WO2018010673A1

WO2018010673A1 - Information configuration method for communication among devices, base station thereof, and user equipment

Info

Publication number: WO2018010673A1
Application number: PCT/CN2017/092782
Authority: WO
Inventors: 常宁娟; 张萌; 刘仁茂
Original assignee: 夏普株式会社; 常宁娟
Priority date: 2016-07-15
Filing date: 2017-07-13
Publication date: 2018-01-18
Also published as: CN107623950A

Abstract

The present invention provides a method executed on a user equipment, a method executed on a base station, the corresponding user equipment, and the base station. The method executed on a user equipment comprises: when a UE is requested to send a MAC protocol data unit (PDU) on a resource indicated by an uplink link grant of a physical uplink shared channel (PUSCH) and a resource indicated by an uplink link grant of a short physical uplink shared channel (sPUSCH), applying a logical channel priority process to the uplink link grant of the PUSCH and the uplink link grant of the sPUSCH on a same subframe, the sPUSCH indicating a short physical uplink shared channel in a short transmission time interval (TTI). According to the solution, a service having a shorter delay can be provided for a delay emergent service.

Description

Information configuration method for communication between devices and base station and user equipment thereof

Technical field

The present invention relates to the field of wireless communication technologies. More specifically, the present invention relates to an information configuration method for communication between devices and a base station and user equipment thereof.

Background technique

In today's wireless network services and their development, the business presents diversity, and the transmission performance requirements of the network are also getting higher and higher. Real-time applications such as VoLTE and video teleconferencing put forward higher requirements for data transmission delay. In addition, in addition to meeting higher transmission rates, many future applications are bound to become more and more strict with the delay of service transmission, such as virtual reality or vehicle communication must meet the requirements of low latency. The 3rd Generation Partnership Project (3GPP) is investigating a new mechanism to reduce data transmission delays. The study of this topic starts from all aspects of data transmission in the access network, and hopes to achieve a lower latency processing and transmission mechanism, including introducing a shorter transmission time interval (Transmission Time Interval, TTI) at Layer 1 (ie, the physical layer). The layer 2 on the physical layer introduces a faster uplink scheduling mechanism, and enhances the TA acquisition mode of the user equipment (UE, User Equipment) in the handover process.

However, the existing mechanism cannot meet the multi-uplink grant (UL grant) processing requirements after the introduction of sTTI and the consequent increase in Bj excess. There is no effective way to solve this problem in the existing mechanism.

Summary of the invention

It is an object of the present invention to address at least some of the above problems.

According to a first aspect of the embodiments of the present invention, there is provided a method performed at a UE, comprising: when the UE is requested to be in an uplink grant of a PUSCH in the same subframe, and an uplink of the sPUSCH Application logic for uplink grant of the PUSCH and uplink grant of the sPUSCH when transmitting a MAC PDU in both of the resources indicated by the way grant Channel priority process. The sPUSCH refers to a short physical uplink shared channel within a short TTI.

According to a second aspect of the embodiments of the present invention, there is provided a method performed at a base station, comprising: transmitting logical channel configuration information to a UE, the logical channel configuration information being used to indicate when the UE is requested in the same subframe When a MAC PDU is transmitted in both the resource indicated by the uplink grant of the PUSCH and the resource indicated by the uplink grant of the sPUSCH, the resource indicated by the uplink grant of the sPUSCH is preferentially allocated. The sPUSCH refers to a short physical uplink shared channel within a short TTI.

According to a third aspect of the embodiments of the present invention, a UE is provided, including a MAC entity, configured to: when the UE is requested to be in the same subframe, the resource indicated by the uplink grant of the PUSCH and the uplink of the sPUSCH When a MAC PDU is transmitted in both of the resources indicated by the link grant, a logical channel prioritization procedure is applied to the uplink grant of the PUSCH and the uplink grant of the sPUSCH. The sPUSCH refers to a short physical uplink shared channel within a short TTI.

According to a fourth aspect of the embodiments of the present invention, a base station is provided, including: a configuration information generating module, configured to generate logical channel configuration information, where the logical channel configuration information is used to indicate that when the UE is requested in the same sub When a MAC PDU is transmitted in both the resource indicated by the uplink grant of the PUSCH and the resource indicated by the uplink grant of the sPUSCH in the frame, the resource indicated by the uplink grant of the sPUSCH is preferentially allocated; and the transmitting module And configured to send the logical channel configuration information to the UE. The sPUSCH refers to a short physical uplink shared channel within a short TTI.

According to a fifth aspect of the embodiments of the present invention, there is provided a communication system comprising one or more of the above user equipments and one or more of the above base stations.

According to the above aspect, by preferentially allocating the resources indicated by the uplink grant of the sPUSCH, it is possible to provide a service with a shorter delay for the time-delayed service.

Specific embodiments of the present invention are disclosed in detail with reference to the following description and the drawings, in which <RTIgt; It should be understood that the embodiments of the invention are not limited in scope. The embodiments of the present invention include many variations, modifications, and equivalents within the scope of the appended claims.

Features described and/or illustrated with respect to one embodiment may be used in one or more other embodiments in the same or similar manner, in combination with, or in place of, features in other embodiments. .

It should be emphasized that the term "comprising" or "comprises" or "comprising" or "comprising" or "comprising" or "comprising" or "comprises"

DRAWINGS

Many aspects of the invention can be better understood with reference to the following drawings. The components in the figures are not drawn to scale, but only to illustrate the principles of the invention. In order to facilitate the illustration and description of some parts of the invention, the corresponding parts in the figures may be enlarged or reduced.

Elements and features described in one of the figures or one embodiment of the invention may be combined with elements and features illustrated in one or more other figures or embodiments. In the accompanying drawings, like reference numerals refer to the

1 is a schematic diagram of a logical channel prioritization process performed at a UE MAC, in accordance with an embodiment;

2 is a schematic diagram of a logical channel prioritization process performed at a UE MAC, in accordance with an embodiment;

3 is a schematic diagram of a logical channel prioritization process performed at a UE MAC, in accordance with an embodiment;

4 is a schematic diagram of a logical channel prioritization process performed at a UE MAC, in accordance with an embodiment;

5 is a schematic diagram of a logical channel prioritization process performed at a UE MAC, in accordance with an embodiment;

6 is a schematic diagram of a logical channel prioritization process performed at an eNB, in accordance with an embodiment;

7 is a schematic diagram of a logical channel prioritization process performed in a system including a UE and an eNB, according to an embodiment;

8 is a schematic diagram of a logical channel prioritization flow Bj parameter calculation method performed at a UE, according to an embodiment;

9 is a schematic block diagram of a UE, according to an embodiment;

Figure 10 is a schematic block diagram of a base station in accordance with an embodiment.

detailed description

The foregoing and other features of the present invention will be apparent from the The specific embodiments of the present invention are disclosed in the specification and the drawings, which are illustrated in the embodiment of the invention The invention includes all modifications, variations and equivalents falling within the scope of the appended claims. In addition, detailed descriptions of well-known techniques that are not directly related to the present invention are omitted for the sake of brevity to prevent confusion of the understanding of the present invention.

The UE logical channel priority flow method proposed by the present invention will be further described below with reference to the accompanying drawings and specific embodiments.

The embodiments of the present invention are specifically described below with the LTE mobile communication system and its subsequent evolved versions as example application environments. However, it should be noted that the present invention is not limited to the following embodiments, but can be applied to more other wireless communication systems, such as future 5G cellular communication systems.

In the following, some concepts related to the present invention are first explained so as to provide a comprehensive understanding of the technical solutions of the present invention.

TTI and physical channel in LTE mechanism

In traditional LTE, the length of the TTI is 1 ms, and includes 14 Orthogonal Frequency Division Multiplexing (OFDM) symbols (hereinafter referred to as symbols). A 1 ms subframe can be regarded as a TTI. In a subframe, the user obtains scheduling information by listening to a Physical Downlink Control Channel (PDCCH), and passes the physical information on the corresponding scheduled physical resource according to the scheduling information. A Physical Downlink Shared Channel (PDSCH) is used to receive service data.

Short TTI and physical channel in Latency reduction topic

In the case of Latency Reduction, based on the traditional 1ms TTI, the introduction length is 1 symbol, 2 symbols, 3 symbols, 4 in the range of 1ms subframe. The symbol and the 7-symbol short TTI, which is currently not finalized in the 3GPP standard. In the present invention, a short TTI may refer to a TTI having any of these lengths and any other TTI having a length less than a conventional 1 ms TTI, hereinafter collectively referred to as sTTI.

Because of the introduction of sTTI, the original PDCCH and PDSCH format contents, etc., may need to be changed accordingly to be carried in the sTTI. The new PDCCH and PDSCH corresponding to the sTTI are referred to as a short PDCCH and a short PDSCH, and are hereinafter referred to as sPDCCH and sPDSCH in the present invention.

That is, the length of the sTTI may be part of the length of the TTI, and the present invention is based on TTI and sTTI in the case of delay reduction, but it is worth noting that the present invention is equally applicable to TTIs and sTTIs of other lengths in other cases.

Hereinafter, in order to distinguish the TTI used in the current standard from the proposed sTTI, the TTI used in the current standard is sometimes referred to as a legacy TTI. Or unless explicitly stated otherwise, the term TTI refers only to the TTI used in the current standard.

Of course, the above naming is only for better explanation of the content of the present invention, and any other naming with the same meaning is equally applicable to the present invention.

Uplink grant allocation and logical channel priority procedure in LTE

In LTE, after the Medium Access Control layer of the UE receives the physical uplink grant (Uplink grant), the Multiplexing and Assembly entity in the MAC entity is based on the uplink. The physical resources indicated by the way licenses take corresponding data from the data buffers of the respective logical channels to fill the allocated resources. Briefly, the data corresponding to one logical channel can be regarded as data of a type of service. If the UE is configured with multiple different logical channels, the UE has different types of services at the same time. The eNB configures the priority of each logical channel, called logical channel priority. When allocating resources in the uplink grant, the logical channel data with high logical channel priority is preferentially allocated resources. Generally speaking, services with higher latency requirements are often assigned higher priority. Through this prioritized resource allocation method (ie, logical channel prioritization process), the quality of service requirements of different types of services are implemented.

In the case of supporting Carrier Aggregation (CA), the UE has multiple serving cells (or service carriers) at the same time. In the same TTI, each service carrier may be the same. The UE allocates an uplink grant, that is, the MAC layer of the UE simultaneously receives multiple uplink grants from different service carriers of the physical layer. In this case, how to allocate resources indicated by multiple uplink grants between logical channels, such as combining multiple uplink grants into one larger resource for allocation, or multiple uplinks The order of allocation between link grants and the allocation of the MAC layer's MAC Control Element (Control Element, CE) to which uplink-licensed resources are UE implementation issues; that is, the protocol stipulates that these issues are determined internally by the UE. .

Bj calculation in the logical channel priority process in LTE

As described above, the MAC entity allocates resources for each logical channel according to the configured priority, and allocates resources for each logical channel (that is, how much data the logical channel can transmit in the TTI). Bj to achieve.

The MAC entity maintains a Bj value for each logical channel, which can be simply understood as the Bj value indicating how much data the logical channel can transmit. According to the existing protocol, Bj is added at each TTI, and the amount of increase is the priority bit rate (PBR) multiplied by the length of the TTI, that is, the amount of PBR data is increased every 1 ms. When the multiplexing combined entity allocates resources for which the X-size data amount can be allocated for the logical channel, Bj is also subtracted from X accordingly.

As described above, in the case of CA, how the MAC allocates resources of multiple uplink grant indications is a UE implementation problem, because the corresponding uplink grants on each service carrier can satisfy the same quality of service requirements, one The data of the logical channel can be transmitted on any one of the service carrier resources to obtain the same quality of service. The inventors of the present invention found that the situation is completely different when sTTI is introduced. The sPU of sTTI can provide better quality of service than PUSCH, and in short, can provide shorter latency services. For those services with time delays, it is more suitable to use the uplink grant resources corresponding to the sPUSCH for transmission, which is the original intention of the delay reduction problem.

Furthermore, the inventors of the present invention have found that Bj is automatically increased in every TTI. After the sTTI is introduced, when the UE uses both sTTI and TTI, according to the existing protocol, Bj will increase in each TTI and each sTTI, which causes Bj to increase excessively, thereby affecting the actual resource allocation.

The technical solution of the present invention will be described in detail below. In the following, UE and UE MAC entities are used interchangeably in most cases unless specifically stated. It should be noted, however, that although in the following description, the logical channel prioritization method of the present invention may be performed in the MAC entity of the UE, in some other actual implementations, it may also be used in the UE to handle the same or similar functions. Executed in other entities, the executor of the inventive scheme is not limited to a MAC entity.

In the present invention, the UE may include a MAC Control Element (CE) in the MAC PDU corresponding to the PUSCH when performing the logical channel priority procedure, and further, may also include the MAC CE in the MAC PDU corresponding to the sPUSCH. .

Example 1

This embodiment proposes a logical channel priority flow method performed on a MAC entity of a UE.

1 is a schematic diagram of a logical channel prioritization process performed at a UE MAC. As shown in Figure 1:

Step 101: The MAC entity simultaneously receives two or two types of uplink grants from the physical layer, one or a type of uplink grant is an uplink grant of the PUSCH, and another or a type of uplink grant is an sPUSCH. Uplink license.

The above-mentioned one type of uplink grant may be a plurality of uplink grants. For example, in the case of a CA, uplink grants of multiple PUSCHs corresponding to multiple service carriers may be referred to as one type, and multiple serving cells correspond to multiple The uplink grants of sPUSCH may also be referred to as one class. For convenience of description, "one" in all embodiments of the present invention may refer to both "one" or "one type" uplink grants, and "two" may simultaneously refer to "two" or "two types" of uplinks. Licensing, the details are not described below.

In this embodiment, the uplink grant of the PUSCH may also have other representation manners, such as an uplink grant received on the PDCCH, an uplink grant on the PUSCH, an uplink grant corresponding to the TTI, and the like, and indicating the PUSCH resource. Any other representation of the uplink license. Various expressions can be used in this embodiment and other embodiments of the present invention, which will not be described below.

Similarly, the uplink grant of the sPUSCH may also have other representations, such as sPDCCH. Uplink grant received, uplink grant on sPUSCH, uplink grant corresponding to sTTI, etc., and any other representation of the uplink grant indicating sPUSCH resources. Various expressions can be used in this embodiment as well as other embodiments of the invention described below. The details are not described below.

In this embodiment, according to a specific scenario, for example, depending on the execution granularity of the logical channel prioritization process of the UE, “simultaneously” may refer to “in the same subframe”, or “in the same TTI”, or “in the same time slot”. , or "in the same symbol." The other embodiments of the present invention are also the same, and will not be described below.

In addition, another way of expressing with respect to step 101 is that the MAC entity (or UE) is requested to simultaneously (eg, in the same subframe) transmit MAC protocol data units on resources indicated by two or two types of uplink grants. (Protocol Data Unit), one or a class of uplink grants is an uplink grant for PUSCH, and another or type of uplink grant is an uplink grant for sPUSCH.

Step 102: The MAC entity applies a logical channel prioritization procedure to the two or two types of uplink grants.

In this step, the UE does not combine the two or two types of uplink grants as one larger uplink resource, but can process the two or two types of uplink grants separately, for example (based on resource usage) Parallel processing or processing in order of priority.

In another representation, a MAC entity may be considered to apply an independent logical channel prioritization procedure for two or two types of uplink grants.

Example 2:

2 is a schematic diagram of a logical channel prioritization process performed at a UE MAC. as shown in picture 2:

Step 201: The MAC entity simultaneously receives two or two types of uplink grants from the physical layer, one or a type of uplink grant is an uplink grant of the PUSCH, and another or a type of uplink grant is an sPUSCH. Uplink license.

Another way of saying about step 201 is that the MAC entity is required to be simultaneously (eg in In the same subframe, a MAC Protocol Data Unit is transmitted on the resource indicated by two or two types of uplink grants, wherein one or one type of uplink grant is an uplink grant of the PUSCH, and One or a type of uplink grant is an uplink grant for sPUSCH.

Step 202: The MAC entity applies a logical channel prioritization procedure to the two or two types of uplink grants. The MAC entity implements and determines which of the two or two types of uplink grants or which type of uplink grant is prioritized.

In step 202, it may also be stated that the MAC entity applies an independent logical channel prioritization procedure to the two or two types of uplink grants. The MAC entity implements and determines the order of execution of the two logical channel prioritization processes.

Example 3:

3 is a schematic diagram of a logical channel prioritization process performed at a UE MAC. As shown in Figure 3:

Step 301: The MAC entity simultaneously receives two or two types of uplink grants from the physical layer, one or a type of uplink grant is an uplink grant of the PUSCH, and another or a type of uplink grant is an sPUSCH. Uplink license.

Another way of expressing step 301 is that the MAC entity is required to simultaneously transmit (for example, in the same subframe) a MAC Protocol Data Unit on resources indicated by two or two types of uplink grants, Wherein, one or a type of uplink grant is an uplink grant of the PUSCH, and another or a type of uplink grant is an uplink grant of the sPUSCH.

Step 302: The MAC entity applies a logical channel prioritization procedure to two or two types of uplink grants. The MAC entity preferentially performs/processes the uplink grant of the sPUSCH.

Step 302 can also be expressed as the MAC entity applying an independent logical channel prioritization procedure for two or two types of uplink grants. The MAC entity preferentially performs the logical channel priority procedure corresponding to the uplink grant of the sPUSCH.

Example 4:

This embodiment proposes a logical channel prioritization process performed on a MAC entity of a UE. Another way of expressing the method.

4 is a schematic diagram of a logical channel prioritization procedure performed at a UE MAC. As shown in Figure 4:

Step 401: The UE MAC supports simultaneous sTTI and TTI;

Step 401 may have other representations, such as UE MAC being configured to use simultaneous sTTI and TTI; or UE or UE MAC supporting simultaneous sPUSCH and PUSCH, but the embodiment is not limited to the listed expressions.

Step 401 may also be expressed as: the MAC entity simultaneously receives two or two types of uplink grants from the physical layer, one or one type of uplink grant is an uplink grant of PUSCH, and another type or uplink The license is an uplink grant for sPUSCH.

Step 402: The UE or the UE MAC preferentially processes the uplink grant of the sPUSCH.

Example 5:

This embodiment proposes another method of logical channel priority flow performed on the MAC entity of the UE.

Figure 5 is a schematic diagram of a logical channel prioritization procedure performed at a UE MAC. As shown in Figure 5:

Step 501: Receive logical channel configuration information from the base station, where the logical channel configuration information is used to indicate that the logical channel indicating that the priority is to be used is mapped to the sPUSCH.

Or as another expression, when the UE has both the resource indicated by the uplink grant of the PUSCH and the resource indicated by the uplink grant of the sPUSCH, when the resource is allocated for the logical channel, the uplink grant of the sPUSCH is preferentially allocated. The indicated resource.

In addition, it should be noted that the configuration information does not limit the data of the logical channel to be transmitted only on the resource corresponding to the uplink grant of the sPUSCH, but only configures a priority attribute indicating the two uplinks. Which uplink license is preferred for use when the road license is available at the same time. In other cases, resources indicated by uplink grants such as unassigned sPUSCH or uplink grants of the allocated sPUSCH have been occupied by other higher priority logical channels (ie, as indicated by the uplink grant of sPUSCH) In the case where the resource is not available, the data of the logical channel may also be transmitted on the resource corresponding to the uplink grant of the PUSCH.

The configuration information can be included in the logicalchannelconfig information element, through a dedicated RRC signaling is received from the eNB as RRC connection reconfiguration or RRC connection reestablishment. It can also be included in other RRC messages or information elements. In addition, the configuration information can also be received in the manner of MAC CE.

A specific implementation manner of the configuration information in the 3GPP 36.331 protocol is provided below. It should be noted that the method is only an example, and the present invention is not limited thereto.

The information element in the above example may also have other names, such as sPUSCH-prioritization. The present invention is not limited by the specific name of the information element, and information elements having the same or similar functions but having different names are also within the scope of the present invention.

Step 502: The MAC entity simultaneously receives two or two types of uplink grants from the physical layer, one or a type of uplink grant is an uplink grant of the PUSCH, and another or a type of uplink grant is an sPUSCH. Uplink license;

Another way of saying about step 502 is that the MAC entity is requested to simultaneously transmit a MAC protocol data unit (Protocol Data Unit), one or a type of uplink grant, on resources indicated by two or two types of uplink grants. It is an uplink grant for PUSCH, and another or a type of uplink grant is an uplink grant for sPUSCH.

If a logical channel is configured with the logical channel configuration information described in step 501, the MAC entity preferentially allocates resources corresponding to the uplink grant of the sPUSCH for the data of the logical channel for transmission. That is, the MAC entity preferentially maps the data of the logical channel Go to the sPUSCH resource. If the sPUSCH has no available resources, the MAC entity may also transmit the resources corresponding to the uplink grant of the PUSCH for the logical channel of the logical channel, that is, the MAC entity may also map the data of the logical channel to the PUSCH resource.

Example 6

This embodiment proposes a logical channel prioritization procedure performed at the eNB.

6 is a schematic diagram of a logical channel prioritization process performed at an eNB. As shown in Figure 6:

Step 601: Send logical channel configuration information to the UE, where the logical channel configuration information is used to indicate resources indicated by the uplink grant of the Physical Uplink Shared Channel (PUSCH) in the same subframe, and short physical When a MAC protocol data unit (PDU) is transmitted in both of the resources indicated by the uplink grant of the uplink shared channel (sPUSCH), the resource indicated by the uplink grant of the sPUSCH is preferentially allocated.

In addition, it should be noted that the configuration information does not limit the data of the logical channel to be transmitted only on the resource corresponding to the uplink grant of the sPUSCH, but only configures a priority attribute indicating the two uplinks. Which uplink license is preferred for use when the road license is available at the same time. In other cases, such as an uplink grant for which no sPUSCH is allocated or an uplink grant indication resource of the allocated sPUSCH has been occupied by other higher priority logical channels, the data of the logical channel may also be The PUSCH uplink grant corresponds to the resource transmission.

The configuration information may be included in the logical channelconfig information element and sent to the UE through dedicated RRC signaling, such as RRC connection reconfiguration or RRC connection reestablishment. It can also be included in other RRC messages or information elements. In addition, the configuration information can also be sent in the manner of MAC CE.

It should be noted that although the technical solution of the present invention is described by taking an eNB in the LTE system as an example, when the technical solution of the present invention is applied to other types of communication systems, the implementation can be implemented in the communication system. A device of similar functionality, not limited to an eNB.

Example 7

This embodiment proposes another method of logical channel priority flow performed in a system including a UE and an eNB.

7 is a schematic diagram of a logical channel prioritization process performed in a system including a UE and an eNB. As shown in Figure 7:

Step 701: The eNB sends logical channel configuration information to the UE, where the logical channel configuration information is used to indicate resources indicated by the uplink grant of the Physical Uplink Shared Channel (PUSCH) when the UE is requested in the same subframe, and short. When a MAC protocol data unit (PDU) is transmitted in both of the resources indicated by the uplink grant of the physical uplink shared channel (sPUSCH), the resource indicated by the uplink grant of the sPUSCH is preferentially allocated.

In addition, it should be noted that the configuration information does not limit the data of the logical channel to be transmitted only on the resource corresponding to the uplink grant of the sPUSCH, but only configures a priority attribute indicating the two uplinks. Which uplink is preferred for use when the road license is available at the same time license. In other cases, such as an uplink grant for which no sPUSCH is allocated or an uplink grant indication resource of the allocated sPUSCH has been occupied by other higher priority logical channels, the data of the logical channel may also be The PUSCH uplink grant corresponds to the resource transmission.

The configuration information may be included in the logical channelconfig information element and sent to the UE through dedicated RRC signaling. It can also be included in other RRC messages or information elements. In addition, the configuration information can also be sent in the manner of MAC CE.

Step 702: The UE MAC entity simultaneously receives two or two types of uplink grants from the physical layer, one or a type of uplink grant is an uplink grant of the PUSCH, and another or a type of uplink grant is an sPUSCH. Uplink license;

Another way of saying about step 702 is that the MAC entity is requested to simultaneously transmit a MAC protocol data unit (Protocol Data Unit), one or a type of uplink grant, on resources indicated by two or two types of uplink grants. It is an uplink grant for PUSCH, and another or a type of uplink grant is an uplink grant for sPUSCH.

Step 703: If a logical channel is configured with the logical channel configuration letter of step 701 The MAC entity preferentially allocates resources corresponding to the uplink grant of the sPUSCH for the data of the logical channel for transmission. That is, the MAC entity preferentially maps the data of the logical channel to the sPUSCH resource. If the sPUSCH has no available resources, the MAC entity may also transmit the resources corresponding to the uplink grant of the PUSCH for the logical channel of the logical channel, that is, the MAC entity may also map the data of the logical channel to the PUSCH resource.

Example 8

This embodiment provides a logical channel prioritization flow Bj parameter calculation method performed at the UE or UE MAC.

FIG. 8 is a schematic diagram of a method for calculating a logical channel priority flow Bj parameter performed at a UE. As shown in Figure 8:

In step 801, if the UE uses both sTTI and TTI, the UE or UE MAC only increments Bj every TTI, and the increment of Bj is PBR multiplied by TTI length, regardless of sTTI. That is, the Bj increase is only associated with the TTI, regardless of the sTTI.

In this embodiment, the UE simultaneously using the sTTI and the TTI may also be expressed as the UE simultaneously using the sPUSCH and the PUSCH, or the UE further supports the sTTI, or other similar expressions. The invention is not limited by this.

In this embodiment, the “simultaneous” may be “the same period of time”, “when the UE is in the connected state”, “when the UE is configured with the sTTI”, “when the UE is configured with the sPUSCH”, “the same subframe”, "Same time slot", "same symbol, etc."

Example 9

This embodiment proposes a UE for implementing the technical solution of the present invention.

Figure 9 is a schematic block diagram of a UE in accordance with the present invention. As shown in FIG. 9, the UE includes:

The MAC entity 910 is configured to: when the UE is requested to be in the same subframe, the resource indicated by the uplink grant of the Physical Uplink Shared Channel (PUSCH) and the uplink of the Short Physical Uplink Shared Channel (sPUSCH) When a MAC Protocol Data Unit (PDU) is transmitted in both of the resources indicated by the way grant, the logical channel prioritization procedure is applied to the uplink grant of the PUSCH and the uplink grant of the sPUSCH. Where sPUSCH refers to a short physical interval within a short transmission time interval (sTTI) Line link shared channel

A short TTI may refer to a TTI having a length of 1, 2, 3, 4, or 7 symbols.

The MAC entity may also be configured to determine which of the uplink grants of the PUSCH and the uplink grant of the sPUSCH are prioritized.

In some examples, the MAC entity may also be configured to preferentially process uplink grants for the sPUSCH.

The UE shown in FIG. 9 may further include a receiving module 920 configured to receive logical channel configuration information from the base station, wherein the logical channel configuration information indicates that the logical channel is preferentially mapped to the sPUSCH. In this case, the MAC entity 910 can also be configured to apply the logical channel prioritization procedure based on the logical channel configuration information.

The MAC entity may also be configured to map the logical channel to the PUSCH if the resource indicated by the uplink grant of the sPUSCH is not available.

The MAC entity may also be configured to increment a first parameter at each legacy TTI, the first parameter indicating the amount of data that the logical channel is capable of transmitting. In some examples, the first parameter is the Bj parameter described above.

The UE shown in FIG. 9 may further include, for example, a memory 930 for storing data and/or generated data and the like which are required to execute the technical solution of the present invention.

Further, in actual implementation, FIG. 9 may also include a display, an input/output device, and the like (not shown), and the description of the devices is omitted herein in order not to obscure the description of the present invention.

In addition, the details described in FIG. 1 to FIG. 5 and FIG. 7 and FIG. 8 may also be applied to the UE shown in FIG. 9 separately or in combination, and details are not described herein again.

Example 10:

This embodiment provides a schematic block diagram of a base station for implementing the technical solution of the present invention.

Figure 10 is a schematic block diagram of a base station in accordance with the present invention. As shown in FIG. 10, the base station includes:

The configuration information generating module 1010 is configured to generate logical channel configuration information for indicating, when the UE is requested to be in an uplink grant of a Physical Uplink Shared Channel (PUSCH) in the same subframe. Sending a MAC protocol data unit in both the resource and the resource indicated by the uplink grant of the short physical uplink shared channel (sPUSCH) (PDU), the resource indicated by the uplink grant of the sPUSCH is preferentially allocated; and the transmitting module 1020 is configured to transmit the logical channel configuration information to the UE. Where sPUSCH refers to a short physical uplink shared channel within a short transmission time interval "sTTI".

A short TTI may refer to a TTI having a length of 1, 2, 3, 4, or 7 symbols.

The base station shown in FIG. 10 may further include, for example, a memory 1030 for storing data and/or generated data and the like which are required to execute the technical solution of the present invention.

Further, in actual implementation, FIG. 10 may also include a display, an input/output device, and the like (not shown), and the description of the devices is omitted herein in order to avoid obscuring the details of the present invention.

In addition, the details described in FIG. 6 and FIG. 7 can also be applied to the base station shown in FIG. 10 separately or in combination, and details are not described herein again.

Example 11

The present embodiment proposes a communication system for implementing the technical solution of the present invention, which may include one or more UEs shown in FIG. 9 and one or more base stations shown in FIG.

In addition, the details described in FIG. 7 can also be applied to the communication system shown in FIG. 11 separately or in combination, and details are not described herein again.

The communication system may be an LTE system of Release 14, but is not limited to the system, and the solution of the present invention is also applicable to other systems or scenarios.

The program running on the device according to the present invention may be a program that causes a computer to implement the functions of the embodiments of the present invention by controlling a central processing unit (CPU). The program or information processed by the program may be temporarily stored in a volatile memory (such as a random access memory RAM), a hard disk drive (HDD), a non-volatile memory (such as a flash memory), or other memory system.

A program for realizing the functions of the embodiments of the present invention can be recorded on a computer readable recording medium. The corresponding functions can be realized by causing a computer system to read programs recorded on the recording medium and execute the programs. The so-called "computer system" herein may be a computer system embedded in the device, and may include an operating system or hardware (such as a peripheral device). The "computer readable recording medium" may be a semiconductor recording medium, an optical recording medium, a magnetic recording medium, a recording medium of a short-term dynamic storage program, or any other recording medium readable by a computer.

The various features or functional blocks of the apparatus used in the above embodiments may be implemented or executed by circuitry (e.g., monolithic or multi-chip integrated circuits). Circuitry designed to perform the functions described in this specification can include general purpose processors, digital signal processors (DSPs), application specific integrated circuits (ASICs), field programmable gate arrays (FPGAs), or other programmable logic devices, discrete Gate or transistor logic, discrete hardware components, or any combination of the above. A general purpose processor may be a microprocessor or any existing processor, controller, microcontroller, or state machine. The above circuit may be a digital circuit or an analog circuit. One or more embodiments of the present invention may also be implemented using these new integrated circuit technologies in the context of new integrated circuit technologies that have replaced existing integrated circuits due to advances in semiconductor technology.

Further, the present invention is not limited to the above embodiment. Although various examples of the embodiments have been described, the invention is not limited thereto. Fixed or non-mobile electronic devices installed indoors or outdoors can be used as terminal devices or communication devices such as AV devices, kitchen devices, cleaning devices, air conditioners, office equipment, vending machines, and other home appliances.

As above, the embodiments of the present invention have been described in detail with reference to the accompanying drawings. However, the specific structure is not limited to the above embodiments, and the present invention also includes any design modifications not departing from the gist of the present invention. In addition, various modifications may be made to the invention within the scope of the claims, and the embodiments obtained by appropriately combining the technical means disclosed in the different embodiments are also included in the technical scope of the present invention. Further, the components having the same effects described in the above embodiments may be substituted for each other.

Claims

A method performed at a user equipment "UE", comprising:

The resource indicated by the uplink grant of the physical uplink shared channel "PUSCH" and the resource indicated by the uplink grant of the short physical uplink shared channel "sPUSCH" when the UE is requested in the same subframe When transmitting a MAC protocol data unit "PDU" in both, applying a logical channel priority procedure to an uplink grant of the PUSCH and an uplink grant of the sPUSCH;

The sPUSCH refers to a short physical uplink shared channel within a short transmission time interval "sTTI".
The method of claim 1 wherein the sTTI refers to a TTI having a length of 1, 2, 3, 4 or 7 symbols.
The method of claim 1, wherein applying an uplink grant for the PUSCH and an uplink grant for the sPUSCH to apply a logical channel prioritization process comprises:

It is determined which of the uplink grants of the PUSCH and the uplink grant of the sPUSCH is preferentially processed.
The method of claim 3 further comprising:

The uplink grant of the sPUSCH is preferentially processed.
The method of claim 1 further comprising:

Receiving logical channel configuration information from a base station, wherein the logical channel configuration information indicates that a logical channel to be used is preferentially mapped to the sPUSCH,

The applying the logical channel prioritization procedure to the uplink grant of the PUSCH and the uplink grant of the sPUSCH includes: applying the logical channel prioritization procedure according to the logical channel configuration information.
The method of claim 5 further comprising:

The logical channel is mapped to the PUSCH if the resource indicated by the uplink grant of the sPUSCH is unavailable.
The method of claim 1 further comprising:

A first parameter is incremented at each legacy transmission time interval "TTI", the first parameter indicating the amount of data that the logical channel is capable of transmitting.
The method of any of claims 1 to 7, wherein the method is performed by a media access control "MAC" entity of the UE.
A method performed at a base station, comprising:

Transmitting logical channel configuration information to the user equipment "UE", the logical channel configuration information being used to indicate that the UE is requested to be in the same subframe as indicated by an uplink grant of the physical uplink shared channel "PUSCH" When the resource and the resource indicated by the uplink grant of the short physical uplink shared channel "sPUSCH" are transmitted, the resource indicated by the uplink grant of the sPUSCH is preferentially allocated,

The sPUSCH refers to a short physical uplink shared channel within a short transmission time interval "sTTI".
The method of claim 9, wherein the sTTI refers to a TTI having a length of 1, 2, 3, 4 or 7 symbols.
A user equipment "UE" includes:

a medium access control "MAC" entity configured to: when the UE is requested to be in the same subframe, the resource indicated by the uplink grant of the physical uplink shared channel "PUSCH" and the short physical uplink share When a MAC protocol data unit "PDU" is transmitted in both of the resources indicated by the uplink grant of the channel "sPUSCH", the logical channel priority procedure is applied to the uplink grant of the PUSCH and the uplink grant of the sPUSCH,

The sPUSCH refers to a short physical uplink shared channel within a short transmission time interval "sTTI".
The UE of claim 11, wherein the sTTI refers to a TTI having a length of 1, 2, 3, 4, or 7 symbols.
The UE of claim 11, wherein the MAC entity is further configured to determine which of the uplink grants of the PUSCH and the uplink grant of the sPUSCH are prioritized.
The UE of claim 13, wherein the MAC entity is further configured to preferentially process an uplink grant of the sPUSCH.
The UE according to claim 11, further comprising:

a receiving module, configured to receive logical channel configuration information from a base station, where the logical channel configuration information indicates that the logical channel is preferentially mapped to the sPUSCH,

The MAC entity is further configured to apply the logical channel priority procedure according to the logical channel configuration information.
The UE of claim 15 wherein the MAC entity is further configured to:

The logical channel is mapped to the PUSCH if the resource indicated by the uplink grant of the sPUSCH is unavailable.
The UE of claim 11, wherein the MAC entity is further configured to: increment a first parameter at each legacy transmission time interval "TTI", the first parameter indicating data that the logical channel is capable of transmitting the amount.
A base station comprising:

a configuration information generating module configured to generate logical channel configuration information, the logical channel configuration information being used to indicate an uplink of a physical uplink shared channel "PUSCH" when the user equipment "UE" is requested in the same subframe When the MAC resource data unit "PDU" is transmitted in both the resource indicated by the grant and the resource indicated by the uplink grant of the short physical uplink shared channel "sPUSCH", the uplink grant indication of the sPUSCH is preferentially allocated. Resources;

a sending module, configured to send the logical channel configuration information to the UE,

The sPUSCH refers to a short physical uplink shared channel within a short transmission time interval "sTTI".
The base station according to claim 18, wherein said sTTI refers to a TTI having a length of 1, 2, 3, 4 or 7 symbols.
A communication system comprising:

One or more base stations according to claim 18 or 19;

One or more user equipment "UE" according to any of claims 11-17, each communicating with the one or more base stations.