Scheduling release feedback

Abstract

Example embodiments of the present disclosure relate to feedback on a scheduled release. According to an embodiment of the present disclosure, a solution for feedback on a scheduled release indication is provided. A first device receives control information including a scheduled release indication. The scheduled release indication is associated with a hybrid automatic repeat request (HARQ) process. The first device transmits feedback on the release indication at a time allocated for the HARQ process. In this manner, the second device does not need to transmit the scheduled release indication multiple times, thereby saving resources. Furthermore, overhead can be reduced.

Description

Technical Field

[0001] Embodiments of the present disclosure generally relate to the field of telecommunications, and in particular to methods, devices, apparatuses, and computer-readable storage media for scheduling release feedback. Background Art

[0002] As communication systems evolve, more and more technologies have been proposed. For example, a new radio access system, also known as a NR system or NR network, is being developed. NR-U (NR-Unlicensed) communication has also been proposed to improve communication capabilities. In an NR-U communication system, the base station needs to schedule terminal devices. Summary of the Invention

[0003] In general, example embodiments of the present disclosure provide a solution for feedback on scheduling releases.

[0004] In a first aspect, a first device is provided. The first device includes at least one processor; and at least one memory including computer program code; the at least one memory and the computer program code are configured to, with the at least one processor, cause the first device to receive control information including a scheduling release indication for releasing configured resources from a second device. The first device is further caused to select a hybrid automatic repeat request (HARQ) process to be associated with the scheduling release indication. The first device is further caused to transmit feedback on the scheduling release indication to the second device on a timing allocated for the selected HARQ process.

[0005] In a second aspect, a second device is provided. The second device includes at least one processor; and at least one memory including computer program code. The at least one memory and the computer program code are configured to, with the at least one processor, cause the second device to transmit control information including a scheduling release indication to a first device. The second device is further caused to receive feedback from the first device at an opportunity allocated for a hybrid automatic repeat request (HARQ) process associated with the scheduling release indication.

[0006] In a third aspect, a method is provided. The method includes receiving, at a first device, from a second device, control information including a scheduled release indication for releasing configured resources. The method also includes selecting a hybrid automatic repeat request (HARQ) process to be associated with the scheduled release indication. The method also includes transmitting feedback on the scheduled release indication to the second device at a timing allocated for the selected HARQ process.

[0007] In a fourth aspect, a method is provided. The method includes transmitting, at a second device, control information including a scheduling release indication to a first device. The method also includes receiving feedback from the first device at a timing allocated for a hybrid automatic repeat request (HARQ) process associated with the scheduling release indication.

[0008] In a fifth aspect, an apparatus is provided. The apparatus includes means for receiving, at a first device, from a second device, control information including a scheduled release indication for releasing configured resources; means for selecting a hybrid automatic repeat request (HARQ) process to be associated with the scheduled release indication; and means for transmitting feedback on the scheduled release indication to the second device on a timing allocated for the selected HARQ process.

[0009] In a sixth aspect, an apparatus is provided, comprising means for transmitting, at a second device, control information including a scheduling release indication to a first device, and means for receiving feedback from the first device at an opportunity allocated for a hybrid automatic repeat request (HARQ) process associated with the scheduling release indication.

[0010] In a seventh aspect, a computer-readable medium is provided, wherein the computer-readable medium includes program instructions for causing an apparatus to execute the method according to at least any one of the third and fourth aspects.

[0011] It should be understood that the invention summary is not intended to determine the key or essential features of the embodiments of the present disclosure, nor is it intended to limit the scope of the present disclosure. Other features of the present disclosure will become readily understood through the following description. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Some example embodiments will now be described with reference to the accompanying drawings, in which:

[0013] Figure 1 An example communication environment is shown in which example embodiments of the present disclosure may be implemented;

[0014] Figure 2 shows a signaling flow for reporting candidate beams according to some embodiments of the present disclosure;

[0015] Figure 3A and Figure 3B block diagrams respectively illustrating HARQ process association for scheduling release indication according to some example embodiments of the present disclosure;

[0016] Figure 4 A flowchart illustrating a method implemented at a first device according to some example embodiments of the present disclosure is shown;

[0017] Figure 5 A flowchart illustrating a method implemented at a second device according to some other example embodiments of the present disclosure is shown;

[0018] Figure 6 shows a simplified block diagram of an apparatus suitable for implementing an example embodiment of the present disclosure; and

[0019] Figure 7 A block diagram of an example computer-readable medium is shown, according to some example embodiments of the present disclosure.

[0020] Throughout the drawings, the same or similar reference numerals refer to the same or similar elements. DETAILED DESCRIPTION

[0021] The principles of the present disclosure will now be described with reference to some exemplary embodiments. It should be understood that these embodiments are described only to illustrate and help those skilled in the art understand and implement the present disclosure, and do not represent any limitation on the scope of the present disclosure. The embodiments described herein can be implemented in various other ways except as described below.

[0022] In the following description and claims, unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this disclosure belongs.

[0023] In this disclosure, references to "one embodiment," "an embodiment," and "an example embodiment" indicate that the described embodiment may include a particular feature, structure, or characteristic, but not every embodiment must include the particular feature, structure, or characteristic. Furthermore, such phrases do not necessarily refer to the same embodiment. Furthermore, when a particular feature, structure, or characteristic is described in conjunction with one embodiment, those skilled in the art believe that it is within the knowledge of those skilled in the art to affect such feature, structure, or characteristic in conjunction with other embodiments, whether or not explicitly described.

[0024] It should be understood that although the terms "first" and "second" and the like may be used herein to describe various elements, these elements should not be limited by these terms. These terms are used only to distinguish one element from another. For example, a first element may be referred to as a second element, and similarly, a second element may be referred to as a first element without departing from the scope of the exemplary embodiments. As used herein, the term "and / or" includes any and all combinations of one or more of the listed terms.

[0025] The terms used herein are for describing particular embodiments only and are not intended to limit the example embodiments. As used herein, the singular forms "a," "an," and "the" also include the plural forms, unless the context clearly indicates otherwise. It is further understood that the terms "comprises," "comprising," "has," "having," "includes," and / or "including" when used herein specify the presence of stated features, elements, and / or components, etc., but do not preclude the presence or addition of one or more other features, elements, components, and / or combinations thereof.

[0026] As used in this application, the term "circuitry" may refer to one or more or all of the following:

[0027] (a) a pure hardware circuit implementation (such as an implementation using only analog and / or digital circuitry), and

[0028] (b) a combination of hardware circuitry and software such as (as applicable):

[0029] (i) a combination of analog and / or digital hardware circuits and software / firmware, and

[0030] (ii) any portion of hardware processor(s) (including digital signal processor(s)) with software, software and memory(s) that work together to cause a device (such as a mobile phone or server) to perform various functions, and

[0031] (c) Hardware circuit(s) and / or processor(s), such as microprocessor(s) or portion(s) of microprocessor(s), which requires software (e.g., firmware)

[0032] The software can be operated, but it can be not saved when no operation is needed.

[0033] This definition of circuitry applies to all uses of the term in this application, including in any claims. As another example, as used in this application, the term circuitry also covers an implementation of merely a hardware circuit or processor (or multiple processors) or a portion of a hardware circuit or processor and its (or their) accompanying software and / or firmware. For example, if applicable to the particular claim element, the term circuitry also covers a baseband integrated circuit or processor integrated circuit for a mobile device, or a similar integrated circuit in a server, cellular network device, or other computing or network device.

[0034] As used herein, the term "communication network" refers to a network that complies with any suitable communication standard, such as New Radio (NR), Long Term Evolution (LTE), Advanced LTE (LTE-a), Wideband Code Division Multiple Access (WCDMA), High Speed ​​Packet Access (HSPA), Narrowband Internet of Things (NB-IoT), etc. In addition, the communication between the terminal device and the network device in the communication network can be performed according to any suitable generation of communication protocol, including but not limited to first generation (1G), second generation (2G), 2.5G, 2.75G, third generation (3G), fourth generation (4G), 4.5G, future fifth generation (5G) communication protocols, and / or any other protocol currently known or to be developed in the future. The embodiments of the present disclosure can be applied to various communication systems. In view of the rapid development of communications, there will certainly be future types of communication technologies and systems that can embody the present disclosure. The scope of the present disclosure should not be limited to the above-mentioned systems.

[0035] As used herein, the term "network device" refers to a node in a communication network through which a terminal device accesses the network and receives services from the network. A network device may refer to a base station (BS) or an access point (AP), for example, a NodeB (NodeB or NB), an evolved NodeB (eNodeB or eNB), a NR NB (also known as a gNB), a remote radio unit (RRU), a radio head (RH), a remote radio head (RRH), a relay, an integrated access backhaul (IAB) node, a low power node (such as a femto, a pico), a non-terrestrial network (NTN) or non-terrestrial network equipment (such as satellite network equipment, low earth orbit (LEO) satellites and geosynchronous orbit (GEO) satellites), an aircraft network equipment, etc., depending on the terminology and technology applied.

[0036] The term "terminal device" refers to any terminal device capable of wireless communication. By way of example and not limitation, a terminal device may also be referred to as a communication device, user equipment (UE), subscriber station (SS), portable subscriber station, mobile station (MS), or access terminal (AT). Terminal devices may include, but are not limited to, mobile phones, cellular phones, smartphones, voice over IP (VoIP) phones, wireless local loop phones, tablet computers, wearable terminal devices, personal digital assistants (PDAs), portable computers, desktop computers, image capture terminal devices (such as digital cameras), gaming terminal devices, music storage and playback devices, in-vehicle wireless terminal devices, wireless endpoints, mobile stations, laptop embedded devices (LEEs), laptop mounted devices (LMEs), USB dongles, smart devices, wireless customer premises equipment (CPE), Internet of Things (IoT) devices, watches or other wearable devices, head-mounted displays (HMDs), vehicles, drones, medical devices and applications (e.g., remote surgery), industrial devices and applications (e.g., robots and / or other wireless devices operating in the context of industrial and / or automated process chains), consumer electronic devices, devices operating on commercial and / or industrial wireless networks, etc. In the following description, the terms "terminal device", "communication device", "terminal", "user equipment" and "UE" may be used interchangeably.

[0037] According to conventional technology, there are various HARQ-ACK codebooks (CBs). The new radio system currently supports three types of HARQ-ACK CBs. Type 1 CB is a fixed-size CB that is based on the configured PDSCH to HARQ-ACK timing and time domain allocation. Type 2 CB is a CB with a dynamic size that is based on the number of physical downlink shared channels (PDSCHs) or physical downlink control channels (PDCCHs) actually received.

[0038] In CB type 3, the UE can report ACK / NACK for all HARQ processes in the cell of the physical uplink control channel (PUCCH) group. Due to listen-before-talk (LBT) failure, the UE may not be able to transmit HARQ-ACK at the scheduled time point. The network equipment needs a fallback mechanism to explicitly poll for HARQ feedback. Based on the radio resource control (RRC) configuration, when the CB is configured to not include a new data indicator, the UE can report a true HARQ-ACK only once in a time slot CB or report a default value of NACK. The UE can support multiple transmission opportunities but supports single transmission.

[0039] The CB can be configured to include the latest new data indicator per process, which may double its size. On the other hand, the UE can always report the true ACK / NACK of the HARQ process. In addition, in NR-U, downlink semi-persistent scheduling (SPS) can be adopted, which is an ungranted operation. The network device can configure the downlink allocation period, HARQ process, PUCCH resources for feedback, etc. to the terminal device. Table 1 shows the pseudo code of the SPS configuration.

[0040] Table 1

[0041]

[0042] Downlink (DL) SPS is activated by periodically transmitted activation downlink control information, except that unused fields are set to 0, which are used to verify the activation / deactivation of the DCI. This means that when DL SPS is activated, the UE provides HARQ-ACK K1 slot after each PDSCH transmission in the PUCCH resources (if only HARQ-ACK for DL ​​SPS is transmitted), where K1 and the corresponding time domain allocation in the slot (Start and Length Indicator Value (SLIV)) are indicated by the fields in the activation DCI.

[0043] The PUCCH resources used for SPS HARQ-ACK are indicated by RRC parameters. According to conventional technology, if a UE can have more than one active SPS PDSCH configuration, the UE is provided with a set of PUCCH resources by the SPS-PUCCH-AN-List, and the PUCCH resources are determined based on the payload size of the UCI. Otherwise, if the HARQ-ACK of the SPS PDSCH is multiplexed with the HARQ-ACK of the dynamic PDSCH (i.e., both feedbacks are transmitted in the same time slot), the PUCCH will conform to the DCI that schedules the dynamic PDSCH.

[0044] SPS allocation is released by deactivating PDCCH, which is called DL SPS release. However, it is necessary to study how to associate the DL SPS release PDCCH with the HARQ process so that the type 3 CB supports HARQ-ACK for SPS release. In some traditional technologies, the network device needs to repeatedly transmit the DL SPS release PDCCH until the PDCCH is received and the UL LBT is successful. The retransmission of the SPS release PDCCH (due to the failure of UL LBT before ACK / NACK feedback) will cause additional transmission overhead and delay. In other traditional technologies, the DL SPS configuration CB (one container is set per DL SPS) is glued to the HARQ process CB (i.e., the current TYPE-3), which increases the UCI feedback overhead because the HARQ-ACK is reported each time, even if no DL SPS release is scheduled. In the TYPEI CB, the position of the HARQ-ACK information corresponding to a single SPS PDSCH release in the type 1 HARQ-ACK codebook is the same as the position of the corresponding SPS PDSCH reception. This means that in Type I CB, the HARQ-ACK position of the SPS PDSCH release is based on the start and length indicator value (SLIV) in the activation DCI and the time slot of the SPS PDSCH release DCI. However, this method is not applicable to Type 3 CB, so it cannot solve the one-time feedback problem of SPS release in NR-U.

[0045] To address at least part of the above-mentioned issues, a solution for transmitting feedback on a scheduled release is needed. According to an embodiment of the present disclosure, a solution for providing feedback on a scheduled release indication is provided. A first device receives control information including a scheduled release indication. The scheduled release indication is associated with a HARQ process. The first device transmits feedback on the release indication at a timing allocated for the selected HARQ process. In this manner, the second device does not need to transmit the scheduled release indication multiple times, thereby saving resources. Furthermore, overhead can be reduced, and unnecessary interference in the network caused by a UE missing a DL SPS release can be avoided.

[0046] Figure 1 A schematic diagram of a communication environment 100 in which embodiments of the present disclosure may be implemented is shown. The communication environment 100, as part of a communication network, includes devices 110-1, 110-2, ..., 110-N (collectively referred to as "first device(s) 110"). The communication environment 100 also includes a second device 120 that can communicate with the first device(s) 110.

[0047] Communication environment 100 may include any suitable number of devices and cells. In communication environment 100, first device 110 and second device 120 may communicate data and control information to each other. When first device 110 is a terminal device and second device 120 is a network device, the link from second device 110 to first device 110 is called a downlink (DL), and the link from first device 110 to second device 120 is called an uplink (UL). Second device 120 and first device 110 are interchangeable.

[0048] It should be understood that Figure 1 The number of first devices and cells and their connections shown is provided for illustration purposes only and is not intended to be limiting. Environment 100 may include any suitable number of devices and networks suitable for implementing embodiments of the present disclosure.

[0049] Communications in the communication environment 100 may be implemented according to any suitable communication protocol(s), including but not limited to first generation (1G), second generation (2G), third generation (3G), fourth generation (4G), and fifth generation (5G) cellular communication protocols, wireless local area network communication protocols such as Institute of Electrical and Electronics Engineers (IEEE) 802.11, and / or any other protocol currently known or developed in the future. Furthermore, communications may utilize any suitable wireless communication technology, including but not limited to code division multiple access (CDMA), frequency division multiple access (FDMA), time division multiple access (TDMA), frequency division duplex (FDD), time division duplex (TDD), multiple input multiple output (MIMO), orthogonal frequency division multiplexing (OFDM), discrete Fourier transform spread OFDM (DFT-s-OFDM), and / or any other technology currently known or developed in the future.

[0050] Hereinafter, exemplary embodiments of the present disclosure will be described in detail with reference to the accompanying drawings. Figure 2 , Figure 2 FIG2 shows a signaling flow 200 for feedback of a scheduling release indication according to some example embodiments of the present disclosure. Figure 1 A process 200 is described. The signaling flow 200 may involve the first device 110-1 and the second device 120.

[0051] In some embodiments, first device 110-1 may already have resources configured. Alternatively, first device 110-1 may have semi-persistent DL SPS. With semi-persistent scheduling, second device 120 may allocate predefined radio resource blocks to the user at specific periodic intervals, which are configured by RRC configuration. Therefore, second device 120 does not need to dynamically allocate resources using the PDCCH for each transmission. This type of scheduling is semi-persistent because second device 120 can change the resource allocation type or location if required by link adaptation or other factors.

[0052] The second device 120 transmits 2005 control information to the first device 110-1. The control information includes a scheduling release indication. For example, the control information may include an SPS release indication. In some embodiments, the control information may be downlink control information (DCI) transmitted on a physical downlink control channel (PDCCH). The scheduling release indication may be used to release configured scheduling resources. Alternatively, the scheduling release indication may be used to release semi-persistent scheduling resources.

[0053] The first device 110-1 selects 2010 a HARQ process to be associated with the scheduling release indication. For example, the first device 110-1 may select a HARQ process and associate the selected HARQ process with the scheduling release indication. In some embodiments, the HARQ process may be selected based on the time slot on which the control information is received. For example, the scheduling release indication may be associated with the HARQ process of the subsequent physical downlink shared channel (PDSCH) configured by the SPS. In an example embodiment, a subsequent HARQ process after the last HARQ process for data transmission may be selected. In an example embodiment, the subsequent HARQ process may be after the last HARQ process for data transmission on the configured resources released by the release indication. In this way, the second device 120 does not need to transmit the scheduling release indication multiple times, thereby saving resources. The scheduling release indication may be used to release configured scheduling resources. Alternatively, the scheduling release indication may be used to release semi-static scheduling resources. In addition, there is no additional overhead.

[0054] In some embodiments, the first device 110-1 may select a HARQ process ID to be associated with the release indication in the CURRENT_slot based on the following formula:

[0055] HARQ process ID = [floor (CURRENT_slot × 10 / (numberOfSlotsPerFrame × period))] modulo nrofHARQ-Processes (1)

[0056] Wherein CURRENT_slot=[(SFN×numberOfSlotsPerFrame)+number of slots in a frame] of the slot in which the release indication is received, numberOfSlotsPerFrame refers to the number of consecutive slots per frame.

[0057] Example embodiments of selecting a HARQ process will refer to Figure 3A and Figure 3B Describe, Figure 3A and Figure 3B HARQ process association for scheduling release indication according to example embodiments of the present disclosure is shown. Figure 3A The scheduling configuration shown has a period of 5 time slots, and the HARQ process offset is zero. There can be 20 time slots in a frame (as shown by 301-1, 301-2, 301-3, 301-4, 301-5, 301-6, 301-7, 301-8, 301-9, 301-10, 301-11, 301-12, 301-13, 301-14, 301-15, 301-16, 301-17, 301-18, 301-19, and 301-20). It should be noted that this number of time slots in a frame is only an example.

[0058] There may be SPS PDSCH opportunities 302-1, 302-2, 302-3, and 302-4 associated with HARQ processes 304-1, 304-2, 304-3, and 304-4. Figure 3A As shown, the first device 110-1 receives a scheduling release indication at time slot 301-13. The scheduling release indication can be associated with the HARQ process (i.e., HARQ process 304-4) to be used for the DL SPS PDSCH in time slot 304-16. For example, the first device 110-1 can select HARQ process 304-4 and associate the selected HARQ process 304-4 with the scheduling release indication. In time slot 304-15, the periodic PUCCH will be transmitted normally, but due to the LBT failure, it cannot be successfully transmitted. The second device 120 can trigger TYPE-3 CB to pull feedback in time slot 301-20. The first device 110-1 can report ACK / NACK for the scheduling release indication in the TYPE-3 CB at the HARQ process 304-4 position.

[0059] In some embodiments, multiple SPS configurations may be configured in a cell. Figure 3B As shown in the configuration. Figure 3BAs shown, the scheduling configuration has a period of 10 time slots and the HARQ process offset is 2. There can be 20 time slots in a frame (as shown by 311-1, 311-2, 311-3, 311-4, 311-5, 311-6, 311-7, 311-8, 311-9, 311-10, 311-11, 311-12, 311-13, 311-14, 311-15, 311-16, 311-17, 311-18, 311-19, and 301-20). It should be noted that this number of time slots in a frame is only an example. There can be SPS PDSCH opportunities 312-1, 302-2, 302-3, and 302-4 associated with HARQ processes 304-1, 304-2, 304-3, and 304-4.

[0060] Because PDCCH 313 and PDSCH 312-3 carrying the scheduling release indication are associated with HARQ process 314-2, there may be ambiguity in HARQ process 314-2. In this case, feedback on PDSCH 312-3 may be prioritized. In other words, feedback on PDSCH 312-3 may be transmitted instead of feedback on the scheduling release indication. Alternatively, feedback on the release indication may be prioritized.

[0061] In another embodiment, the prioritized feedback may be explicitly indicated from the second device 120 to the first device 110-1 when the release indication is sent, or from the first device 110-1 to the second device 120 when the feedback is sent.

[0062] Reference again Figure 2 , the first device 110-1 may extract the first value 2015 from the control information. For example, the first device 110-1 may obtain a new data indicator (NDI) from the control information. If the first value has not been toggled in association with a previous PDSCH reception of a configured scheduling process, feedback on the scheduling release indication may be transmitted by the first device 110-1. Alternatively, if the first value has been toggled in association with a previous PDSCH reception of a configured scheduling process, the first device 110-1 may not transmit feedback on the scheduling release indication. For example, if the first value is "0," it indicates that the first value has not been toggled. In this case, feedback on the scheduling release may be transmitted. The first value may also be transmitted to the second device along with the feedback. Alternatively, if the first device 110-1 obtains a third value indicating "1" from the PDCCH information, the first device 110-1 may determine that additional feedback on the data rather than the scheduling release indication should be transmitted. In this way, conflicts in HARQ processes may be avoided.

[0063] In other embodiments, the first device 110-1 may determine 2020 a second value (e.g., NDI). For example, if the first device 110-1 detects a scheduled release indication, the first device 110-1 may determine the second value in association with the detection of the scheduled release indication. By way of example only, after the detection of the scheduled release indication, the second value may be "1". The feedback for the scheduled release indication may include the second value, indicating that the feedback is associated with the scheduled release indication. In some embodiments, the second value may be determined based on the first value. For example, if the first value indicates "0", the second value may be "0". Alternatively, if the first value indicates "1", the second value may be "1".

[0064] Alternatively, first device 110-1 may determine the fourth value in association with data reception. By way of example only, first device 110-1 may determine the fourth value to be "0" and transmit additional feedback including the fourth value. In this manner, second device 120 may determine, based on the value (e.g., the second value or the fourth value) (e.g., NDI) included in the received feedback, that the received feedback is associated with a scheduling release indication or data. Thus, there is no additional overhead for distinguishing feedback.

[0065] In some embodiments, the fourth value may be determined based on the third value. For example, if the third value indicates "1," the fourth value may be "1." Alternatively, if the third value indicates "0," the fourth value may be "0."

[0066] In some embodiments, the first value and the third value may be transmitted together, for example, as two bits in a PDCCH. For example, if the first value and the third value indicate "00," first device 110-1 may determine that there is no feedback for the scheduled release indication. If the first value and the third value indicate "01," the second value for the scheduled release indication may be "0," and the fourth value for the data may be "1." Alternatively, if the first value and the third value indicate "10," the second value for the scheduled release indication may be "1," and the fourth value for the data may be "0."

[0067] The second device 120 may transmit 2025 data on the configured downlink allocation. The first device 110-1 may select 2030 a candidate HARQ for data transmission. Figure 3A, the second device 120 may transmit data on the PDSCH opportunity 302-3. HARQ 304-4 may be a candidate HARQ process for transmitting additional feedback for the data. In this case, the candidate HARQ process for the data transmission conflicts with the HARQ process selected for the scheduling release indication. The first device 110-1 may obtain 2035 priority information between the feedback for the scheduling release indication and the additional feedback for the data transmission. By way of example only, the control information may include an indicator for providing priority information. The indicator may reserve one or more bits in the control information. In this manner, priority information may be dynamically indicated to avoid conflicts. Alternatively, the priority information between the feedback for the scheduling release indication and the additional feedback for the data transmission may be preconfigured.

[0068] If the priority of the additional feedback is higher than the priority of the feedback, the first device 110-1 may transmit 2040 the additional feedback instead of the feedback. If the priority of the feedback is higher than the priority of the additional feedback, the first device 110-1 may transmit 2045 the feedback at a timing allocated for the HARQ process. For example, the feedback may be transmitted at timing 302-4, such as Figure 3A shown.

[0069] In some embodiments, second device 120 may extract 2050 a value from the feedback. For example, if the first value is extracted from the feedback, second device 120 may determine that the feedback is associated with a scheduled release indication. Alternatively, if the feedback includes the second value that is different from the previous value, the feedback is associated with a scheduled release indication. In this manner, second device 120 may conserve frequency / time resources.

[0070] For example, in some embodiments, different values ​​may be preconfigured to indicate different feedback types. For example, if the second device 120 extracts a second value indicating "0," the second device 120 may determine that the feedback is associated with a scheduled release indication. It should be noted that other values ​​may be preconfigured to be associated with feedback for a scheduled release indication.

[0071] In other embodiments, if the first value transmitted by the second device 120 indicates "0", the second device 120 may obtain a second value indicating "0", which indicates that the feedback is associated with the scheduling release indication. Alternatively, if the first value transmitted by the second device 120 indicates "1", the second device 120 may obtain a second value indicating "1", which indicates that the feedback is associated with the scheduling release indication.

[0072] In some embodiments, second device 120 may obtain a fourth value from the additional feedback, indicating that the additional feedback is associated with data reception. For example, based on predetermined information, a value of "1" may indicate that the additional feedback is associated with data. In this case, if the fourth value indicates "1," second device 120 may determine that the additional feedback is associated with data.

[0073] In other embodiments, if the third value transmitted by the second device 120 indicates "0", the second device 120 may obtain a fourth value indicating "0", which indicates that the feedback is associated with the data. Alternatively, if the third value transmitted by the second device 120 indicates "1", the second device 120 may obtain a fourth value indicating "1", which indicates that the feedback is associated with the data.

[0074] According to an embodiment of the present disclosure, there is no additional overhead, and it allows the second device 120 to pull when / after the scheduling release is sent for CB Type 3. In addition, CB Type 3 supports HARQ ACK / NACK retransmission of DL SPS PDCCH.

[0075] Figure 4 1. A flow chart illustrating an example method 400 implemented at the first device 110 according to some example embodiments of the present disclosure is shown. To facilitate discussion, the method 400 will be described from the perspective of the first device 110-1.

[0076] At block 410, first device 110-1 receives control information from second device 120. The control information includes a scheduling release indication. For example, the control information may include an SPS release indication. In some embodiments, the control information may be downlink control information transmitted on a PDCCH. The scheduling release indication may be used to release configured scheduling resources. Alternatively, the scheduling release indication may be used to release semi-persistent scheduling resources.

[0077] In block 420, the first device 110-1 selects a HARQ process to be associated with the scheduling release indication. For example, the first device 110-1 may select a HARQ process and associate the selected HARQ process with the scheduling release indication. In this way, resources may be saved and no additional overhead may be introduced. In some embodiments, the HARQ process may be selected based on the time slot in which the control information is received. For example, the scheduling release indication may be associated with a HARQ process of a subsequent PDSCH configured by the SPS. In an example embodiment, the subsequent HARQ process may be after the last HARQ process for data transmission on the configured resources released by the release indication. For example, the identification number of the selected HARQ process is an identification number associated with the first opportunity for a configured scheduling process after the scheduling release indication.

[0078] In an example embodiment, first device 110-1 may extract a first value from the control information. For example, first device 110-1 may obtain the NDI from the control information. If the first value has not been toggled in association with a previous PDSCH reception for a configured scheduling process, feedback regarding the scheduling release indication may be transmitted by first device 110-1. Alternatively, if the first value has been toggled in association with a previous PDSCH reception for a configured scheduling process, first device 110-1 may not transmit feedback regarding the scheduling release indication. For example, if the first value is "0," this indicates that the first value has not been toggled. In this case, feedback regarding the scheduling release may be transmitted. The first value may also be transmitted to the second device along with the feedback. Alternatively, if first device 110-1 obtains a third value indicating "1" from the PDCCH information, first device 110-1 may determine that additional feedback regarding the data rather than the scheduling release indication should be transmitted. In this manner, collisions of HARQ processes may be avoided.

[0079] In other embodiments, the first device 110-1 may determine a second value (e.g., NDI). For example, if the first device 110-1 detects a scheduled release indication, the first device 110-1 may determine the second value in association with the detection of the scheduled release indication. By way of example only, after the detection of the scheduled release indication, the second value may be "1". Feedback for the scheduled release indication may include the second value, which indicates that the feedback is associated with the scheduled release indication. Alternatively, the first device 110-1 may determine a fourth value in association with data reception. By way of example only, the first device 110-1 may determine that the fourth value is "0" and transmit additional feedback including the fourth value. In this way, the second device 120 may determine that the received feedback is associated with the scheduled release indication or data based on the value (e.g., NDI) included in the received feedback. Thus, there is no additional overhead for distinguishing feedback.

[0080] At block 430, the first device 110 transmits feedback of the scheduling release indication to the second device 120 on the timing allocated for the HARQ process. In some embodiments, the first device 110-1 may receive data on the configured downlink allocation. The first device 110-1 may select a candidate HARQ for data transmission. Figure 3A, the second device 120 may transmit data on the PDSCH opportunity 302-3. HARQ 304-4 may be a candidate HARQ process for transmitting additional feedback for the data. In this case, the candidate HARQ process for the data transmission conflicts with the HARQ process selected for the scheduling release indication. The first device 110-1 may obtain priority information between the feedback for the scheduling release indication and the additional feedback for the data transmission. By way of example only, the control information may include an indicator for providing priority information. The indicator may reserve one or more bits in the control information. In this manner, the priority information may be dynamically configured to avoid conflicts. Alternatively, the priority information between the feedback for the scheduling release indication and the additional feedback for the data transmission may be preconfigured.

[0081] If the additional feedback has a higher priority than the feedback, the first device 110-1 may transmit the additional feedback instead of the feedback.If the feedback has a higher priority than the additional feedback, the first device 110-1 may transmit the feedback.

[0082] According to an embodiment of the present disclosure, there is no additional overhead in TYPE-3 CB, which allows the second device 120 to pull for TYPE-3 CB when / after the scheduling release is sent. In addition, TYPE-3 CB supports HARQ ACK / NACK retransmission of DL SPS PDCCH.

[0083] Figure 5 A flow chart of an example method 500 implemented at the second device 120 according to some example embodiments of the present disclosure is shown. For ease of discussion, the method 500 will be described from the perspective of the second device 120.

[0084] At block 510, second device 120 transmits control information to first device 110-1. The control information includes a scheduling release indication. For example, the control information may include an SPS release indication. In some embodiments, the control information may be downlink control information transmitted on a PDCCH. The scheduling release indication may be used for a configured scheduling release. Alternatively, the scheduling release indication may be used for a semi-persistent scheduling release.

[0085] In some embodiments, the second device 120 may determine a value that may be switched in association with the scheduling release indication. For example, the second device 120 may determine the NDI of the HARQ process. For example only, the second device 120 may determine "0" for the scheduling release indication.

[0086] At block 520, second device 120 receives feedback from first device 110-1 at a timing allocated for a HARQ process. In some embodiments, second device 120 may extract a value from the feedback. For example, if the first value is extracted from the feedback, second device 120 may determine that the feedback is associated with a scheduling release indication. Alternatively, if the feedback includes the second value that is different from the previous value, the feedback is associated with a scheduling release indication.

[0087] In some example embodiments, a first apparatus (e.g., first device 110) capable of performing any of the methods 400 may include a component for performing the corresponding operations of method 400. The component may be implemented in any suitable form. For example, the component may be implemented by a circuit system or a software module. The first apparatus may be implemented as the first device 110 or included in the first device 110. In some embodiments, the component may include at least one processor and at least one memory including computer program code. The at least one memory and the computer program code are configured to cause the operation of the apparatus together with the at least one processor.

[0088] In some embodiments, the apparatus includes: means for receiving, at a first device, control information from a second device, the control information including a scheduling release indication for releasing configured resources; means for selecting a hybrid automatic repeat request (HARQ) process to be associated with the scheduling release indication; and means for transmitting feedback on the scheduling release indication to the second device at a timing allocated for the selected HARQ process.

[0089] In some embodiments, the HARQ process is selected based on the time slot over which the control information is received.

[0090] In some embodiments, the scheduling release indication is used to release configured resources or semi-persistently scheduled resources.

[0091] In some embodiments, the means for selecting the HARQ process includes means for selecting as the HARQ process a subsequent HARQ process after a last HARQ process used for the data transmission.

[0092] In some embodiments, the apparatus further comprises means for releasing data transmission on the configured resources.

[0093] In some embodiments, the means for transmitting the feedback comprises means for extracting a first value from the control information, the first value being switched in association with the scheduling release indication; and means for transmitting the first value to the second device as at least part of the feedback.

[0094] In some embodiments, the means for transmitting feedback includes: means for determining, in response to receiving the scheduled release indication, a second value that is toggled in association with receipt of the scheduled release indication; and means for transmitting the second value as at least part of the feedback to the second device.

[0095] In some embodiments, the apparatus further comprises means for selecting a candidate HARQ process in response to receiving data from the second device; means for extracting a third value from the control information based on determining that the candidate HARQ process conflicts with the HARQ process, the third value being switched in association with the data; and means for transmitting additional feedback on the data to the second device for the HARQ process.

[0096] In some embodiments, the apparatus further comprises means for selecting a candidate HARQ process in response to receiving data from a second device; means for determining a fourth value to be switched in association with reception of the data based on determining that the candidate HARQ process conflicts with the HARQ process; and means for transmitting additional feedback to the second device, the additional feedback comprising the fourth value.

[0097] In some embodiments, the apparatus further comprises means for selecting a candidate HARQ process in response to receiving data from the second device; and means for transmitting additional feedback on the data for the HARQ process to the second device based on determining that the candidate HARQ process collides with the HARQ process.

[0098] In some embodiments, the apparatus further comprises a component for selecting a candidate HARQ process in response to receiving data from a second device; a component for obtaining a scheduling release indication and priority information of the data from the control information based on determining that the candidate HARQ process conflicts with the HARQ process; and a component for transmitting additional feedback on the data to the second device on HARQ based on determining that the scheduling release indication has a higher priority than the data.

[0099] In some embodiments, the first device comprises a terminal device and the second device comprises a network device.

[0100] In some example embodiments, a second device (e.g., second device 120) capable of performing any of the methods 500 may include a component for performing the corresponding operations of method 500. The component may be implemented in any suitable form. For example, the component may be implemented by a circuit system or a software module. In some embodiments, the component may include at least one processor and at least one memory including computer program code. The at least one memory and the computer program code are configured to cause the operation of the device together with the at least one processor. The first device may be implemented as the second device 120 or included in the second device 120.

[0101] In some embodiments, the apparatus includes means for transmitting, at the second device, control information including a scheduling release indication to the first device; and means for receiving feedback of a hybrid automatic repeat request (HARQ) process associated with the scheduling release indication from the first device.

[0102] In some embodiments, the means for transmitting the control information comprises means for determining a value to be toggled in association with the scheduling release indication; and means for transmitting the value to the first device as at least a portion of the control information.

[0103] In some embodiments, the apparatus further comprises means for extracting a value from the feedback; and means for determining, based on the value, that the feedback is associated with a scheduling release indication.

[0104] In some embodiments, the means for transmitting the control information comprises means for determining priority information for the scheduling release indication and the data based on determining that the data is to be transmitted to the first device; and means for transmitting the priority information to the first device as at least part of the control information.

[0105] In some embodiments, the first device comprises a terminal device and the second device comprises a network device.

[0106] Figure 6 is a simplified block diagram of a device 600 suitable for implementing an example embodiment of the present disclosure. The device 600 may be provided to implement a communication device, for example, Figure 1 The first device 110 or the second device 120 is shown. As shown, the device 600 includes one or more processors 610, one or more memories 620 coupled to the processor 610, and one or more communication modules 840 coupled to the processor 610.

[0107] The communication module 640 is configured for bidirectional communication. The communication module 640 has one or more communication interfaces to facilitate communication with one or more other modules or devices. A communication interface may represent any interface required for communication with other network elements. In some exemplary embodiments, the communication module 640 may include at least one antenna.

[0108] Processor 610 can be of any type suitable for the local technology network and, as non-limiting examples, can include one or more of the following: a general-purpose computer, a special-purpose computer, a microprocessor, a digital signal processor (DSP), and a processor based on a multi-core processor architecture. Device 600 can have multiple processors, such as application-specific integrated circuit chips that are time-slave to a clock synchronized with a main processor.

[0109] The memory 620 may include one or more non-volatile memories and one or more volatile memories. Examples of non-volatile memories include, but are not limited to, read-only memory (ROM) 624, electrically programmable read-only memory (EPROM), flash memory, hard disks, compact disks (CDs), digital video disks (DVDs), optical disks, laser disks, and other magnetic and / or optical storage. Examples of volatile memories include, but are not limited to, random access memory (RAM) 622 and other volatile memories that do not persist during power outages.

[0110] Computer program 630 includes computer-executable instructions executed by associated processor 610. Program 630 may be stored in a memory, such as ROM 624. Processor 610 may perform any suitable actions and processes by loading program 630 into RAM 622.

[0111] Some exemplary embodiments of the present disclosure may be implemented by the program 630 so that the device 600 may execute the following steps: Figures 2 to 5 Any process of the present disclosure discussed. Example embodiments of the present disclosure may also be implemented by hardware or a combination of software and hardware.

[0112] In some example embodiments, program 630 may be tangibly embodied in a computer-readable medium that may be included in device 600 (such as memory 620) or other storage device accessible to device 600. Device 600 may load program 630 from the computer-readable medium into RAM 622 for execution. The computer-readable medium may include any type of tangible, non-volatile memory, such as ROM, EPROM, flash memory, hard disks, CDs, DVDs, and other magnetic and / or optical storage devices. Figure 7 An example of a computer readable medium 700 in the form of an optical storage disc is shown. The computer readable medium has a program 630 stored thereon.

[0113] In general, various embodiments of the present disclosure may be implemented using hardware or dedicated circuits, software, logic, or any combination thereof. Some aspects may be implemented using hardware, while other aspects may be implemented using firmware or software that may be executed by a controller, microprocessor, or other computing device. Although various aspects of the embodiments of the present disclosure are illustrated and described as block diagrams, flow charts, or using some other graphical representations, it should be understood that, as non-limiting examples, the blocks, devices, systems, techniques, or methods described herein may be implemented using hardware, software, firmware, dedicated circuits or logic, general-purpose hardware or a controller or other computing device, or some combination thereof.

[0114] The present disclosure also provides at least one computer program product tangibly stored on a non-transitory computer readable storage medium. The computer program product includes computer executable instructions, such as instructions included in a program module, which are executed in a device on a target physical or virtual processor to perform the above-referenced Figures 2 to 5 Any of the methods described. Generally, program modules include routines, programs, libraries, objects, classes, components, data structures, etc. that perform specific tasks or implement specific abstract data types. In various embodiments, the functionality of program modules can be combined or split between program modules as needed. The machine-executable instructions of program modules can be executed on local or distributed devices. In distributed devices, program modules can be located in both local and remote storage media.

[0115] The program code for executing the disclosed method can be written in any combination of one or more programming languages. These program codes can be provided to a processor or controller of a general-purpose computer, a special-purpose computer or other programmable data processing device so that the program code causes the function / operation specified in the flow chart and / or block diagram to be realized when executed by the processor or controller. The program code can be executed entirely on the machine, partially on the machine, as an independent software package, partially on the machine and partially on a remote machine, or entirely on a remote machine or server.

[0116] In the context of the present disclosure, computer program codes or related data may be carried by any suitable carrier to enable a device, apparatus or processor to perform various processes and operations as described above. Examples of carriers include signals, computer-readable media, etc.

[0117] Computer readable media can be computer readable signal media or computer readable storage media.Computer readable media can include but are not limited to electronic, magnetic, optical, electromagnetic, infrared or semiconductor systems, devices or equipment, or any suitable combination of the foregoing.More specific examples of computer readable storage media will include electrical connections with one or more wires, portable computer floppy disks, hard disks, random access memories (RAM), read-only memories (ROM), erasable programmable read-only memories (EPROM or flash memory), optical fibers, portable compact disc read-only memories (CD-ROM), optical storage devices, magnetic storage devices, or any suitable combination of the foregoing.

[0118] In addition, although operations are described in a particular order, this should not be understood as requiring such operations to be performed in the particular order shown or in sequence or performing all of the operations shown to obtain the desired result. In some cases, multitasking and parallel processing may be advantageous. Similarly, although several specific implementation details have been included in the above discussion, these should not be interpreted as limiting the scope of this disclosure, but rather as descriptions of features that may be specific to a particular embodiment. Certain features described in the context of a separate embodiment may also be implemented in combination in a single embodiment. On the contrary, the various features described in the context of a single embodiment may also be implemented in multiple embodiments individually or in any suitable sub-combination.

[0119] Although the disclosure has been described in language specific to structural features and / or methodological acts, it should be understood that the disclosure defined in the appended claims is not necessarily limited to the specific features or acts described above. Rather, the specific features and acts described above are disclosed as example forms of implementing the claims.

Claims

1. A first device for communication, comprising: at least one processor; as well as at least one memory including computer program code; The at least one memory and the computer program code are configured to, with the at least one processor, cause the first device to: receiving control information from a second device, the control information including a scheduling release indication for releasing configured resources; selecting a hybrid automatic repeat request HARQ process to be associated with the scheduling release indication; as well as transmitting, at a timing allocated for the selected HARQ process, feedback on the scheduling release indication to the second device; wherein the first device is caused to transmit the feedback by: In response to receiving the scheduled release indication, determining a second value of a new data indicator that is toggled in association with the receipt of the scheduled release indication; and transmitting the second value to the second device as at least part of the feedback; wherein the first device is further caused to: In response to receiving data from the second device, determining a fourth value of a new data indicator toggled in association with the receipt of the data; and Further feedback is transmitted to the second device for the HARQ process, the further feedback comprising the fourth value. 2 . The first device of claim 1 , wherein the HARQ process is selected based on a time slot on which the control information is received. 3 . The first device according to claim 1 , wherein the scheduling release indication is used to release configured scheduling resources or semi-persistent scheduling resources.

4. The first device of claim 1 , wherein the first device is caused to select the HARQ process by: A subsequent HARQ process subsequent to a last HARQ process used for data transmission is selected as the HARQ process.

5. The first device of claim 1 , wherein the first device is caused to select the HARQ process by: A subsequent HARQ process is selected after a last HARQ process used for data transmission on the configured resources released by the release indication.

6. The first device of claim 1 , wherein the first device is caused to transmit the feedback by: extracting a first value of a new data indicator from the control information, the first value being switched in association with the scheduling release indication; and The first value is transmitted to the second device as at least part of the feedback.

7. The first device of claim 1 , wherein the first device is further caused to: In response to receiving data from the second device, selecting a candidate HARQ process; extracting a third value of a new data indicator from the control information based on determining that the candidate HARQ process conflicts with the HARQ process, the third value being toggled in association with the data; and The additional feedback of the data is transmitted to the second device for the HARQ process.

8. The first device of claim 1 , wherein the first device is further caused to: selecting a candidate HARQ process in response to receiving data from the second device; and Based on determining that the candidate HARQ process collides with the HARQ process, determining the fourth value of the new data indicator that is switched in association with the reception of the data.

9. The first device of claim 1 , wherein the first device is further caused to: selecting a candidate HARQ process in response to receiving data from the second device; and Based on determining that the candidate HARQ process collides with the HARQ process, transmitting the additional feedback of the data to the second device for the HARQ process.

10. The first device of claim 1 , wherein the first device is further caused to: In response to receiving data from the second device, selecting a candidate HARQ process; obtaining the scheduling release indication and the priority information of the data from the control information based on determining that the candidate HARQ process conflicts with the HARQ process; and Based on determining that the scheduling release indication has a higher priority than the data, the further feedback for the data is transmitted to the second device on the HARQ.

11. The first device according to claim 1, wherein the first device comprises a terminal device, and the second device comprises a network device.

12. A second device for communication, comprising: at least one processor; as well as at least one memory including computer program code; The at least one memory and the computer program code are configured to, with the at least one processor, cause the second device to: transmitting control information including a scheduling release indication to the first device; as well as receiving, from the first device, feedback on an opportunity allocated for a hybrid automatic repeat request (HARQ) process associated with the scheduled release indication, the feedback comprising a second value of a new data indicator toggled in association with the transmission of the scheduled release indication; wherein the second device is further caused to: transmitting data to the first device, and Further feedback is received from the first device for the HARQ process, the further feedback comprising a fourth value of a new data indicator toggled in association with the transmission of the data.

13. The second device according to claim 12, wherein the second device is caused to transmit the control information by: determining a value of a new data indicator to be switched in association with the scheduling release indication; and The value is transmitted to the first device as at least part of the control information.

14. The second device of claim 13, wherein the second device is further caused to: extracting the value from the feedback; and The feedback is determined to be associated with the scheduling release indication based on the value.

15. The second device of claim 12, wherein the second device is caused to transmit the control information by: Determining the scheduling release indication and priority information of the data based on determining that the data will be transmitted to the first device; and The priority information is transmitted to the first device as at least a part of the control information.

16. The second device according to claim 12, wherein the first device comprises a terminal device, and the second device comprises a network device.

17. A method for communication, comprising: At a first device, receiving control information from a second device, the control information including a scheduling release indication for releasing configured resources; selecting a hybrid automatic repeat request HARQ process to be associated with the scheduling release indication; as well as transmitting, at a timing allocated for the selected HARQ process, feedback on the scheduling release indication to the second device; The transmitting of the feedback comprises: In response to receiving the scheduled release indication, determining a second value of a new data indicator that is toggled in association with the receipt of the scheduled release indication; and transmitting the second value to the second device as at least part of the feedback; The method further comprises: In response to receiving data from the second device, determining a fourth value of a new data indicator toggled in association with the receipt of the data; and Further feedback is transmitted to the second device for the HARQ process, the further feedback comprising the fourth value.

18. The method of claim 17, wherein the HARQ process is selected based on a time slot on which the control information is received. The method according to claim 17 , wherein the scheduling release indication is used to release configured scheduling resources or semi-persistent scheduling resources.

20. The method of claim 17, wherein selecting the HARQ process comprises: A subsequent HARQ process subsequent to a last HARQ process used for data transmission is selected as the HARQ process.

21. The method of claim 17, wherein selecting the HARQ process comprises: A subsequent HARQ process is selected after a last HARQ process used for data transmission on the configured resources released by the release indication.

22. The method of claim 17, wherein transmitting the feedback comprises: extracting a first value of a new data indicator from the control information, the first value being switched in association with the scheduling release indication; as well as The first value is transmitted to the second device as at least part of the feedback.

23. The method of claim 17, further comprising: selecting a candidate HARQ process in response to receiving data from the second device; extracting a third value of a new data indicator from the control information based on determining that the candidate HARQ process conflicts with the HARQ process, the third value being toggled in association with the data; as well as The additional feedback of the data is transmitted to the second device for the HARQ process.

24. The method of claim 17, further comprising: selecting a candidate HARQ process in response to receiving data from the second device; as well as Based on determining that the candidate HARQ process collides with the HARQ process, determining the fourth value of the new data indicator that is switched in association with the reception of the data.

25. The method of claim 17, further comprising: selecting a candidate HARQ process in response to receiving data from the second device; as well as Based on determining that the candidate HARQ process collides with the HARQ process, transmitting the additional feedback of the data to the second device for the HARQ process.

26. The method of claim 17, further comprising: selecting a candidate HARQ process in response to receiving data from the second device; acquiring, from the control information, the scheduling release indication and the priority information of the data, based on determining that the candidate HARQ process conflicts with the HARQ process; as well as Based on determining that the scheduling release indication has a higher priority than the data, the further feedback for the data is transmitted to the second device on the HARQ.

27. The method of claim 17, wherein the first device comprises a terminal device, and the second device comprises a network device.

28. A method for communication, comprising: At the second device, transmitting control information including a scheduling release indication to the first device; as well as receiving, from the first device, feedback on an opportunity allocated for a hybrid automatic repeat request (HARQ) process associated with the scheduled release indication, the feedback comprising a second value of a new data indicator toggled in association with the transmission of the scheduled release indication; The method further comprises: At the second device, transmitting data to the first device, and Further feedback is received from the first device for the HARQ process, the further feedback comprising a fourth value of a new data indicator toggled in association with the transmission of the data.

29. The method of claim 28, wherein transmitting the control information comprises: determining a value of a new data indicator to be switched in association with the scheduling release indication; as well as The value is transmitted to the first device as at least part of the control information.

30. The method of claim 29, further comprising: extracting the value from the feedback; as well as The feedback is determined to be associated with the scheduling release indication based on the value.

31. The method of claim 28, wherein transmitting the control information comprises: determining the scheduling release indication and priority information of the data based on determining that the data will be transmitted to the first device; as well as The priority information is transmitted to the first device as at least a part of the control information.

32. The method of claim 28, wherein the first device comprises a terminal device and the second device comprises a network device.

33. A computer-readable medium comprising program instructions for causing an apparatus to at least perform the method according to any one of claims 17 to 27.

34. A computer-readable medium comprising program instructions for causing an apparatus to at least perform the method according to any one of claims 28 to 32.

35. An apparatus for communication, comprising: means for receiving, at the first device, control information from the second device, the control information comprising a scheduling release indication for releasing configured resources; means for selecting a hybrid automatic repeat request (HARQ) process to be associated with said scheduling release indication; as well as means for transmitting feedback on the scheduling release indication to the second device at an opportunity allocated for the selected HARQ process; The component for transmitting the feedback comprises: means for determining, in response to receiving the scheduled release indication, a second value of a new data indicator to be switched in association with the receipt of the scheduled release indication; and means for transmitting said second value to said second device as at least part of said feedback; The device further comprises: means for determining, in response to receiving data from the second device, a fourth value of a new data indicator to be toggled in association with said receipt of said data; and means for transmitting additional feedback to the second device for the HARQ process, the additional feedback comprising the fourth value.

36. An apparatus for communication, comprising: means for transmitting, at the second device, to the first device, control information comprising a scheduling release indication; as well as means for receiving feedback from the first device on an opportunity allocated for a hybrid automatic repeat request (HARQ) process associated with the scheduled release indication, the feedback comprising a second value of a new data indicator toggled in association with the transmission of the scheduled release indication; The device further comprises: means for transmitting data to said first device, and means for receiving additional feedback from the first device for the HARQ process, the additional feedback comprising a fourth value of a new data indicator toggled in association with the transmission of the data.

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