WO2019047050A1

WO2019047050A1 - Method and apparatus for use in low latency communication user equipment and base station

Info

Publication number: WO2019047050A1
Application number: PCT/CN2017/100654
Authority: WO
Inventors: 蒋琦
Original assignee: 南通朗恒通信技术有限公司
Priority date: 2017-09-06
Filing date: 2017-09-06
Publication date: 2019-03-14
Also published as: CN108323228B; CN113452484A; CN108323228A; CN113452483A; CN113452484B

Abstract

Disclosed in the present application are a method and an apparatus for use in a low latency communication user equipment and base station. A UE first determines C1 first type cache sizes, and then receives C1 bit blocks in a first time window; the C1 bit blocks belong to a first transmission block; the duration of the first time window is equal to a first duration; at least one of {the upper limit of the number of bits that can be included in the first transmission block and the first duration} is used for determining the C1 first type cache sizes, the C1 first type cache sizes corresponding on a one-to-one basis to the C1 bit blocks; the first duration is equal to one of K candidate durations. By means of associating the first duration with the C1 first type cache sizes, when the UE supports multiple processes of different durations, the present application implements a rational allocation of cache sizes, improving overall performance.

Description

Method and device in user, base station used for low delay communication

Technical field

The present application relates to a transmission method and apparatus in a wireless communication system, and more particularly to a method and apparatus for transmitting wireless signals supporting low-latency communication.

Background technique

In the existing LTE (Long-term Evolution) and LTE-A (Long Term Evolution Advanced) systems, one transmission corresponds to one TTI (Transmission Time Interval), taking into account user equipment. RTT (Round Trip Time) between the base station and the base station. The user needs to support 8 HARQ (Hybrid Automatic Repeat Request) processes to ensure the transmission efficiency of parallel processing. . Since the maximum TBS (Transmission Block Size) transmitted on each TTI is the same, the user equipment allocates the same buffer for each process to ensure performance under Incremental Redundancy-based retransmission. .

In Release 14 and future 5G systems, user equipment will support multiple transmissions for different durations in a given time window; at the same time, user equipment will also support in a given time window. TTI and STTI (Short Transmission Time Interval) HARQ processes; accordingly, the new buffer allocation method needs to be redesigned to ensure that transmissions for different durations can be supported simultaneously.

Summary of the invention

The inventors found through research that a simple design method is to allocate the same cache size for each HARQ process supported by the user equipment, that is, a method similar to the existing LTE. However, one disadvantage of this method is that the maximum TBS corresponding to the STTI is not less than the maximum TBS corresponding to the TTI. The average cache size based on the number of HARQ processes will result in a reduction in performance for the TTI and allocation to the STTI. More cache.

With regard to the above design, the present application discloses a solution. In the absence of conflict, The features in the embodiments and embodiments in the user equipment of the present application can be applied to a base station and vice versa. The features of the embodiments and the embodiments of the present application may be combined with each other arbitrarily without conflict.

The present application discloses a method for use in a user equipment for low latency communication, characterized in that it comprises:

- determine C1 first class cache sizes;

Receiving C1 bit blocks in the first time window;

Wherein each of the C1 bit blocks includes a positive integer number of bits, the C1 bit blocks belong to a first transport block, and the C1 is a positive integer; the length of time of the first time window is equal to a length of time; at least one of an upper limit of the number of bits that the first transport block can contain, the first time length} is used to determine the C1 first class cache sizes, the C1 first A type of cache size corresponding to the C1 bit block, the C1 being a positive integer; the first time length being equal to one of K candidate time lengths, any of the K candidate time lengths The two time lengths are different, and the K is a positive integer greater than one.

As an embodiment, the foregoing method has the advantages that: by establishing the first time length and the C1 first class cache sizes, the first time length is considered in the cache allocation, that is, the STTI is occupied. The number of multi-carrier symbols is used to reasonably allocate the buffer size between HARQ processes corresponding to different durations, thereby improving the overall performance of the system and the utilization of the cache.

According to an aspect of the present application, the above method is characterized by comprising:

Receiving a second transport block in a second time window;

The time length of the second time window is equal to a second time length, and the second time length is one of the K candidate time lengths, the second time length and the first time length Differentily; the first transport block and the second transport block respectively correspond to a first size and a second size, the first size is not less than a sum of the C1 first type cache sizes, and the first size is For determining the C1 first class cache sizes; the maximum HARQ (Hybrid Automatic Repeat Request) process number for the first time length is a first integer, for the second time length The maximum number of HARQ processes is a second integer; the first size is related to at least one of {the first integer, the second integer}, the second size and {the first integer, the At least one of the second integer} turn off.

As an embodiment, the foregoing method has the following advantages: when the user equipment supports the first time length and the second time length, the first integer corresponding to the first time length and the The second integer corresponding to the second time length is used to determine the first size and the second size; that is, the user equipment considers the first integer and the first Two integers, and then reasonably allocate the cache to ensure that the two durations of the HARQ process can work normally.

As an embodiment, the user equipment further includes:

- determine C2 second class cache sizes;

The second transport block includes C2 bit blocks, each of the C2 bit blocks includes a positive integer number of bits, {the upper limit of the number of bits that the second transport block can contain, At least one of the second time lengths} is used to determine the C2 second class buffer sizes, the C2 second class buffer sizes being in one-to-one correspondence with the C2 bit blocks, the C2 being a positive integer.

According to an aspect of the present application, the above method is characterized in that the first bit block is one of the C1 bit blocks, and the user equipment stores the location when the transmission of the first bit block is not correctly received. The number of bits in the first bit block is not less than the first memory block size, and the first buffer size is used to determine the first memory block size, where the first cache size is in the C1 first class cache size The first type of cache size corresponding to the first block of bits.

According to an aspect of the present application, the method is characterized in that the C1 bit block generates a first wireless signal, and the duration of the first wireless signal in the time domain is equal to the first time length; the first time The length corresponds to a first cropping factor, and the first size is related to the first cropping factor.

As an embodiment, the foregoing method has the following advantages: introducing the first cropping factor, and the first cropping factor is related to a maximum TBS supported by the user equipment in the first time length, and then when the maximum When the maximum TBS of the TBS is smaller than the normal TTI, the first clipping factor effectively reduces the buffer allocated to the first time length to accommodate the smaller maximum TBS, and improves the cache utilization efficiency.

According to an aspect of the present application, the method is characterized in that the second transport block comprises C2 bit blocks, and the C2 bit blocks generate a second wireless signal, the duration of the second wireless signal in the time domain is The second length of time; the second length of time corresponds to the second a cropping factor, the second size being related to at least one of {the first cropping factor, the second cropping factor}.

As an embodiment, the foregoing method has the following advantages: when the user equipment supports the first time length and the second time length, the buffer allocation for the first time length and the second time The buffer allocation of the length is related to the first time length and the second time length, thereby reasonably allocating the cache, improving the cache utilization and the overall performance of the system.

Receiving first signaling;

The first signaling is used to determine configuration information for the first wireless signal, where the configuration information includes at least one of {occupied time domain resources, occupied frequency domain resources, MCS} .

Receiving second signaling;

The second signaling is used to determine configuration information for the second wireless signal, where the configuration information includes at least one of {occupied time domain resources, occupied frequency domain resources, MCS} .

- sending the first message;

The first information is used to determine that the user equipment is capable of receiving the first transport block and the second transport block in a first time unit, where the first time unit includes the first time window And the second time window.

The present application discloses a method in a base station used for low-latency communication, which includes:

- determine C1 first class cache sizes;

- transmitting C1 bit blocks in the first time window;

Wherein each of the C1 bit blocks includes a positive integer number of bits, the C1 bit blocks belong to a first transport block, and the C1 is a positive integer; the length of time of the first time window is equal to a length of time; at least one of an upper limit of the number of bits that the first transport block can contain, the first time length} is used to determine the C1 first class caches a size, the C1 first class cache size and the C1 bit block are in one-to-one correspondence, the C1 is a positive integer; the first time length is equal to one of K candidate time lengths, the K Any two of the alternative time lengths are different, and the K is a positive integer greater than one.

Transmitting a second transport block in a second time window;

The time length of the second time window is equal to a second time length, and the second time length is one of the K candidate time lengths, the second time length and the first time length Differentily; the first transport block and the second transport block respectively correspond to a first size and a second size, the first size is not less than a sum of the C1 first type cache sizes, and the first size is And determining, by the C1 first class cache sizes, a maximum number of HARQ processes for the first time length is a first integer, and a maximum number of HARQ processes for the second time length is a second integer; A size is related to at least one of {the first integer, the second integer}, the second size being related to at least one of {the first integer, the second integer}.

As an embodiment, the base station further includes:

- determine C2 second class cache sizes;

According to an aspect of the present application, the above method is characterized in that the first bit block is one of the C1 bit blocks, and the first terminal stores the said first bit block when the transmission of the first bit block is not correctly received The number of bits in the first bit block is not smaller than the first memory block size, the first buffer size is used to determine the first memory block size, and the first buffer size is in the C1 first class cache size The first type of buffer size corresponding to the first bit block; the first terminal belongs to a receiver of the first bit block.

According to an aspect of the present application, the method is characterized in that the second transport block comprises C2 bit blocks, and the C2 bit blocks generate a second wireless signal, the duration of the second wireless signal in the time domain is The second length of time corresponds to a second cropping factor, and the second size is related to at least one of {the first cropping factor and the second cropping factor}.

- transmitting the first signaling;

The first signaling is used to determine configuration information for the first wireless signal, where the configuration information includes {occupied time domain resources, occupied frequency domain resources, MCS (Modulation and Coding Scheme, At least one of modulation coding schemes)}.

- transmitting second signaling;

- receiving the first information;

The first information is used to determine that a sender of the first information is capable of receiving the first transport block and the second transport block in a first time unit, the first time unit including the a first time window and the second time window.

As a sub-embodiment, the sender of the first information is the first terminal.

The present application discloses a user equipment used for low-latency communication, which includes:

a first receiver module determining C1 first class buffer sizes and receiving C1 bit blocks in a first time window;

Wherein each of the C1 bit blocks includes a positive integer number of bits, the C1 bit blocks belong to a first transport block, and the C1 is a positive integer; the length of time of the first time window is equal to a length of time; at least one of an upper limit of the number of bits that the first transport block can contain, the first time length} is used to determine the C1 first class cache sizes, the C1 first One type of cache size corresponds to the C1 bit block, the C1 is a positive integer; the first time length is equal to one of K candidate time lengths, the K Any two of the alternative lengths of time are different in length, and the K is a positive integer greater than one.

As an embodiment, the user equipment used for low-latency communication is characterized in that the first receiver module receives a second transport block in a second time window; the second time window has a time length equal to the second a length of time, the second length of time being one of the K candidate time lengths, the second time length being different from the first time length; the first transport block and the second transmission The blocks respectively correspond to a first size and a second size, the first size being not less than a sum of the C1 first class cache sizes, the first size being used to determine the C1 first class cache sizes; The maximum number of HARQ processes of the first time length is a first integer, and the maximum number of HARQ processes for the second time length is a second integer; the first size and {the first integer, the second At least one of the integers is related to at least one of {the first integer, the second integer}.

As an embodiment, the user equipment used for low-latency communication is characterized in that the first receiver module determines C2 second-class buffer sizes; the second transport block includes C2 bit blocks, the C2 Each of the bit blocks includes a positive integer number of bits, {at least one of an upper limit of the number of bits that the second transport block can contain, the second time length} is used to determine the C2 A second type of cache size, the C2 second type of cache size and the C2 bit block are in one-to-one correspondence, and the C2 is a positive integer.

As an embodiment, the user equipment used for low-latency communication is characterized in that the first bit block is one of the C1 bit blocks, and when the transmission of the first bit block is not correctly received, The number of bits in the first bit block stored by the user equipment is not less than the first storage block size, the first buffer size is used to determine the first storage block size, and the first cache size is the C1 The first type of cache size corresponding to the first block of bits in a first type of cache size.

As an embodiment, the foregoing user equipment used for low-latency communication is characterized in that the C1 bit block generates a first wireless signal, and the duration of the first wireless signal in the time domain is equal to the first time length The first time length corresponds to a first cropping factor, and the first size is related to the first cropping factor.

As an embodiment, the foregoing user equipment used for low-latency communication is characterized in that the second transport block includes C2 bit blocks, and the C2 bit blocks generate a second wireless signal, and the second wireless signal is The duration of the time domain is the second length of time; the second length of time corresponds to a second cropping factor, the second size and {the first cropping factor, the At least one of the second cropping factors} is related.

As an embodiment, the user equipment used for low-latency communication is characterized in that the first receiver module receives the first signaling; the first signaling is used to determine the first wireless signal. The configuration information includes at least one of {occupied time domain resources, occupied frequency domain resources, MCS}.

As an embodiment, the user equipment used for low-latency communication is characterized in that the first receiver module receives second signaling; the second signaling is used to determine that for the second wireless signal The configuration information includes at least one of {occupied time domain resources, occupied frequency domain resources, MCS}.

As an embodiment, the above user equipment used for low-latency communication is characterized by:

- a first transmitter module that transmits the first information;

The present application discloses a base station device used for low-latency communication, which includes:

a second transmitter module determining C1 first class buffer sizes and transmitting C1 bit blocks in a first time window;

As an embodiment, the base station device used for low-latency communication is characterized in that the second transmitter module transmits a second transport block in a second time window; the second time window has a time length equal to the second a length of time, the second length of time being one of the K candidate time lengths, the second time length being different from the first time length; the first transport block and the second transmission The blocks respectively correspond to the first size and the second size, the first size Not less than the sum of the C1 first class cache sizes, the first size being used to determine the C1 first class cache sizes; the maximum number of HARQ processes for the first time length is a first integer, The maximum number of HARQ processes for the second length of time is a second integer; the first size is related to at least one of {the first integer, the second integer}, the second size and { At least one of the first integer and the second integer} is related.

As an embodiment, the base station device used for low-latency communication is characterized in that the second transmitter module determines C2 second-class buffer sizes; the second transport block includes C2 bit blocks, the C2 Each of the bit blocks includes a positive integer number of bits, {at least one of an upper limit of the number of bits that the second transport block can contain, the second time length} is used to determine the C2 A second type of cache size, the C2 second type of cache size and the C2 bit block are in one-to-one correspondence, and the C2 is a positive integer.

As an embodiment, the above-described base station apparatus used for low-latency communication is characterized in that the first bit block is one of the C1 bit blocks, and when the transmission of the first bit block is not correctly received, The number of bits in the first bit block stored by a terminal is not smaller than the first storage block size, and the first buffer size is used to determine the first storage block size, and the first cache size is the C1 first a first type of cache size corresponding to the first block of bits in a type of cache size; the first terminal belongs to a receiver of the first block of bits.

As an embodiment, the base station device used for low-latency communication is characterized in that the C1 bit block generates a first wireless signal, and the duration of the first wireless signal in the time domain is equal to the first time length The first time length corresponds to a first cropping factor, and the first size is related to the first cropping factor.

As an embodiment, the base station device used for low-latency communication is characterized in that the second transport block includes C2 bit blocks, and the C2 bit blocks generate a second wireless signal, and the second wireless signal is The duration of the time domain is the second length of time; the second length of time corresponds to a second cropping factor, and the second size is at least one of {the first cropping factor and the second cropping factor} One related.

As an embodiment, the base station device used for low-latency communication is characterized in that the second transmitter module transmits first signaling; the first signaling is used to determine that the first wireless signal is The configuration information includes at least one of {occupied time domain resources, occupied frequency domain resources, MCS}.

As an embodiment, the above-described base station apparatus used for low-latency communication is characterized in that The second transmitter module sends a second signaling; the second signaling is used to determine configuration information for the second wireless signal, where the configuration information includes {occupied time domain resources, occupied At least one of the frequency domain resources, MCS}.

As an embodiment, the above-described base station apparatus used for low-latency communication is characterized by comprising:

a second receiver module receiving the first information;

As an embodiment, the present application has the following advantages compared with the conventional solution:

By establishing the first time length and the C1 first class cache sizes, it is ensured that the first time length is considered in the buffer allocation, that is, considering the number of multi-carrier symbols occupied by the STTI, and further Reasonably allocate cache size between HARQ processes corresponding to different durations to improve overall system performance and cache utilization.

When the user equipment in the present invention supports the first time length and the second time length, the first integer and the second time length corresponding to the first time length are Correspondingly, the second integer is used to determine the first size and the second size; that is, the user equipment considers the first integer and the second integer simultaneously when performing buffer allocation, and thus is reasonable Allocate the cache to ensure that the two durations of the HARQ process work properly.

Introducing the first cropping factor, the first cropping factor being related to a maximum TBS supported by the user equipment in the first time length, and further when the maximum TBS of the maximum TBS is smaller than a normal TTI The first cropping factor effectively reduces the buffer allocated to the first time length to accommodate a smaller maximum TBS, improving cache utilization efficiency.

DRAWINGS

Other features, objects, and advantages of the present application will become more apparent from the detailed description of the accompanying drawings.

1 shows a flow chart for determining C1 first class cache sizes in accordance with one embodiment of the present application;

2 shows a schematic diagram of a network architecture in accordance with one embodiment of the present application;

3 shows a schematic diagram of an embodiment of a radio protocol architecture of a user plane and a control plane in accordance with one embodiment of the present application;

FIG. 4 shows a schematic diagram of an evolved node and a UE according to an embodiment of the present application; FIG.

FIG. 5 illustrates a flow chart of transmitting first information according to an embodiment of the present application;

Figure 6 shows a schematic diagram of a first time window and a second time window in accordance with one embodiment of the present application;

FIG. 7 shows a schematic diagram of a first time window and a second time window in accordance with another embodiment of the present application; FIG.

Figure 8 shows a schematic diagram of C1 first class cache sizes in accordance with one embodiment of the present application;

FIG. 9 is a block diagram showing the structure of a processing device for use in a user equipment according to an embodiment of the present application;

FIG. 10 shows a block diagram of a structure for a processing device in a base station according to an embodiment of the present application.

Detailed ways

The technical solutions of the present application are further described in detail below with reference to the accompanying drawings. It should be noted that the features in the embodiments and the embodiments of the present application may be combined with each other without conflict.

Example 1

Embodiment 1 illustrates a flow chart for determining C1 first class cache sizes, as shown in FIG.

In Embodiment 1, the user equipment in the present application first determines C1 first class buffer sizes, and then receives C1 bit blocks in a first time window; each of the C1 bit blocks includes a positive integer number of bits, the C1 bit blocks all belong to the first transport block, and the C1 is a positive integer; the time length of the first time window is equal to the first time length; {the first transport block can contain At least one of the upper limit of the number of bits, the first time length} is used to determine the C1 first class cache sizes, and the C1 first class cache sizes are in one-to-one correspondence with the C1 bit blocks. The C1 is a positive integer; the first time length is equal to one of K candidate time lengths, and any two of the K candidate time lengths are different, and the K is a positive integer greater than 1. .

As a sub-embodiment, the first type of cache size not larger than K _w of 36.213 TS 36.212 and TS.

As a subsidiary embodiment of the sub-embodiment, the K _W is a size of a maximum circular buffer allocated to the bit block corresponding to the first type of buffer size.

As a sub-embodiment, the first type of cache size corresponds to N _cb in TS 36.212 and TS 36.213.

As a sub-embodiment, the K candidate time lengths include a duration of {1 multi-carrier symbol, a duration of 2 time-domain consecutive multi-carrier symbols, and a duration of 4 time-domain consecutive multi-carrier symbols At least one of the durations of 7 multi-carrier symbols in the time domain.

As a sub-embodiment, the K candidate time lengths include 1 ms (milliseconds).

As a sub-embodiment, the multi-carrier symbol in the present application is {OFDM (Orthogonal Frequency Division Multiplexing) symbol, SC-FDMA (Single-Carrier Frequency Division Multiple Access). FBMC (Filter Bank Multi Carrier) symbol, OFDM symbol including CP (Cyclic Prefix), DFT-s-OFDM including CP (Discrete Fourier Transform Spreading Orthogonal Frequency Division) Multiplexing, one of the symbols of the Orthogonal Frequency Division Multiplexing of Discrete Fourier Transform Spread Spectrum.

As a sub-embodiment, the C1 bit blocks respectively correspond to C1 code blocks.

As a sub-embodiment, the C1 bit blocks belong to one Transmission Block.

As a sub-embodiment, the C1 bit blocks constitute a transport block.

As a sub-embodiment, the first type of cache size is related to a category of the user equipment.

As a sub-embodiment, the K candidate time lengths respectively correspond to K subcarrier Spacings.

As a sub-embodiment, the K candidate time lengths respectively correspond to K number of mathematical structures (Numerology).

Example 2

Embodiment 2 illustrates a schematic diagram of a network architecture, as shown in FIG.

Embodiment 2 illustrates a schematic diagram of a network architecture in accordance with the present application, as shown in FIG. 2 shows a diagram of an NR 5G, LTE (Long-Term Evolution, Long Term Evolution) and LTE-A (Long-Term Evolution Advanced) system network architecture 200. The NR 5G or LTE network architecture 200 may be referred to as an EPS (Evolved Packet System) 200 in some other suitable terminology. The EPS 200 may include one or more UEs (User Equipment) 201, NR-RAN (Next Generation Radio Access Network) 202, 5G-CN (5G-Core Network, 5G core network)/EPC (Evolved Packet Core) , Evolved Packet Core) 210, HSS (Home Subscriber Server) 220 and Internet Service 230. EPS can be interconnected with other access networks, but these entities/interfaces are not shown for simplicity. As shown, the EPS provides packet switching services, although those skilled in the art will readily appreciate that the various concepts presented throughout this application can be extended to networks or other cellular networks that provide circuit switched services. The NG-RAN includes an NR Node B (gNB) 203 and other gNBs 204. The gNB 203 provides user and control plane protocol termination for the UE 201. The gNB 203 can be connected to other gNBs 204 via an Xn interface (eg, a backhaul). The gNB 203 may also be referred to as a base station, base transceiver station, radio base station, radio transceiver, transceiver function, basic service set (BSS), extended service set (ESS), TRP (transmission and reception point), or some other suitable terminology. The gNB 203 provides the UE 201 with an access point to the 5G-CN/EPC 210. Examples of UEs 201 include cellular telephones, smart phones, Session Initiation Protocol (SIP) phones, laptop computers, personal digital assistants (PDAs), satellite radios, non-terrestrial base station communications, satellite mobile communications, global positioning systems, multimedia devices , video device, digital audio player (eg, MP3 player), camera, game console, drone, aircraft, narrowband physical network device, machine type communication device, land vehicle, car, wearable device, or any Other similar functional devices. A person skilled in the art may also refer to UE 201 as a mobile station, a subscriber station, a mobile unit, a subscriber unit, a wireless unit, a remote unit, a mobile device, a wireless device, a wireless communication device, a remote device, a mobile subscriber station, an access terminal, Mobile terminal, wireless terminal, remote terminal, handset, user agent, mobile client, client or some other suitable term. The gNB 203 is connected to the 5G-CN/EPC 210 through the S1/NG interface. The 5G-CN/EPC 210 includes the MME/AMF/UPF 211, other MME (Mobility Management Entity), and AMF (Authentication Management Field). Management domain)/UPF (User Plane Function) 214, S-GW (Service Gateway) 212, and P-GW (Packet Date Network Gateway) 213. MME/AMF/UPF 211 is between

processing UE

201 and 5G-CN/EPC 210 Control node for signaling. In general, MME/AMF/UPF 211 provides bearer and connection management. All User IP (Internet Protocol) packets are transmitted through the S-GW 212, and the S-GW 212 itself is connected to the P-GW 213. The P-GW 213 provides UE IP address allocation as well as other functions. The P-GW 213 is connected to the Internet service 230. The Internet service 230 includes an operator-compatible Internet Protocol service, and may specifically include the Internet, an intranet, an IMS (IP Multimedia Subsystem), and a PS Streaming Service (PSS).

As a sub-embodiment, the UE 201 corresponds to the user equipment in this application.

As a sub-embodiment, the gNB 203 corresponds to the base station in the present application.

As a sub-embodiment, the UE 201 supports physical layer processing of low latency communication.

As a sub-embodiment, the gNB 203 supports physical layer processing for low latency communications.

As a sub-embodiment, the UE 201 is a URLLC (Ultra Reliable Low Latency Communication) terminal.

As a sub-embodiment, the gNB 203 supports URLLC services.

Example 3

Embodiment 3 shows a schematic diagram of an embodiment of a radio protocol architecture of a user plane and a control plane in accordance with the present application, as shown in FIG.

3 is a schematic diagram illustrating an embodiment of a radio protocol architecture for a user plane and a control plane, and FIG. 3 shows a radio protocol architecture for user equipment (UE) and base station equipment (gNB or eNB) in three layers: layer 1, layer 2 and layer 3. Layer 1 (L1 layer) is the lowest layer and implements various PHY (physical layer) signal processing functions. The L1 layer will be referred to herein as PHY 301, and Layer 2 (L2 Layer) 305 is above PHY 301 and is responsible for the link between the UE and the gNB through PHY 301. In the user plane, the L2 layer 305 includes a MAC (Medium Access Control) sublayer 302, an RLC (Radio Link Control) sublayer 303, and a PDCP (Packet Data Convergence Protocol). Convergence Protocol) Sublayer 304, which terminates at the gNB on the network side. Although not illustrated, the UE may have several upper layers above the L2 layer 305, including a network layer (eg, an IP layer) terminated at the P-GW on the network side and terminated at the other end of the connection (eg, Application layer at the remote UE, server, etc.). The PDCP sublayer 304 provides multiplexing between different radio bearers and logical channels. The PDCP sublayer 304 also provides header compression for upper layer data packets to reduce radio transmission overhead, provides security by encrypting data packets, and provides handoff support for UEs between gNBs. RLC sublayer 303 provides Fragmentation and reassembly of upper layer data packets, retransmission of lost data packets, and reordering of data packets to compensate for out-of-order reception due to HARQ. The MAC sublayer 302 provides multiplexing between the logical and transport channels. The MAC sublayer 302 is also responsible for allocating various radio resources (e.g., resource blocks) in one cell between UEs. The MAC sublayer 302 is also responsible for HARQ operations. In the control plane, the radio protocol architecture for the UE and gNB is substantially the same for the physical layer 301 and the L2 layer 305, but there is no header compression function for the control plane. The control plane also includes an RRC (Radio Resource Control) sublayer 306 in Layer 3 (L3 layer). The RRC sublayer 306 is responsible for obtaining radio resources (ie, radio bearers) and configuring the lower layer using RRC signaling between the gNB and the UE.

As a sub-embodiment, the radio protocol architecture of Figure 3 is applicable to the user equipment in this application.

As a sub-embodiment, the radio protocol architecture of Figure 3 is applicable to the base station in this application.

As a sub-embodiment, the C1 first class cache sizes in the present application are generated in the PHY 301.

As a sub-embodiment, the C2 second class cache sizes in the present application are generated by the PHY 301.

As a sub-embodiment, the first size in the present application is generated by the PHY 301.

As a sub-embodiment, the second size in the present application is generated by the PHY 301.

As a sub-embodiment, the first information in the present application is generated in the RRC sublayer 306.

Example 4

Embodiment 4 shows a schematic diagram of a base station device and a given user equipment according to the present application, as shown in FIG. 4 is a block diagram of a gNB 410 in communication with a UE 450 in an access network.

The base station device (410) includes a controller/processor 440, a memory 430, a receive processor 412, a transmit processor 415, a cache processor 471, a transmitter/receiver 416, and an antenna 420.

The user equipment (450) includes a controller/processor 490, a memory 480, a data source 467, a transmit processor 455, a receive processor 452, a cache processor 441, a transmitter/receiver 456, and an antenna 460.

In the downlink transmission, the processing related to the base station device (410) includes:

The upper layer packet arrives at the controller/processor 440, and the controller/processor 440 provides header compression, Encryption, packet segmentation and reordering, and multiplexing and demultiplexing between logical and transport channels to implement L2 layer protocols for user planes and control planes; upper layer packets may include data or control information, such as DL-SCH (Downlink Shared Channel);

a controller/processor 440 associated with a memory 430 storing program code and data, which may be a computer readable medium;

a controller/processor 440 comprising a scheduling unit for transmitting a demand, the scheduling unit for scheduling air interface resources corresponding to the transmission requirements;

a cache processor 471, determining C1 first class cache sizes, determining C2 second class cache sizes, determining a first size, determining a second size, determining a first memory block size; and transmitting the result to the controller/processing 440;

a transmit processor 415 that receives the output bitstream of the controller/processor 440, implementing various signal transmission processing functions for the L1 layer (ie, the physical layer) including coding, interleaving, scrambling, modulation, power control/allocation, and Physical layer control signaling generation, etc.;

Transmitter 416 is operative to convert the baseband signals provided by transmit processor 415 into radio frequency signals and transmit them via antenna 420; each transmitter 416 samples the respective input symbol streams to obtain a respective sampled signal stream. Each transmitter 416 performs further processing (eg, digital to analog conversion, amplification, filtering, upconversion, etc.) on the respective sample streams to obtain a downlink signal.

In the downlink transmission, the processing related to the user equipment (UE450) may include:

Receiver 456 for converting the radio frequency signal received through the antenna 460 into a baseband signal is provided to the receiving processor 452;

The receiving processor 452 implements various signal receiving processing functions for the L1 layer (ie, the physical layer) including decoding, deinterleaving, descrambling, demodulation, and physical layer control signaling extraction, and the like;

a cache processor 441, determining C1 first class cache sizes, determining C2 second class cache sizes, determining a first size, determining a second size, determining a first memory block size; and transmitting the result to the controller/processing 490;

a controller/processor 490 receives the bitstream output from the receive processor 452, provides header decompression, decryption, packet segmentation and reordering, and multiplexing demultiplexing between the logical and transport channels to implement L2 layer protocol for user plane and control plane;

The controller/processor 490 is associated with a memory 480 that stores program codes and data. Memory 480 can be a computer readable medium.

As a sub-embodiment, the UE450 device includes: at least one processor and at least a memory, the at least one memory comprising computer program code; the at least one memory and the computer program code being configured for use with the at least one processor, the UE 450 device at least: determining C1 first class caches Size, receiving C1 bit blocks in a first time window; each of the C1 bit blocks includes a positive integer number of bits, the C1 bit blocks all belong to a first transport block, and the C1 is a positive integer The time length of the first time window is equal to the first time length; at least one of the upper limit of the number of bits that the first transport block can contain, the first time length} is used to determine the C1 a first type of cache size, the C1 first class cache size and the C1 bit block are in one-to-one correspondence, the C1 is a positive integer; the first time length is equal to one of K candidate time lengths Any two of the K alternative time lengths are different in length, and the K is a positive integer greater than one.

As a sub-embodiment, the UE 450 includes: a memory storing a computer readable instruction program that, when executed by at least one processor, generates an action, the action comprising: determining C1 first a class buffer size, receiving C1 bit blocks in a first time window; each of the C1 bit blocks includes a positive integer number of bits, the C1 bit blocks belonging to a first transport block, the C1 Is a positive integer; the length of time of the first time window is equal to the first time length; {at least one of the upper limit of the number of bits that the first transport block can contain, the first time length} is used to determine The C1 first class cache sizes are respectively corresponding to the C1 bit blocks, and the C1 is a positive integer; the first time length is equal to K candidate time lengths. In one of the two alternative time lengths, the length of time is different, and the K is a positive integer greater than one.

As a sub-embodiment, the gNB 410 apparatus includes: at least one processor and at least one memory, the at least one memory including computer program code; the at least one memory and the computer program code are configured to be The processor is used together. The gNB 410 device at least: determining C1 first class buffer sizes, and transmitting C1 bit blocks in a first time window; each of the C1 bit blocks includes a positive integer number of bits, the C1 bits Each of the blocks belongs to the first transport block, and the C1 is a positive integer; the length of time of the first time window is equal to the first time length; {the upper limit of the number of bits that the first transport block can contain, the first time At least one of the lengths} is used to determine the C1 first class cache sizes, the C1 first class cache sizes are in one-to-one correspondence with the C1 bit blocks, and the C1 is a positive integer; the first The length of time is equal to one of K alternative time lengths, any two of which are different in length, the K being a positive integer greater than one.

As a sub-embodiment, the gNB 410 includes: a memory storing a computer readable instruction program that, when executed by at least one processor, generates an action, the action comprising: determining C1 first a class buffer size, transmitting C1 bit blocks in a first time window; each of the C1 bit blocks includes a positive integer number of bits, the C1 bit blocks belonging to a first transport block, the C1 Is a positive integer; the length of time of the first time window is equal to the first time length; {at least one of the upper limit of the number of bits that the first transport block can contain, the first time length} is used to determine The C1 first class cache sizes are respectively corresponding to the C1 bit blocks, and the C1 is a positive integer; the first time length is equal to K candidate time lengths. In one of the two alternative time lengths, the length of time is different, and the K is a positive integer greater than one.

As a sub-embodiment, the UE 450 corresponds to the user equipment in this application.

As a sub-embodiment, the gNB 410 corresponds to a base station in the present application.

As a sub-embodiment, at least two of the receiver 456, the receive processor 452, and the controller/processor 490 are used to receive C1 bit blocks in a first time window.

As a sub-embodiment, at least two of receiver 456, receive processor 452, and controller/processor 490 are used to receive C2 bit blocks in a second time window.

As a sub-embodiment, at least two of the receiver 456, the receive processor 452, and the controller/processor 490 are used to receive the first signaling.

As a sub-embodiment, at least two of the receiver 456, the receive processor 452, and the controller/processor 490 are used to receive the second signaling.

As a sub-embodiment, at least two of the transmitter 456, the transmit processor 455, and the controller/processor 490 are used to transmit the first information.

As a sub-embodiment, the cache processor 441 is used to determine C1 first class cache sizes.

As a sub-embodiment, the cache processor 441 is used to determine C2 second class cache sizes.

As a sub-embodiment, at least two of the transmitter 416, the transmit processor 415, and the controller/processor 440 are used to transmit C1 bit blocks in a first time window.

As a sub-embodiment, at least two of the transmitter 416, the transmit processor 415, and the controller/processor 440 are used to transmit C2 bit blocks in a second time window.

As a sub-embodiment, the transmitter 416, the transmit processor 415, and the controller/processor At least the first two of 440 are used to transmit the first signaling.

As a sub-embodiment, at least two of the transmitter 416, the transmit processor 415, and the controller/processor 440 are used to transmit the second signaling.

As a sub-embodiment, at least two of the receiver 416, the receive processor 412, and the controller/processor 440 are used to receive the first information.

As a sub-embodiment, the cache processor 471 is used to determine C1 first class cache sizes.

As a sub-embodiment, the cache processor 471 is used to determine C2 second class cache sizes.

Example 5

Embodiment 5 exemplifies a flow chart for transmitting the first information, as shown in FIG. In FIG. 5, base station N1 is a serving cell maintenance base station of user equipment U2. In Figure 5, the steps shown in blocks F0, F1 and F2 are optional.

For the base station N1 , the first information is received in step S10, the C1 first class cache sizes are determined in step S11, the C2 first class cache sizes are determined in step S12, and the first signaling is sent in step S13. In step S14, C1 bit blocks are transmitted in the first time window, the second signaling is transmitted in step S15, and C2 bit blocks are transmitted in the second time window in step S16.

For the user equipment U2 , the first information is sent in step S20, the C1 first class cache sizes are determined in step S21, the C2 first class cache sizes are determined in step S22, and the first signaling is received in step S23. The C1 bit block is received in the first time window in step S24, the second signal is received in step S25, and the C2 bit block is received in the second time window in step S26.

In Embodiment 5, each of the C1 bit blocks includes a positive integer number of bits, the C1 bit blocks belong to a first transport block, and the C1 is a positive integer; the first time window The length of time is equal to the first time length; at least one of the upper limit of the number of bits that the first transport block can contain, the first time length} is used to determine the C1 first class cache size, The C1 first class buffer sizes are in one-to-one correspondence with the C1 bit blocks, and the C1 is a positive integer; the first time length is equal to one of K candidate time lengths, and the K candidate times Any two of the lengths are of different lengths, and the K is a positive integer greater than one. The length of time of the second time window is equal to a second time length, and the second time length is one of the K candidate time lengths, the second time length and the first time The first transport block and the second transport block respectively correspond to the first size and the second size, and the first size is not less than a sum of the C1 first type cache sizes, the first The size is used to determine the C1 first class cache sizes; the maximum number of HARQ processes for the first time length is a first integer, and the maximum number of HARQ processes for the second time length is a second integer; The first size is related to at least one of {the first integer, the second integer}, and the second size is related to at least one of {the first integer, the second integer} . The second transport block includes C2 bit blocks, each of the C2 bit blocks includes a positive integer number of bits, {the upper limit of the number of bits that the second transport block can contain, the second At least one of the lengths of time} is used to determine the C2 second class cache sizes, the C2 second class buffer sizes being in one-to-one correspondence with the C2 bit blocks, the C2 being a positive integer. The first bit block is one of the C1 bit blocks, and when the transmission of the first bit block is not correctly received, the number of bits in the first bit block stored by the user equipment U2 is not less than a memory block size, the first buffer size is used to determine the first memory block size, the first buffer size being the first of the C1 first class cache sizes corresponding to the first bit block A type of cache size. The C1 bit block generates a first wireless signal, the duration of the first wireless signal in the time domain is equal to the first time length; the first time length corresponds to a first clipping factor, and the first size is The first cropping factor is related. The second transport block includes C2 bit blocks, the C2 bit blocks generate a second wireless signal, and the duration of the second wireless signal in the time domain is the second time length; the second time length Corresponding to the second cropping factor, the second size is related to at least one of {the first cropping factor, the second cropping factor}. The first signaling is used to determine configuration information for the first wireless signal, the configuration information including at least one of {occupied time domain resources, occupied frequency domain resources, MCS}. The second signaling is used to determine configuration information for the second wireless signal, the configuration information including at least one of {occupied time domain resources, occupied frequency domain resources, MCS}. The first information is used to determine that the user equipment U2 is capable of receiving the first transport block and the second transport block in a first time unit, the first time unit including the first time window and The second time window.

As a sub-embodiment, the second type of cache size not larger than K _w of 36.213 TS 36.212 and TS.

As a subsidiary embodiment of this sub-embodiment, the K _W is the size of the maximum circular buffer allocated to the bit block corresponding to the second type of buffer size.

As a sub-embodiment, the second bit block is one of the C2 bit blocks, and in the second bit block stored by the user equipment U2 when the transmission of the second bit block is not correctly received The number of bits is not less than the second memory block size, the second buffer size is used to determine the second memory block size, and the second buffer size is the second bit in the C2 second class buffer sizes The second type of cache size corresponding to the block.

As a subsidiary embodiment of the sub-embodiment, the second buffer size is used to determine that the second storage block size refers to: the second storage block size is equal to {the second cache size, the first The smaller of the product of the two dimensions and the first coefficient}.

As an example of the subsidiary embodiment, the first coefficient is equal to a quotient obtained by dividing the second coefficient by the number of serving cells supported by the user equipment U2.

As a special case of the example, the second coefficient is equal to the quotient of the maximum number of soft channel bits (Soft Channel Bits) supported by the user equipment U2 and the maximum number of soft channel bits corresponding to the Category indicated by the user equipment U2.

As a special case of this example, the second coefficient is equal to one.

As a sub-embodiment, the second type of cache size corresponds to N _cb in TS 36.212 and TS 36.213.

As a sub-embodiment, the second time window overlaps with the first time window in a time domain, and the user equipment U2 simultaneously receives the first bit block and the location in the overlapping portion. The second bit block is described.

As a sub-embodiment, the second time window and the first time window do not overlap in the time domain, and the second time window and the first time window belong to the first time unit, the first time The duration of the time unit in the time domain is not less than 1 ms and not more than 8 ms.

As a sub-invention, the maximum number of HARQ processes for the first time length is a first integer, where the first time window belongs to a first time unit, and the user equipment U2 is at the first time. The first integer number of processes based on the first length of time are supported in the unit.

As a sub-embodiment, the maximum number of HARQ processes for the second time length is a second integer, where the second time window belongs to the first time unit, and the user equipment U2 is at the first time. The second integer number of processes based on the second length of time are supported in the unit.

As an auxiliary embodiment of the above two sub-embodiments, the first time unit is in time The duration of the domain is one of {1ms, 2ms, 4ms, 8ms, 16ms}.

As a sub-embodiment, the first memory block size is n _SB in TS 36.213.

As a sub-embodiment, the first buffer size is used to determine that the first storage block size refers to: the first storage block size is equal to {the first cache size, the first size is The smaller of the product of the first coefficients}.

As a subsidiary embodiment of this sub-embodiment, the first coefficient is equal to the quotient obtained by dividing the second coefficient by the number of serving cells simultaneously supported by the user equipment U2.

As an example of the subsidiary embodiment, the second coefficient is equal to a quotient of a maximum number of soft channel bits supported by the user equipment U2 and a maximum number of soft channel bits corresponding to the Category indicated by the user equipment U2. .

As an example of this subsidiary embodiment, the second coefficient is equal to one.

As a sub-embodiment, the first cropping factor is related to a maximum TBS supported by the first wireless signal.

As a sub-embodiment, the first cropping factor is related to the first length of time.

As a sub-embodiment, the first crop factor is configurable.

As a sub-embodiment, the first cropping factor is related to a subcarrier spacing corresponding to the first wireless signal.

As a sub-embodiment, the first integer is equal to the maximum number of HARQ processes supported by the user equipment U2 for the first time length.

As an additional embodiment of this sub-embodiment, the first integer is configurable.

As a subsidiary embodiment of this sub-embodiment, the duration of the first time unit is one of {1ms, 2ms, 4ms, 8ms, 16ms}.

As a subsidiary embodiment of this sub-embodiment, the first integer is equal to one of {2, 4, 8, 16, 32}.

As a sub-embodiment, the user equipment U2 receives only the wireless signal based on the first time length in the first time unit in the present application, and the first size is determined by the following formula:

among them,

The first size, where N _soft is the maximum number of soft channel bits corresponding to the Category indicated by the user equipment U2, the K _{C is} related to the Category indicated by the user equipment U2, and the K _MIMO is the user equipment. The maximum codeword number supported by U2 for the user equipment U2,

Is the first integer, the

Is the first cropping factor, and the M _limit is fixed.

As an additional embodiment of the sub-embodiment, the

Is a decimal number not greater than 1.

As an auxiliary embodiment of the sub-instance, the user equipment U2 adopts a single codeword in space division multiplexing, and the K _MIMO is equal to 1; the user equipment U2 adopts double codewords in space division multiplexing. The K _MIMO is equal to two.

As a subsidiary embodiment of this sub-embodiment, the M _limit is one of {4, 8, 16, 32}.

As a subsidiary embodiment of this sub-embodiment, the first cache size is determined by the following formula:

The K _w is a size of a maximum circular buffer allocated to the bit block corresponding to the first type of cache size.

As an example of this subsidiary embodiment, the first memory block size is determined by the following formula:

Wherein the X is the second coefficient, the

It is the number of serving cells configured by the user equipment U2 in the downlink.

As a sub-embodiment, the physical layer channel corresponding to the first radio signal is a Short Latency Physical Downlink Shared Channel (SPDSCH).

As a sub-embodiment, the second cropping factor is related to a maximum TBS supported by the second wireless signal.

As a sub-embodiment, the second cropping factor is related to the second length of time.

As a sub-embodiment, the second crop factor is configurable.

As a sub-embodiment, the second integer is equal to the number of HARQ processes supported for the second time length in the first time unit described in this application.

As a subsidiary embodiment of this sub-embodiment, the second integer is configurable.

As a subsidiary embodiment of this sub-embodiment, the second integer is equal to one of {2, 4, 8, 16, 32}.

As a sub-embodiment, the user equipment U2 receives only the wireless signal for the first time length and the wireless signal for the second time length in the first time unit in the application, the a wireless signal belonging to the wireless signal for the first time length, the second wireless signal belonging to the wireless signal for the second time length; the first size and the second size are respectively The following formula determines:

The N _soft is the maximum number of soft channel bits corresponding to the Category indicated by the user equipment U2, and the K _{C is} related to the Category indicated by the user equipment U2, where the K _MIMO is supported by the user equipment U2. The maximum number of code words of the user equipment U2,

Is the first size, the

Is the first integer, the

Is the first cropping factor, the Is fixed; said

Is the second size, the

Is the second integer, the

Is the second cropping factor, the

It is fixed.

As an additional embodiment of the sub-embodiment, the

with

Both are decimals no larger than 1.

As an additional embodiment of the sub-embodiment, the

It is one of {4, 8, 16, 32}.

As an additional embodiment of the sub-embodiment, the

It is one of {4, 8, 16, 32}.

As an additional embodiment of the sub-embodiment, the

It is one of {4, 8, 16, 32}.

As an additional embodiment of the sub-embodiment, the

It is one of {4, 8, 16, 32}.

As an auxiliary embodiment of the sub-embodiment, the first time length is 1 ms,

Equal to 8, said

Equal to 1, said

Equal to 8.

As an auxiliary embodiment of the sub-embodiment, the second time length is 1 ms,

Equal to 8, said

Equal to 1, said

Equal to 8.

Wherein X is a second coefficient,

As an additional embodiment of this sub-embodiment, the second cache size in the present application is determined by the following formula:

The _Kw is a size of a maximum circular buffer allocated to the bit block corresponding to the second type of buffer size, and the C2 is a number of bit blocks included in the second transport block in the present application.

As a sub-embodiment, the user equipment U2 supports the wireless signal for the first time length and the wireless signal for the second time length in the first time unit in the application. Receiving Y kinds of first type wireless signals, wherein the Y first type wireless signals correspond to Y target time lengths; the Y is not greater than (K-2), and the Y target time lengths belong to the K items Select the length of time; in the length of the Y target Any one of the target time lengths is not equal to the first time length, and any one of the Y target time lengths is not equal to the second time length; the first wireless signal belongs to the For the wireless signal of the first time length, the second wireless signal belongs to the wireless signal for the second time length; the Y target time lengths correspond to Y target cropping factors and Y target integers; The first size and the second size are respectively determined by the following formula:

Is the first size, the

Is the first integer, the

Is the first cropping factor, the

Is fixed; said

Is the second size, the

Is the second integer, the

Is the second cropping factor, the

Is fixed; said

Is the i-th target clipping factor of the Y target cropping factors, and the Mi is the _i- th target integer of the Y target integers,

It is fixed.

As an additional embodiment of the sub-embodiment, the

Said

And said

Both are decimals no larger than 1.

As an additional embodiment of the sub-embodiment, the

It is one of {4, 8, 16, 32}.

As an additional embodiment of the sub-embodiment, the

It is one of {4, 8, 16, 32}.

As an additional embodiment of the sub-embodiment, the

It is one of {4, 8, 16, 32}.

As an additional embodiment of the sub-embodiment, the

It is one of {4, 8, 16, 32}.

As a subsidiary sub-embodiment of this embodiment, the M _i is one of {4,8,16,32}.

As an additional embodiment of the sub-embodiment, the

It is one of {4, 8, 16, 32}.

Equal to 8, said

Equal to 1, said

Equal to 8.

Equal to 8, said

Equal to 1, said

Equal to 8.

Wherein X is a second coefficient,

As a sub-embodiment, the N _soft in the present application is one of {35982720, 47431680, 303562752, 14616576, 19488768, 7308288, 3654144}.

As a sub-embodiment, the first signaling is physical layer signaling.

As a sub-embodiment, the first signaling is high layer signaling.

As a sub-embodiment, the first signaling is a downlink grant (Grant).

As a sub-embodiment, the first signaling is a DCI (Downlink Control Information).

As a sub-embodiment, the first signaling is an sPDCCH (Short Latency Physical Downlink Control Channel).

As a sub-embodiment, the first signaling is a PDCCH (Physical Downlink Control Channel).

As a sub-embodiment, the second signaling is physical layer signaling.

As a sub-embodiment, the second signaling is higher layer signaling.

As a sub-embodiment, the second signaling is a downlink grant.

As a sub-embodiment, the second signaling is a DCI.

As a sub-embodiment, the second signaling is an sPDCCH.

As a sub-embodiment, the second signaling is a PDCCH.

As a sub-embodiment, the second time length is equal to the duration of 14 time-domain consecutive multi-carrier symbols.

As a sub-embodiment, the physical channel corresponding to the first wireless signal is a PDSCH (Physical Downlink Shared Channel).

As a sub-embodiment, the physical channel corresponding to the first wireless signal is an SPDSCH (Short Latency Physical Downlink Shared Channel).

As a sub-embodiment, the physical channel corresponding to the second wireless signal is a PDSCH.

As a sub-embodiment, the physical channel corresponding to the second wireless signal is SPDSCH.

As a sub-embodiment, the duration of the first time unit in the time domain is one of {1ms, 2ms, 3ms, 4ms, 5ms, 6ms, 7ms, 8ms}.

As a sub-embodiment, the user equipment U2 being able to receive the first transport block and the second transport block in the first time unit means: the first time window and the second time window In the time domain, the user equipment U2 simultaneously receives the first transport block and the second transport block in the overlapping portion of the first time window and the second time window.

As a sub-embodiment, the user equipment U2 being able to receive the first transport block and the second transport block in the first time unit means: the first time window and the second time window The user equipment U2 receives the first transport block in the first time window, and the user equipment U2 receives the second transport block in the second time window. .

As a sub-embodiment, the first information is used to determine the Category of the user equipment U2.

As a sub-embodiment, the first information is used to determine Capability of the user equipment U2.

As an embodiment, the C1 bit blocks are sequentially subjected to channel coding, rate matching, and concatenation to obtain the first wireless signal.

As an embodiment, the C2 bit blocks are sequentially subjected to channel coding, rate matching, and concatenation to obtain the second wireless signal.

Example 6

Embodiment 6 illustrates a schematic diagram of a first time window and a second time window, as shown in FIG. The first time window and the second time window shown in FIG. 6 overlap in the time domain, and both the first time window and the second time window belong to the first time unit.

As a sub-embodiment, the duration of the first time window in the time domain is not equal to the duration of the second time window in the time domain.

As a sub-embodiment, the first time window corresponds to a first type of STTI, and the second time window corresponds to a second type of STTI, where the number of multi-carrier symbols included in the first type of STTI is not equal to the second type. The number of multicarrier symbols included in the STTI.

As a subsidiary embodiment of this sub-embodiment, the number of multi-carrier symbols is equal to one of {1, 2, 4, 7}.

As a sub-embodiment, the first time window corresponds to one STTI, and the second time window corresponds to one TTI; or the first time window corresponds to one TTI, and the second time window corresponds to one STTI.

As a sub-embodiment, the first time unit is a TTI.

As a sub-embodiment, the first time unit is 8 ms consecutive in time domain.

As a sub-embodiment, the first integer in the present application is an independent maximum number of TBs based on the first time window transmission that the user equipment can support in the first time unit.

As a sub-embodiment, the second integer in the application is the maximum of independent transmission based on the second time window that the user equipment can support in the first time unit. TB number.

Example 7

Embodiment 7 illustrates a schematic diagram of another first time window and a second time window, as shown in FIG. The first time window and the second time window shown in Figure 7 are orthogonal in the time domain, the first time window and the second time window each belonging to a first time unit.

As a sub-embodiment, the first time unit is a TTI.

As a sub-embodiment, the first time unit is 8 ms consecutive in time domain.

As a sub-embodiment, the second integer in the present application is an independent maximum number of TBs based on the second time window transmission that the user equipment can support in the first time unit.

Example 8

Embodiment 8 illustrates a schematic diagram of C1 first class cache sizes, as shown in FIG. The diagonally filled rectangular grid shown in FIG. 8 corresponds to the C1 first type cache sizes described in the present application, and the lattice filled rectangular grids shown correspond to the C2 second type cache sizes described in the present application; The solid frame rectangle corresponds to the first cache size in the present application, and the thick dotted frame rectangle corresponds to the second cache size in the present application.

As a sub-embodiment, the C1 first-class cache sizes constitute the first size in the application, and the C1 corresponds to the user equipment for a first time length. The maximum number of code blocks supported by TB.

As a sub-embodiment, the C2 second-class cache sizes constitute the second size in the application, and the C2 corresponds to the maximum number of code blocks supported by the TB for the second time length of the user equipment. .

As a sub-embodiment, the first cache size in the application is one of the C1 first-class cache sizes, and is the first-type cache corresponding to the first bit block in the present application. size.

As a sub-embodiment, the second cache size in the application is one of the C2 second-class cache sizes, and is the second-type cache corresponding to the second bit block in the present application. size.

Example 9

Embodiment 9 exemplifies a structural block diagram of a processing device in one UE, as shown in FIG. In FIG. 9, the UE processing apparatus 900 is mainly composed of a first receiver module 901 and a first transmitter module 902.

a first receiver module 901, determining C1 first class buffer sizes, and receiving C1 bit blocks in a first time window;

a first transmitter module 902, transmitting the first information;

In Embodiment 9, each of the C1 bit blocks includes a positive integer number of bits, the C1 bit blocks belong to a first transport block, and the C1 is a positive integer; the time of the first time window The length is equal to the first time length; at least one of the upper limit of the number of bits that the first transport block can contain, the first time length} is used to determine the C1 first class cache sizes, C1 first class buffer sizes are in one-to-one correspondence with the C1 bit blocks, the C1 is a positive integer; the first time length is equal to one of K candidate time lengths, and the K candidate time lengths Any two of the time lengths are different, the K is a positive integer greater than 1; the first information is used to determine that the user equipment is capable of receiving the first transport block and the first And a second time block, the first time unit including the first time window and the second time window.

As a sub-embodiment, the first receiver module 901 receives a second transport block in a second time window; the second time window has a time length equal to a second time length, and the second time length is the One of the K alternative time lengths, the second time length and the first time length being different; the first transport block and the second transport block respectively correspond to the first ruler And a second size, the first size being not less than a sum of the C1 first class cache sizes, the first size being used to determine the C1 first class cache sizes; The maximum number of HARQ processes of the length is a first integer, and the maximum number of HARQ processes for the second length of time is a second integer; the first size and at least {the first integer, the second integer} In one aspect, the second size is related to at least one of {the first integer, the second integer}.

As a sub-embodiment, the first receiver module 901 determines C2 second class buffer sizes; the second transport block includes C2 bit blocks, and each of the C2 bit blocks includes a positive integer At least one of a bit, {the upper limit of the number of bits that the second transport block can contain, the second time length} is used to determine the C2 second class cache sizes, the C2 second The class cache size is in one-to-one correspondence with the C2 bit blocks, and the C2 is a positive integer.

As a sub-embodiment, the first bit block is one of the C1 bit blocks, and the first bit block is stored in the first bit block when the transmission of the first bit block is not correctly received. The number of bits is not less than a first memory block size, the first buffer size is used to determine the first memory block size, and the first buffer size is the first bit block in the C1 first class cache size Corresponding to the first type of cache size.

As a sub-embodiment, the C1 bit block generates a first wireless signal, where the duration of the first wireless signal in the time domain is equal to the first time length; the first time length corresponds to the first clipping factor, The first size is related to the first crop factor.

As a sub-embodiment, the second transport block includes C2 bit blocks, and the C2 bit blocks generate a second wireless signal, and the duration of the second wireless signal in the time domain is the second time length; The second time length corresponds to a second cropping factor, and the second size is related to at least one of {the first cropping factor and the second cropping factor}.

As a sub-embodiment, the first receiver module 901 receives first signaling; the first signaling is used to determine configuration information for the first wireless signal, the configuration information including {occupied Time domain resource, at least one of the occupied frequency domain resources, MCS}.

As a sub-embodiment, the first receiver module 901 receives second signaling; the second signaling is used to determine configuration information for the second wireless signal, the configuration information including {occupied Time domain resource, at least one of the occupied frequency domain resources, MCS}.

As a sub-embodiment, the first receiver module 901 includes the following in the fourth embodiment. At least the first three of the receiver 456, the receiving processor 452, the cache processor 441, and the controller/processor 490}.

As a sub-embodiment, the first transmitter module 901 includes at least the first two of {transmitter 456, transmit processor 455, controller/processor 490} in embodiment 4.

Example 10

Embodiment 10 exemplifies a structural block diagram of a processing device in a base station device, as shown in FIG. In FIG. 10, the base station device processing apparatus 1000 is mainly composed of a second transmitter module 1001 and a second receiver module 1002.

a second transmitter module 1001, determining C1 first class buffer sizes, and transmitting C1 bit blocks in the first time window;

a second receiver module 1002 receiving the first information;

In Embodiment 10, each of the C1 bit blocks includes a positive integer number of bits, the C1 bit blocks belong to a first transport block, and the C1 is a positive integer; the time of the first time window The length is equal to the first time length; at least one of the upper limit of the number of bits that the first transport block can contain, the first time length} is used to determine the C1 first class cache sizes, C1 first class buffer sizes are in one-to-one correspondence with the C1 bit blocks, the C1 is a positive integer; the first time length is equal to one of K candidate time lengths, and the K candidate time lengths Any two of the time lengths are different, the K is a positive integer greater than 1; the first information is used to determine that the sender of the first information is capable of receiving the first transport block in the first time unit And the second transport block, the first time unit including the first time window and the second time window.

As a sub-embodiment, the second transmitter module 1001 sends a second transport block in a second time window; the second time window has a time length equal to a second time length, and the second time length is the One of the K alternative time lengths, the second time length and the first time length being different; the first transport block and the second transport block respectively correspond to the first size and the second size, respectively The first size is not less than a sum of the C1 first class cache sizes, the first size is used to determine the C1 first class cache sizes; the maximum number of HARQ processes for the first time length is a first integer, the maximum number of HARQ processes for the second length of time is a second integer; the first size is related to at least one of {the first integer, the second integer}, the first The second size is related to at least one of {the first integer, the second integer}.

As a sub-embodiment, the second transmitter module 1001 determines C2 second class buffer sizes; the second transport block includes C2 bit blocks, and each of the C2 bit blocks includes a positive integer At least one of a bit, {the upper limit of the number of bits that the second transport block can contain, the second time length} is used to determine the C2 second class cache sizes, the C2 second The class cache size is in one-to-one correspondence with the C2 bit blocks, and the C2 is a positive integer.

As a sub-embodiment, the first bit block is one of the C1 bit blocks, and the bits in the first bit block stored by the first terminal when the transmission of the first bit block is not correctly received The number is not less than the first storage block size, the first cache size is used to determine the first storage block size, and the first cache size is corresponding to the first bit block in the C1 first class cache sizes The first type of cache size; the first terminal belongs to a receiver of the first bit block.

As a sub-embodiment, the second transmitter module 1001 includes at least the first three of {transmitter 416, transmit processor 415, cache processor 471, controller/processor 440} in embodiment 4.

As a sub-embodiment, the second receiver module 1002 includes at least the first two of the {receiver 416, the receiving processor 412, and the controller/processor 440} in Embodiment 4.

One of ordinary skill in the art can appreciate that all or part of the above steps can be completed by a program to instruct related hardware, and the program can be stored in a computer readable storage medium such as a read only memory, a hard disk or an optical disk. Alternatively, all or part of the steps of the above embodiments may also be implemented using one or more integrated circuits. Correspondingly, each module unit in the above embodiment may be implemented in hardware form or in the form of a software function module. The application is not limited to any specific combination of software and hardware. In this application User equipment, terminals and UEs include but are not limited to drones, communication modules on drones, remote control aircraft, aircraft, small aircraft, mobile phones, tablets, notebooks, vehicle communication devices, wireless sensors, Internet cards, IoT terminals , RFID terminal, NB-IOT terminal, MTC (Machine Type Communication) terminal, eMTC (enhanced MTC) enhanced terminal, data card, network card, vehicle communication device, low-cost mobile phone, low-cost tablet And other equipment. The base station in the present application includes, but is not limited to, a macro communication base station, a micro cell base station, a home base station, a relay base station, a gNB (NR Node B), a TRP (Transmitter Receiver Point), and the like.

The above is only the preferred embodiment of the present application and is not intended to limit the scope of the present application. Any modifications, equivalents, improvements, etc. made within the spirit and principles of the present application are intended to be included within the scope of the present application.

Claims

A method for use in a user equipment for low latency communication, characterized by comprising:

- determine C1 first class cache sizes;

Receiving C1 bit blocks in the first time window;

Wherein each of the C1 bit blocks includes a positive integer number of bits, the C1 bit blocks belong to a first transport block, and the C1 is a positive integer; the length of time of the first time window is equal to a length of time; at least one of an upper limit of the number of bits that the first transport block can contain, the first time length} is used to determine the C1 first class cache sizes, the C1 first A type of cache size corresponding to the C1 bit block, the C1 being a positive integer; the first time length being equal to one of K candidate time lengths, any of the K candidate time lengths The two time lengths are different, and the K is a positive integer greater than one.
The method of claim 1 including:

Receiving a second transport block in a second time window;

The time length of the second time window is equal to a second time length, and the second time length is one of the K candidate time lengths, the second time length and the first time length Differentily; the first transport block and the second transport block respectively correspond to a first size and a second size, the first size is not less than a sum of the C1 first type cache sizes, and the first size is And determining, by the C1 first class cache sizes, a maximum number of HARQ processes for the first time length is a first integer, and a maximum number of HARQ processes for the second time length is a second integer; A size is related to at least one of {the first integer, the second integer}, the second size being related to at least one of {the first integer, the second integer}.
The method according to any one of claims 1 or 2, wherein the first bit block is one of the C1 bit blocks, and when the transmission of the first bit block is not correctly received, The number of bits in the first bit block stored by the user equipment is not less than a first storage block size, the first buffer size is used to determine the first storage block size, and the first cache size is the C1 The first type of cache size corresponding to the first block of bits in the first type of cache size.
The method according to any one of claims 1 to 3, wherein the C1 bit blocks generate a first wireless signal, and the duration of the first wireless signal in the time domain is equal to the first time a length; the first time length corresponds to a first cropping factor, and the first size is related to the first cropping factor.
The method according to any one of claims 2 to 4, wherein the second transport block comprises C2 bit blocks, and the C2 bit blocks generate a second wireless signal, the second wireless signal The duration of the time domain is the second length of time; the second length of time corresponds to a second cropping factor, the second size being at least one of {the first cropping factor, the second cropping factor} One related.
A method according to any one of claims 4 or 5, comprising:

Receiving first signaling;

The first signaling is used to determine configuration information for the first wireless signal, where the configuration information includes at least one of {occupied time domain resources, occupied frequency domain resources, MCS} .
A method according to any one of claims 4 to 6, comprising:

Receiving second signaling;

The second signaling is used to determine configuration information for the second wireless signal, where the configuration information includes at least one of {occupied time domain resources, occupied frequency domain resources, MCS} .
A method according to any one of claims 2 to 7, comprising:

- sending the first message;

The first information is used to determine that the user equipment is capable of receiving the first transport block and the second transport block in a first time unit, where the first time unit includes the first time window And the second time window.
A method in a base station for low latency communication, characterized by comprising:

- determine C1 first class cache sizes;

- transmitting C1 bit blocks in the first time window;

Wherein each of the C1 bit blocks includes a positive integer number of bits, the C1 bit blocks belong to a first transport block, and the C1 is a positive integer; the length of time of the first time window is equal to a length of time; at least one of an upper limit of the number of bits that the first transport block can contain, the first time length} is used to determine the C1 first class cache sizes, the C1 first A type of cache size corresponding to the C1 bit block, the C1 being a positive integer; the first time length being equal to one of K candidate time lengths, any of the K candidate time lengths The two time lengths are different, and the K is a positive integer greater than one.
The method of claim 9 including:

Transmitting a second transport block in a second time window;

The time length of the second time window is equal to a second time length, and the second time length is one of the K candidate time lengths, the second time length and the first time length Differentily; the first transport block and the second transport block respectively correspond to a first size and a second size, the first size is not less than a sum of the C1 first type cache sizes, and the first size is And determining, by the C1 first class cache sizes, a maximum number of HARQ processes for the first time length is a first integer, and a maximum number of HARQ processes for the second time length is a second integer; A size is related to at least one of {the first integer, the second integer}, the second size being related to at least one of {the first integer, the second integer}.
The method according to any one of claims 9 or 10, wherein the first bit block is one of the C1 bit blocks, and when the transmission of the first bit block is not correctly received, The number of bits in the first bit block stored by the first terminal is not less than the first storage block size, the first buffer size is used to determine the first storage block size, and the first cache size is the C1 a first type of cache size corresponding to the first block of bits in a first type of cache size; the first terminal belonging to a receiver of the first block of bits.
The method according to any one of claims 9 to 11, wherein the C1 bit blocks generate a first wireless signal, and the duration of the first wireless signal in the time domain is equal to the first time a length; the first time length corresponds to a first cropping factor, and the first size is related to the first cropping factor.
The method according to any one of claims 10 to 12, wherein the second transport block comprises C2 bit blocks, and the C2 bit blocks generate a second wireless signal, the second wireless signal The duration of the time domain is the second length of time; the second length of time corresponds to a second cropping factor, the second size being at least one of {the first cropping factor, the second cropping factor} One related.
A method according to any one of claims 12 or 13 including:

- transmitting the first signaling;

The first signaling is used to determine configuration information for the first wireless signal, where the configuration information includes at least one of {occupied time domain resources, occupied frequency domain resources, MCS} .
A method according to any one of claims 12 to 14, comprising:

- transmitting second signaling;

The second signaling is used to determine configuration information for the second wireless signal, where the configuration information includes at least one of {occupied time domain resources, occupied frequency domain resources, MCS} .
A method according to any one of claims 10 to 15, comprising:

- receiving the first information;

The first information is used to determine that a sender of the first information is capable of receiving the first transport block and the second transport block in a first time unit, the first time unit including the a first time window and the second time window.
A user equipment used for low latency communication is characterized by comprising:

a first receiver module determining C1 first class buffer sizes and receiving C1 bit blocks in a first time window;

Wherein each of the C1 bit blocks includes a positive integer number of bits, the C1 bit blocks belong to a first transport block, and the C1 is a positive integer; the length of time of the first time window is equal to a length of time; at least one of an upper limit of the number of bits that the first transport block can contain, the first time length} is used to determine the C1 first class cache sizes, the C1 first A type of cache size corresponding to the C1 bit block, the C1 being a positive integer; the first time length being equal to one of K candidate time lengths, any of the K candidate time lengths The two time lengths are different, and the K is a positive integer greater than one.
A base station device used for low-latency communication is characterized by comprising:

a second transmitter module determining C1 first class buffer sizes and transmitting C1 bit blocks in a first time window;

Wherein each of the C1 bit blocks includes a positive integer number of bits, the C1 bit blocks belong to a first transport block, and the C1 is a positive integer; the length of time of the first time window is equal to a length of time; at least one of an upper limit of the number of bits that the first transport block can contain, the first time length} is used to determine the C1 first class cache sizes, the C1 first One type of cache size corresponds to the C1 bit block, the C1 is a positive integer; the first time length is equal to one of K candidate time lengths, the K Any two of the alternative lengths of time are different in length, and the K is a positive integer greater than one.