB, and a cable between the DB and the gateway of the core network is wired. connection. In the data uplink phase, the UE sends the uplink data to the RB, and the RB transmits the received uplink data of the UE to the DB through the wireless transmission resource, and the DB forwards the received RB data to the core network gateway in the downlink phase of the data. The core network gateway sends the downlink data to the DB, and the DB then sends the data to the RB, and the RB finally transmits the downlink data to the UE. In FIG. 1, a wireless connection is used between the relay base station and the host base station, that is, data is transmitted between the two through the wireless transmission resource. When the bandwidth of the part of the transmission resource needs to be expanded, only the wireless transmission resource can be used for expansion. However, cable resources cannot be used for capacity expansion, which has caused restrictions on capacity expansion and also affected the utilization of existing wired transmission resources.

The above described objects, features and advantages of the embodiments of the present invention will become more apparent and understood. The embodiments of the present invention can be applied to an LTE system. FIG. 2 is a schematic flowchart of a data transmission method according to an embodiment of the present invention. As shown in FIG. 2, the data transmission method of the present invention includes the following steps: Step 210: A relay base station splits data to be transmitted into data of a wired transmission queue and data of a wireless transmission queue;

In this step, the relay base station may split the data to be transmitted into the data of the wired transmission queue and the data of the wireless transmission queue according to the preset transmission data characteristics and the matching rule of the transmission link, so as to The data and data of the wireless transmission queue are transmitted from the wireless transmission link and the wired transmission link, respectively.

Since the wireless transmission link and the wired transmission link have their own characteristics, when the data to be transmitted is split, the characteristics of the transmission data and the matching rule of the transmission link may be characteristics and transmission chains of the data to be transmitted. The rules of the road match the rules. The corresponding splitting method may be to split the data into the data of the wired transmission queue and the data of the wireless transmission queue according to the characteristics of the two transmission links. For example, compared to wireless transmission links, wired transmission links are sometimes characterized by small delays and stable transmission performance. Therefore, it is possible to split the data to be transmitted in the data to be transmitted, which is required to have a small delay, and to have high signal stability requirements, and to split the data as the data of the wireless transmission queue. The foregoing description is for exemplifying. In the embodiment, when the data to be transmitted is split, the rule is that the data characteristics to be transmitted and the characteristics of the transmission link are matched, so that the transmission link can meet the requirements of data transmission, and The wired transmission link and the wireless transmission link are reasonably allocated, and are not limited to the matching method as described above. It can be appreciated that the above matching rules can be preset, and can be set by human or by program.

Step 220: The relay base station separately identifies data of the split wired transmission queue and data of the wireless transmission queue.

The number of data and wireless transmission queues that are split into wired transmission queues due to data to be transmitted According to this, it is possible to split a part of the original packet into the wired transmission queue and another part to be split into the wireless transmission queue. In this step, the split data is identified to distinguish the data to be transmitted, so that the receiving end can restore the data combination of the two sets of queues to the original data according to the identifier. The identification method used may be based on the flag information of the data to be transmitted, or the logical port number on the data transmission link to be transmitted, or according to the source of the data to be transmitted (such as the source node), the destination node to be transmitted, and the like. . When the identification is specifically performed, the same identifier may be assigned to the data having the same feature according to the method of the identification. For example, the data packet is identified, and each data packet is numbered. When the data in the data packet to be transmitted is divided into the data of the wireless transmission queue and the data of the wired transmission queue, the split data also carries the data. The identification of the packet, so that after the node receiving the data receives the data, the split data combination can be restored to the original data packet according to the identification of the data after the split.

Step 230: The relay base station transmits the identified data through the wireless and wired transmission links respectively.

In this step, the relay base station transmits the data of the identified wired transmission queue to the network node having the wired transmission link with the relay base station through the wired transmission link, and also passes the data of the identified wireless transmission queue. The wireless transmission link is transmitted to a network node having a wireless transmission link with the relay base station. It can be understood that whether the data of the wired transmission queue is transmitted to the network node having the wired transmission link with the relay base station through the wired transmission link, or the data of the wireless transmission queue is transmitted to and through the wireless transmission link. The relay base station has a network node of a wireless transmission link, and can control the transmission order of the data packets according to the prior art method.

In this embodiment, the relay base station splits the data to be transmitted into the data of the wired transmission queue and the data of the wireless transmission queue according to a preset matching rule, and identifies the data, and then transmits the split data through the wired transmission link and the wireless transmission respectively. The link is transmitted to the network node, which can not only transmit by using the wired transmission link and the wireless transmission link at the same time, but also can transmit data characteristics and The transmission link is matched to improve the utilization efficiency of the transmission resources. FIG. 3 is a schematic flowchart of a data transmission method according to another embodiment of the present invention. As shown in FIG. 3, the data transmission method of the present invention includes the following steps:

Step 310: The relay base station determines whether the bandwidth required to be transmitted by the data is greater than the bandwidth of the wired transmission link.

In this step, the relay base station determines whether the bandwidth required for the data to be transmitted is greater than the width of the wired transmission link. It can be appreciated that the bandwidth of the wired transmission link refers to the relay base station and the required The bandwidth of the wired transmission link between the network nodes that relay the base station to transmit data. If the result of the judgment is that the bandwidth to be transmitted is greater than the bandwidth of the wired communication link, step 320 is performed. If the result of the determination is that the bandwidth required for the data to be transmitted is less than the bandwidth of the wired communication link, the step is performed. 350;

Step 320: The relay base station splits the data to be transmitted into data of the wired transmission queue and data of the wireless transmission queue.

For the specific splitting method, refer to step 210 of the previous embodiment.

Step 330: The relay base station separately identifies data of the split wired transmission queue and data of the wireless transmission queue.

For the specific splitting method, refer to step 220 of the previous embodiment.

Step 340: The relay base station transmits the identified data through the wireless and wired transmission links respectively.

For the specific splitting method, refer to step 230 of the previous embodiment.

Step 350: The relay base station transmits the data to be transmitted to the corresponding network node by using a wired transmission link.

It can be understood that if the required bandwidth of the data to be transmitted is smaller than the bandwidth of the wired transmission link between the relay base station and the network node, it indicates that all data to be transmitted can be transmitted from the cable. Transmission in the transmission link. Due to the comparison with the wireless transmission link, the wired transmission link has the advantages of small delay and stable performance. Therefore, under the premise of having sufficient wired transmission link resources, all data to be transmitted can be transmitted to and through the wired transmission link. The relay base station has a network node linked by a wired network. Therefore, in a case where the bandwidth required to be transmitted data is smaller than the bandwidth of the wired communication link, the relay base station transmits the data to be transmitted through the wired transmission link to the network node having the wired transmission link with the relay base station. In addition, in this embodiment, the step of forming data to be transmitted may also be included. It can be understood that the data to be transmitted by the relay base station may be that the relay base station receives the uplink data sent by the UE, and may also be the data to be transmitted generated by the relay base station itself. The data to be transmitted may be data transmitted from another transmission node received by the relay base station, or may be data generated by the relay base station itself; or the data to be transmitted may be voice service data or signaling data. Alternatively, the data to be transmitted may be data with a higher priority level and data with a lower priority level; or the data to be transmitted may be data with high quality of service (QoS) requirements, or low QoS requirements. The data. Correspondingly, before step 310 in this embodiment, one or a combination of the following steps may also be included:

Step a: The relay base station receives the uplink data sent by the UE, and uses the received data as the data to be transmitted.

When the UE sends the data to the relay base station and forwards the data to the base station via the relay base station, the relay base station receives the uplink data sent by the UE as the data to be transmitted of the relay base station.

Step b: The relay base station itself generates data to be transmitted.

The relay base station itself may have information to be transmitted to the core network or other base stations, which may also be the data to be transmitted of the relay base station.

It can be appreciated that the relay base station can generate data to be transmitted by using the above two steps, or a combination of the above two steps. In this embodiment, when the network node that has the wired transmission link and the wireless transmission link with the relay base station is the host base station, the method in this embodiment may further include: when the relay base station is established, the relay base station is A wired transmission link and a wireless transmission link are simultaneously established between the host base stations.

When the network node having the wired transmission link with the relay base station is the core network node, and the network node having the wireless transmission link with the relay base station is the host base station, the method in this embodiment may further include: when the relay base station is established A wired transmission link is established between the relay base station and the core network node, and a wireless transmission link is established between the relay base station and the host base station.

When the network node having the wired transmission link and the wireless transmission link with the relay base station is the host base station, and the core network node and the relay base station also have a wired transmission link, the method in this embodiment may further include: When establishing, a wired transmission link and a wireless transmission link are established between the relay base station and the host base station, and a wired transmission link is established between the relay base station and the core network node.

It can be understood that the above-mentioned establishment of the relay base station and the host base station and the wired transmission link between the relay base station and the core network node can utilize the existing wired resources. In addition, the following steps may be further included in the embodiment: the relay base station acquires a preset transmission data characteristic and a matching rule of the transmission link;

The relay base station can acquire the matching rule from a module or device that stores the matching rule.

In this embodiment, the preset transmission data characteristics and the matching rule of the transmission link may be:

The wired transmission link and the wireless transmission link are distinguished according to the user priority of the data to be transmitted. For example, the data to be transmitted with a high user priority uses a wired transmission link, and the data to be transmitted with a lower priority of the user uses a wireless transmission link. It is also possible to pre-set a threshold for the user priority, and the data to be transmitted whose user priority is higher than the threshold uses a wired transmission link, which is lower than the gate. The limited data to be transmitted uses a wireless transmission link.

The preset transmission data characteristics and the matching rule of the transmission link may also be: Differentiating the use of the wired transmission link and the wireless transmission link according to the QoS requirements of the data to be transmitted. For example, the data to be transmitted whose QoS is higher than the preset threshold uses a wired transmission link, and the data to be transmitted whose QoS is lower than the preset threshold uses the wireless transmission link.

The preset transmission data characteristics and the matching rule of the transmission link may also be: Differentiating the use of the wired transmission link and the wireless transmission link according to the type of service of the data to be transmitted. For example, voice services with high latency requirements or signaling data with high reliability requirements are transmitted over a wired transmission link, while data and other services that do not require high latency are transmitted over a wireless transmission link.

In this embodiment, it may be first determined whether the wired transmission link resource is sufficient. When the wired transmission link resource is sufficient to transmit the data to be transmitted, the data to be transmitted is transmitted from the wired transmission link, and the wired transmission link resource is insufficiently transmitted. When data is transmitted, the data to be transmitted is split, and the split data is transmitted from the wireless transmission link and the wired transmission link according to a preset matching rule. In this embodiment, the wired transmission link is utilized as much as possible, thereby maximally ensuring the transmission quality of the data to be transmitted. In addition, the relay base station uses the uplink data received from the UE and the data generated by itself as data to be transmitted, so that both types of data can utilize both wired and wireless transmission links. In addition, when establishing a relay base station, the existing transmission link resources are fully utilized to establish a transmission link between the relay base station and other network nodes, so that the existing transmission link resources can be utilized to the maximum extent. Finally, the relay base station acquires a preset transmission data characteristic and a matching rule of the transmission link, and uses the matching rule to split the data to be transmitted, so that the transmission link can meet various types of data to be transmitted. FIG. 4 is a schematic structural diagram of a data transmission device according to an embodiment of the present invention. As shown in FIG. 4, the data transmission device provided by the embodiment of the present invention includes: a split module 401, an identifier module 402, Sending module 403, where:

a splitting module 401, configured to split data to be transmitted into data of a wired transmission queue and data of a wireless transmission queue according to a preset transmission data characteristic and a matching rule of a transmission link;

According to the preset transmission data characteristics and the matching rule of the transmission link, the data to be transmitted is split into the data of the wired transmission queue and the data of the wireless transmission queue, so as to separate the data of the wired transmission queue and the data of the wireless transmission queue respectively. Wireless transmission link and wired transmission link transmission. For details, refer to step 210 in the method embodiment.

The identifier module 402 is configured to separately identify data of the split wired transmission queue and data of the wireless transmission queue;

The identification module identifies the split data to distinguish the data to be transmitted, so that the receiving end restores the data combination of the two sets of queues to the original data to be transmitted according to the identifier. The identification method used may be based on the flag information carried by the data to be transmitted, or the logical port number on the data transmission link to be transmitted, or according to the source of the data to be transmitted, the destination node to be transmitted, and the like.

The sending module 403 is configured to transmit the identified data through the wireless and wired transmission links respectively.

The sending module is configured to transmit the data of the identified wired transmission queue to the network node having the wired transmission link with the device through the wired transmission link, and transmit the data of the identified wireless transmission queue to the wireless transmission link to the A network node with a device that has a wireless transmission link.

In this embodiment, the device may be a relay base station, where the splitting module, the identity module, and the sending module may be configured as part of the relay base station and configured in the relay base station.

In this embodiment, the splitting module splits the data to be transmitted into the data of the wired transmission queue and the data of the wireless transmission queue according to a preset matching rule, and the identification module inputs the split data into the data. Line identification, the sending module transmits the split data to the network node through the wired transmission link and the wireless transmission link respectively, and can not only transmit by using the wired transmission link and the wireless transmission link at the same time, but also can transmit and transmit data characteristics and transmission. The links are matched to improve the utilization efficiency of transmission resources. FIG. 5 is a schematic structural diagram of a data transmission device according to another embodiment of the present invention. As shown in FIG. 5, a data transmission device according to an embodiment of the present invention includes: a split module 501, an identity module 502, and a sending module 503, which are specific to For the function, refer to the previous embodiment, and further include a determining module 504, a triggering module 505, where:

The determining module 504 is configured to determine whether the bandwidth required to be transmitted by the data is greater than the bandwidth of the wired transmission link. The judging module compares the bandwidth of the data to be transmitted with the bandwidth of the wired transmission link. If the bandwidth of the data to be transmitted is greater than the bandwidth of the wired transmission link, it is required to simultaneously transmit the data to be transmitted by using the wireless transmission link and the wired transmission link.

The triggering module 505, if the judgment result of the determining module is yes, triggers the splitting module to split the data to be transmitted. If the judgment result of the judging module is no, the triggering module 505 triggers the sending module 503 to transmit the data to be transmitted to the corresponding network node through the wired transmission link. In addition, in this embodiment, the device may further include one or a combination of the following modules: The first receiving module is configured to receive uplink data sent by the UE, and use the received data as data to be transmitted. When the UE sends the data to the device and forwards the data to the host base station, the first receiving data generating module is configured to generate data to be transmitted, and the information in the device needs to be transmitted to the core network node or other base station, and the data also becomes the device. Data to be transmitted. The data generation module forms data to be transmitted in the device that needs to be transmitted by itself. It can be understood that the data that the device needs to transmit can include both the data received by the first receiving module and the data generated by the data generating module. In this embodiment, an acquisition module may be further included, configured to acquire a preset transmission data characteristic and a matching rule of the transmission link. It can be understood that the matching rule can be stored in the storage device, and the obtaining module can obtain the matching rule from the storage device. The storage device may be independent of the device of the embodiment, or may be integrated. The matching rule is stored in a storage device other than the device in this embodiment, and the acquiring module acquires a preset transmission data characteristic and a matching rule of the transmission link from outside the device. When the matching rule is stored in the storage device of the device in this embodiment, the obtaining module acquires the matching rule from the storage module in the device.

The transmission data characteristic and the matching rule of the transmission link obtained in this embodiment may be: distinguishing between using a wired transmission link and a wireless transmission link according to a user priority of the data to be transmitted; or, according to a service quality requirement of the data to be transmitted QoS, which uses a wired transmission link and a wireless transmission link; or, depending on the type of service of the data to be transmitted, distinguishes between a wired transmission link and a wireless transmission link. For specific rules, refer to the mode embodiment. In this embodiment, the method may further include:

a second receiving module, configured to receive data transmitted by a network node having a wired transmission link with the device through a wired transmission link, and to receive a network node having a wireless transmission link with the device and transmitted through the wireless transmission link data.

It can be understood that the device in this embodiment needs to receive data transmitted by other network nodes, including data transmitted by other network nodes from the wired transmission link and the wireless transmission link. The second receiving module is configured to receive data transmitted from another network node, including receiving data transmitted by the network node having a wired transmission link between the device of the embodiment and the network transmission link, and Data transmitted by the network node having the wireless transmission link between the device of the embodiment via the wireless transmission link is received.

And a data combination module, configured to combine data received by the second receiving module through the wired transmission link and data received through the wireless transmission link. It can be understood that the data combination module needs to adopt a method corresponding to the method of splitting the data by the split module when combining the data. Since the identification module identifies the data after the split, the data combination module combines the data according to the identification of the data.

For example, the identification module identifies the data packet, and identifies each data packet. When the split module divides the data in the data packet to be transmitted into the data of the wireless transmission queue and the data of the wired transmission queue, the data is split. It also carries the identity of the packet. Therefore, after the second receiving module receives the data, the data combining module can restore the split data combination to the original data packet according to the identifier of the data after being split. In addition, in this embodiment, the device may further include:

When the network node that has the wired transmission link and the wireless transmission link is the host base station, the device further includes: a first establishing module, configured to establish a wired transmission link between the device and the host base station when the device is established, and Wireless transmission link; or,

When the network node with the wired transmission link of the device is the core network node, and the network node with the wireless transmission link of the device is the host base station, the device further includes: a second establishing module, configured to be used when the device is established, Establishing a wired transmission link between the core network nodes, establishing a wireless transmission link between the device and the host base station; or

When the network node that has the wired transmission link and the wireless transmission link with the device is the host base station, and the core network node and the device have the wired transmission link, the device further includes: a third establishing module, when the device is established, A wired transmission link and a wireless transmission link are established between the device and the host base station, and a wired transmission link is established between the device and the core network node. In this embodiment, the determining module determines whether the wired transmission link resource is sufficient. When the wired transmission link resource is sufficient to transmit the data to be transmitted, the data to be transmitted is transmitted from the wired transmission link, and the wired transmission link resource is insufficiently transmitted. When the data is transmitted, the triggering module triggers the splitting module to split the data to be transmitted. In this embodiment, the wired transmission link is utilized as much as possible, thereby ensuring the transmission quality of the data to be transmitted to the greatest extent. In addition, the first receiving module uses the uplink data received by the UE and the data generated by itself as the data to be transmitted, so that both data can be simultaneously transmitted by using the wired and wireless transmission links. In addition, when the device is established, the first establishing module, the second establishing module, and the third establishing module fully utilize the existing transmission link resources to establish a transmission link between the device and other network nodes, so that the existing transmission chain can be Road resources are used to the maximum. The obtaining module acquires a preset transmission data characteristic and a matching rule of the transmission link, and uses the matching rule to split the data to be transmitted, so that the transmission link can meet various types of data to be transmitted. The second receiving module is configured to receive data transmitted by the other network node through the wireless transmission link and the wired transmission link, and the data combination module combines the data received by the second receiving module according to the identifier of the identification module, so that the data is received from different links. The data can be combined and restored. An embodiment of the present invention provides a data transmission system, including the foregoing data transmission device. Another embodiment of the present invention provides a data transmission system, including the foregoing data transmission device, where the data transmission device is a relay base station. The system can also include a donor base station, or a donor base station and a core network node. Correspondingly, the specific implementation of the system may include the following solutions:

FIG. 6 is a schematic structural diagram of a first embodiment of a data transmission system according to an embodiment of the present invention. As shown in FIG. 6, the data transmission system of the embodiment of the present invention includes a relay base station RB in addition to the relay base station RB. A host base station DB having a wired transmission link and a wireless transmission link, and a core network node gateway (GW, Gate Way) having a wired transmission link with the host base station.

The host base station includes: a first receiving module, configured to receive data of a wired transmission queue transmitted by the relay base station through the wired transmission link, and receive data of the wireless transmission queue transmitted by the relay base station by using the wireless transmission link; A data combination module, configured to combine data of a wired transmission queue transmitted through a wired transmission link and data of a wireless transmission queue transmitted through a wireless transmission link according to the identification.

Option II:

FIG. 7 is a schematic structural diagram of a second embodiment of a data transmission system according to an embodiment of the present invention. As shown in FIG. 7, in addition to the relay base station RB, the data transmission system of the embodiment of the present invention further includes: a host having a wireless transmission link with the relay base station RB. The base station DB has a core network node GW with a wired transmission link with the donor base station DB, and the core network node GW and the relay base station RB have a wired transmission link.

The host base station includes: a second receiving module, configured to receive data of a wireless transmission queue transmitted by the relay base station through the wireless transmission link; and a first sending module, configured to transmit data received by the second receiving module to the core through the wired line Network node.

The core network node includes: a third receiving module, configured to receive data transmitted by the host base station through the wired transmission link, and receive data transmitted by the relay base station through the wired transmission link; and a second data combination module, configured to combine the host according to the identifier The data transmitted by the base station and the relay base station through the wired transmission link, respectively.

third solution:

FIG. 8 is a schematic structural diagram of a third embodiment of a data transmission system according to an embodiment of the present invention. As shown in FIG. 8 , in addition to the relay base station RB, the data transmission system in the embodiment of the present invention further includes: a wired transmission link and a wireless connection with the relay base station RB. a host base station DB of the transmission link, a core network node GW having a wired transmission link with the donor base station DB, a core network node GW and a relay base station RB Has a wired transmission link.

The host base station includes: a fourth receiving module, configured to receive data of a wired transmission queue transmitted by the relay base station through the wired transmission link, and receive data of the wireless transmission queue transmitted by the relay base station through the wireless transmission link. And a third data combination module, configured to combine data of the wired transmission queue transmitted through the wired transmission link according to the identification and data of the wireless transmission queue transmitted through the wireless transmission link. And a second sending module, configured to transmit data formed by combining the third data combining modules to the core network node by using a wired transmission link.

The core network node includes: a fifth receiving module, configured to receive data transmitted by the host base station through the wired transmission link, and receive data transmitted by the relay base station through the wired transmission link; and a fourth data combination module, configured to combine the host according to the identifier The data transmitted by the base station and the relay base station through the wired transmission link, respectively.

It can be appreciated that in a data transmission system, more different data transmission nodes can also be included. When there are both a wireless transmission link and a wired transmission link between different network nodes, the data transmission method between the different network nodes is similar. The embodiment described above is for specific explanation, and is not intended to limit the system to the network node as described above.

In addition, it can be understood that the processes of data uplink and downlink are corresponding. For the same network node, when receiving uplink data, it needs to receive data transmitted by the wireless transmission link and data transmitted by the wired transmission link, and combine the data, and when transmitting the uplink data to other network nodes, the data to be transmitted needs to be transmitted. Splitting is performed, and the split data is transmitted separately through the wireless transmission link and the wired transmission link. When the node receives the downlink data and sends the downlink data to other network nodes, the operations performed are corresponding, and are not described here.

The data transmission system of the embodiment includes a wireless communication link and a wired communication link between the network nodes of the system, and can selectively use the wireless communication link and the wired communication link to transmit data when transmitting data, and increase available The bandwidth of the resource, using existing transmission resources At the same time, it can utilize more transmission resources. It should be noted that the order of the embodiments is only used for convenience of description, and is not used as a basis for comparison between the embodiments. A person skilled in the art can clearly understand that, for the convenience and brevity of the description, the specific working processes of the system, the device, the module and the unit described above may refer to the corresponding processes in the foregoing method embodiments, and details are not described herein again. Through the description of the above embodiments, those skilled in the art can clearly understand that the present invention can be implemented by means of software plus a necessary general hardware platform, and of course, can also be through hardware, but in many cases, the former is a better implementation. the way. Based on such understanding, the technical solution of the present invention, which is essential or contributes to the prior art, may be embodied in the form of a software product stored in a storage medium, including a plurality of instructions for making a A computer device (which may be a personal computer, server, or network device, etc.) performs all or part of the steps of the methods described in various embodiments of the present invention. The foregoing storage medium includes:

A medium that can store program code, such as a USB flash drive, a removable hard disk, a read only memory (ROM), a random access memory (RAM), a magnetic disk, or an optical disk. In the several embodiments provided in the present application, it should be understood that the disclosed systems, devices, and methods may be implemented in other manners without departing from the scope of the present application. For example, the device embodiments described above are merely illustrative. For example, the division of the modules or units is only a logical function division. In actual implementation, there may be another division manner, for example, multiple units or components may be used. Combined or can be integrated into another system, or some features can be ignored, or not executed. The units described as separate components may or may not be physically separated, and the components displayed as the units may or may not be physical units, that is, may be located in one place, or may be distributed to multiple network units. . Some or all of the modules may be selected according to actual needs to achieve the purpose of the solution of the embodiment. General skill in the art The technician can understand and implement without creative work.

In addition, the described systems, devices, and methods, and the schematic diagrams of various embodiments, may be combined or integrated with other systems, modules, techniques or methods without departing from the scope of the present application. In addition, the mutual coupling or direct coupling or communication connection shown or discussed may be an indirect coupling or communication connection through some interface, device or unit, and may be in electronic, mechanical or other form.

The above is only the specific embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can easily think of changes or substitutions within the technical scope of the present invention. It should be covered by the scope of the present invention. Therefore, the scope of protection of the present invention should be determined by the scope of the claims.

Claims

Rights request

A data transmission method, comprising:

The relay base station splits the data to be transmitted into the data of the wired transmission queue and the data of the wireless transmission queue according to the preset transmission data characteristics and the matching rule of the transmission link;

The relay base station separately identifies data of the split wired transmission queue and data of the wireless transmission queue;

The relay base station transmits the identified data of the wired transmission queue to a network node having a wired transmission link with the relay base station through a wired transmission link, and the identified wireless transmission queue The data is transmitted over a wireless transmission link to a network node having a wireless transmission link with the relay base station.

The method according to claim 1, wherein the method further comprises: receiving, by the relay base station, uplink data sent by the user equipment UE, and using the received data as data to be transmitted; or/and

The method further includes: the relay base station itself generates data to be transmitted.

The method according to claim 1 or 2, wherein the method further comprises: determining, by the relay base station, whether a bandwidth required to be used for the data to be transmitted is greater than a bandwidth of the wired transmission link;

If the result of the determination is that the bandwidth required to be transmitted by the data to be transmitted is greater than the bandwidth of the wired communication link, the step of splitting is performed.

The method according to any one of claims 1 to 3, wherein the network node having the wired transmission link and the wireless transmission link with the relay base station is a host base station, the method further comprising: When the relay base station is established, the wired transmission link and the wireless transmission link are established between the relay base station and the host base station; or

A network node having a wired transmission link with the relay base station is a core network node, and a network node having a wireless transmission link with the relay base station is a host base station, and the method further includes: Establishing, by the relay base station, the wired transmission link between the relay base station and the core network node, and establishing the wireless transmission link between the relay base station and the host base station; or,

a network node having a wired transmission link and a wireless transmission link with the relay base station is a host base station, and the core network node and the relay base station also have a wired transmission link, the method further comprising: When the relay base station is established, the wired transmission link and the wireless transmission link are established between the relay base station and the host base station, and the wired transmission chain is established between the relay base station and the core network node. road.

The method according to any one of claims 1 to 4, wherein the method further comprises: the relay base station acquiring the preset transmission data characteristic and a matching rule of a transmission link.

The method according to any one of claims 1 to 5, wherein the predetermined transmission data characteristic and the matching rule of the transmission link are:

Differentiating between the use of the wired transmission link and the wireless transmission link according to the user priority of the data to be transmitted; or

Depending on the quality of service requirements of the data to be transmitted, QoS is used to distinguish between wired transmission links and wireless transmission links; or,

The wired transmission link and the wireless transmission link are distinguished according to the type of service of the data to be transmitted.

The method according to any one of claims 1 to 6, wherein the relay base station separately identifies the data of the split wired transmission queue and the data of the wireless transmission queue, and specifically includes:

Identifying according to the flag information of the data to be transmitted, and assigning the same identifier to the data to be transmitted having the same self-marking information; or

According to the logical port number on the data transmission link to be transmitted, the pair has the same logic The data to be transmitted of the port number is assigned the same identifier; or

According to the source of the data to be transmitted, the same identifier is assigned to the data to be transmitted having the same source; or

The target node sent according to the data to be transmitted is identified, and the same identifier is assigned to the data to be transmitted having the same target node.

Each packet is numbered and identified for the data packet to be transmitted.

9. A data transmission device, comprising:

a splitting module, configured to split data to be transmitted into data of a wired transmission queue and data of a wireless transmission queue according to a preset transmission data characteristic and a matching rule of a transmission link; and an identification module, configured to split the data The data of the wired transmission queue and the data of the wireless transmission queue are respectively identified;

a sending module, configured to transmit, by using a wired transmission link, the data of the identified wired transmission queue to a network node having a wired transmission link with the device, and data of the identified wireless transmission queue, Transmission over a wireless transmission link to a network node having a wireless transmission link with the device.

10. The device according to claim 9, further comprising:

a first receiving module, configured to receive uplink data sent by the user equipment UE, and use the received data as data to be transmitted; or/and

A data generating module, configured to generate data to be transmitted.

The device according to claim 9 or 10, further comprising: a determining module, configured to determine whether a bandwidth required to be used for the data to be transmitted is greater than a bandwidth of the wired transmission link; The triggering module, if the judgment result of the determining module is yes, triggering the splitting module to split the data to be transmitted.

The device according to any one of claims 9 to 11, wherein the network node having the wired transmission link and the wireless transmission link with the device is a host base station, and the device further includes: a module, configured to establish the wired transmission link and a wireless transmission link between the device and the host base station when the device is established; or

A network node having a wired transmission link with the device is a core network node, and a network node having a wireless transmission link with the device is a host base station, the device further comprising: a second establishing module, configured to be in the device Establishing, establishing the wired transmission link between the device and the core network node, establishing the wireless transmission link between the device and the host base station; or

The network node having the wired transmission link and the wireless transmission link with the device is a host base station, and the core network node and the device have a wired transmission link, and the device further includes: a third establishing module, configured to When the device is established, the wired transmission link and the wireless transmission link are established between the device and the host base station, and the wired transmission link is established between the device and the core network node.

The device according to any one of claims 9 to 12, further comprising: an obtaining module, configured to acquire the preset transmission data characteristic and a matching rule of a transmission link, the matching rule For:

The device according to any one of claims 9 to 13, further comprising: a second receiving module, configured to receive a network node having a wired transmission link with the device through a wired transmission link Data transmitted, and data transmitted by a network node having a wireless transmission link with the device over a wireless transmission link;

And a data combination module, configured to combine data received by the second receiving module through the wired transmission link and data received through the wireless transmission link.

The device according to any one of claims 9 to 14, wherein the identification module is further configured to:

According to the logical port number on the data transmission link to be transmitted, the same identifier is assigned to the data to be transmitted having the same logical port number; or

The device according to any one of claims 9 to 14, wherein the identification module is further configured to: number and identify each data packet for the data packet of the data to be transmitted.

A data transmission system, comprising: the apparatus according to any one of claims 9 to 16.

18. The system of claim 17, wherein the device is a relay base station,

The system further includes: a host base station having a wired transmission link and a wireless transmission link with the relay base station, where the host base station includes: a first receiving module, configured to receive the relay base station by using a wired transmission Data transmitted by the wired transmission queue of the link, and the receiving station a module, configured to combine data of the wired transmission queue transmitted through the wired transmission link and data of the wireless transmission queue transmitted through the wireless transmission link according to the identifier;

Or

The system further includes: a host base station having a wireless transmission link with the relay base station, and a core network node having a wired transmission link with the host base station, the core network node and the relay base station having wired transmission a link, where the host base station includes: a second receiving module, configured to receive data of a wireless transmission queue that is transmitted by the relay base station by using a wireless transmission link; and a first sending module, configured to: The data received by the module is transmitted to the core network node by using a wired line; the core network node includes: a third receiving module, configured to receive data transmitted by the host base station through a wired transmission link, and receive the relay The data transmitted by the base station through the wired transmission link; the second data combination module is configured to combine the data transmitted by the host base station and the relay base station respectively through the wired transmission link according to the identifier;

Or

The system further includes: a host base station having a wired transmission link and a wireless transmission link with the relay base station, and a core network node having a wired transmission link with the host base station, the core network node and the middle The base station has a wired transmission link; the host base station includes: a fourth receiving module, configured to receive data of a wired transmission queue transmitted by the relay base station through a wired transmission link, and receive the relay base station to transmit wirelessly The data of the wireless transmission queue transmitted by the link; the third data combination module, configured to combine the data of the wired transmission queue transmitted through the wired transmission link and the data of the wireless transmission queue transmitted through the wireless transmission link according to the identifier a second sending module, configured to transmit data formed by combining the third data combining modules to a core network node by using a wired transmission link; the core network node further comprising: a fifth receiving module, configured to receive the host Number of base stations transmitted over a wired transmission link And receiving data transmitted by the relay base station through a wired transmission link; and a fourth data combination module, configured to combine data transmitted by the host base station and the relay base station respectively through a wired transmission link according to the identifier .