WO2017091968A1

WO2017091968A1 - Wireless communication method and apparatus

Info

Publication number: WO2017091968A1
Application number: PCT/CN2015/096089
Authority: WO
Inventors: 蔺波
Original assignee: 华为技术有限公司
Priority date: 2015-12-01
Filing date: 2015-12-01
Publication date: 2017-06-08
Also published as: CN111049626B; CN111049626A; CN107683578B; CN107683578A

Abstract

Provided are a wireless communication method and apparatus. The method is executed in a communication system comprising at least two network devices. The method comprises: a first network device receiving indication information about a first parameter set, wherein the first parameter set at least comprises a parameter of the MAC layer, and the parameter of the MAC layer at least comprises a hybrid automatic repeat request process identifier (HARQ process ID); the first network device receiving a first data packet; the first network device processing the first data packet by means of the first protocol layer set and according to the first parameter set so as to generate a second data packet, wherein the HARQ process ID of the second data packet is the same as or different from the HARQ process ID of a third data packet generated by a second network device; and the first network device sending the second data packet to a terminal device. Accordingly, the reliability and accuracy of wireless communication can be improved.

Description

Method and device for wireless communication

Technical field

The present invention relates to the field of communications and, more particularly, to a method and apparatus for wireless communication.

Background technique

Currently, a wireless communication technology is known in which two or more network devices are capable of processing data through a protocol layer stack having the same radio resource specific configuration (eg, a preconfigurable static configuration) (eg, Encapsulating processing, etc.), and transmitting to the same terminal device, so that the terminal device can acquire data sent by the two or more protocol stacks through a protocol stack corresponding to the protocol layer set, and, due to each network The radio resource dedicated configuration of the protocol layer stack of the device is the same. Therefore, the terminal device does not need to distinguish the network device from which the data comes from, that is, the data may be from the same network device by default, thereby being able to perform additional processing without the terminal device. Data is transmitted through multiple network devices to reduce the burden on network devices.

However, the above-mentioned protocol stack includes a medium access control (MAC) layer, which may be used to perform, for example, hybrid automatic repeat request (HARQ) processing, where the network device performs HARQ processing on the data using the MAC. The hybrid automatic repeat request process identifier (HARQ process ID) is required to be dynamically affected by the objective conditions such as the channel quality and the number of retransmissions. The HARQ process ID used by the network device changes dynamically, that is, The hybrid automatic repeat request process (HARQ process) is dynamically changed.

Therefore, for example, two network devices (hereinafter, for ease of understanding and distinction, referred to as network device #A and network device #B) use the same HARQ process pair (that is, the same HARQ process ID) (same or different) The data is processed and sent to the terminal device, so that the terminal device performs HARQ processing for the network device #B through the HARQ process while performing HARQ processing for the network device #A through the HARQ process, and the network device #A may appear. The related signaling (for example, feedback information, etc.) that the terminal device needs to transmit to the network device #B is mistaken for the terminal device to send to the network device #A, thereby causing a transmission error, which seriously affects the reliability of the wireless communication. Sex and accuracy.

Summary of the invention

The present invention provides a method and apparatus for wireless communication that can improve the reliability and accuracy of wireless communication.

In a first aspect, a method of wireless communication is provided, implemented in a communication system including at least two network devices, wherein a first one of the at least two network devices is configured in the same frequency as the second network device, and The first network device and the second network device have a first protocol layer set, and the protocol layers included in the first protocol layer set are the same in a radio resource specific configuration in the first network device and the second network device, where The first set of protocol layers includes at least a media access control MAC layer and a physical PHY layer, and the method includes: the first network device receiving indication information of the first parameter set, where the first parameter set includes at least parameters of the MAC layer, where The parameter of the MAC layer includes at least a hybrid automatic repeat request process identifier HARQ process ID; the first network device receives the first data packet, where the first data packet is a data packet that is not processed by the first protocol layer set; The network device processes the first data packet to generate a second data packet by using the first protocol layer set according to the first parameter set, where the second data packet And the third data packet is generated by the second network device according to the first parameter set and the first protocol layer set and sent to the terminal device, where the HARQ process ID of the packet is the same as or different from the HARQ process ID of the third data packet. The data packet; the first network device sends the second data packet to the terminal device.

In a second aspect, a method of wireless communication is provided, implemented in a communication system including at least two network devices, wherein a first one of the at least two network devices is configured in the same frequency as the second network device, and The first network device and the second network device have a first protocol layer set, and the protocol layers included in the first protocol layer set are the same in a radio resource specific configuration in the first network device and the second network device, where The first protocol layer set includes at least a medium access control MAC layer and a physical PHY layer, the method includes: the second network device generates, according to the first parameter set and the first protocol layer set, and sends a third data packet to the terminal device; The second network device sends the indication information of the first parameter set to the first network device, where the first parameter set includes at least parameters of the MAC layer, and the parameters of the MAC layer at least include a hybrid automatic retransmission request process identifier HARQ process ID, so that the first network device processes the first data packet to generate by using the first protocol layer set according to the first parameter set. Sending a second data packet to the terminal device, where the first data packet is a data packet that is not processed by the first protocol layer set, and the HARQ process ID of the second data packet and the HARQ process ID of the third data packet Same or different.

In a third aspect, a method for wireless communication is provided, the method includes: receiving, by a terminal device, indication information of a first time-frequency resource and indication information of a second time-frequency resource, where the first time-frequency resource And a second data packet sent by the first network device, where the second time-frequency resource is used to carry the third data packet sent by the second network device, where the second data packet is the first network device according to the first protocol layer. And generating, by the set, the first data packet, the third data packet is generated by the second network device processing the first data packet according to the first protocol layer set, and the sending time of the second data packet Same as the sending time of the third data packet, and the frequency domain resource block carrying the second data packet is the same as the frequency domain resource block carrying the third data packet, and the HARQ process ID and the third data of the second data packet The HARQ process ID of the packet is the same, and the protocol layer included in the first protocol layer set is the same as the radio resource dedicated configuration in the first network device and the second network device; the terminal device is configured according to the indication information of the first time-frequency resource. And the indication information of the second time-frequency resource, combining the second data packet and the third data packet.

In a fourth aspect, a device for wireless communication is provided, the device is configured in the same frequency as the second network device, and the device and the second network device have a first protocol layer set, and the first protocol layer set includes each protocol. The layer is the same as the radio resource-specific configuration in the device and the second network device, the first protocol layer set includes at least a media access control MAC layer and a physical PHY layer, and the device includes: a receiving unit, configured to receive the first parameter The indication information of the set and the first data packet, where the first parameter set includes at least parameters of the MAC layer, and the parameter of the MAC layer at least includes a hybrid automatic repeat request process identifier HARQ process ID, where the first data packet is not a data packet processed by the first protocol layer; a processing unit, configured to process, by using the first protocol layer set, the first data packet to generate a second data packet, where the second data packet is generated according to the first parameter set, where the second data packet The HARQ process ID of the data packet is the same as or different from the HARQ process ID of the third data packet, and the third data packet is the second network device according to the first parameter set and the first Generating a set of protocol layers of the terminal device sends a data packet; transmitting means for transmitting the second data packet to the terminal device.

A fifth aspect provides a device for wireless communication, where a first network device is configured in the same frequency as the device, and the first network device and the device have a first protocol layer set, and the first protocol layer set includes protocols The layer is the same in the first network device and the radio resource-specific configuration in the device, the first protocol layer set includes at least a media access control MAC layer and a physical PHY layer, the device includes: a processing unit, configured to use, according to the first parameter The set and the first protocol layer set generate a third data packet; the sending unit is configured to send the indication information of the first parameter set to the first network device, and send the third data packet to the terminal device, where the first parameter The set includes at least parameters of the MAC layer, where the parameters of the MAC layer include at least a hybrid automatic repeat request process identifier (HARQ process ID), so that the first network device passes the first protocol layer set according to the first parameter set, First number Processing, according to the packet, to generate and send a second data packet to the terminal device, where the first data packet is a data packet that is not processed by the first protocol layer set, and the HARQ process ID and the third data packet of the second data packet The HARQ process ID of the packet is the same or different.

According to a sixth aspect, a device for wireless communication is provided, the device includes: a receiving unit, configured to receive indication information of a first time-frequency resource and indication information of a second time-frequency resource, where the first time-frequency resource is used And carrying the second data packet sent by the first network device, where the second time-frequency resource is used to carry the third data packet sent by the second network device, where the second data packet is the first network device according to the first protocol layer set. Generating the first data packet, the third data packet is generated by the second network device processing the first data packet according to the first protocol layer set, and the sending time of the second data packet is The sending time of the third data packet is the same, and the frequency domain resource block carrying the second data packet is the same as the frequency domain resource block carrying the third data packet, and the HARQ process ID and the third data packet of the second data packet The HARQ process ID is the same, the protocol layer included in the first protocol layer set is the same as the radio resource dedicated configuration in the first network device and the second network device; and the processing unit is configured to use the first time The indication information of the frequency resource and the indication information of the second time-frequency resource are combined to process the second data packet and the third data packet. .

With reference to the first aspect, the second aspect, the fourth aspect, and the fifth aspect, in the first implementation, when the sending time of the second data packet is different from the sending time of the third data packet, the second data is The HARQ process ID of the packet is different from the HARQ process ID of the third data packet.

With reference to the first aspect, the second aspect, the fourth aspect, and the fifth aspect, and the foregoing implementation manner, in the second implementation manner, when the frequency domain resource block carrying the second data packet and the third data packet are carried When the frequency domain resource blocks are different, the HARQ process ID of the second data packet is different from the HARQ process ID of the third data packet.

With reference to the first aspect, the second aspect, the fourth aspect, and the fifth aspect, and the foregoing implementation manner, in the third implementation manner, when the data carried by the first data packet and the data carried by the fourth data packet are not Meanwhile, the HARQ process ID of the second data packet is different from the HARQ process ID of the third data packet.

With reference to the first aspect, the second aspect, the fourth aspect, and the fifth aspect, and the foregoing implementation manner, in the fourth implementation, the third data packet is specifically the second network device according to the first parameter set and the The first protocol layer sets the data packet generated by processing the first data packet, when the sending time of the second data packet is the same as the sending time of the third data packet, and the frequency domain resource carrying the second data packet is carried. When the block is the same as the frequency domain resource block carrying the third data packet, the second data packet is The HARQ process ID is the same as the HARQ process ID of the third data packet.

With reference to the first aspect, the second aspect, the fourth aspect, and the fifth aspect, and the foregoing implementation manner, in the fifth implementation manner of the second aspect, in the fourth implementation manner, the third data packet is specifically the a data packet generated by the second network device processing the first data packet according to the first parameter set and the first protocol layer set, where the first protocol layer set further includes a radio link control RLC layer, the first parameter The set further includes parameters of the RLC layer, the parameters of the RLC layer include at least an RLC layer sequence number, and the RLC layer sequence number of the second data packet is the same as the RLC layer sequence number of the third data packet.

A method and apparatus for wireless communication according to an embodiment of the present invention, by causing a first network device to acquire indication information indicating a first parameter set of a HARQ process ID, and performing processing based on the first parameter set to generate a second data packet, And the second network device is processed according to the first parameter set to generate the second data packet, and the correspondence between the HARQ process ID of the second data packet and the HARQ process ID of the third data packet is adjusted according to actual needs (same Or differently, thereby avoiding an error in the HARQ processing caused by an error in the correspondence between the HARQ process ID of the second data packet and the HARQ process ID of the third data packet, thereby improving the reliability and accuracy of the wireless communication. .

DRAWINGS

FIG. 1 is a schematic flowchart of a method of wireless communication according to an embodiment of the present invention.

2 is a schematic diagram showing an example of a communication system to which the method of wireless communication of the present invention is applied.

3 is a schematic diagram of data flow in an embodiment of the present invention.

4 is a schematic diagram of data flow in another embodiment of the present invention.

Fig. 5 is a schematic diagram showing another example of a communication system to which the method of wireless communication of the present invention is applied.

Figure 6 is a diagram showing the flow of data in accordance with still another embodiment of the present invention.

Figure 7 is a diagram showing the flow of data in accordance with still another embodiment of the present invention.

Figure 8 is a diagram showing the flow of data in accordance with still another embodiment of the present invention.

FIG. 9 is a schematic flowchart of a method of wireless communication according to another embodiment of the present invention.

FIG. 10 is a schematic flowchart of a method of wireless communication according to still another embodiment of the present invention.

11 is a schematic block diagram of an apparatus for wireless communication in accordance with an embodiment of the present invention.

FIG. 12 is a schematic block diagram of an apparatus for wireless communication according to another embodiment of the present invention.

FIG. 13 is a schematic block diagram of an apparatus for wireless communication according to still another embodiment of the present invention.

FIG. 14 is a schematic structural diagram of an apparatus for wireless communication according to an embodiment of the present invention.

FIG. 15 is a schematic structural diagram of an apparatus for wireless communication according to another embodiment of the present invention.

FIG. 16 is a schematic structural diagram of an apparatus for wireless communication according to still another embodiment of the present invention.

detailed description

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 a part of the embodiments of the present invention, but not all embodiments. All other embodiments obtained by those skilled in the art based on the embodiments of the present invention without creative efforts are within the scope of the present invention.

The terms "component," "module," "system," and the like, as used in this specification, are used to mean a computer-related entity, hardware, firmware, a combination of hardware and software, software, or software in execution. For example, a component can be, but is not limited to being, a process running on a processor, a processor, an object, an executable, a thread of execution, a program, and/or a computer. By way of illustration, both an application running on a computing device and a computing device can be a component. One or more components can reside within a process and/or execution thread, and the components can be located on one computer and/or distributed between two or more computers. Moreover, these components can execute from various computer readable media having various data structures stored thereon. A component may, for example, be based on signals having one or more data packets (eg, data from two components interacting with another component between the local system, the distributed system, and/or the network, such as the Internet interacting with other systems) Communicate through local and/or remote processes.

The solution of the embodiment of the present invention can be applied to an existing cellular communication system, such as global mobile communication (English full name can be: Global System for Mobile Communication, English abbreviation can be: GSM), wideband code division multiple access (English full name can be :Wideband Code Division Multiple Access, English abbreviation can be: WCDMA), long-term evolution (English full name can be: Long Term Evolution, English abbreviation can be: LTE) and other systems, the supported communication is mainly for voice and data communication . In general, a traditional base station supports a limited number of connections and is easy to implement.

The solution of the embodiment of the present invention may also be applied to a next-generation mobile communication system. For example, the next-generation mobile communication system may be a machine-to-machine (English name: Machine to Machine, English abbreviation may be: M2M) communication, or Machine type communication (English full name can be: Machine Type Communication, English abbreviation can be: MTC) communication system.

Optionally, the network device is a base station, and the terminal device is a user equipment.

The present invention describes various embodiments in connection with a terminal device. A terminal device may also be referred to as a user equipment (English: User Equipment, English abbreviation may be: UE) user equipment, access terminal, subscriber unit, subscriber station, mobile station, mobile station, remote station, remote terminal, mobile device , user terminal, terminal, wireless communication device, user agent or user device. The terminal device may be a site in a wireless local area network (English name: Wireless Local Area Networks, English abbreviation may be: WLAN) (English full name: STAION, English abbreviation may be: ST), which may be a cellular phone, a cordless phone, a conversation The startup protocol (English full name: Session Initiation Protocol, English abbreviation can be: SIP) telephone, wireless local loop (English full name: Wireless Local Loop, English abbreviation can be: WLL) station, personal digital processing (English full name: Personal Digital Assistant, English abbreviation can be: PDA), handheld devices with wireless communication capabilities, computing devices or other processing devices connected to wireless modems, in-vehicle devices, wearable devices, and terminal devices in future 5G networks or future evolution The public land mobile network (English full name: Public Land Mobile Network, English abbreviation may be: PLMN) terminal equipment in the network.

Moreover, the present invention describes various embodiments in connection with a network device. The network device may be a device for communicating with the mobile device, such as a network device, and the network device may be an access point in the WLAN (English full name: Access Point, English abbreviation may be: AP), GSM or code division multiple access CDMA ( English full name: Code Division Multiple Access, English abbreviation can be: CDMA) base station (English full name: Base Transceiver Station, English abbreviation can be: BTS), or can be a base station in WCDMA (English full name: NodeB, The English abbreviation may be: NB), or may be an LTE-based or evolved base station (English full name: Evolutional Node B, English abbreviation may be: eNB or eNodeB), or a relay station or an access point, or an in-vehicle device, wearable The device and the terminal device in the future 5G network or the network device in the future evolved PLMN network.

Furthermore, various aspects or features of the present invention can be implemented as a method, apparatus, or article of manufacture using standard programming and/or engineering techniques. The term "article of manufacture" as used in this application encompasses a computer program accessible from any computer-readable device, carrier, or media. For example, the computer readable medium may include, but is not limited to, a magnetic storage device (for example, a hard disk, a floppy disk or a magnetic tape, etc.), an optical disk, for example, a compressed disk (English full name: Compact Disk, English abbreviation may be: CD), a number Universal disk (English full name: Digital Versatile Disk, English abbreviation can be: DVD), smart cards and flash memory devices, for example, rewritable programmable read-only storage (English full name: Erasable Programmable Read-Only Memory, English abbreviation can be: EPROM), card, stick or key driver. Additionally, various storage media described herein can represent one or more devices and/or other machine-readable media for storing information. The term "machine-readable medium" may include, without limitation, a wireless channel and various other mediums capable of storing, containing, and/or carrying instructions and/or data.

FIG. 1 shows a schematic flow diagram of a method 100 of wireless communication in accordance with an embodiment of the present invention. The method 100 is performed in a communication system including at least two network devices, wherein a first one of the at least two network devices is configured in the same frequency as the second network device, and the first network device and the second network The device has a first protocol layer set, and each protocol layer included in the first protocol layer set has the same radio resource specific configuration in the first network device and the second network device, and the first protocol layer set includes at least media access Controlling the MAC layer and the physical PHY layer, as shown in FIG. 1, the method includes:

S110, the first network device receives the indication information of the first parameter set, where the first parameter set includes at least parameters of the MAC layer, and the parameters of the MAC layer at least include a hybrid automatic repeat request process identifier HARQ process ID;

S120. The first network device receives a first data packet, where the first data packet is a data packet that is not processed by the first protocol layer set.

S130. The first network device processes the first data packet to generate a second data packet by using the first protocol layer set according to the first parameter set, where the HARQ process ID of the second data packet is The third data packet is the same or different, and the third data packet is a data packet that is generated by the second network device according to the first parameter set and the first protocol layer set and sent to the terminal device;

S140. The first network device sends the second data packet to the terminal device.

First, the configuration (for example, static configuration) requirements of the first network device and the second network device in the embodiment of the present invention are described.

Specifically, in the embodiment of the present invention, the system allocates the same frequency domain resource for wireless communication to the first network device and the second network device, for example, the first network device and the second network device may be used. The same bandwidth is used for wireless communication, so that the terminal device can receive data or signaling sent by both the first network device and the second network device on the frequency band.

Moreover, in the embodiment of the present invention, the first network device and the second network device communicate with the terminal device by using the same radio access technology. Thereby, the terminal device can perform wireless communication with the first network device and the second network device through the same radio access technology.

Wireless access technology (English full name: Radio Access Technology, English abbreviation can be: RAT), also known as air interface technology, is a key issue in wireless communications. It refers to connecting a terminal device to a network device through a wireless medium to implement information transmission between the user and the network. The signals transmitted by the wireless channel should follow certain protocols, which constitute the main content of the wireless access technology. An important difference between wireless access technology and wired access technology is that mobile access services can be provided to users. A radio access network refers to an access technology that connects a user or a switching center to a part or all of a transmission medium using radio waves. In the communication network, the positioning of the wireless access system is part of the local communication network, and is an extension, supplement and temporary emergency system of the local wired communication network.

In addition, in the embodiment of the present invention, the number and type of RATs that the terminal device can support may be the same as or different from the number and type of RATs of the network device (including the first network device and the second network device). The invention is not particularly limited, wherein "partially different" means that the RAT supported by the terminal device has an intersection with the RAT of the network device, that is, both the network device and the terminal device support the RAT of the intersection, and the intersection includes at least Two RATs.

Hereinafter, for ease of understanding and explanation, the RAT used for wireless communication between the first network device and the second network device and the terminal device is referred to as a target RAT.

As an example and not by way of limitation, the target RAT may be, for example, a RAT used by a 4G network such as LTE or a RAT used by a future 5G network. Moreover, in the embodiment of the present invention, a protocol stack for performing wireless communication based on the target RAT is provided in the first network device and the second network device. Correspondingly, the protocol stack may be a protocol stack used in a 4G network such as LTE, or may be a protocol stack used in a future 5G network, and the present invention is not particularly limited. Hereinafter, in order to facilitate understanding and differentiation, a protocol stack defined in LTE will be taken as an example for description.

The protocol stack refers to the sum of the layers of the network, and its image reflects the process of file transfer in a network: from the upper layer protocol to the underlying protocol, and then from the underlying protocol to the upper layer protocol. By way of example and not limitation, in the embodiment of the present invention, the protocol stack used by the wireless communication may include at least one protocol layer or a combination of multiple protocol layers, and each layer protocol may have multiple protocol entities, as an example instead of The protocol stack in the embodiment of the present invention may include the following protocol layers:

1. Packet Data Convergence Protocol (PDCP) layer

By way of example and not limitation, in the embodiments of the present invention, the PDCP layer is mainly used for compressing and decompressing/encrypting and decrypting information.

2. Radio Link Control (RLC) layer

By way of example and not limitation, in the embodiment of the present invention, the RLC layer is mainly used to implement automatic retransmission. Related functions of ARQ (Automatic Repeat Request), segmenting and cascading information or reorganizing information of segments and concatenations.

3. Media Access Control (MAC) layer

By way of example and not limitation, in the embodiment of the present invention, the MAC layer is mainly used for selecting a transport format combination, and implementing related functions of scheduling and hybrid automatic repeat request (HARQ).

4. Physical layer

By way of example and not limitation, in the embodiment of the present invention, the PHY layer is mainly used to provide information transmission services for the MAC layer and the upper layer, and performs code modulation processing or demodulation decoding processing according to the selected transmission format combination.

It should be understood that the above-mentioned protocol layers are only exemplary descriptions, and the present invention is not particularly limited. For example, the name or function may be arbitrarily changed according to a specific application network or system. For example, the functions of some protocol layers may also be performed. As a new protocol layer, it is only necessary to ensure that the protocol layers in the first network device and the second network device are in one-to-one correspondence.

In the embodiment of the present invention, the first network device and the second network device may use some or all of the foregoing protocol layers (including at least a MAC layer and a PHY layer, that is, a first protocol layer set) to be sent to the terminal device. The data is processed.

By way of example and not limitation, if the data sent by the first network device and the second network device to the terminal device is different (for example, the first network device and the second network device separately generate data that needs to be sent to the terminal device) The first protocol layer set may include a PDCP layer, an RLC layer, a MAC layer, and a PHY layer.

Alternatively, if the data sent by the first network device and the second network device to the terminal device is the same (for example, after the second network device processes the data through the PDCP layer, the processed data is sent to the second network device. And, the first network device and the second network device respectively process the data through respective RLC layers, MAC layers, and PHY layers, and the first protocol layer set may include an RLC layer, a MAC layer, and a PHY layer.

Or, if the data sent by the first network device and the second network device to the terminal device is the same (for example, after the second network device processes the data through the PDCP layer and the RLC layer, the processed data is sent to the data. The second network device, and the first network device and the second network device respectively process the data through respective MAC layers and PHY layers, and the first protocol layer set may include a MAC layer and a PHY layer.

In the embodiment of the present invention, in order to ensure that the terminal device can receive the data sent by the first network device and the second network device through the same protocol stack, the first protocol stack in the first network device and the second network device needs to be included. The radio resource dedicated configuration of each protocol layer is the same.

The radio resource-specific configuration of the PDCP layer may include, but is not limited to, a configuration of a packet loss timer, a configuration of a security parameter of a PDCP layer, and a configuration of a size parameter of a sequence number of a PDCP layer.

The radio resource dedicated configuration of the RLC layer may include, but is not limited to, the configuration of the RLC mode, the configuration of the reordering timer, the configuration of the maximum number of retransmissions, the configuration of the length of the sequence number field, and the number of the data units of the packet. Configure, pull the configuration of the number of bytes of the packet data unit, the configuration of the status report timer, and so on.

The radio resource-specific configuration of the MAC layer may include, but is not limited to, a configuration of a maximum number of HARQ transmissions, a configuration of a periodic buffer status report timer, a configuration of a retransmission buffer status report timer, and information indicating whether to bind. Configuration, configuration of discontinuous reception, configuration of timing advance timer, configuration of power headroom report, configuration of scheduling request timer, logical channel identifier, and so on.

The radio resource dedicated configuration of the PHY layer may include, but is not limited to, a physical uplink data channel dedicated configuration, a physical downlink data channel dedicated configuration, an uplink power control dedicated configuration, an uplink power control supply common configuration, an uplink monitoring reference signal configuration, and a scheduling request configuration. , configuration of channel quality indication report configuration or channel status indication report, configuration of enhanced physical downlink control channel (E-PDCCH, Enhanced Physical Downlink Control Channel), configuration of demodulation reference signal (DMRS, De Modulation Reference Signal), channel The configuration of the status indication-reference signal (CSI-RS, Channel State Information Reference Signals), the configuration of the scheduling request (SR, Scheduling Request), the configuration of the channel quality indicator (CQI, Channel Quality Indicator) report, and the configuration of the sequence initialization parameters. Moreover, the sequence initialization parameter includes at least one of the following: a sequence initialization parameter of the DMRS, a sequence initialization parameter of the CSI-RS, a sequence initialization parameter of a sounding reference signal (SRS, Sounding Reference Signal), a sequence initialization parameter of the E-PDCCH, and a physical uplink. Sequence initialization parameters of a shared channel (PUSCH, Pysical Uplink Shared Channel), a sequence initialization parameter of a physical downlink shared channel (PDSCH), and a sequence initialization parameter of a physical uplink control channel (PUCCH, Pyical Uplink Control Channel).

It should be understood that the radio resource dedicated configuration of each protocol layer listed above is merely an exemplary description, and the present invention is not limited thereto, and the radio resource dedicated configuration specified in the existing RRC specification (Radio) Resource Config Dedicated) falls within the scope of the present invention.

In addition, in the embodiment of the present invention, the data generated by the processing of the PDCP layer may be referred to as a PDCP Protocol Data Unit (PDU), and the data generated by the processing of the RLC layer may be referred to as an RLC PDU; The data generated by the processing of the layer may be referred to as a MAC PDU.

In the following, the system architecture to which the above method 100 is applied, and the specific flow of the method 100 in each system architecture are described in detail.

2 shows a schematic diagram of a communication system 200 of a method 100 of wireless communication in accordance with the present invention. As shown in FIG. 2, the communication system 200 includes a network device 202 (ie, an example of a first network device), a network device 204 (ie, an example of a second network device), and a terminal device 206.

Wherein, the network device (eg, network device 202 or network device 204) can include multiple antennas. Additionally, the network device can additionally include a transmitter chain and a receiver chain, as will be understood by those of ordinary skill in the art, which can include various components associated with signal transmission and reception (eg, processors, modulators, multiplexers, Demodulator, demultiplexer or antenna, etc.).

The network device can communicate with one or more terminal devices (e.g., terminal device 206). However, it will be appreciated that the network device can communicate with any number of terminal devices similar to the terminal device. The terminal device can be, for example, a cellular telephone, a smart phone, a portable computer, a handheld communication device, a handheld computing device, a satellite radio, a global positioning system, a PDA, and/or any other suitable device for communicating over the wireless communication system 200.

And, the network device sends information to the terminal device through the forward link, and receives information from the terminal device through the reverse link.

For example, in a frequency division duplex (English: Fully-Frequency Division Duplex, English abbreviation may be: FDD) system, for example, the forward link may utilize different frequency bands used by the reverse link.

For example, in the time division duplex (English full name: Time Division Duplex, English abbreviation can be: TDD) system and full duplex (English full name: Full Duplex) system, the forward link and reverse link can be used Common frequency band.

Each antenna (or set of antennas consisting of multiple antennas) and/or regions designed for communication is referred to as a sector of a network device. For example, the antenna group can be designed to communicate with terminal devices in sectors of the network device coverage area. In the process in which the network device communicates with the terminal device through the forward link 1, respectively, the transmit antenna of the network device can utilize beamforming to improve the signal to noise ratio of the forward link. This In addition, when a network device transmits a signal to a terminal device that is randomly dispersed in a relevant coverage area by using a single antenna to transmit a signal to all of its terminal devices, the mobile device in the adjacent cell is subjected to a signal. Less interference.

At a given time, the network device or terminal device may be a wireless communication transmitting device and/or a wireless communication receiving device. When transmitting data, the wireless communication transmitting device can encode the data for transmission. In particular, the wireless communication transmitting device may acquire (eg, generate, receive from other communication devices, or store in memory, etc.) a certain number of data bits to be transmitted over the channel to the wireless communication receiving device. Such data bits may be included in a transport block (or multiple transport blocks) of data that may be segmented to produce multiple code blocks.

It should be noted that the communication system 200 can be a PLMN network or a D2D network or an M2M network or other network. FIG. 2 is only a simplified schematic diagram of the example, and the network may also include other network devices, which are not shown in FIG. 2 . In addition, the number of network devices and terminal devices in the example shown in FIG. 2 is merely illustrative, and the present invention is not limited thereto.

Optionally, the second network device is a source network device for serving the terminal device, where the first network device is a target network device to which the terminal device needs to be migrated.

Specifically, in the embodiment of the present invention, the first network device may be a target network device to which the terminal device needs to be migrated (or switched) (hereinafter, for ease of understanding and differentiation, it is recorded as: target network device #A The second network device may be a source network device that the terminal device needs to migrate (or switch) (hereinafter, for ease of understanding and differentiation, it is referred to as: source network device #B).

It should be understood that the application scenarios listed above are merely exemplary, and the present invention is not limited thereto. For example, the first network device is a source network device and the second network device may also be a cooperative mode to provide communication services for the terminal device. Internet equipment.

In the following, for the sake of understanding and description, the method for the wireless communication of the embodiment of the present invention is applied to the system 200 when the first network device is the target network device #A and the second network device is the source network device #B. The specific process is described in detail.

Specifically, the target network device #A may receive a set of parameters sent by the source network device #B to indicate that each protocol layer in the first protocol layer set dynamically or semi-statically changes during wireless communication (ie, The indication information of an example of a parameter set, wherein, as described above, the first protocol layer set includes at least a MAC layer and a PHY layer, and therefore, the first parameter set includes at least a dynamic parameter of the MAC layer or a semi-static change Parameters, and, in the embodiment of the present invention, the dynamic parameters of the MAC layer or the semi-statically changed parameters may include a HARQ process ID.

It should be noted that, in the embodiment of the present invention, the HARQ process ID in the first parameter set may be the HARQ process ID used by the source network device #B, or the source network device #B indicates the target network device #A. The HARQ process ID used in the present invention is not particularly limited as long as the HARQ process ID determined by the target network device #A according to the first parameter set is ensured (hereinafter, for ease of understanding and explanation, it is recorded as: HARQ process) ID#A) The HARQ process ID used by the source network device #B (hereinafter, for ease of understanding and explanation, it is noted that: HARQ process ID #B) has a relationship (for example, the same or different) corresponding to the actual communication situation. Just fine.

The application scenario (ie, application scenario 1) when the HARQ process ID #A and the HARQ process ID #B are different, and the application scenario when the HARQ process ID #A and the HARQ process ID #B are the same (ie, Application scenario 2) is described in detail.

Application scenario 1

Optionally, the first network device receives the indication information of the sending moment;

Determining, by the first network device, a sending moment of the second data packet according to the indication information of the sending time,

The HARQ process ID of the second data packet is different from the HARQ process ID of the third data packet when the sending time of the second data packet is different from the sending time of the third data packet.

Specifically, the source network device #B can transmit the indication information of the time #A to the target network device #A (that is, an example of the indication information of the transmission time).

Alternatively, the source network device #B may transmit the indication information of the time #B to the target network device #A (that is, another example of the indication information of the transmission time).

Wherein, the target network device #A can transmit data #A to the terminal device at time #A (ie, an example of the second data packet), and the source network device #B can transmit the data #B to the terminal device at time #B (ie, An example of the third data packet may be the same as or different from the data #A and the data #B, and the present invention is not particularly limited.

When the time #A is different from the time #B, there may be that the target network device #A and the source network device #B use the same HARQ process, or the data transmitted to the terminal device carries the same HARQ process ID. In this case, the terminal device performs retransmission processing for data #A and data #B using the same HARQ process, and thus, for example, there may be a retransmission processing for the data #A that needs to be transmitted to the target network device #A. The generated data or signaling is sent to the source network device #B by mistake, or there may be a need for transmission to the source network device #B. The data or signaling generated by the retransmission process of the data #B is erroneously transmitted to the target network device #A, resulting in a transmission error.

On the other hand, in the embodiment of the present invention, when the time #A and the time #B are different, the target network device #A and the source network device #B can negotiate the HARQ process ID used by the first parameter set, and can Ensuring that the terminal device performs retransmission processing for data #A and data #B using different (ie, corresponding to different HARQ process IDs) HARQ processes, thereby ensuring data generated by the retransmission processing of the data #A or The signaling can be accurately transmitted to the target network device #A, and the data or signaling generated for the retransmission process of the data #B can be accurately transmitted to the source network device #B.

It should be noted that, in the embodiment of the present invention, the time #A and the time #B may correspond to different subframes. For example, the target network device #A may be in the subframe number of 1, 3, 5, 7, and 9. The data is transmitted to the terminal device on the subframe, and the source network device #B can transmit data to the terminal device in the subframe with the subframe number of 2, 4, 6, 8, 0. That is, in the embodiment of the present invention, a plurality of time domain resource patterns (or transmission time patterns) may be preset, and each time domain resource pattern has a unique indication identifier. In this case, the foregoing transmission moment The indication information may be an indication of the time domain resource style.

In addition, in the embodiment of the present invention, the data #A and the data #B may be different, that is, the target network device #A and the source network device #B may send different data to the terminal device.

In this case, the target network device #A and the source network device #B may pre-negotiate data that needs to be sent to the terminal device, for example, if the service accessed by the terminal device includes, for example, 10 data packets, the target network device #A may send Some of the data packets (for example, data packets with data packet numbers 1, 3, 5, 7, and 9), the source network device #B can send the remaining data packets (for example, the data packet numbers are 2, 4, and 6). , 8, 0 packets).

Wherein, the target network device #A and the source network device #B can independently acquire the above data (ie, data #A or data #B) from the gateway device, the server, or the core network device, and each based on including the MAC layer and the PHY layer. The first set of protocol layers within the process processes the data to generate data packets that need to be sent to the terminal device.

Alternatively, the above data (ie, data #A and data #B) may also be acquired by one of the target network device #A or the source network device #B from the gateway device, the server, or the core network device, and the data transmitted by the other party is responsible. The data is sent to the other party, and, by way of example and not limitation, in the embodiment of the present invention, the data that is transmitted by the other party may be the first layer that does not include the MAC layer and the PHY layer. The data processed by a protocol layer set, for example, data generated after being processed by the PDCP layer (which may also be referred to as a PDCP PDU), or data generated after being processed by the RLC layer (which may also be referred to as an RLC PDU). And, the second network device (one of the target network device #A and the source network device #B) can carry the indication information of the foregoing sending moment to be required to pass through the first network device (target network device #A and source network device #B) The other party in the data transmission to the terminal device is sent to the first network device. Thereby, signaling for mutual negotiation can be reduced, and the processing flow of the method 100 can be simplified.

Optionally, the method further includes:

The first network device receives resource block assignment information;

Determining, by the first network device, a frequency domain resource block carrying the second data packet according to the resource block assignment information,

The HARQ process ID of the second data packet is different from the HARQ process ID of the third data packet, when the frequency domain resource block carrying the second data packet is different from the frequency domain resource block carrying the third data packet.

Optionally, the method further includes:

The first network device receives resource block assignment information;

Specifically, the source network device #B can transmit the indication information of the frequency domain resource block #A (ie, an example of the resource block assignment information) to the target network device #A.

Alternatively, the source network device #B may transmit the indication information of the frequency domain resource block #B to the target network device #A (ie, another example of the resource block assignment information).

The target network device #A may send data #C to the terminal device through the frequency domain resource block #A (ie, another example of the second data packet), and the source network device #B may be in the frequency domain resource block #B to the terminal device. The data #D (that is, another example of the third data packet) is transmitted, wherein the data #C and the data #D may be the same or different, and the present invention is not particularly limited.

When the frequency domain resource block #A is different from the frequency domain resource block #B, there may be that the target network device #A and the source network device #B use the same HARQ process, or are transmitted to the terminal device. The data carries the same HARQ process ID, so that the terminal device performs the retransmission process for the data #C and the data #D using the same HARQ process, and thus, for example, there may be a need to transmit to the target network device #A. The case where the data or signaling generated by the retransmission process of the data #C is erroneously transmitted to the source network device #B, or the retransmission process for the data #D that needs to be transmitted to the source network device #B may occur. The generated data or signaling is erroneously transmitted to the target network device #A, resulting in a transmission error.

In contrast, in the embodiment of the present invention, when the frequency domain resource block #C is different from the frequency domain resource block #D, the target network device #A and the source network device #B may be used by the first parameter set negotiation. The HARQ process ID can ensure that the terminal device performs retransmission processing for data #C and data #D separately using different (ie, corresponding to different HARQ process IDs) HARQ processes, thereby ensuring retransmission for the data #C The data or signaling generated by the processing can be accurately transmitted to the target network device #A, and the data or signaling generated by the retransmission processing for the data #D can be accurately transmitted to the source network device #B.

It should be noted that, in the embodiment of the present invention, the frequency domain resource block #C and the frequency domain resource block #D may correspond to different subcarriers. For example, the target network device #A may be in the subcarrier number of 1, 3, The subcarriers of 5, 7, and 9 transmit data to the terminal device, and the source network device #B can transmit data to the terminal device on the subcarriers with the subcarrier numbers of 2, 4, 6, 8, and 0. That is, in the embodiment of the present invention, a plurality of frequency domain resource patterns (or frequency domain resource block patterns) may be preset, and each frequency domain resource pattern has a unique indication identifier. In this case, the foregoing resources The block assignment information may be an indication of the frequency domain resource pattern.

In addition, in the embodiment of the present invention, the data #C and the data #D may be different, that is, the target network device #A and the source network device #B may send different data to the terminal device.

Wherein, the target network device #A and the source network device #B can independently acquire the above data (ie, data #C or data #D) from the gateway device, the server, or the core network device, and each based on including the MAC layer and the PHY layer. The first set of protocol layers within the process processes the data to generate data packets that need to be sent to the terminal device.

Alternatively, the above data (ie, data #C and data #D) may also be acquired by one of the target network device #A or the source network device #B from the gateway device, the server, or the core network device, and the data to be transmitted by the other party. The data is sent to the other party, and, by way of example and not limitation, in the embodiment of the present invention, the data that is transmitted by the other party may be data processed by the first protocol layer set including the MAC layer and the PHY layer, for example, Data generated after processing by the PDCP layer (also referred to as PDCP PDU), or data generated after processing by the RLC layer (ie, RLC PDU). And, the second network device (one of the target network device #A and the source network device #B) can carry the resource block assignment information to be required to pass through the first network device (target network device #A and source network device #B) The other party) sends the data packet to the terminal device to the first network device. Thereby, signaling for mutual negotiation can be reduced, and the processing flow of the method 100 can be simplified.

Optionally, the third data packet is specifically a data packet generated by the second network device processing the fourth data packet according to the first parameter set and the first protocol layer set, where

Moreover, when the data carried by the first data packet is different from the data carried by the fourth data packet, the HARQ process ID of the second data packet is different from the HARQ process ID of the third data packet.

Specifically, the target network device #A may transmit data #E to the terminal device (ie, another example of the second data packet), and the source network device #B may transmit the data #F to the terminal device, where the data #E and Data #F is different.

In this case, there may be a case where the target network device #A and the source network device #B use the same HARQ process, or the same HARQ process ID is carried in the data transmitted to the terminal device, so that the terminal device uses the same The HARQ process performs retransmission processing for data #E and data #F, and thus, for example, data or signaling generated by the retransmission processing for the data #E that needs to be transmitted to the target network device #A may be mistaken. The case of transmitting to the source network device #B, or the case where data or signaling generated by the retransmission process for the data #F to be transmitted to the source network device #B is erroneously transmitted to the target network device #A may occur. , causing a transmission error.

On the other hand, in the embodiment of the present invention, when the data #E and the data #F are different, the target network device #A and the source network device #B can negotiate the HARQ process ID used by the first parameter set, thereby ensuring The terminal device performs retransmission processing for data #E and data #F using different (ie, corresponding to different HARQ process IDs) HARQ processes, thereby ensuring data or a message generated by the retransmission process for the data #E. Enable accurate transmission to the target network device #A, and the data or signaling generated by the retransmission process of the data #F can be accurately transmitted. To source network device #B.

As described above, the above data #E and data #F are different, so the target network device #A and the source network device #B can pre-negotiate data that needs to be transmitted to the terminal device, for example, if the service accessed by the terminal device includes, for example, 10 For the data packet, the target network device #A can transmit some of the data packets (for example, the data packet with the sequence number 1, 3, 5, 7, and 9), and the source network device #B can send the remaining portion of the data packet ( For example, a packet with a packet number of 2, 4, 6, 8, 0).

Wherein, the target network device #A and the source network device #B can independently acquire the above data (ie, data #E or data #F) from the gateway device, the server, or the core network device, and each based on including the MAC layer and the PHY layer. The first set of protocol layers within the process processes the data to generate data packets that need to be sent to the terminal device.

Alternatively, the above data (ie, data #E and data #F) may also be acquired by one of the target network device #A or the source network device #B from the gateway device, the server, or the core network device, and the data transmitted by the other party is responsible. The data is sent to the other party, and, by way of example and not limitation, in the embodiment of the present invention, the data that is transmitted by the other party may be data processed by the first protocol layer set including the MAC layer and the PHY layer, for example, Data generated after processing by the PDCP layer (also referred to as PDCP PDU), or data generated after processing by the RLC layer (also referred to as RLC PDU).

In scenario 1, the HARQ process IDs carried in the data packets sent by the target network device #A and the source network device #B to the terminal device are different. Therefore, the terminal device can use different HARQ processes according to the different HARQ process IDs. The retransmission processing of the data packets transmitted by the target network device #A and the source network device #B can avoid transmission errors.

Application scenario 2

Optionally, the third data packet is specifically a data packet generated by the second network device processing the first data packet according to the first parameter set and the first protocol layer set.

And, the method further includes:

Receiving, by the first network device, indication information of the sending moment and resource block assignment information;

Determining, by the first network device, the sending time of the second data packet according to the indication information of the sending time, and determining, according to the resource block assignment information, the frequency domain resource block that carries the second data packet,

And, when the sending time of the second data packet is the same as the sending time of the third data packet, and the frequency domain resource block carrying the second data packet is the same as the frequency domain resource block carrying the third data packet, the The HARQ process ID of the second data packet is the same as the HARQ process ID of the third data packet.

Specifically, the source network device #B can transmit the indication information of the time #α to the target network device #A (that is, an example of the indication information of the transmission time).

And, the source network device #B can transmit the indication information of the frequency domain resource block #α (that is, an example of the resource block assignment information) to the target network device #A.

Thus, the source network device #B and the target network device #A transmit the same data #α at the same transmission time (ie, transmission time #α) through the same frequency domain resource block (ie, frequency domain resource block #α) (ie, , the data carried by the second data packet and the third data packet).

In this case, there may be a case where the target network device #A and the source network device #B use different HARQ processes, or the data transmitted to the terminal device carries different HARQ process IDs, thereby causing the same frequency to be transmitted. Different HARQ process IDs transmitted by the domain resource blocks at the same time, the different HARQ process IDs interfere with each other's transmission, and the terminal device cannot obtain an accurate HARQ process ID, resulting in a transmission error.

In contrast, in the embodiment of the present invention, when the source network device #B and the target network device #A are at the same transmission time (ie, transmission time #α), the same frequency domain resource block (ie, the frequency domain resource block # α), when the same data #α is transmitted, the target network device #A and the source network device #B can negotiate the used HARQ process ID by using the first parameter set, and can ensure the HARQ process carried in the data packet sent to the terminal device. The same, so as to avoid interference caused by transmission of different information (ie, different HARQ process IDs) on the same frequency domain resource block at the same time, thereby avoiding transmission errors.

In the embodiment of the present invention, the target network device #A and the source network device #B may pre-nego data that needs to be sent to the terminal device, so that the same data is sent to the terminal device through the same frequency domain resource block at the same time.

Wherein, the target network device #A and the source network device #B can independently acquire the above data (ie, data #α) from the gateway device, the server, or the core network device, and are each based on the first including the MAC layer and the PHY layer. The protocol layer set processes the data to generate data packets that need to be sent to the terminal device.

Alternatively, the above data (ie, data #α) may also be acquired by one of the target network device #A or the source network device #B from the gateway device, the server, or the core network device, and the data transmitted by the other party is transmitted to the other party. Moreover, by way of example and not limitation, in the embodiment of the present invention, the data that is transmitted by the other party may be data processed by the first protocol layer set including the MAC layer and the PHY layer, for example, processed by the PDCP layer. Post-generated data (also known as PDCP) PDU), or data generated after processing by the RLC layer (also referred to as RLC PDU).

Optionally, the method further includes:

The first network device sends the indication information of the first time-frequency resource to the terminal device, where the first time-frequency resource is used to carry the second data packet, so that the terminal device is configured according to the indication information of the first time-frequency resource and And indicating, by the second time-frequency resource, the second data packet and the third data packet, where the second time-frequency resource is used to carry the third data packet.

Specifically, under scenario 2, since the target network device #A and the source network device #B use the same frequency domain resource block (eg, frequency domain resource block #α) at the same transmission time (eg, transmission time #α) The data packet carrying the same HARQ process ID and the same data is sent to the terminal device. Therefore, the target network device #A or the source network device #B may further send the indication information of the foregoing transmission time #α and the frequency domain resource block to the terminal device. #α的指示信息.

Therefore, the terminal device can determine, according to the indication information of the transmission time #α and the indication information of the frequency domain resource block #α, that the data packet received by the frequency domain resource block #α at the transmission time #α carries the same data, and further, The packet combination processing received at the transmission time #α by the frequency domain resource block #α can be performed.

In the embodiment of the present invention, as the foregoing merge processing, for example, the terminal device may discard the data packet sent by one of the network devices and only retain the data packet sent by the other network device.

Alternatively, the terminal device may perform a joint decoding process on the received data packet, and the specific method and process of the joint decoding process may be similar to the prior art. Here, in order to avoid redundancy, detailed description thereof is omitted.

It should be noted that, in the embodiment of the present invention, the process in which the target network device #A and the source network device #B negotiate the HARQ process ID through the first parameter set may be that the source network device #B determines the first parameter set, and the first A parameter set is sent to the target network device #A (ie, the target network device #A as the first network device, the source network device #B as the second network device), or the target network device #A determines the first parameter set, The first parameter set is sent to the source network device #B (ie, the target network device #A is used as the second network device, and the source network device #B is used as the first network device), and the present invention is not particularly limited.

A method for wireless communication according to an embodiment of the present invention, by causing a first network device to acquire indication information indicating a first parameter set of a HARQ process ID, and processing based on the first parameter set to generate a second data packet, and The second network device performs processing according to the first parameter set to generate a second data packet, and can adjust the HARQ process of the second data packet according to actual needs. Corresponding relationship between the ID and the HARQ process ID of the third data packet (same or different), thereby avoiding HARQ caused by an error in the correspondence between the HARQ process ID of the second data packet and the HARQ process ID of the third data packet Handling errors and, in turn, improving the reliability and accuracy of wireless communications.

FIG. 3 is a schematic diagram showing the flow of data according to an embodiment of the present invention. As shown in FIG. 3, in the embodiment of the present invention, the first data packet may be a second network device (target network device #A and source network device). a packet generated by the RLC layer (also referred to as an RLC PDU), and the second data packet may be the first network device (target network device #A and source network device #B) The other party) is processed by the MAC layer and the PHY layer, and the third data packet may be a data packet generated by the second network device after being processed by the MAC layer and the PHY layer, where the second network device is passing through the MAC layer. The relationship between the HARQ process ID carried by the intermediate data (ie, the MAC PDU) generated by processing the data and the HARQ process ID carried by the first network device in the MAC PDU generated by processing the data through the MAC layer is satisfied. The relationship described in scenario 1 or scenario 2 above.

FIG. 4 is a schematic diagram showing the flow of data according to another embodiment of the present invention. As shown in FIG. 4, in the embodiment of the present invention, the first data packet may be a second network device (target network device #A and source network). A packet generated by the PDCP layer (which may be referred to as a PDCP PDU), and the second packet may be the first network device (target network device #A and source network device #B) The other one of the data packets generated by the RLC layer, the MAC layer, and the PHY layer, and the third data packet may be a data packet generated by the second network device after being processed by the RLC layer, the MAC layer, and the PHY layer, where The HARQ process ID carried by the intermediate device (ie, the MAC PDU) generated by the network device processing the data through the MAC layer and the HARQ carried by the MAC PDU generated by the first network device processing the data through the MAC layer The relationship between process IDs satisfies the relationship described in scenario 1 or scenario 2 above.

In addition, in the example shown in FIG. 4, when the second data packet and the third data packet carry the same data, that is, the second data packet and the third data packet are the first network device and the second network device. In the case where the first protocol layer set is generated by processing the same PDCP PDU, the method 100 further includes the following process:

That is, the third data packet is specifically a data packet generated by the second network device processing the first data packet according to the first parameter set and the first protocol layer set.

And the first protocol layer set further includes a radio link control RLC layer, the first parameter set The combination further includes parameters of the RLC layer, and the parameters of the RLC layer include at least an RLC layer sequence number, and

The RLC layer sequence number of the second data packet is the same as the RLC layer sequence number of the third data packet.

Specifically, when the target network device #A or the source network device #B needs to transmit the same data to the terminal device, and the data before the processing through the first parameter set is the PDCP PDU, the target network device #A or the source network device #B needs to process the PDCP PDU (ie, the first data packet) through the RLC layer, the MAC layer, and the PHY layer to generate a data packet that is sent to the terminal device, that is, the first parameter except the MAC layer and the PHY layer. The collection also includes the RLC layer.

In the prior art, when the network device processes data through the RLC layer, the RLC layer sequence number dynamically changes.

Therefore, for example, two network devices (ie, network device #A and network device #B) that generate data packets (eg, RLC PDUs) carrying the same data through RLC layer processing have different RLC layer numbers, and thus The final generated second data packet is different from the RLC layer serial number in the third data packet.

Thus, even if the second data packet and the third data packet are generated based on the same PDCP PDU, since the second data packet and the RLC layer sequence number in the third data packet are different, the terminal device will also use the second data packet and the first data packet. The three data packets are regarded as carrying different data, or in the process that the terminal device will recover complete downlink data based on the RLC layer sequence number based on each data packet, the data packets carrying the same data are assigned different RLC layer serial numbers. Used by the terminal device twice, the terminal device may not be able to decode accurately, resulting in transmission errors.

On the other hand, in the embodiment of the present invention, the target network device #A and the source network device #B can negotiate the used RLC layer sequence number through the first parameter set, and can ensure that the RLC layer number of the data packet carrying the same data is the same. To avoid transmission errors.

Optionally, the parameter of the RLC layer further includes indication information about a size of the RLC layer packet segment.

Specifically, in the case where the system does not specify the size of the RLC layer packet segmentation, different network devices may use different RLC layer packet segment sizes, thereby causing the terminal device to be unable to base each packet from different network devices. Restore complete downlink data.

In contrast, in the embodiment of the present invention, the target network device #A and the source network device #B can negotiate the size of the RLC layer data packet segment used by the first parameter set, and each network device sends the data packet to the terminal device. The RLC layer packet segmentation of the packet is the same size, so that transmission errors can be avoided.

Optionally, the first data packet is generated by the PDCP layer processed by the packet data convergence protocol. According to the package,

The first network device receives the indication information of the first parameter set, including:

The first network device receives the mapping relationship between the PDCP layer sequence number of the first data packet and the first parameter set (or the RLC layer sequence number);

The first network device processes the first data packet to generate a second data packet by using the first protocol layer set according to the first parameter set, including:

After determining the first parameter set (or the RLC layer sequence number) according to the PDCP layer sequence number of the first data packet and the mapping relationship information, the second network device passes the first protocol according to the first parameter set. The layer set (or the RLC layer sequence number) processes the first data packet to generate a second data packet.

Specifically, in the embodiment of the present invention, for different PDCP PUDs, the first network device and the second network device may use different first parameter sets (for example, may include a HARQ process ID or an RLC layer sequence number). Processing, in this case, the first network device and the second network device may negotiate the first parameter set in a manner of transmitting a mapping relationship between the PDCP layer sequence number and the first parameter set, that is, in the embodiment of the present invention, The mapping relationship may indicate that the first parameter set #1 (eg, including the RLC layer sequence number #1) is used to perform processing for the PDCP PUD with the PDCP layer sequence number 1, the first parameter set #2 (eg, including the RLC layer sequence number # 2) For performing processing for the PDCP PUD having the PDCP layer number 2, ..., the first parameter set #K (for example, including the RLC layer number #K) is used to perform processing for the PDCP PUD having the PDCP layer number K. Therefore, when the first network device and the second network device simultaneously process the plurality of PDCP PUDs, the first parameter set used can be accurately obtained according to the mapping relationship, thereby further improving the reliability and the method 100. Practicality.

By way of example and not limitation, on the side of source network device #B (ie, an example of a second network device):

Based on the first parameter set #β, the source network device #B may process the higher layer data through the PDCP layer (or the PDCP entity) to generate a sequence number M (for example, 200) and a length of T (for example, 1000 bytes ( The PDCP PDU #β of BYTE)) (ie, an example of the first data packet), the PDCP PDU #β is segmented by the RLC layer (or RLC entity) to generate a segment size K (for example, 200 BYTE) T/K (ie, 5) RLC PDUs, and the RLC sequence number corresponding to the PDCP sequence number M is N (for example, 300), and therefore, the number of the generated RLC PDUs may be N+1 (ie, 301). N+2 (ie, 302), N+3 (ie, 303), N+4 (ie, 304), N+5 (ie, 305).

Subsequently, when the source network device #B generates the PDCP PDU #δ with the sequence number M+1 (for example, 201) and the length T′ (for example, 600 BYTE) through the PDCP layer, the PDCP PDU#δ can be performed through the RLC layer. Segmentation processing to generate T'/K (ie, 3) RLC PDUs of segment size K, the number of RLC PDUs being N+T/K+1 (ie, 306), N+T/K+2, respectively (ie, 307), N+T/K+3 (ie, 308).

On the side of the target network device #A (ie, an example of the first network device):

The target network device #A can receive the PDCP PDU #β from the source network device #B (the sequence number is M and the length is T). And, based on the relationship information, determining to process the PDCP PDU #β based on the first parameter set #β, that is, based on the first parameter set #β, the target network device #A may pass through the RLC layer (or the RLC entity) The PDCP PDU #β is segmented to generate T/K RLC PDUs of segment size K, and the numbers of the RLC PDUs are N+1 (ie, 301), N+2 (ie, 302), N. +3 (ie, 303), N+4 (ie, 304), N+5 (ie, 305).

Subsequently, the target network device #A may receive the PDCP PDU #δ from the source network device #B (the sequence number is M+1, the length is T'), and based on the first parameter set #β, the PDCP PDU may be passed through the RLC layer. δ performs segmentation processing to generate T'/K RLC PDUs of segment size K, the numbers of the RLC PDUs being N+T/K+1 (ie, 306), N+T/K+2 (ie, 307), N+T/K+3 (ie, 308).

For the same data, the data packets received by the terminal device from the first network device and the second network device are identical, and therefore, even if the channel between the terminal device and one of the first network device or the second network device is If the channel quality is not good, the terminal device cannot receive data through the poor quality channel, and the terminal device can still receive the data through the other party in the first network device or the second network device, thereby ensuring reliable data transmission. The possibility of the communication terminal appearing when the terminal device moves between the first network device and the second network device is reduced. In addition, when the terminal device can receive the same data sent by the first network device and the second network device When a packet is received, the terminal device can reserve only one of the packets and discard another redundant packet.

It should be understood that the data flow directions shown in FIG. 3 and FIG. 4 above are merely exemplary, and the present invention is not limited thereto, and the first network device may also be from other devices than the second network device (for example, the core network). The device or the gateway device or the like) obtains the RLC PDU, the PDCPC PDU, or the data without the PDCP layer data, and the like, and the present invention is not particularly limited.

FIG. 5 shows a schematic diagram of a communication system 300 of a method 100 of wireless communication in accordance with the present invention. As shown in FIG. 5, the communication system 300 includes a network device 302 (ie, an example of a first network device), a network device 304 (ie, an example of a second network device), a terminal device 306, and a control device 308.

Optionally, the first network device acquires the first data packet, including:

The first network device receives the first data packet sent by the control device, where the first data packet is generated by the control device processing the downlink data that needs to be sent to the terminal device based on the PDCP layer.

And, the control device is a macro site serving the terminal device, and the second network device is a source microsite serving the terminal device, and the first network device is a target microsite to which the terminal device needs to be handed over.

The functions and configurations of the network device in FIG. 5 are similar to those of the network device in FIG. 2. Here, in order to avoid redundancy, a detailed description thereof will be omitted.

And, the control device can include a plurality of antennas. Additionally, the network device can additionally include a transmitter chain and a receiver chain, as will be understood by those of ordinary skill in the art, which can include various components associated with signal transmission and reception (eg, processors, modulators, multiplexers, Demodulator, demultiplexer or antenna, etc.).

The control device can communicate with one or more terminal devices (e.g., terminal device 306). However, it will be appreciated that the network device can communicate with any number of terminal devices similar to the terminal device. The terminal device can be, for example, a cellular telephone, a smart phone, a portable computer, a handheld communication device, a handheld computing device, a satellite radio, a global positioning system, a PDA, and/or any other suitable device for communicating over the wireless communication system 300.

And, the control device transmits information to the terminal device through the forward link and receives information from the terminal device through the reverse link.

It should be noted that the communication system 300 may be a PLMN network or a D2D network or an M2M network or other network. FIG. 3 is only a simplified schematic diagram of an example, and other devices may be included in the network, which are not shown in FIG. 3. In addition, the number of control devices, network devices, and terminal devices in the example shown in FIG. 3 is merely illustrative, and the present invention is not limited thereto.

In the embodiment of the present invention, the control device and the network device can communicate with the terminal device by using different access technologies (or air interfaces). For example, in the embodiment of the present invention, the control device can use the air interface A (for example, 4G). The air interface specified by the network communicates with the terminal device, and the network device can communicate with the terminal device using the air interface B (for example, an air interface specified by the 5G network), and the terminal device in the communication system 300 is configured with multiple wireless communication for each air interface. Protocol stack, from It is possible to communicate with control devices and network devices through different protocol stacks.

In addition, in the embodiment of the present invention, each protocol stack in the terminal device may share one or more protocol layers, for example, a PDCP layer, and the present invention is not particularly limited.

In the system 300, the first parameter set may be used by the network device 302 and the network device 304 to negotiate parameters such as a HARQ process ID for MAC layer processing, an RLC layer sequence number, and the like for RLC layer processing, and the negotiation is performed. The specific process and the method of using the first parameter set may be similar to the application in the network device 202 and the network device 204 of the system 200, and a detailed description thereof is omitted herein to avoid redundancy.

In the following, the processing object of the method 100 in the system 300, that is, the source of data processed by each network device will be mainly described in detail.

FIG. 6 is a schematic diagram showing the flow of data according to an embodiment of the present invention. As shown in FIG. 6, in the embodiment of the present invention, the first data packet may be processed by a PDCP layer by a control device (for example, an eNB in a 4G network). A data packet (also referred to as a PDCP PDU) that is generated and sent to a first network device (eg, an eNB in a 5G network), and the second data packet may be the first network device through the RLC layer, the MAC layer. And the data packet generated by the PHY layer after processing the first data packet.

And, the fourth data packet may be a data packet generated by the control device (for example, an eNB in the 4G network) after being processed by the PDCP layer and sent to the second network device (for example, an eNB in the 5G network) (also referred to as, The PDCP PDU), and the third data packet may be a data packet generated by the second network device processing the fourth data packet through the RLC layer, the MAC layer, and the PHY layer.

The HARQ process ID carried by the second network device in the intermediate data (ie, the MAC PDU) generated by processing the data through the MAC layer and the MAC PDU generated by the first network device processing the data through the MAC layer The relationship between the carried HARQ process IDs satisfies the relationship described in scenario 1 or scenario 2 above.

In addition, when the fourth data packet carries the same data as the first data packet, the RLC sequence number carried by the second network device in the intermediate data (ie, the RLC PDU) generated by processing the data through the RLC layer and the first network The RLC number carried by the device in the RLC PDU generated by processing the data through the RLC layer is the same.

FIG. 7 is a schematic diagram showing the flow of data according to an embodiment of the present invention. As shown in FIG. 7, in the embodiment of the present invention, the first data packet may be processed by the RLC layer by a control device (for example, an eNB in a 4G network). a data packet (also referred to as an RLC PDU) that is generated and sent to a first network device (eg, an eNB in a 5G network), and the second data packet may be the first network device The data packet generated after processing the first data packet through the MAC layer and the PHY layer.

And, the fourth data packet may be a data packet generated by the first network device (for example, an eNB in the 4G network) after being processed by the RLC layer and sent to the second network device (for example, an eNB in the 5G network) (also referred to as an eNB in the 5G network). For example, the RLC PDU), and the third data packet may be a data packet generated by the second network device processing the fourth data packet through the MAC layer and the PHY layer.

FIG. 8 is a schematic diagram showing the flow of data according to an embodiment of the present invention. As shown in FIG. 8, in the embodiment of the present invention, the fifth data packet may be processed by the PDCP layer by a control device (for example, an eNB in a 4G network). a data packet (which may also be referred to as a PDCP PDU) that is generated and sent to a second network device (eg, an eNB in a 5G network), and the first data packet may be the second network device through the RLC layer. Five packets are processed and sent to a packet of a first network device (e.g., an eNB in a 5G network). The second data packet may be a data packet generated by the second network device after processing the first data packet through the MAC layer and the PHY layer.

In addition, when the fourth data packet and the fifth data (or the first data packet) packet carry the same data, the second network device generates intermediate data (ie, RLC PDU) generated by processing the data through the RLC layer. The carried RLC sequence number is the same as the RLC sequence number carried by the RLC PDU generated by the first network device to process the data through the RLC layer.

It should be noted that, in the embodiment of the present invention, when the HARQ process ID used by the first network device is different from the HARQ process ID used by the second network device, the first network device and the second network device may be pre-defined. The HARQ process ID used, for example, if The number of HARQ processes is 8, for example, the HARQ process ID is 1 to 8. The first network device can be configured to use the HARQ process ID of 1 to 4, and the second network device uses the HARQ process ID of 5 to 8. The HARQ process.

In addition, the same data sent by the server to the terminal device may be sent by both the first network device and the second network device to the terminal device (ie, the second data packet and the third data packet bear the same data). In this case, the second data packet and the third data packet may be transmitted between the network device and the terminal device by using Coordinated Multiple Points Transmission/Reception (CoMP).

Alternatively, the same data sent by the server to the terminal device may also be sent to the terminal device by any one of the first network device and the second network device (ie, the second data packet and the third data packet carry different data). In this case, the second data packet and the third data packet may be transmitted between the network device and the terminal device by using a multiple-input multiple-output (MIMO).

9 shows a schematic flow diagram of a method 400 of wireless communication in accordance with another embodiment of the present invention, the method 400 being performed in a communication system including at least two network devices, wherein The first network device and the second network device are configured in the same frequency, and the first network device and the second network device have a first protocol layer set, where the first protocol layer set includes protocol layers in the first network device and The radio resource-specific configuration in the second network device is the same. The first protocol layer set includes at least a media access control MAC layer and a physical PHY layer. As shown in FIG. 9, the method 400 includes:

S410. The second network device generates, according to the first parameter set and the first protocol layer set, and sends a third data packet to the terminal device.

S420, the second network device sends the indication information of the first parameter set to the first network device, where the first parameter set includes at least parameters of the MAC layer, and the parameters of the MAC layer at least include a hybrid automatic repeat request process identifier. a HARQ process ID, so that the first network device processes the first data packet by using the first protocol layer set according to the first parameter set to generate and send a second data packet to the terminal device device, where The first data packet is a data packet that is not processed by the first protocol layer set, and the HARQ process ID of the second data packet is the same as or different from the HARQ process ID of the third data packet.

Optionally, the method further includes:

The second network device sends the indication information of the sending moment to the first network device, so as to facilitate the Determining, by the first network device, the sending time of the second data packet according to the indication information of the sending time,

Optionally, the method further includes:

The second network device sends resource block assignment information to the first network device, so that the first network device determines, according to the resource block assignment information, a frequency domain resource block that carries the second data packet;

Optionally, the second network device generates, according to the first parameter set and the first protocol layer set, and sends the third data packet to the terminal device, including:

The second network device processes the fourth data packet according to the first parameter set and the first protocol layer set to generate a third data packet,

The second network device processes the first data packet according to the first parameter set and the first protocol layer set to generate a third data packet.

Optionally, the method further includes:

The second network device sends the indication information of the sending moment and the resource block assignment information to the first network device, so that the first network device determines, according to the indication information of the sending moment, the sending moment of the second data packet, and according to the The resource block assignment information determines a frequency domain resource block that carries the second data packet,

Optionally, the first protocol layer set further includes a radio link control RLC layer, where the first parameter set further includes parameters of the RLC layer, and the parameters of the RLC layer include at least an RLC layer sequence number, and

Optionally, the first data packet is a data packet generated after being processed by the PDCP layer of the packet data convergence protocol,

And sending, by the second network device, the indication information of the first parameter set to the first network device, including:

The second network device sends the mapping relationship between the PDCP layer sequence number of the first data packet and the RLC layer sequence number to the first network device, so that the second network device is in the PDCP layer according to the first data packet. After the sequence number and the mapping relationship information are determined, the first data packet is processed by the first protocol layer set to generate a second data packet according to the RLC layer sequence number.

Optionally, the method further includes:

The second network device sends the indication information of the first time-frequency resource to the terminal device, where the first time-frequency resource is used to carry the second data packet, so that the terminal device is configured according to the indication information of the first time-frequency resource and And indicating, by the second time-frequency resource, the second data packet and the third data packet, where the second time-frequency resource is used to carry the third data packet.

The actions and functions of the first network device in the method 400 are similar to the actions and functions of the first network device (eg, the target network device #A) in the method 100, and the actions and functions of the second network device in the method 400 are The actions and functions of the second network device (eg, source network device #B) in the method 100 are similar, and the actions and functions of the terminal device in the method 400 are similar to the actions and functions of the terminal device in the method 100. Here, in order to avoid redundancy, a detailed description thereof will be omitted.

A method for wireless communication according to an embodiment of the present invention, by causing a first network device to acquire indication information indicating a first parameter set of a HARQ process ID, and processing based on the first parameter set to generate a second data packet, and The second network device performs processing according to the first parameter set to generate a second data packet, and can adjust the correspondence between the HARQ process ID of the second data packet and the HARQ process ID of the third data packet according to actual needs (same or different Therefore, it is possible to avoid an error in the HARQ process caused by an error in the correspondence between the HARQ process ID of the second data packet and the HARQ process ID of the third data packet, thereby improving the reliability and accuracy of the wireless communication.

FIG. 10 shows a schematic flowchart of a method 500 of wireless communication according to still another embodiment of the present invention, the method 500 being performed in a communication system including at least two network devices, wherein the at least two network devices The first network device and the second network device are configured in the same frequency, and the first network device and the second network device have a first protocol layer set, and the first protocol layer set includes The negotiation layer is the same as the radio resource dedicated configuration in the first network device and the second network device, where the first protocol layer set includes at least a media access control MAC layer and a physical PHY layer, as shown in FIG. 10, the method 500 include:

S510: The terminal device receives the indication information of the first time-frequency resource and the indication information of the second time-frequency resource, where the first time-frequency resource is used to carry the second data packet, and the second time-frequency resource is used to carry the third a data packet, the second data packet is generated by the first network device processing the first data packet by using the first protocol layer set according to the first parameter set, where the third data packet is the second network device And generating, according to the first parameter set and the first protocol layer set, the sending time of the second data packet is the same as the sending time of the third data packet, and carrying the second data The frequency domain resource block of the packet is the same as the frequency domain resource block carrying the third data packet, and the HARQ process ID of the second data packet is the same as the HARQ process ID of the third data packet;

S520. The terminal device combines the second data packet and the third data packet according to the indication information of the first time-frequency resource and the indication information of the second time-frequency resource.

The actions and functions of the first network device in the method 500 are similar to the actions and functions of the first network device (eg, the target network device #A) in the method 100, and the actions and functions of the second network device in the method 500 are The actions and functions of the second network device (for example, the source network device #B) in the method 100 are similar, and the actions and functions of the terminal device in the method 500 are similar to the actions and functions of the terminal device in the method 100. Here, in order to avoid redundancy, a detailed description thereof will be omitted.

FIG. 11 shows a schematic block diagram of an apparatus 600 for wireless communication in accordance with an embodiment of the present invention. The device 600 is configured in the same frequency as the second network device, and the device 600 and the second network device have a first protocol layer set, and the protocol layers included in the first protocol layer set are in the device and the second network device. The radio resource dedicated configuration is the same. The first protocol layer set includes at least a media access control MAC layer and a physical PHY layer. As shown in FIG. 11, the apparatus 600 includes:

The receiving unit 610 is configured to receive indication information of the first parameter set and the first data packet, where the first parameter set includes at least parameters of the MAC layer, and the parameters of the MAC layer include at least a hybrid automatic repeat request process identifier (HARQ process ID) The first data packet is a data packet that is not processed by the first protocol layer set;

The processing unit 620 is configured to process, according to the first parameter set, the first data packet by using the first protocol layer set to generate a second data packet, where the HARQ process ID of the second data packet is the third The HARQ process ID of the data packet is the same or different, and the third data packet is a data packet that is generated by the second network device according to the first parameter set and the first protocol layer set and sent to the terminal device;

The sending unit 630 is configured to send the second data packet to the terminal device.

Optionally, the receiving unit is further configured to receive indication information of a sending moment;

The processing unit is further configured to determine, according to the indication information of the sending time, a sending moment of the second data packet, where the second time when the sending time of the second data packet is different from the sending time of the third data packet, the second The HARQ process ID of the data packet is different from the HARQ process ID of the third data packet.

Optionally, the receiving unit is further configured to receive resource block assignment information;

The processing unit is further configured to determine, according to the resource block assignment information, a frequency domain resource block that carries the second data packet, where the frequency domain resource block that carries the second data packet and the frequency domain that carries the third data packet When the resource blocks are different, the HARQ process ID of the second data packet is different from the HARQ process ID of the third data packet.

Optionally, the receiving unit is further configured to: receive, by the device, indication information of the sending moment and resource block assignment information;

The processing unit is further configured to determine, according to the indication information of the sending moment, a sending moment of the second data packet, and determine, according to the resource block assignment information, a frequency domain resource block that carries the second data packet, and when the first The sending time of the second data packet is the same as the sending time of the third data packet, and the bearer When the frequency domain resource block of the second data packet is the same as the frequency domain resource block carrying the third data packet, the HARQ process ID of the second data packet is the same as the HARQ process ID of the third data packet.

The receiving unit is specifically configured to: receive, by the device, mapping relationship information between a PDCP layer sequence number of the first data packet and a sequence number of the RLC layer;

The processing unit is specifically configured to: after determining, according to the PDCP layer sequence number and the mapping relationship information of the first data packet, the second network device, by using the first protocol layer set, according to the RLC layer sequence number, The first data packet is processed to generate a second data packet.

Optionally, the sending unit is further configured to send the indication information of the first time-frequency resource to the terminal device, where the first time-frequency resource is used to carry the second data packet, so that the terminal device is configured according to the first time-frequency. The indication information of the resource and the indication information of the second time-frequency resource, the second data packet and the third data packet are combined, and the second time-frequency resource is used to carry the third data packet.

Optionally, the receiving unit is specifically configured to receive indication information of the first parameter set sent by the second network device; or

The receiving unit is specifically configured to receive indication information for controlling a first parameter set sent by the device and the control device of the second network device.

Each unit or module in the apparatus 600 is configured to perform the actions and functions performed by the first network device (eg, the target network device #A) in the foregoing method 100, and the actions and functions of the second network device are in the method 100 described above. The action and function of the second network device (for example, the source network device #B) are similar, and the actions and functions of the terminal device are similar to those of the terminal device in the above method 100, and are omitted here for avoiding redundancy. Detailed description.

An apparatus for wireless communication according to an embodiment of the present invention, by causing a first network device to acquire indication information indicating a first parameter set of a HARQ process ID, and performing processing based on the first parameter set to generate a second data packet, and The second network device performs processing according to the first parameter set to generate a second data packet, and can adjust the correspondence between the HARQ process ID of the second data packet and the HARQ process ID of the third data packet according to actual needs (same or different ), thus, can It is avoided that an error occurs in the HARQ process due to an error in the correspondence between the HARQ process ID of the second data packet and the HARQ process ID of the third data packet, thereby improving the reliability and accuracy of the wireless communication.

FIG. 12 shows a schematic block diagram of an apparatus 700 for wireless communication in accordance with another embodiment of the present invention. The first network device is configured in the same frequency as the device 700, and the first network device and the device 700 have a first protocol layer set, and the protocol layers included in the first protocol layer set are in the first network device and the device. The radio resource dedicated configuration is the same. The first protocol layer set includes at least a media access control MAC layer and a physical PHY layer. As shown in FIG. 12, the apparatus 700 includes:

The processing unit 710 is configured to generate a third data packet according to the first parameter set and the first protocol layer set.

The sending unit 720 is configured to send the indication information of the first parameter set to the first network device, and send the third data packet to the terminal device, where the first parameter set includes at least parameters of the MAC layer, where the MAC layer The parameter includes at least a hybrid automatic repeat request process identifier (HARQ process ID), so that the first network device processes the first data packet by using the first protocol layer set according to the first parameter set to generate and send to the terminal device. Sending a second data packet, where the first data packet is a data packet that is not processed by the first protocol layer set, and the HARQ process ID of the second data packet is the same as or different from the HARQ process ID of the third data packet.

Optionally, the sending unit is further configured to send the indication information of the sending moment to the first network device, so that the first network device determines, according to the indication information of the sending moment, the sending moment of the second data packet,

Optionally, the sending unit is further configured to send resource block assignment information to the first network device, so that the first network device determines, according to the resource block assignment information, a frequency domain resource block that carries the second data packet;

Optionally, the processing unit is configured to process the fourth data packet according to the first parameter set and the first protocol layer set to generate a third data packet, where

And, when the data carried by the first data packet is different from the data carried by the fourth data packet, The HARQ process ID of the second data packet is different from the HARQ process ID of the third data packet.

Optionally, the processing unit is configured to process the first data packet according to the first parameter set and the first protocol layer set to generate a third data packet.

Optionally, the sending unit is further configured to send the indication information of the sending moment and the resource block assignment information to the first network device, so that the first network device determines, according to the indication information of the sending moment, the second data packet. Sending a time, and determining a frequency domain resource block carrying the second data packet according to the resource block assignment information,

The sending unit is specifically configured to send the mapping relationship between the PDCP layer sequence number of the first data packet and the RLC layer sequence number to the first network device, so that the device is in the PDCP layer sequence number according to the first data packet. After determining the RLC layer sequence number, the mapping relationship information is processed by the first protocol layer set according to the RLC layer sequence to generate a second data packet.

Each unit or module in the apparatus 700 is configured to perform the actions and functions performed by the second network device (eg, the source network device #B) in the foregoing method 100, and the actions and functions of the first network device are in the foregoing method 100. The action and function of the second network device (for example, the target network device #A) are similar, and the actions and functions of the terminal device are similar to those of the terminal device in the above method 100, and are omitted here for avoiding redundancy. Detailed description.

An apparatus for wireless communication according to an embodiment of the present invention, by causing a first network device to acquire a signifier An indication information indicating a first parameter set of the HARQ process ID, and processing is performed based on the first parameter set to generate a second data packet, and the second network device performs processing based on the first parameter set to generate a second data packet, The corresponding relationship (same or different) of the HARQ process ID of the second data packet and the HARQ process ID of the third data packet can be adjusted according to actual needs, so that the HARQ process ID and the third data packet of the second data packet can be avoided. The correspondence between the HARQ process ID of the data packet is incorrect, causing an error in the HARQ processing, thereby improving the reliability and accuracy of the wireless communication.

13 is a schematic block diagram of an apparatus 800 for wireless communication, the apparatus 800 being configured in a communication system including at least two network devices, wherein a first one of the at least two network devices, in accordance with still another embodiment of the present invention The device is configured in the same frequency as the second network device, and the first network device and the second network device have a first protocol layer set, where the first protocol layer set includes a protocol layer in the first network device and the second The radio resource dedicated configuration in the network device is the same. The first protocol layer set includes at least a media access control MAC layer and a physical PHY layer, and the device 800 includes:

The receiving unit 810 is configured to receive the indication information of the first time-frequency resource and the indication information of the second time-frequency resource, where the first time-frequency resource is used to carry the second data packet, and the second time-frequency resource is used for carrying a third data packet, the second data packet is generated by the first network device processing the first data packet by using the first protocol layer set according to the first parameter set, where the third data packet is the second data packet And generating, by the network device, the first data packet according to the first parameter set and the first protocol layer set, where the sending time of the second data packet is the same as the sending time of the third data packet, and carrying the first The frequency domain resource block of the second data packet is the same as the frequency domain resource block carrying the third data packet, and the HARQ process ID of the second data packet is the same as the HARQ process ID of the third data packet;

The processing unit 820 is configured to perform processing on combining the second data packet and the third data packet according to the indication information of the first time-frequency resource and the indication information of the second time-frequency resource.

Each unit or module in the device 800 is configured to perform the actions and functions performed by the terminal device in the foregoing method 100, and the first network device in the method 100 (for example, the target network device # The actions and functions of the second network device are similar to those of the second network device (for example, the source network device #B) in the above method 100, and detailed descriptions are omitted herein for avoiding redundancy. .

An apparatus for wireless communication according to an embodiment of the present invention, by causing a first network device to acquire indication information indicating a first parameter set of a HARQ process ID, and performing processing based on the first parameter set to generate a second data packet, and The second network device processes based on the first parameter set The second data packet is generated, and the correspondence between the HARQ process ID of the second data packet and the HARQ process ID of the third data packet is adjusted (same or different) according to actual needs, so that the second data packet can be avoided. The correspondence between the HARQ process ID and the HARQ process ID of the third data packet is incorrect, causing an error in the HARQ processing, thereby improving the reliability and accuracy of the wireless communication.

FIG. 14 is a schematic structural diagram of an apparatus 900 for wireless communication according to an embodiment of the present invention. The device 900 is configured in the same frequency as the second network device, and the device 900 and the second network device have a first protocol layer set, and the protocol layers included in the first protocol layer set are in the device 900 and the second network device. The radio resource dedicated configuration is the same. The first protocol layer set includes at least a media access control MAC layer and a physical PHY layer. As shown in FIG. 14, the device 900 includes: a processor 910 and a transceiver 920, a processor 910 and a transceiver. Connected to 920, optionally, the device 900 also includes a memory 930 that is coupled to the processor 910. Further optionally, the device 900 includes a bus system 940. The processor 910, the memory 930, and the transceiver 920 can be connected by a bus system 940, which can be used to store instructions for executing instructions stored in the memory 930 to control the transceiver 920 to receive information or signal;

The processor 910 is configured to control the transceiver 920 to receive the indication information of the first parameter set and the first data packet, where the first parameter set includes at least parameters of the MAC layer, and the parameters of the MAC layer include at least a hybrid automatic repeat request. The process identifier is a HARQ process ID, and the first data packet is a data packet that is not processed by the first protocol layer set;

The processor 910 is configured to process, by using the first set of protocol layers, the first data packet to generate a second data packet, where the second data packet has a HARQ process ID and a third data packet according to the first parameter set. The HARQ process ID of the data packet is the same or different, and the third data packet is a data packet that is generated by the second network device according to the first parameter set and the first protocol layer set and sent to the terminal device;

The processor 910 is configured to control the transceiver 920 to send the second data packet to the terminal device.

Optionally, the processor 910 is further configured to control the transceiver 920 to receive indication information of a sending moment;

The processor 910 is further configured to determine, according to the indication information of the sending time, a sending time of the second data packet, where the sending time of the second data packet is different from the sending time of the third data packet, The HARQ process ID of the second data packet is different from the HARQ process ID of the third data packet.

Optionally, the processor 910 is further configured to control the transceiver 920 to receive resource block assignment information;

The processor 910 is further configured to determine, according to the resource block assignment information, a frequency domain resource block that carries the second data packet, where the frequency domain resource block that carries the second data packet and the frequency that carries the third data packet When the domain resource blocks are different, the HARQ process ID of the second data packet is different from the HARQ process ID of the third data packet.

Optionally, the processor 910 is further configured to control the transceiver 920 to receive the indication information of the sending moment and the resource block assignment information;

The processing unit is further configured to determine, according to the indication information of the sending moment, a sending moment of the second data packet, and determine, according to the resource block assignment information, a frequency domain resource block that carries the second data packet, and when the first The sending time of the second data packet is the same as the sending time of the third data packet, and when the frequency domain resource block carrying the second data packet is the same as the frequency domain resource block carrying the third data packet, the second data packet is The HARQ process ID is the same as the HARQ process ID of the third data packet.

The processor 910 is further configured to control, by the transceiver 920, the mapping relationship between the PDCP layer sequence number of the first data packet and the RLC layer sequence number;

The processor 910 is specifically configured to: after determining the RLC layer sequence number according to the PDCP layer sequence number and the mapping relationship information of the first data packet, according to the RLC layer sequence number, the first data layer set, the first data The packet is processed to generate a second data packet.

Optionally, the processor 910 is further configured to control the transceiver 920 to send indication information of the first time-frequency resource to the terminal device, where the first time-frequency resource is used to carry the second data packet, to facilitate the terminal. The terminal device performs a combining process on the second data packet and the third data packet according to the indication information of the first time-frequency resource and the indication information of the second time-frequency resource, where the second time-frequency resource is used to carry the third data packet. data pack.

Optionally, the processor 910 is specifically configured to control the transceiver 920 to receive indication information of the first parameter set sent by the second network device; or

The processor 910 is specifically configured to control the transceiver 920 to receive indication information for controlling a first parameter set sent by the device and the control device of the second network device.

It should be understood that, in the embodiment of the present invention, the processor 910 may be a central processing unit ("CPU"), and the processor 910 may also be other general-purpose processors, digital signal processors (DSPs). , an application specific integrated circuit (ASIC), an off-the-shelf programmable gate array (FPGA) or other programmable logic device, discrete gate or transistor logic device, discrete hardware component, and the like. The general purpose processor may be a microprocessor or the processor or any conventional processor or the like.

The memory 930 can include read only memory and random access memory and provides instructions and data to the processor 910. A portion of the memory 930 may also include a non-volatile random access memory. For example, the memory 930 can also store information of the device type.

The bus system 940 may include a power bus, a control bus, a status signal bus, and the like in addition to the data bus. However, for clarity of description, various buses are labeled as bus system 940 in the figure.

In the implementation process, each step of the foregoing method may be completed by an integrated logic circuit of hardware in the processor 910 or an instruction in a form of software. The steps of the method disclosed in the embodiments of the present invention may be directly implemented as a hardware processor, or may be performed by a combination of hardware and software modules in the processor. The software module can be located in a conventional storage medium such as random access memory, flash memory, read only memory, programmable read only memory or electrically erasable programmable memory, registers, and the like. The storage medium is located in the memory 930, and the processor 910 reads the information in the memory 930 and completes the steps of the above method in combination with its hardware. To avoid repetition, it will not be described in detail here.

The device 900 for wireless communication according to an embodiment of the present invention may correspond to a first network device (eg, target network device #A) in the method of the embodiment of the present invention, and each unit in the device 900 of the wireless communication is a module and The other operations and/or functions described above are respectively implemented in order to implement the corresponding actions and functions of the first network device in the method 100 of FIG. 1. For brevity, no further details are provided herein.

An apparatus for wireless communication according to an embodiment of the present invention, by causing a first network device to acquire indication information indicating a first parameter set of a HARQ process ID, and based on the first parameter set The processing is performed to generate a second data packet, and the second network device performs processing based on the first parameter set to generate a second data packet, and the HARQ process ID and the third data packet of the second data packet can be adjusted according to actual needs. The corresponding relationship of the HARQ process IDs (same or different), thereby avoiding an error in the HARQ process caused by an error in the correspondence between the HARQ process ID of the second data packet and the HARQ process ID of the third data packet, and further, Improve the reliability and accuracy of wireless communications.

FIG. 15 is a schematic structural diagram of an apparatus 1000 for wireless communication according to an embodiment of the present invention. The device 1000 is configured in the same frequency as the first network device, and the device 1000 and the first network device have a first protocol layer set, and the protocol layers included in the first protocol layer set are in the device 1000 and the first network device. The radio resource dedicated configuration is the same. The first protocol layer set includes at least a media access control MAC layer and a physical PHY layer. As shown in FIG. 15, the device 1000 includes: a processor 1010 and a transceiver 1020, and the processor 1010 and the transceiver. 1020 is connected. Optionally, the device 1000 further includes a memory 1030. The memory 1030 is coupled to the processor 1010. Further optionally, the device 1000 includes a bus system 1040. The processor 1010, the memory 1030, and the transceiver 1020 can be connected by a bus system 1040. The memory 1030 can be used to store instructions for executing the instructions stored by the memory 1030 to control the transceiver 1020 to receive information or signal;

The processor 1010 is configured to generate a third data packet according to the first parameter set and the first protocol layer set.

The processor 1010 is configured to control the transceiver 1020 to send the indication information of the first parameter set to the first network device, and send the third data packet to the terminal device, where the first parameter set includes at least parameters of the MAC layer. The parameter of the MAC layer includes at least a hybrid automatic repeat request process identifier (HARQ process ID), so that the first network device processes the first data packet by using the first protocol layer set according to the first parameter set to generate And sending a second data packet to the terminal device, where the first data packet is a data packet that is not processed by the first protocol layer set, and the HARQ process ID of the second data packet and the HARQ process ID of the third data packet Same or different.

Optionally, the processor 1010 is further configured to control the transceiver 1020 to send the indication information of the sending moment to the first network device, so that the first network device determines the second data packet according to the indication information of the sending moment. Sending moment,

Optionally, the processor 1010 is further configured to control the transceiver 1020 to send resource block assignment information to the first network device, so that the first network device determines, according to the resource block assignment information, that the second data packet is carried. Frequency domain resource block;

Optionally, the processor 1010 is specifically configured to process, according to the first parameter set and the first protocol layer set, the fourth data packet to generate a third data packet, where

Optionally, the processor 1010 is specifically configured to process the first data packet according to the first parameter set and the first protocol layer set to generate a third data packet.

Optionally, the processor 1010 is further configured to control the transceiver 1020 to send the indication information of the sending moment and the resource block assignment information to the first network device, so that the first network device determines, according to the indication information of the sending moment. Determining a transmission time of the second data packet, and determining, according to the resource block assignment information, a frequency domain resource block that carries the second data packet,

The processor 1010 is specifically configured to control, by the transceiver 1020, the mapping relationship between the PDCP layer sequence number of the first data packet and the RLC layer sequence number to the first network device, so that the device is based on the first data. After determining the RLC layer sequence number, the PDCP layer sequence number of the packet and the mapping relationship information are processed according to the RLC layer sequence to process the first data packet to generate a second data packet.

Optionally, the processor 1010 is further configured to control the transceiver 1020 to send the terminal to the terminal device. The first time-frequency resource is used to carry the second data packet, so that the terminal device can use the indication information of the first time-frequency resource and the indication information of the second time-frequency resource to The second data packet and the third data packet are combined, and the second time-frequency resource is used to carry the third data packet.

It should be understood that, in the embodiment of the present invention, the processor 1010 may be a central processing unit ("CPU"), and the processor 1010 may also be other general-purpose processors, digital signal processors (DSPs). , an application specific integrated circuit (ASIC), an off-the-shelf programmable gate array (FPGA) or other programmable logic device, discrete gate or transistor logic device, discrete hardware component, and the like. The general purpose processor may be a microprocessor or the processor or any conventional processor or the like.

The memory 1030 can include read only memory and random access memory and provides instructions and data to the processor 1010. A portion of the memory 1030 can also include a non-volatile random access memory. For example, the memory 1030 can also store information of the device type.

The bus system 1040 may include a power bus, a control bus, a status signal bus, and the like in addition to the data bus. However, for clarity of description, various buses are labeled as bus system 1040 in the figure.

In the implementation process, each step of the foregoing method may be completed by an integrated logic circuit of hardware in the processor 1010 or an instruction in a form of software. The steps of the method disclosed in the embodiments of the present invention may be directly implemented as a hardware processor, or may be performed by a combination of hardware and software modules in the processor. The software module can be located in a conventional storage medium such as random access memory, flash memory, read only memory, programmable read only memory or electrically erasable programmable memory, registers, and the like. The storage medium is located in the memory 1030, and the processor 1010 reads the information in the memory 1030 and performs the steps of the above method in combination with its hardware. To avoid repetition, it will not be described in detail here.

The device 1000 for wireless communication according to an embodiment of the present invention may correspond to a second network device (for example, source network device #B) in the method of the embodiment of the present invention, and each unit in the device 1000 for wireless communication is a module and The other operations and/or functions described above are respectively implemented in order to implement the corresponding actions and functions of the second network device in the method 400 of FIG. 9, and are not described herein for brevity.

An apparatus for wireless communication according to an embodiment of the present invention, by causing a first network device to acquire indication information indicating a first parameter set of a HARQ process ID, and processing based on the first parameter set to generate a second data packet, and The second network device performs processing according to the first parameter set to generate a second data packet, and can adjust the correspondence between the HARQ process ID of the second data packet and the HARQ process ID of the third data packet according to actual needs (same or different ), thus, can It is avoided that an error occurs in the HARQ process due to an error in the correspondence between the HARQ process ID of the second data packet and the HARQ process ID of the third data packet, thereby improving the reliability and accuracy of the wireless communication.

FIG. 16 shows a schematic structural diagram of an apparatus 1100 for wireless communication according to still another embodiment of the present invention. As shown in FIG. 14, the device 1100 includes a processor 1110 and a transceiver 1120. The processor 1110 is connected to the transceiver 1120. Optionally, the device 1100 further includes a memory 1130. The memory 1130 is connected to the processor 1110. Optionally, the device 1100 includes a bus system 1140. The processor 1110, the memory 1130, and the transceiver 1120 may be connected by a bus system 1140, where the memory 1130 may be used to store instructions, and the processor 1110 is configured to execute instructions stored by the memory 1130 to control the transceiver 1120 to receive information or signal;

The processor 1110 is configured to control the transceiver 1120 to receive the indication information of the first time-frequency resource and the indication information of the second time-frequency resource, where the first time-frequency resource is used to carry the second data sent by the first network device. a packet, the second time-frequency resource is configured to carry a third data packet sent by the second network device, where the second data packet is generated by the first network device processing the first data packet according to the first protocol layer set, The third data packet is generated by the second network device processing the first data packet according to the first protocol layer set, and the sending time of the second data packet is the same as the sending time of the third data packet, and The frequency domain resource block carrying the second data packet is the same as the frequency domain resource block carrying the third data packet, and the HARQ process ID of the second data packet is the same as the HARQ process ID of the third data packet, the first protocol layer Each protocol layer included in the set has the same radio resource specific configuration in the first network device and the second network device;

The processor 1110 is configured to perform a combining process on the second data packet and the third data packet according to the indication information of the first time-frequency resource and the indication information of the second time-frequency resource.

It should be understood that, in the embodiment of the present invention, the processor 1110 may be a central processing unit ("CPU"), and the processor 1110 may also be other general-purpose processors, digital signal processors (DSPs). , an application specific integrated circuit (ASIC), an off-the-shelf programmable gate array (FPGA) or other programmable logic device, discrete gate or transistor logic device, discrete hardware component, and the like. The general purpose processor may be a microprocessor or the processor or any conventional processor or the like.

The memory 1130 can include read only memory and random access memory and provides instructions and data to the processor 1110. A portion of the memory 1130 may also include a non-volatile random access memory. For example, the memory 1130 can also store information of the device type.

The bus system 1140 can include a power bus and control in addition to the data bus. Line and status signal bus, etc. However, for clarity of description, various buses are labeled as bus system 1140 in the figure.

In the implementation process, each step of the foregoing method may be completed by an integrated logic circuit of hardware in the processor 1110 or an instruction in a form of software. The steps of the method disclosed in the embodiments of the present invention may be directly implemented as a hardware processor, or may be performed by a combination of hardware and software modules in the processor. The software module can be located in a conventional storage medium such as random access memory, flash memory, read only memory, programmable read only memory or electrically erasable programmable memory, registers, and the like. The storage medium is located in the memory 1130, and the processor 1110 reads the information in the memory 1130 and completes the steps of the above method in combination with its hardware. To avoid repetition, it will not be described in detail here.

The device 1100 for wireless communication according to the embodiment of the present invention may correspond to the terminal device in the method of the embodiment of the present invention, and each unit in the device 1100 of the wireless communication, that is, the module and the other operations and/or functions described above are respectively implemented for The corresponding actions and functions of the terminal device in the method 500 of FIG. 10 are not repeated here for brevity.

An apparatus for wireless communication according to an embodiment of the present invention, by causing a first network device to acquire indication information indicating a first parameter set of a HARQ process ID, and processing based on the first parameter set to generate a second data packet, and The second network device performs processing according to the first parameter set to generate a second data packet, and can adjust the correspondence between the HARQ process ID of the second data packet and the HARQ process ID of the third data packet according to actual needs (same or different Therefore, it is possible to avoid an error in the HARQ process caused by an error in the correspondence between the HARQ process ID of the second data packet and the HARQ process ID of the third data packet, thereby improving the reliability and accuracy of the wireless communication.

It should be understood that, in various embodiments of the present invention, the size of the sequence numbers of the above processes does not mean the order of execution, and the order of execution of each process should be determined by its function and internal logic, and should not be directed to the embodiments of the present invention. The implementation process constitutes any limitation.

One of ordinary skill in the art will appreciate that the elements and algorithm steps of the various examples described in connection with the embodiments disclosed herein can be implemented in electronic hardware or a combination of computer software and electronic hardware. Whether these functions are performed in hardware or software depends on the specific application and design constraints of the solution. A person skilled in the art can use different methods for implementing the described functions for each particular application, but such implementation should not be considered to be beyond the scope of the present invention.

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 and the unit described above can be referred to the corresponding ones in the foregoing method embodiments. Cheng, will not repeat them here.

In the several embodiments provided by the present application, it should be understood that the disclosed systems, devices, and methods may be implemented in other manners. For example, the device embodiments described above are merely illustrative. For example, the division of the unit is only a logical function division. In actual implementation, there may be another division manner, for example, multiple units or components may be combined or Can be integrated into another system, or some features can be ignored or not executed. 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 an electrical, mechanical or other form.

The units described as separate components may or may not be physically separated, and the components displayed as 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 units may be selected according to actual needs to achieve the purpose of the solution of the embodiment.

In addition, each functional unit in each embodiment of the present invention may be integrated into one processing unit, or each unit may exist physically separately, or two or more units may be integrated into one unit.

The functions may be stored in a computer readable storage medium if implemented in the form of a software functional unit and sold or used as a standalone product. Based on such understanding, the technical solution of the present invention, which is essential or contributes to the prior art, or a part of the technical solution, may be embodied in the form of a software product, which is stored in a storage medium, including The instructions are used to cause a computer device (which may be a personal computer, server, or network device, etc.) to perform all or part of the steps of the methods described in various embodiments of the present invention. The foregoing storage medium includes: a U disk, a mobile hard disk, a read-only memory (ROM), a random access memory (RAM), a magnetic disk, or an optical disk, and the like. .

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 the invention should be determined by the scope of the appended claims.

Claims

A method of wireless communication, characterized in that it is performed in a communication system including at least two network devices, wherein a first one of the at least two network devices is configured in the same frequency as the second network device, and The first network device and the second network device have a first protocol layer set, and each protocol layer included in the first protocol layer set is dedicated to radio resources in the first network device and the second network device The configuration is the same, the first protocol layer set includes at least a media access control MAC layer and a physical PHY layer, and the method includes:

The first network device receives the indication information of the first parameter set, where the first parameter set includes at least parameters of the MAC layer, and the parameters of the MAC layer at least include a hybrid automatic repeat request process identifier (HARQ process ID);

Receiving, by the first network device, a first data packet, where the first data packet is a data packet that is not processed by the first protocol layer set;

The first network device processes the first data packet to generate a second data packet by using the first protocol layer set according to the first parameter set, where the HARQ process of the second data packet The ID is the same as or different from the HARQ process ID of the third data packet, where the third data packet is generated by the second network device according to the first parameter set and the first protocol layer set, and sent to the terminal device. Data packet

The first network device sends the second data packet to the terminal device.
The method of claim 1 further comprising:

Receiving, by the first network device, indication information of a sending moment;

Determining, by the first network device, a sending moment of the second data packet according to the indication information of the sending moment,

The HARQ process ID of the second data packet is different from the HARQ process ID of the third data packet when the sending time of the second data packet is different from the sending time of the third data packet.
The method according to claim 1 or 2, wherein the method further comprises:

The first network device receives resource block assignment information;

Determining, by the first network device, a frequency domain resource block that carries the second data packet according to the resource block assignment information,

Wherein, when the frequency domain resource block carrying the second data packet is different from the frequency domain resource block carrying the third data packet, the HARQ process ID of the second data packet and the third data packet The HARQ process ID is different.
The method according to any one of claims 1 to 3, wherein the third data packet is specifically the second network device according to the first parameter set and the first protocol layer set pair a packet generated by processing four packets,

And, when the data carried by the first data packet is different from the data carried by the fourth data packet, the HARQ process ID of the second data packet is different from the HARQ process ID of the third data packet.
The method according to any one of claims 1 to 3, wherein the third data packet is specifically the second network device according to the first parameter set and the first protocol layer set pair A data packet generated by processing the first data packet.
The method of claim 5, wherein the method further comprises:

Receiving, by the first network device, indication information of the sending moment and resource block assignment information;

Determining, by the first network device, the sending time of the second data packet according to the indication information of the sending time, and determining, according to the resource block assignment information, a frequency domain resource block that carries the second data packet,

And, when the sending time of the second data packet is the same as the sending time of the third data packet, and the frequency domain resource block carrying the second data packet and the frequency domain resource block carrying the third data packet When the same, the HARQ process ID of the second data packet is the same as the HARQ process ID of the third data packet.
The method according to claim 5 or 6, wherein the first protocol layer set further comprises a radio link control RLC layer, the first parameter set further comprising parameters of the RLC layer, the RLC layer The parameters include at least the RLC layer sequence number, and

The RLC layer sequence number of the second data packet is the same as the RLC layer sequence number of the third data packet.
The method according to claim 7, wherein the first data packet is a data packet generated after being processed by a packet data convergence protocol PDCP layer,

Receiving, by the first network device, the indication information of the first parameter set, including:

The first network device receives mapping relationship between a PDCP layer sequence number of the first data packet and the RLC layer sequence number;

The first network device processes the first data packet to generate a second data packet by using the first protocol layer set according to the first parameter set, including:

The first network device is in accordance with a PDCP layer sequence number of the first data packet and the mapping After the RLC layer sequence number is determined, the first data packet is processed by the first protocol layer set to generate a second data packet according to the RLC layer sequence number.
The method according to any one of claims 5 to 8, wherein the method further comprises:

The first network device sends the indication information of the first time-frequency resource to the terminal device, where the first time-frequency resource is used to carry the second data packet, so that the terminal device is configured according to the first time The indication information of the frequency resource and the indication information of the second time-frequency resource, the second data packet and the third data packet are combined, and the second time-frequency resource is used to carry the third data packet.
The method according to any one of claims 1 to 9, wherein the receiving, by the first network device, the indication information of the first parameter set comprises:

Receiving, by the first network device, indication information of a first parameter set sent by the second network device; or

The first network device receives indication information for controlling a first parameter set sent by the control device of the first network device and the second network device.
A method of wireless communication, characterized in that it is performed in a communication system including at least two network devices, wherein a first one of the at least two network devices is configured in the same frequency as the second network device, and The first network device and the second network device have a first protocol layer set, and each protocol layer included in the first protocol layer set is dedicated to radio resources in the first network device and the second network device The configuration is the same, the first protocol layer set includes at least a media access control MAC layer and a physical PHY layer, and the method includes:

Generating, by the second network device, the third data packet according to the first parameter set and the first protocol layer set, and sending the third data packet to the terminal device;

The second network device sends the indication information of the first parameter set to the first network device, where the first parameter set includes at least parameters of the MAC layer, and the parameters of the MAC layer include at least a hybrid automatic weight The requesting process identifies the HARQ process ID, so that the first network device processes the first data packet to generate and send to the terminal device device by using the first protocol layer set according to the first parameter set. a second data packet, wherein the first data packet is a data packet that is not processed by the first protocol layer set, and the HARQ process ID of the second data packet is the same as or different from the HARQ process ID of the third data packet. .
The method of claim 11 wherein the method further comprises:

Sending, by the second network device, indication information of a sending moment to the first network device, so that Determining, by the first network device, a sending moment of the second data packet according to the indication information of the sending moment,

The HARQ process ID of the second data packet is different from the HARQ process ID of the third data packet when the sending time of the second data packet is different from the sending time of the third data packet.
The method according to claim 11 or 12, wherein the method further comprises:

Transmitting, by the second network device, the resource block assignment information to the first network device, so that the first network device determines, according to the resource block assignment information, a frequency domain resource block that carries the second data packet;

The HARQ process ID of the second data packet and the HARQ process ID of the third data packet are different when the frequency domain resource block carrying the second data packet is different from the frequency domain resource block carrying the third data packet. different.
The method according to any one of claims 11 to 13, wherein the second network device generates and sends a third data packet to the terminal device according to the first parameter set and the first protocol layer set, including :

The second network device processes the fourth data packet according to the first parameter set and the first protocol layer set to generate a third data packet,

And, when the data carried by the first data packet is different from the data carried by the fourth data packet, the HARQ process ID of the second data packet is different from the HARQ process ID of the third data packet.
The method according to any one of claims 11 to 13, wherein the second network device generates and sends a third data packet to the terminal device according to the first parameter set and the first protocol layer set, including :

The second network device processes the first data packet according to the first parameter set and the first protocol layer set to generate a third data packet.
The method of claim 15 wherein the method further comprises:

The second network device sends the indication information of the sending moment and the resource block assignment information to the first network device, so that the first network device determines, according to the indication information of the sending moment, the second data packet. Transmitting a time, and determining, according to the resource block assignment information, a frequency domain resource block carrying the second data packet,

And, when the sending time of the second data packet is opposite to the sending time of the third data packet When the frequency domain resource block carrying the second data packet is the same as the frequency domain resource block carrying the third data packet, the HARQ process ID of the second data packet and the HARQ process ID of the third data packet the same.
The method according to claim 15 or 16, wherein the first protocol layer set further comprises a radio link control RLC layer, the first parameter set further comprising parameters of the RLC layer, the RLC layer The parameters include at least the RLC layer sequence number, and

The RLC layer sequence number of the second data packet is the same as the RLC layer sequence number of the third data packet.
The method according to claim 17, wherein the first data packet is a data packet generated after being processed by a packet data convergence protocol PDCP layer,

And the sending, by the second network device, the indication information of the first parameter set to the first network device, including:

Transmitting, by the second network device, the mapping relationship between the PDCP layer sequence number of the first data packet and the RLC layer sequence number to the first network device, so that the first network device is according to the a PDCP layer sequence number of the data packet and the mapping relationship information, after determining the RLC layer sequence number, processing the first data packet by using the first protocol layer set according to the RLC layer sequence number to generate a first Two packets.
The method according to any one of claims 15 to 18, wherein the method further comprises:

The second network device sends the indication information of the first time-frequency resource to the terminal device, where the first time-frequency resource is used to carry the second data packet, so that the terminal device is configured according to the first time The indication information of the frequency resource and the indication information of the second time-frequency resource, the second data packet and the third data packet are combined, and the second time-frequency resource is used to carry the third data packet.
A method of wireless communication, the method comprising:

The terminal device receives the indication information of the first time-frequency resource and the indication information of the second time-frequency resource, where the first time-frequency resource is used to carry the second data packet sent by the first network device, and the second time-frequency The resource is used to carry a third data packet sent by the second network device, where the second data packet is generated by the first network device processing the first data packet according to the first protocol layer set, where the third data packet is generated. The packet is generated by the second network device processing the first data packet according to the first protocol layer set, where a sending time of the second data packet is the same as a sending time of the third data packet, And the frequency domain resource block carrying the second data packet is the same as the frequency domain resource block carrying the third data packet, and the HARQ process ID of the second data packet and the HARQ of the third data packet The process ID is the same, and the protocol layers included in the first protocol layer set are the same in the radio resource-specific configuration in the first network device and the second network device;

And the terminal device performs a combining process on the second data packet and the third data packet according to the indication information of the first time-frequency resource and the indication information of the second time-frequency resource.
An apparatus for wireless communication, wherein the apparatus is configured in the same frequency as a second network device, and the apparatus and the second network device have a first protocol layer set, and the first protocol layer set includes Each of the protocol layers is the same as the radio resource-specific configuration in the device and the second network device, where the first protocol layer set includes at least a media access control MAC layer and a physical PHY layer, and the device includes:

a receiving unit, configured to receive indication information of the first parameter set and the first data packet, where the first parameter set includes at least parameters of the MAC layer, and the parameters of the MAC layer at least include a hybrid automatic repeat request process identifier HARQ Process ID, the first data packet is a data packet that is not processed by the first protocol layer set;

a processing unit, configured to process, by using the first set of protocol layers, the first data packet to generate a second data packet according to the first parameter set, where the HARQ process ID of the second data packet Same or different from the HARQ process ID of the third data packet, where the third data packet is generated by the second network device according to the first parameter set and the first protocol layer set and sent to the terminal device data pack;

And a sending unit, configured to send the second data packet to the terminal device.
The device according to claim 21, wherein the receiving unit is further configured to receive indication information of a sending moment;

The processing unit is further configured to determine, according to the indication information of the sending time, a sending moment of the second data packet, where, when the sending time of the second data packet is not the sending time of the third data packet Meanwhile, the HARQ process ID of the second data packet is different from the HARQ process ID of the third data packet.
The apparatus according to claim 21 or 22, wherein the receiving unit is further configured to receive resource block assignment information;

The processing unit is further configured to determine, according to the resource block assignment information, a frequency domain resource block that carries the second data packet, where the frequency domain resource block that carries the second data packet carries the third When the frequency domain resource blocks of the data packet are different, the HARQ process ID of the second data packet is different from the HARQ process ID of the third data packet.
The apparatus according to any one of claims 21 to 23, wherein the third data packet is specifically the second network device according to the first parameter set and the first protocol layer set pair a packet generated by processing four packets,

And, when the data carried by the first data packet is different from the data carried by the fourth data packet, the HARQ process ID of the second data packet is different from the HARQ process ID of the third data packet.
The device according to any one of claims 21 to 23, wherein the third data packet is specifically the second network device according to the first parameter set and the first protocol layer set pair A data packet generated by processing the first data packet.
The apparatus according to claim 25, wherein the receiving unit is further configured to receive indication information of the transmission time and resource block assignment information;

The processing unit is further configured to determine, according to the indication information of the sending moment, a sending moment of the second data packet, and determine, according to the resource block assignment information, a frequency domain resource block that carries the second data packet, And, when the sending time of the second data packet is the same as the sending time of the third data packet, and the frequency domain resource block carrying the second data packet and the frequency domain resource block carrying the third data packet When the same, the HARQ process ID of the second data packet is the same as the HARQ process ID of the third data packet.
The apparatus according to claim 25 or 26, wherein the first protocol layer set further comprises a radio link control RLC layer, the first parameter set further comprising parameters of the RLC layer, the RLC layer The parameters include at least the RLC layer sequence number, and

The RLC layer sequence number of the second data packet is the same as the RLC layer sequence number of the third data packet.
The apparatus according to claim 27, wherein said first data packet is a data packet generated after being processed by a packet data convergence protocol PDCP layer,

The receiving unit is specifically configured to receive mapping relationship information between a PDCP layer sequence number of the first data packet and the RLC layer sequence number;

The processing unit is specifically configured to: after determining the RLC layer sequence number according to the PDCP layer sequence number and the mapping relationship information of the first data packet, according to the RLC layer sequence number, by using the first protocol layer set, Processing the first data packet to generate a second data packet.
The device according to any one of claims 25 to 28, wherein the sending unit is further configured to send, to the terminal device, indication information of a first time-frequency resource, where the first time-frequency resource is used Carrying the second data packet, so that the terminal device is configured according to the first time-frequency resource The indication information and the indication information of the second time-frequency resource, the second data packet and the third data packet are combined, and the second time-frequency resource is used to carry the third data packet.
The device according to any one of claims 21 to 29, wherein the receiving unit is specifically configured to receive indication information of a first parameter set sent by the second network device; or

The receiving unit is specifically configured to receive indication information for controlling a first parameter set sent by the apparatus and the control device of the second network device.
An apparatus for wireless communication, wherein a first network device is configured in the same frequency as the device, and the first network device and the device have a first protocol layer set, and the first protocol layer set includes Each of the protocol layers has the same radio resource-specific configuration in the first network device and the device, and the first protocol layer set includes at least a media access control MAC layer and a physical PHY layer, and the device includes:

a processing unit, configured to generate a third data packet according to the first parameter set and the first protocol layer set;

a sending unit, configured to send the indication information of the first parameter set to the first network device, and send the third data packet to the terminal device, where the first parameter set includes at least parameters of the MAC layer, The parameter of the MAC layer includes at least a hybrid automatic repeat request process identifier (HARQ process ID), so that the first network device performs the first data packet by using the first protocol layer set according to the first parameter set. Processing to generate and send a second data packet to the terminal device, wherein the first data packet is a data packet that is not processed by the first protocol layer set, and the HARQ process ID of the second data packet is The HARQ process ID of the three data packets is the same or different.
The device according to claim 31, wherein the sending unit is further configured to send, to the first network device, indication information of a sending moment, so that the first network device is configured according to the indication information of the sending moment. Determining a transmission time of the second data packet,

The HARQ process ID of the second data packet is different from the HARQ process ID of the third data packet when the sending time of the second data packet is different from the sending time of the third data packet.
The apparatus according to claim 31 or 32, wherein the sending unit is further configured to send resource block assignment information to the first network device, so that the first network device allocates information according to the resource block. Determining a frequency domain resource block carrying the second data packet;

Wherein the frequency domain resource block carrying the second data packet and the frequency of carrying the third data packet When the domain resource blocks are different, the HARQ process ID of the second data packet is different from the HARQ process ID of the third data packet.
The apparatus according to any one of claims 31 to 33, wherein the processing unit is configured to process the fourth data packet according to the first parameter set and the first protocol layer set to generate the third data. package,

And, when the data carried by the first data packet is different from the data carried by the fourth data packet, the HARQ process ID of the second data packet is different from the HARQ process ID of the third data packet.
The apparatus according to any one of claims 31 to 33, wherein the processing unit is configured to process the first data packet according to a first parameter set and a first protocol layer set to generate a first Three packets.
The apparatus according to claim 35, wherein the sending unit is further configured to send indication information of the sending moment and resource block assignment information to the first network device, so that the first network device is configured according to the And transmitting the indication information of the time, determining a transmission time of the second data packet, and determining, according to the resource block assignment information, a frequency domain resource block that carries the second data packet,

And, when the sending time of the second data packet is the same as the sending time of the third data packet, and the frequency domain resource block carrying the second data packet and the frequency domain resource block carrying the third data packet When the same, the HARQ process ID of the second data packet is the same as the HARQ process ID of the third data packet.
The apparatus according to claim 35 or 36, wherein the first protocol layer set further comprises a radio link control RLC layer, the first parameter set further comprising parameters of the RLC layer, the RLC layer The parameters include at least the RLC layer sequence number, and

The RLC layer sequence number of the second data packet is the same as the RLC layer sequence number of the third data packet.
The apparatus according to claim 37, wherein said first data packet is a data packet generated after being processed by a packet data convergence protocol PDCP layer,

The sending unit is specifically configured to send, to the first network device, mapping relationship information between a PDCP layer sequence number of the first data packet and the RLC layer sequence number, so that the device is according to the first data. The PDCP layer sequence number of the packet and the mapping relationship information, after determining the RLC layer sequence number, processing, by using the first protocol layer set, the first data packet to generate second data according to the RLC layer sequence number package.
Apparatus according to any one of claims 35 to 38, wherein said hair The sending unit is further configured to send the indication information of the first time-frequency resource to the terminal device, where the first time-frequency resource is used to carry the second data packet, so that the terminal device is configured according to the first time-frequency. The indication information of the resource and the indication information of the second time-frequency resource, the second data packet and the third data packet are combined, and the second time-frequency resource is used to carry the third data packet.
A device for wireless communication, characterized in that the device comprises:

a receiving unit, configured to receive the indication information of the first time-frequency resource and the indication information of the second time-frequency resource, where the first time-frequency resource is used to carry the second data packet sent by the first network device, where The second time-frequency resource is configured to carry the third data packet sent by the second network device, where the second data packet is generated by the first network device processing the first data packet according to the first protocol layer set, where The third data packet is generated by the second network device processing the first data packet according to the first protocol layer set, and the sending time of the second data packet and the sending of the third data packet The time domain is the same, and the frequency domain resource block carrying the second data packet is the same as the frequency domain resource block carrying the third data packet, and the HARQ process ID of the second data packet and the HARQ process ID of the third data packet. Similarly, each protocol layer included in the first protocol layer set has the same radio resource specific configuration in the first network device and the second network device;

And a processing unit, configured to perform a combining process on the second data packet and the third data packet according to the indication information of the first time-frequency resource and the indication information of the second time-frequency resource.