WO2024091168A1 - Entités et procédés de planification de communications sensible au retard - Google Patents

Entités et procédés de planification de communications sensible au retard Download PDF

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Publication number
WO2024091168A1
WO2024091168A1 PCT/SE2023/051062 SE2023051062W WO2024091168A1 WO 2024091168 A1 WO2024091168 A1 WO 2024091168A1 SE 2023051062 W SE2023051062 W SE 2023051062W WO 2024091168 A1 WO2024091168 A1 WO 2024091168A1
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Prior art keywords
mcs
determining
communication
network node
scheduling
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PCT/SE2023/051062
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English (en)
Inventor
Henning Wiemann
Daniel Cederholm
Mete DESTAN
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Telefonaktiebolaget Lm Ericsson (Publ)
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Publication of WO2024091168A1 publication Critical patent/WO2024091168A1/fr

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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/0001—Systems modifying transmission characteristics according to link quality, e.g. power backoff
    • H04L1/0002—Systems modifying transmission characteristics according to link quality, e.g. power backoff by adapting the transmission rate
    • H04L1/0003—Systems modifying transmission characteristics according to link quality, e.g. power backoff by adapting the transmission rate by switching between different modulation schemes
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/0001—Systems modifying transmission characteristics according to link quality, e.g. power backoff
    • H04L1/0009—Systems modifying transmission characteristics according to link quality, e.g. power backoff by adapting the channel coding
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/0001—Systems modifying transmission characteristics according to link quality, e.g. power backoff
    • H04L1/0015—Systems modifying transmission characteristics according to link quality, e.g. power backoff characterised by the adaptation strategy
    • H04L1/0017—Systems modifying transmission characteristics according to link quality, e.g. power backoff characterised by the adaptation strategy where the mode-switching is based on Quality of Service requirement
    • H04L1/0018—Systems modifying transmission characteristics according to link quality, e.g. power backoff characterised by the adaptation strategy where the mode-switching is based on Quality of Service requirement based on latency requirement
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/12—Arrangements for detecting or preventing errors in the information received by using return channel
    • H04L1/16—Arrangements for detecting or preventing errors in the information received by using return channel in which the return channel carries supervisory signals, e.g. repetition request signals
    • H04L1/18—Automatic repetition systems, e.g. Van Duuren systems
    • H04L1/1867—Arrangements specially adapted for the transmitter end
    • H04L1/1887—Scheduling and prioritising arrangements
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/003—Arrangements for allocating sub-channels of the transmission path
    • H04L5/0044—Arrangements for allocating sub-channels of the transmission path allocation of payload
    • H04L5/0046—Determination of how many bits are transmitted on different sub-channels
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/0091—Signaling for the administration of the divided path
    • H04L5/0094—Indication of how sub-channels of the path are allocated

Definitions

  • the present disclosure is related to communication systems, entities, communication devices, network nodes, and hosts, for scheduling data in a communication network.
  • FIG. 1 illustrates an example of a New Radio (“NR”) network (e.g., a 5th Generation (“5G”) network) including a 5G Core (“5GC”) network 130, network nodes 120a-b (e.g., 5G base station (“gNB”)), multiple communication devices 110 (also referred to as user equipment (“UE”)).
  • NR New Radio
  • 5G 5th Generation
  • 5GC 5G Core
  • gNB 5G base station
  • UE user equipment
  • the channel capacity (e.g., how much data that can be carried per second) is dependent on radio frequency (“RF”) channel conditions.
  • RF radio frequency
  • MCS Modulation and Coding Schemes
  • the algorithm responsible for selecting the MCS and maintaining a reasonable level of robustness vs spectrum efficiency can be referred to as Link Adaptation (“LA”).
  • LA can be implemented in different ways with proprietary methods for how measurements and channel estimations are performed and used for optimizing the MCS selection. In some examples, it includes two major blocks: an inner LA and an outer LA (“OLA”).
  • the inner LA measures the characteristics of the latest transmissions for each UE and uses that information as input for MCS selection in the next scheduling occasion for respective UEs. This can give quick changes in MCS if the channel condition changes.
  • the system is designed to operate close to a pre-defined block-error rate (“BLER”) target (e.g., an expected number of transmissions that are received with error) and it is up to the implementation to map the MCS to the channel conditions to come as close to that target as possible.
  • BLER block-error rate
  • 3GPP, TS 38.214, V15.3.0 has also defined different MCS tables with different ranges and granularity that are intended to be used for different BLER targets.
  • One table can be adjusted to operate close to another BLER target by adding a signal -to-interference-and-noise ratio (“SINR”) offset to the LA algorithm.
  • SINR signal -to-interference-and-noise ratio
  • the inner LA may not do any validation and adjustments to how close to the BLER target it operates, which can be the purpose of the OLA.
  • the OLA can be implemented to act more slowly than the inner LA by performing small adjustments upon each transmission based on the actual BLER. If a transmission is received with an error (typically indicated by a negative acknowledgment (“NACK”) in a hybrid automatic repeat request (“HARQ”)-loop), the OLA adds a small offset into the MCS selection algorithm so that more robustness is added. If the transmission is received successfully (as indicated by an acknowledgment (“ACK”)), the OLA adds an offset in the other direction so that less robustness is used.
  • the adjustment offset is the accumulation of up and down steps and the OLA is designed so that the adjustment offset should converge around the chosen BLER target.
  • a BLER target is set to 10% to get a good trade-off between robustness and spectrum-efficiency.
  • the primary need may be to get as much data through as possible so that the content is delivered to the user as quickly as possible (time-to-content) but the application will not be degraded much by some individual packets getting retransmitted and received with higher latency.
  • time critical communication services such as industrial protocols, cloud gaming, and extended reality (“XR”)
  • XR extended reality
  • a much lower BLER target e.g., down to 0.001% may be needed to increase the robustness and avoid too many retransmissions causing jitter and delay.
  • BLER block error rate
  • PRBs Physical Resource Blocks
  • the link adaptation (“LA”) algorithm uses additional radio resources to transmit additional redundancy with the aim to avoid delays due to potential retransmission. But, if the available resources don’t suffice to drain the data queues, one will observe queuing delays instead.
  • This problem can be especially prevalent in uplink when a downlink heavy time division duplex (“TDD”) pattern such as Downlink-Downlink- Downlink-Special-Uplink (DDDSU) is used.
  • TDDSU downlink heavy time division duplex
  • DDDSU Downlink-Downlink- Downlink-Special-Uplink
  • a low BLER target can be applied (thereby reducing the delay due to potential retransmissions) if the available radio resources suffice to serve the queued data. Otherwise a higher BLER target is applied (if that helps to avoid additional queuing delay).
  • a method of operating an entity in a communications network that includes a network node and a communication device.
  • the method includes determining scheduling information associated with data to be communicated between the communication device and the network node based on an expected retransmission delay and the expected queueing delay associated with the scheduling information.
  • the method further includes scheduling communication between the communication device and the network node based on the determined scheduling information.
  • a method of operating an entity wherein determining scheduling information comprises determining whether using a first MCS rather than a second MCS would result in an additional expected queueing delay, the first MCS being lower than the second MCS.
  • the method may further include selecting the first MCS or the second MCS based on whether using the first MCS rather than the second MCS would result in the additional expected queueing delay.
  • determining the scheduling information may include determining an amount of the radio resources and a code rate associated with the MCS in accordance with a high block error rate, BLER, target. Responsive to determining that increasing the amount of radio resources and decreasing a code rate associated with the MCS will not cause an increase in the expected queuing delay, increasing the amount of radio resources and decreasing the code rate associated with the MCS.
  • determining the scheduling information may include determining an amount of the radio resources and a code rate associated with the MCS in accordance with a low block error rate, BLER, target. Responsive to determining that increasing the spectrum efficiency of the radio resources will reduce the expected queuing delay, decreasing the amount of radio resources and/or increasing the code rate associated with the MCS.
  • the data may comprise a first portion and a second portion, the first portion of the data having higher priority than the second portion of the data. The expected queueing delay is associated with the first portion of the data.
  • determining scheduling information comprises performing an inner link adaptation, LA, procedure and performing an outer LA, OLA, procedure.
  • performing the inner LA procedure may include determining a modulation coding scheme, MCS and a transport block size, TBS, based on the MCS.
  • performing the inner LA procedure may include determining a first modulation coding scheme, MCS, with a first block error rate, BLER, target. Determining a transport block size, TBS, based on the first MCS and responsive to the TBS being less than a threshold number of bits, determining a second MCS with a second BLER target that is higher than the first BLER target. The communication is scheduled using the second MCS.
  • MCS modulation coding scheme
  • BLER block error rate
  • performing the inner LA procedure may include determining a modulation coding scheme, MCS, with a block error rate, BLER, target and determining an available transport block size, TBS, based on the MCS.
  • Scheduling the communication comprises, responsive to a number of unused resources in a slot associated with the available TBS being below a threshold value, scheduling the communication using the MCS.
  • performing the OLA procedure may include receiving a hybrid automatic repeat request, HARQ, response and adjusting a signal-to-noise-and-interference ratio, SINR, offset based on whether the HARQ response includes an acknowledgment, ACK, or negative-ACK, NACK.
  • SINR signal-to-noise-and-interference ratio
  • performing the inner LA procedure may include determining a first modulation coding scheme, MCS, with a first block error rate, BLER, target and determining an available transport block size, TBS, based on the first MCS. Responsive to there being unused resources in a slot associated with the available TBS, determining a second MCS based on a signal-to-interference-and-noise ratio, SINR, offset added to the LA, wherein scheduling the communication comprises scheduling the communication using the second MCS.
  • MCS modulation coding scheme
  • BLER block error rate
  • TBS transport block size
  • a method implemented in a host providing user data for a communication device and initiating a transmission carrying the user data to the communication device via a cellular network comprising a network node, wherein the network node performs the following operations to transmit the user data from the host to the communication device.
  • the method may further include scheduling communication between the communication device and the network node based on the scheduling information.
  • an entity a communication device, a network node, a computer program, a computer program product, a non-transitory computer readable medium, a host, or a communication system is provided to perform the method above.
  • Certain aspects of the disclosure and their embodiments may provide technical advantages.
  • the overall latency of the end-to-end service will decrease.
  • a proposed scheme avoids increasing a lower BLER target if the corresponding increase in queuing delay would outweigh the potential reduction in retransmission delay.
  • FIG. 1 is a schematic diagram illustrating an example of a communication ”) network
  • FIGS. 2, 3, 4 and, 5 are flow charts illustrating examples of a data adaptive link adaptation (“LA”) procedure in accordance with some embodiments
  • FIG. 6 is a flow chart illustrating an example of operations performed by an entity in accordance with some embodiments.
  • FIG. 7 is a block diagram of a communication system in accordance with some embodiments.
  • FIG. 8 is a block diagram of a user equipment in accordance with some embodiments
  • FIG.9 is a block diagram of a network node in accordance with some embodiments
  • FIG.10 is a block diagram of a host, which may be an embodiment of the host of Figure 7, in accordance with some embodiments;
  • FIG. 11 is a block diagram of a virtualization environment in accordance with some embodiments.
  • FIG: 12 shows a communication diagram of a host communicating via a network node with a user equipment over a partially wireless connection in accordance with some embodiments.
  • block error rate (“BLER”) targets can be used to get different levels of robustness for different services.
  • BLER block error rate
  • LA link adaptation
  • a lower code rate is only selected if it does not result in additional queuing delays (e.g., if the total amount of pending data can still be served within one slot).
  • the lower and higher code rates are determined by a lower and higher BLER target.
  • the amount of radio resources and the modulation and coding scheme is initially selected in accordance with a higher BLER target (e.g., 10%) and the amount of radio resources is subsequently increased (and code rate is decreased) only if that does not result in additional queuing delays (e.g., only if there are radio resources left).
  • a higher BLER target e.g. 10%
  • code rate is decreased
  • the amount of radio resources and the modulation and coding scheme is initially selected in accordance with a lower BLER target (e.g., 0.01%) and the spectrum efficiency of the selected amount of radio resources is increased if the data buffer cannot be drained so that there will be an additional queuing delay with the initially selected code rate.
  • a lower BLER target e.g., 0.01%
  • the determination of the additional queuing delay takes only data of selected priority levels into account (e.g., only pending traffic that is considered latency critical).
  • OLA outer LA
  • ACK acknowledge
  • NACK negative-ACK
  • a larger OLA down-step size (offset applied upon decoding error, NACK) is applied when the modulation codding scheme (“MCS”) had been chosen using the lower BLER target, and/or wherein a smaller OLA up-step size (offset applied upon decoding success, ACK) is applied when the MCS had been chosen using the lower BLER target, (or vice versa for the higher BLER target).
  • MCS modulation codding scheme
  • a default mode of operation is to follow a “low” BLER target for time critical service.
  • FIG. 2 illustrates an example of a LA procedure that initially starts with a low BLER target.
  • the LA when the LA is preparing for the next uplink scheduling opportunity for a UE it can start by selecting an MCS based on a default inner LA and the outer LA offset received from that low BLER target.
  • the available Transport Block Size (“TBS”) for that selected MCS can then be calculated.
  • TBS Transport Block Size
  • the next step may be to schedule the data for that MCS.
  • the transmission is marked as a low BLER transmission for the OLA handling.
  • the scheduling can proceed with a marking that this transmission is following the low BLER target (block 250). If the desired bits cannot be fulfilled, the spectrum efficiency can be increased so that more data can fit with the transmission since the optimal latency will not be achieved due to serialization delay.
  • a new MCS can be selected with a high BLER target OLA offset.
  • the transmission can be marked as a high BLER transmission for the OLA handling. Then at block 250, the scheduling can proceed with a marking that this transmission is following the high BLER target.
  • FIGS. 2-3 illustrates examples in which several OLA loops for different BLER targets can be maintained.
  • the LA proceeds to the next OLA loop and marks the transmission with the number of that BLER loop. It then calculates a new MCS for that OLA offset and then checks if the desiredBits can be fulfilled this time. If it can proceed with the scheduling or it can try even a third OLA loop (if that is implemented).
  • the OLA algorithm checks the transmission marking and it steps up (for ACK) or down (for NACK) the OLA offset for the OLA loop that is marked.
  • FIG. 4 illustrates an example of a LA procedure that initially starts with a high BLER target.
  • the LA when the LA is preparing for the next uplink scheduling opportunity for a UE it may start by selecting an MCS based on a default inner LA and the outer LA offset received from the initial high BLER target.
  • the amount of radio resources e.g. PRBs
  • TBS Transport Block Size
  • the transmission is marked as a high BLER transmission for the OLA handling.
  • a check of unused resources e.g. PRBs
  • Block 425 checks whether the selected resources (e.g. PRBs) are less or equal to available resources (e.g. PRBs).
  • the scheduling of data proceeds with the selected MCS, block 480. If selected resources are less than available resources add an SINR offset to the LA with a chosen step-size, block 430. In block 440 the transmission is marked as a low BLER transmission for the OLA handling. In block 445, it is proposed to check if the total SINR offset is larger than a max offset. If the total SINR offset is larger than max offset select the MCS with the max SINR offset value, block 470, and proceed to scheduling data with the selected MCS, block 480.
  • SINR offset is not larger than the max offset
  • available resource e.g. PRBs
  • block 455 it is proposed to check if the available TBS for the selected MCS with the new SINR offset is larger than (or equal to) the number of desired bits. If TBS is larger than the number of the desired bits go back to block 425 and repeat procedure. If desired bits are less than TBS, the spectrum efficiency can be increased by going back one SINR offset set and select MCS with that offset, block 460. Then at block 480 the scheduling proceeds with the selected MCS.
  • FIG. 5 illustrates an example where a received transmission is marked as either high or low BLER transmission in block 515. If transmission is marked as low BLER transmission, the OLA will ignore to update the OLA offset as in block 560. If the transmission is marked as high BLER transmission in block 515, an acknowledgment (ACK) or negative acknowledgment (NACK) check will be done in block 525. If an ACK is received, the OLA add a step up offset in block 530. If a NACK is received, the OLA adds an offset in the other direction to step down OLA offset, in block 540. In block 550 the updated OLA value is sent to the inner LA.
  • ACK acknowledgment
  • NACK negative acknowledgment
  • FIGS. 4-5 illustrate examples in which only one active OLA loop (for the low BLER target) is maintained. If the desiredBits can’t be fulfilled it will instead of going to another OLA loop just add an extra SINR offset (according to a chosen step-size) and then calculate a new MCS based on that. It will then calculate a new TBS and compare against the desiredBits and iterate that until desiredBits can be transmitted or until a max offset value has been reached. This scheduling will then be marked as an “aggressive” scheduling indicating that it is more opportunistic than the BLER target. The OLA will then simply ignore to update the OLA offset when an ACK or NACK is received with such a marking.
  • both the double active and single active loop procedures can be implemented in a “reverse” order so that it initially starts with the high BLER target. Then if there still are available resources in the next slot it can attempt to increase the robustness if that doesn’t result in additional queuing delays (desiredBits > TBS).
  • the innovations described above can be expanded to a multi- UE case with several UEs having data radio bearers with the same priority level and having data to be scheduled within the same slot.
  • the system can do a pre-estimation of the total amount of resources needed to serve all UEs with a low BLER target in the slot. If the resources are not sufficient to schedule the data of all UEs it can attempt to decrease the robustness for one UE at a time until all UEs can fit into the slot.
  • the order of which UE to decrease robustness can be based on the UE with the newest data in the buffer getting decreased robustness first.
  • the order of which UE to decrease robustness for first can be based on the UE with the largest data in the buffer getting decreased robustness first (e.g., since it will give the highest impact on reduced resources and since critical services often uses smaller packets).
  • the UEs can be handled one at a time.
  • the scheduler and link adaptation algorithms would then do an iteration back to the first UE if not all high priority UEs with low BLER target can be scheduled in the same slot. It would then increase the BLER target UE by UE and iterate until the data of all UEs can fit into the slot.
  • modules may be stored in memory 810 of Figure 8, and these modules may provide instructions so that when the instructions of a module are executed by respective communication device processing circuitry 802, processing circuitry 802 performs respective operations of the flow chart.
  • modules may be stored in memory 904 of Figure 9, and these modules may provide instructions so that when the instructions of a module are executed by respective RAN node processing circuitry 902, RAN node 900 performs respective operations of the flow chart.
  • FIG. 6 illustrates an example of operations performed by an entity in a communications network that includes a network node and a communication device.
  • processing circuitry 902 determines scheduling information to be used for communicating data between the communication device and the network node based on an expected retransmission delay and an expected queueing delay.
  • the scheduling information includes an indication of radio resources to be used for communicating the data; and an indication of a modulation coding scheme, MCS, to be used for communicating the data.
  • determining the scheduling information includes: determining whether using a first MCS rather than a second MCS would result in an additional expected queueing delay, the first MCS being lower than the second MCS; and selecting the first MCS or the second MCS based on whether using the first MCS rather than the second MCS would result in the additional expected queueing delay.
  • determining the scheduling information includes: determining an amount of the radio resources and a code rate associated with the MCS in accordance with a high block error rate, BLER, target; determining that increasing the amount of radio resources and decreasing a code rate associated with the MCS will not cause an increase in the expected queueing delay; and responsive to determining that increasing the amount of radio resources and decreasing a code rate associated with the MCS will not cause an increase in the expected queuing delay, increasing the amount of radio resources and decreasing the code rate associated with the MCS.
  • the high BLER target is 10%, greater than or equal to 1%, or in a range of .1% to 25%.
  • determining the scheduling information includes: determining an amount of the radio resources and a code rate associated with the MCS in accordance with a low block error rate, BLER, target; determining that increasing a spectrum efficiency of the radio resources will reduce the expected queuing delay; and responsive to determining that increasing the spectrum efficiency of the radio resources will reduce the expected queuing delay, decreasing the amount of radio resources and/or increasing the code rate associated with the MCS.
  • the low BLER target is 0.01%, less than 1% or in a range of .0001% to 5%.
  • the data includes a first portion and a second portion, the portion of the data having higher priority than the second portion of the data.
  • the expected queueing delay is associated with the first portion of the data (e.g., a higher priority portion of the data).
  • processing circuitry 902 schedules communication between the communication device and the network node based on the scheduling information.
  • determining the scheduling information includes: performing an inner link adaptation, LA, procedure; and performing an outer LA, OLA, procedure.
  • performing the inner LA procedure includes: determining a modulation coding scheme, MCS; and determining a transport block size, TBS, based on the MCS.
  • Scheduling the communication includes, responsive to the TBS exceeding a threshold number of bits, scheduling the communication using the MCS.
  • performing the OLA procedure includes: receiving a hybrid automatic repeat request, HARQ, response; and adjusting a signal-to-noise-and-interference ratio, SINR, offset based on whether the HARQ response includes an acknowledgment, ACK, or negative- ACK, NACK.
  • performing the inner LA procedure includes: determining a first modulation coding scheme, MCS, with a first block error rate, BLER, target; determining a transport block size, TBS, based on the first MCS; and responsive to the TBS being less than a threshold number of bits, determining a second MCS with a second BLER target that is higher than the first BLER target. Scheduling the communication includes scheduling the communication using the second MCS.
  • performing the OLA procedure includes: receiving a hybrid automatic repeat request, HARQ, response; and adjusting the second BLER target based on whether the HARQ response includes an acknowledgment, ACK, or negative- ACK, NACK.
  • performing the inner LA procedure includes: determining a modulation coding scheme, MCS, with a block error rate, BLER, target; and determining an available transport block size, TBS, based on the MCS. Scheduling the communication comprises, responsive to a number of unused resources in a slot associated with the available TBS being below a threshold value, scheduling the communication using the MCS.
  • performing the OLA procedure includes receiving a hybrid automatic repeat request, HARQ, response; and adjusting the BLER target based on whether the HARQ response includes an acknowledgment, ACK, or negative-ACK, NACK.
  • performing the inner LA procedure includes: determining a first modulation coding scheme, MCS, with a first block error rate, BLER, target; determining an available transport block size, TBS, based on the first MCS; and responsive to there being unused resources in a slot associated with the available TBS, determining a second MCS based on a signal-to-interference-and-noise ratio, SINR, offset added to the LA.
  • MCS modulation coding scheme
  • BLER block error rate
  • SINR signal-to-interference-and-noise ratio
  • Scheduling the communication includes scheduling the communication using the second MCS.
  • processing circuitry 902 communicates, via communication interface 906, with the communication device or the network node using the scheduling information.
  • the communication device includes a plurality of communication devices. Determining the scheduling information comprises determining the scheduling information for each communication device of the plurality of communication devices one at a time.
  • the entity is the network node.
  • the entity is the communication device.
  • the communications network includes a radio access network, RAN, network, and the network node comprises a RAN node.
  • the communications network includes a WIFI network
  • the network node comprises an access point.
  • Figure 7 shows an example of a communication system 700 in accordance with some embodiments.
  • the communication system 700 includes a telecommunication network 702 that includes an access network 704, such as a radio access network (RAN), and a core network 706, which includes one or more core network nodes 708.
  • the access network 704 includes one or more access network nodes, such as network nodes 710a and 710b (one or more of which may be generally referred to as network nodes 710), or any other similar 3rd Generation Partnership Project (3 GPP) access node or non-3GPP access point.
  • 3 GPP 3rd Generation Partnership Project
  • the network nodes 710 facilitate direct or indirect connection of user equipment (UE), such as by connecting UEs 712a, 712b, 712c, and 712d (one or more of which may be generally referred to as UEs 712) to the core network 706 over one or more wireless connections.
  • UE user equipment
  • Example wireless communications over a wireless connection include transmitting and/or receiving wireless signals using electromagnetic waves, radio waves, infrared waves, and/or other types of signals suitable for conveying information without the use of wires, cables, or other material conductors.
  • the communication system 700 may include any number of wired or wireless networks, network nodes, UEs, and/or any other components or systems that may facilitate or participate in the communication of data and/or signals whether via wired or wireless connections.
  • the communication system 700 may include and/or interface with any type of communication, telecommunication, data, cellular, radio network, and/or other similar type of system.
  • the UEs 712 may be any of a wide variety of communication devices, including wireless devices arranged, configured, and/or operable to communicate wirelessly with the network nodes 710 and other communication devices.
  • the network nodes 710 are arranged, capable, configured, and/or operable to communicate directly or indirectly with the UEs 712 and/or with other network nodes or equipment in the telecommunication network 702 to enable and/or provide network access, such as wireless network access, and/or to perform other functions, such as administration in the telecommunication network 702.
  • the core network 706 connects the network nodes 710 to one or more hosts, such as host 716. These connections may be direct or indirect via one or more intermediary networks or devices. In other examples, network nodes may be directly coupled to hosts.
  • the core network 706 includes one more core network nodes (e.g., core network node 708) that are structured with hardware and software components. Features of these components may be substantially similar to those described with respect to the UEs, network nodes, and/or hosts, such that the descriptions thereof are generally applicable to the corresponding components of the core network node 708.
  • Example core network nodes include functions of one or more of a Mobile Switching Center (MSC), Mobility Management Entity (MME), Home Subscriber Server (HSS), Access and Mobility Management Function (AMF), Session Management Function (SMF), Authentication Server Function (AUSF), Subscription Identifier De-concealing function (SIDF), Unified Data Management (UDM), Security Edge Protection Proxy (SEPP), Network Exposure Function (NEF), and/or a User Plane Function (UPF).
  • MSC Mobile Switching Center
  • MME Mobility Management Entity
  • HSS Home Subscriber Server
  • AMF Session Management Function
  • AUSF Authentication Server Function
  • SIDF Subscription Identifier De-concealing function
  • UDM Unified Data Management
  • SEPP Security Edge Protection Proxy
  • NEF Network Exposure Function
  • UPF User Plane Function
  • UPF User Plane Function
  • the host 716 may host a variety of applications to provide one or more service. Examples of such applications include live and pre-recorded audio/video content, data collection services such as retrieving and compiling data on various ambient conditions detected by a plurality of UEs, analytics functionality, social media, functions for controlling or otherwise interacting with remote devices, functions for an alarm and surveillance center, or any other such function performed by a server.
  • applications include live and pre-recorded audio/video content, data collection services such as retrieving and compiling data on various ambient conditions detected by a plurality of UEs, analytics functionality, social media, functions for controlling or otherwise interacting with remote devices, functions for an alarm and surveillance center, or any other such function performed by a server.
  • the communication system 700 of Figure 7 enables connectivity between the UEs, network nodes, and hosts.
  • the communication system may be configured to operate according to predefined rules or procedures, such as specific standards that include, but are not limited to: Global System for Mobile Communications (GSM); Universal Mobile Telecommunications System (UMTS); Long Term Evolution (LTE), and/or other suitable 2G, 3G, 4G, 5G standards, or any applicable future generation standard (e.g., 6G); wireless local area network (WLAN) standards, such as the Institute of Electrical and Electronics Engineers (IEEE) 802.11 standards (WiFi); and/or any other appropriate wireless communication standard, such as the Worldwide Interoperability for Microwave Access (WiMax), Bluetooth, Z-Wave, Near Field Communication (NFC) ZigBee, LiFi, and/or any low-power wide-area network (LPWAN) standards such as LoRa and Sigfox.
  • GSM Global System for Mobile Communications
  • UMTS Universal Mobile Telecommunications System
  • LTE Long Term Evolution
  • the telecommunication network 702 is a cellular network that implements 3GPP standardized features. Accordingly, the telecommunications network 702 may support network slicing to provide different logical networks to different devices that are connected to the telecommunication network 702. For example, the telecommunications network 702 may provide Ultra Reliable Low Latency Communication (URLLC) services to some UEs, while providing Enhanced Mobile Broadband (eMBB) services to other UEs, and/or Massive Machine Type Communication (mMTC)/Massive loT services to yet further UEs.
  • the UEs 712 are configured to transmit and/or receive information without direct human interaction.
  • a UE may be designed to transmit information to the access network 704 on a predetermined schedule, when triggered by an internal or external event, or in response to requests from the access network 704.
  • a UE may be configured for operating in single- or multi -RAT or multi -standard mode.
  • a UE may operate with any one or combination of Wi-Fi, NR (New Radio) and LTE, i.e. being configured for multi-radio dual connectivity (MR-DC), such as E-UTRAN (Evolved-UMTS Terrestrial Radio Access Network) New Radio - Dual Connectivity (EN-DC).
  • MR-DC multi-radio dual connectivity
  • E-UTRAN Evolved-UMTS Terrestrial Radio Access Network
  • EN-DC New Radio - Dual Connectivity
  • the hub 714 communicates with the access network 704 to facilitate indirect communication between one or more UEs (e.g., UE 712c and/or 712d) and network nodes (e.g., network node 710b).
  • the hub 714 may be a controller, router, content source and analytics, or any of the other communication devices described herein regarding UEs.
  • the hub 714 may be a broadband router enabling access to the core network 706 for the UEs.
  • the hub 714 may be a controller that sends commands or instructions to one or more actuators in the UEs.
  • the hub 714 may be a data collector that acts as temporary storage for UE data and, in some embodiments, may perform analysis or other processing of the data.
  • the hub 714 may be a content source. For example, for a UE that is a VR headset, display, loudspeaker or other media delivery device, the hub 714 may retrieve VR assets, video, audio, or other media or data related to sensory information via a network node, which the hub 714 then provides to the UE either directly, after performing local processing, and/or after adding additional local content.
  • the hub 714 acts as a proxy server or orchestrator for the UEs, in particular in if one or more of the UEs are low energy loT devices.
  • the hub 714 may have a constant/persistent or intermittent connection to the network node 710b.
  • the hub 714 may also allow for a different communication scheme and/or schedule between the hub 714 and UEs (e.g., UE 712c and/or 712d), and between the hub 714 and the core network 706.
  • the hub 714 is connected to the core network 706 and/or one or more UEs via a wired connection.
  • the hub 714 may be configured to connect to an M2M service provider over the access network 704 and/or to another UE over a direct connection.
  • UEs may establish a wireless connection with the network nodes 710 while still connected via the hub 714 via a wired or wireless connection.
  • the hub 714 may be a dedicated hub - that is, a hub whose primary function is to route communications to/from the UEs from/to the network node 710b.
  • the hub 714 may be a non-dedicated hub - that is, a device which is capable of operating to route communications between the UEs and network node 710b, but which is additionally capable of operating as a communication start and/or end point for certain data channels.
  • FIG. 8 shows a UE 800 in accordance with some embodiments.
  • a UE refers to a device capable, configured, arranged and/or operable to communicate wirelessly with network nodes and/or other UEs.
  • Examples of a UE include, but are not limited to, a smart phone, mobile phone, cell phone, voice over IP (VoIP) phone, wireless local loop phone, desktop computer, personal digital assistant (PDA), wireless cameras, gaming console or device, music storage device, playback appliance, wearable terminal device, wireless endpoint, mobile station, tablet, laptop, laptop-embedded equipment (LEE), laptop-mounted equipment (LME), smart device, wireless customer-premise equipment (CPE), vehicle-mounted or vehicle embedded/integrated wireless device, etc.
  • VoIP voice over IP
  • LME laptop-embedded equipment
  • LME laptop-mounted equipment
  • CPE wireless customer-premise equipment
  • UEs identified by the 3rd Generation Partnership Project (3 GPP), including a narrow band internet of things (NB-IoT) UE, a machine type communication (MTC) UE, and/or an enhanced MTC (eMTC) UE.
  • 3 GPP 3rd Generation Partnership Project
  • NB-IoT narrow band internet of things
  • MTC machine type communication
  • eMTC enhanced MTC
  • a UE may support device-to-device (D2D) communication, for example by implementing a 3 GPP standard for sidelink communication, Dedicated Short-Range Communication (DSRC), vehi cl e-to- vehicle (V2V), vehicle-to-infrastructure (V2I), or vehicle- to-everything (V2X).
  • D2D device-to-device
  • DSRC Dedicated Short-Range Communication
  • V2V vehicle-to-infrastructure
  • V2X vehicle- to-everything
  • a UE may not necessarily have a user in the sense of a human user who owns and/or operates the relevant device. Instead, a UE may represent a device that is intended for sale to, or operation by, a human user but which may not, or which may not initially, be associated with a specific human user (e.g., a smart sprinkler controller).
  • a UE may represent a device that is not intended for sale to, or operation by, an end user but which may be associated with or operated for the benefit of a user (e.g., a smart power meter).
  • the UE 800 includes processing circuitry 802 that is operatively coupled via a bus 804 to an input/output interface 806, a power source 808, a memory 810, a communication interface 812, and/or any other component, or any combination thereof.
  • Certain UEs may utilize all or a subset of the components shown in Figure 8. The level of integration between the components may vary from one UE to another UE. Further, certain UEs may contain multiple instances of a component, such as multiple processors, memories, transceivers, transmitters, receivers, etc.
  • the processing circuitry 802 is configured to process instructions and data and may be configured to implement any sequential state machine operative to execute instructions stored as machine-readable computer programs in the memory 810.
  • the processing circuitry 802 may be implemented as one or more hardware-implemented state machines (e.g., in discrete logic, field- programmable gate arrays (FPGAs), application specific integrated circuits (ASICs), etc.); programmable logic together with appropriate firmware; one or more stored computer programs, general-purpose processors, such as a microprocessor or digital signal processor (DSP), together with appropriate software; or any combination of the above.
  • the processing circuitry 802 may include multiple central processing units (CPUs).
  • the input/output interface 806 may be configured to provide an interface or interfaces to an input device, output device, or one or more input and/or output devices.
  • Examples of an output device include a speaker, a sound card, a video card, a display, a monitor, a printer, an actuator, an emitter, a smartcard, another output device, or any combination thereof.
  • An input device may allow a user to capture information into the UE 800.
  • Examples of an input device include a touch-sensitive or presence-sensitive display, a camera (e.g., a digital camera, a digital video camera, a web camera, etc.), a microphone, a sensor, a mouse, a trackball, a directional pad, a trackpad, a scroll wheel, a smartcard, and the like.
  • the presence-sensitive display may include a capacitive or resistive touch sensor to sense input from a user.
  • a sensor may be, for instance, an accelerometer, a gyroscope, a tilt sensor, a force sensor, a magnetometer, an optical sensor, a proximity sensor, a biometric sensor, etc., or any combination thereof.
  • An output device may use the same type of interface port as an input device. For example, a Universal Serial Bus (USB) port may be used to provide an input device and an output device.
  • USB Universal Serial Bus
  • the power source 808 is structured as a battery or battery pack. Other types of power sources, such as an external power source (e.g., an electricity outlet), photovoltaic device, or power cell, may be used.
  • the power source 808 may further include power circuitry for delivering power from the power source 808 itself, and/or an external power source, to the various parts of the UE 800 via input circuitry or an interface such as an electrical power cable. Delivering power may be, for example, for charging of the power source 808.
  • Power circuitry may perform any formatting, converting, or other modification to the power from the power source 808 to make the power suitable for the respective components of the UE 800 to which power is supplied.
  • the memory 810 may be or be configured to include memory such as random access memory (RAM), read-only memory (ROM), programmable read-only memory (PROM), erasable programmable read-only memory (EPROM), electrically erasable programmable readonly memory (EEPROM), magnetic disks, optical disks, hard disks, removable cartridges, flash drives, and so forth.
  • the memory 810 includes one or more application programs 814, such as an operating system, web browser application, a widget, gadget engine, or other application, and corresponding data 816.
  • the memory 810 may store, for use by the UE 800, any of a variety of various operating systems or combinations of operating systems.
  • the memory 810 may be configured to include a number of physical drive units, such as redundant array of independent disks (RAID), flash memory, USB flash drive, external hard disk drive, thumb drive, pen drive, key drive, high-density digital versatile disc (HD-DVD) optical disc drive, internal hard disk drive, Blu-Ray optical disc drive, holographic digital data storage (HDDS) optical disc drive, external mini -dual in-line memory module (DIMM), synchronous dynamic random access memory (SDRAM), external micro-DIMM SDRAM, smartcard memory such as tamper resistant module in the form of a universal integrated circuit card (UICC) including one or more subscriber identity modules (SIMs), such as a USIM and/or ISIM, other memory, or any combination thereof.
  • RAID redundant array of independent disks
  • HD-DVD high-density digital versatile disc
  • HDDS holographic digital data storage
  • DIMM external mini -dual in-line memory module
  • SDRAM synchronous dynamic random access memory
  • SDRAM synchronous dynamic random
  • the UICC may for example be an embedded UICC (eUICC), integrated UICC (iUICC) or a removable UICC commonly known as ‘SIM card.’
  • eUICC embedded UICC
  • iUICC integrated UICC
  • SIM card removable UICC commonly known as ‘SIM card.’
  • the memory 810 may allow the UE 800 to access instructions, application programs and the like, stored on transitory or non-transitory memory media, to off-load data, or to upload data.
  • An article of manufacture, such as one utilizing a communication system may be tangibly embodied as or in the memory 810, which may be or comprise a device-readable storage medium.
  • the processing circuitry 802 may be configured to communicate with an access network or other network using the communication interface 812.
  • the communication interface 812 may comprise one or more communication subsystems and may include or be communicatively coupled to an antenna 822.
  • the communication interface 812 may include one or more transceivers used to communicate, such as by communicating with one or more remote transceivers of another device capable of wireless communication (e.g., another UE or a network node in an access network).
  • Each transceiver may include a transmitter 818 and/or a receiver 820 appropriate to provide network communications (e.g., optical, electrical, frequency allocations, and so forth).
  • the transmitter 818 and receiver 820 may be coupled to one or more antennas (e.g., antenna 822) and may share circuit components, software or firmware, or alternatively be implemented separately.
  • communication functions of the communication interface 812 may include cellular communication, Wi-Fi communication, LPWAN communication, data communication, voice communication, multimedia communication, short- range communications such as Bluetooth, near-field communication, location-based communication such as the use of the global positioning system (GPS) to determine a location, another like communication function, or any combination thereof.
  • GPS global positioning system
  • Communications may be implemented in according to one or more communication protocols and/or standards, such as IEEE 802.11, Code Division Multiplexing Access (CDMA), Wideband Code Division Multiple Access (WCDMA), GSM, LTE, New Radio (NR), UMTS, WiMax, Ethernet, transmission control protocol/internet protocol (TCP/IP), synchronous optical networking (SONET), Asynchronous Transfer Mode (ATM), QUIC, Hypertext Transfer Protocol (HTTP), and so forth.
  • a UE may provide an output of data captured by its sensors, through its communication interface 812, via a wireless connection to a network node. Data captured by sensors of a UE can be communicated through a wireless connection to a network node via another UE.
  • the output may be periodic (e.g., once every 15 minutes if it reports the sensed temperature), random (e.g., to even out the load from reporting from several sensors), in response to a triggering event (e.g., when moisture is detected an alert is sent), in response to a request (e.g., a user initiated request), or a continuous stream (e.g., a live video feed of a patient).
  • a UE comprises an actuator, a motor, or a switch, related to a communication interface configured to receive wireless input from a network node via a wireless connection.
  • the states of the actuator, the motor, or the switch may change.
  • the UE may comprise a motor that adjusts the control surfaces or rotors of a drone in flight according to the received input or to a robotic arm performing a medical procedure according to the received input.
  • a UE when in the form of an Internet of Things (loT) device, may be a device for use in one or more application domains, these domains comprising, but not limited to, city wearable technology, extended industrial application and healthcare.
  • loT device are a device which is or which is embedded in: a connected refrigerator or freezer, a TV, a connected lighting device, an electricity meter, a robot vacuum cleaner, a voice controlled smart speaker, a home security camera, a motion detector, a thermostat, a smoke detector, a door/window sensor, a flood/moisture sensor, an electrical door lock, a connected doorbell, an air conditioning system like a heat pump, an autonomous vehicle, a surveillance system, a weather monitoring device, a vehicle parking monitoring device, an electric vehicle charging station, a smart watch, a fitness tracker, a head-mounted display for Augmented Reality (AR) or Virtual Reality (VR), a wearable for tactile augmentation or sensory enhancement, a water sprinkler, an animal-
  • AR Augmented Reality
  • VR
  • a UE may represent a machine or other device that performs monitoring and/or measurements, and transmits the results of such monitoring and/or measurements to another UE and/or a network node.
  • the UE may in this case be an M2M device, which may in a 3 GPP context be referred to as an MTC device.
  • the UE may implement the 3GPP NB-IoT standard.
  • a UE may represent a vehicle, such as a car, a bus, a truck, a ship and an airplane, or other equipment that is capable of monitoring and/or reporting on its operational status or other functions associated with its operation.
  • a first UE might be or be integrated in a drone and provide the drone’s speed information (obtained through a speed sensor) to a second UE that is a remote controller operating the drone.
  • the first UE may adjust the throttle on the drone (e.g. by controlling an actuator) to increase or decrease the drone’s speed.
  • the first and/or the second UE can also include more than one of the functionalities described above.
  • a UE might comprise the sensor and the actuator, and handle communication of data for both the speed sensor and the actuators.
  • FIG 99 shows a network node 900 in accordance with some embodiments.
  • network node refers to equipment capable, configured, arranged and/or operable to communicate directly or indirectly with a UE and/or with other network nodes or equipment, in a telecommunication network.
  • network nodes include, but are not limited to, access points (APs) (e.g., radio access points), base stations (BSs) (e.g., radio base stations, Node Bs, evolved Node Bs (eNBs) and NR NodeBs (gNBs)).
  • APs access points
  • BSs base stations
  • Node Bs Node Bs
  • eNBs evolved Node Bs
  • gNBs NR NodeBs
  • Base stations may be categorized based on the amount of coverage they provide (or, stated differently, their transmit power level) and so, depending on the provided amount of coverage, may be referred to as femto base stations, pico base stations, micro base stations, or macro base stations.
  • a base station may be a relay node or a relay donor node controlling a relay.
  • a network node may also include one or more (or all) parts of a distributed radio base station such as centralized digital units and/or remote radio units (RRUs), sometimes referred to as Remote Radio Heads (RRHs). Such remote radio units may or may not be integrated with an antenna as an antenna integrated radio.
  • RRUs remote radio units
  • RRHs Remote Radio Heads
  • Such remote radio units may or may not be integrated with an antenna as an antenna integrated radio.
  • Parts of a distributed radio base station may also be referred to as nodes in a distributed antenna system (DAS).
  • DAS distributed antenna system
  • network nodes include multiple transmission point (multi-TRP) 5G access nodes, multi -standard radio (MSR) equipment such as MSR BSs, network controllers such as radio network controllers (RNCs) or base station controllers (BSCs), base transceiver stations (BTSs), transmission points, transmission nodes, multi-cell/multicast coordination entities (MCEs), Operation and Maintenance (O&M) nodes, Operations Support System (OSS) nodes, Self-Organizing Network (SON) nodes, positioning nodes (e.g., Evolved Serving Mobile Location Centers (E-SMLCs)), and/or Minimization of Drive Tests (MDTs).
  • MSR multi -standard radio
  • RNCs radio network controllers
  • BSCs base station controllers
  • BTSs base transceiver stations
  • OFDM Operation and Maintenance
  • OSS Operations Support System
  • SON Self-Organizing Network
  • positioning nodes e.g., Evolved Serving Mobile Location Centers (E-SMLCs)
  • the network node 900 includes a processing circuitry 902, a memory 904, a communication interface 906, and a power source 908.
  • the network node 900 may be composed of multiple physically separate components (e.g., a NodeB component and a RNC component, or a BTS component and a BSC component, etc.), which may each have their own respective components.
  • the network node 900 comprises multiple separate components (e.g., BTS and BSC components)
  • one or more of the separate components may be shared among several network nodes.
  • a single RNC may control multiple NodeBs.
  • each unique NodeB and RNC pair may in some instances be considered a single separate network node.
  • the network node 900 may be configured to support multiple radio access technologies (RATs). In such embodiments, some components may be duplicated (e.g., separate memory 904 for different RATs) and some components may be reused (e.g., a same antenna 910 may be shared by different RATs).
  • the network node 900 may also include multiple sets of the various illustrated components for different wireless technologies integrated into network node 900, for example GSM, WCDMA, LTE, NR, WiFi, Zigbee, Z-wave, LoRaWAN, Radio Frequency Identification (RFID) or Bluetooth wireless technologies. These wireless technologies may be integrated into the same or different chip or set of chips and other components within network node 900.
  • RFID Radio Frequency Identification
  • the processing circuitry 902 may comprise a combination of one or more of a microprocessor, controller, microcontroller, central processing unit, digital signal processor, application-specific integrated circuit, field programmable gate array, or any other suitable computing device, resource, or combination of hardware, software and/or encoded logic operable to provide, either alone or in conjunction with other network node 900 components, such as the memory 904, to provide network node 900 functionality.
  • the processing circuitry 902 includes a system on a chip (SOC). In some embodiments, the processing circuitry 902 includes one or more of radio frequency (RF) transceiver circuitry 912 and baseband processing circuitry 914. In some embodiments, the radio frequency (RF) transceiver circuitry 912 and the baseband processing circuitry 914 may be on separate chips (or sets of chips), boards, or units, such as radio units and digital units. In alternative embodiments, part or all of RF transceiver circuitry 912 and baseband processing circuitry 914 may be on the same chip or set of chips, boards, or units.
  • SOC system on a chip
  • the processing circuitry 902 includes one or more of radio frequency (RF) transceiver circuitry 912 and baseband processing circuitry 914.
  • the radio frequency (RF) transceiver circuitry 912 and the baseband processing circuitry 914 may be on separate chips (or sets of chips), boards, or units, such as radio units and digital units. In alternative embodiments, part or all of
  • the memory 904 may comprise any form of volatile or non-volatile computer- readable memory including, without limitation, persistent storage, solid-state memory, remotely mounted memory, magnetic media, optical media, random access memory (RAM), read-only memory (ROM), mass storage media (for example, a hard disk), removable storage media (for example, a flash drive, a Compact Disk (CD) or a Digital Video Disk (DVD)), and/or any other volatile or non-volatile, non-transitory device-readable and/or computer-executable memory devices that store information, data, and/or instructions that may be used by the processing circuitry 902.
  • volatile or non-volatile computer- readable memory including, without limitation, persistent storage, solid-state memory, remotely mounted memory, magnetic media, optical media, random access memory (RAM), read-only memory (ROM), mass storage media (for example, a hard disk), removable storage media (for example, a flash drive, a Compact Disk (CD) or a Digital Video Disk (DVD)), and/or any other volatile or
  • the memory 904 may store any suitable instructions, data, or information, including a computer program, software, an application including one or more of logic, rules, code, tables, and/or other instructions capable of being executed by the processing circuitry 902 and utilized by the network node 900.
  • the memory 904 may be used to store any calculations made by the processing circuitry 902 and/or any data received via the communication interface 906.
  • the processing circuitry 902 and memory 904 is integrated.
  • the communication interface 906 is used in wired or wireless communication of signaling and/or data between a network node, access network, and/or UE.
  • the communication interface 906 comprises port(s)/terminal(s) 916 to send and receive data, for example to and from a network over a wired connection.
  • the communication interface 906 also includes radio front-end circuitry 918 that may be coupled to, or in certain embodiments a part of, the antenna 910.
  • Radio front-end circuitry 918 comprises filters 920 and amplifiers 922.
  • the radio front-end circuitry 918 may be connected to an antenna 910 and processing circuitry 902.
  • the radio front-end circuitry may be configured to condition signals communicated between antenna 910 and processing circuitry 902.
  • the radio front-end circuitry 918 may receive digital data that is to be sent out to other network nodes or UEs via a wireless connection.
  • the radio front-end circuitry 918 may convert the digital data into a radio signal having the appropriate channel and bandwidth parameters using a combination of filters 920 and/or amplifiers 922. The radio signal may then be transmitted via the antenna 910. Similarly, when receiving data, the antenna 910 may collect radio signals which are then converted into digital data by the radio front-end circuitry 918. The digital data may be passed to the processing circuitry 902. In other embodiments, the communication interface may comprise different components and/or different combinations of components.
  • the network node 900 does not include separate radio front-end circuitry 918, instead, the processing circuitry 902 includes radio front-end circuitry and is connected to the antenna 910. Similarly, in some embodiments, all or some of the RF transceiver circuitry 912 is part of the communication interface 906. In still other embodiments, the communication interface 906 includes one or more ports or terminals 916, the radio front-end circuitry 918, and the RF transceiver circuitry 912, as part of a radio unit (not shown), and the communication interface 906 communicates with the baseband processing circuitry 914, which is part of a digital unit (not shown).
  • the antenna 910 may include one or more antennas, or antenna arrays, configured to send and/or receive wireless signals.
  • the antenna 910 may be coupled to the radio front-end circuitry 918 and may be any type of antenna capable of transmitting and receiving data and/or signals wirelessly.
  • the antenna 910 is separate from the network node 900 and connectable to the network node 900 through an interface or port.
  • the antenna 910, communication interface 906, and/or the processing circuitry 902 may be configured to perform any receiving operations and/or certain obtaining operations described herein as being performed by the network node. Any information, data and/or signals may be received from a UE, another network node and/or any other network equipment. Similarly, the antenna 910, the communication interface 906, and/or the processing circuitry 902 may be configured to perform any transmitting operations described herein as being performed by the network node. Any information, data and/or signals may be transmitted to a UE, another network node and/or any other network equipment.
  • the power source 908 provides power to the various components of network node 900 in a form suitable for the respective components (e.g., at a voltage and current level needed for each respective component).
  • the power source 908 may further comprise, or be coupled to, power management circuitry to supply the components of the network node 900 with power for performing the functionality described herein.
  • the network node 900 may be connectable to an external power source (e.g., the power grid, an electricity outlet) via an input circuitry or interface such as an electrical cable, whereby the external power source supplies power to power circuitry of the power source 908.
  • the power source 908 may comprise a source of power in the form of a battery or battery pack which is connected to, or integrated in, power circuitry. The battery may provide backup power should the external power source fail.
  • Embodiments of the network node 900 may include additional components beyond those shown in Figure 9 for providing certain aspects of the network node’s functionality, including any of the functionality described herein and/or any functionality necessary to support the subject matter described herein.
  • the network node 900 may include user interface equipment to allow input of information into the network node 900 and to allow output of information from the network node 900. This may allow a user to perform diagnostic, maintenance, repair, and other administrative functions for the network node 900.
  • FIG 10 is a block diagram of a host 1000, which may be an embodiment of the host 716 of Figure 7, in accordance with various aspects described herein.
  • the host 1000 may be or comprise various combinations hardware and/or software, including a standalone server, a blade server, a cloud-implemented server, a distributed server, a virtual machine, container, or processing resources in a server farm.
  • the host 1000 may provide one or more services to one or more UEs.
  • the host 1000 includes processing circuitry 1002 that is operatively coupled via a bus 1004 to an input/output interface 1006, a network interface 1008, a power source 1010, and a memory 1012.
  • processing circuitry 1002 that is operatively coupled via a bus 1004 to an input/output interface 1006, a network interface 1008, a power source 1010, and a memory 1012.
  • Other components may be included in other embodiments. Features of these components may be substantially similar to those described with respect to the devices of previous figures, such as Figures 8 and 9, such that the descriptions thereof are generally applicable to the corresponding components of host 1000.
  • the memory 1012 may include one or more computer programs including one or more host application programs 1014 and data 1016, which may include user data, e.g., data generated by a UE for the host 1000 or data generated by the host 1000 for a UE.
  • Embodiments of the host 1000 may utilize only a subset or all of the components shown.
  • the host application programs 1014 may be implemented in a container-based architecture and may provide support for video codecs (e.g., Versatile Video Coding (VVC), High Efficiency Video Coding (HEVC), Advanced Video Coding (AVC), MPEG, VP9) and audio codecs (e.g., FLAC, Advanced Audio Coding (AAC), MPEG, G.711), including transcoding for multiple different classes, types, or implementations of UEs (e.g., handsets, desktop computers, wearable display systems, heads-up display systems).
  • the host application programs 1014 may also provide for user authentication and licensing checks and may periodically report health, routes, and content availability to a central node, such as a device in or on the edge of a core network.
  • the host 1000 may select and/or indicate a different host for over-the-top (OTT) services for a UE.
  • the host application programs 1014 may support various protocols, such as the HTTP Live Streaming (HLS) protocol, Real-Time Messaging Protocol (RTMP), Real-Time Streaming Protocol (RTSP), Dynamic Adaptive Streaming over HTTP (MPEG-DASH), etc.
  • HTTP Live Streaming HLS
  • RTMP Real-Time Messaging Protocol
  • RTSP Real-Time Streaming Protocol
  • MPEG-DASH Dynamic Adaptive Streaming over HTTP
  • FIG 11 is a block diagram illustrating a virtualization environment 1100 in which functions implemented by some embodiments may be virtualized.
  • virtualizing means creating virtual versions of apparatuses or devices which may include virtualizing hardware platforms, storage devices and networking resources.
  • virtualization can be applied to any device described herein, or components thereof, and relates to an implementation in which at least a portion of the functionality is implemented as one or more virtual components.
  • Some or all of the functions described herein may be implemented as virtual components executed by one or more virtual machines (VMs) implemented in one or more virtual environments 1100 hosted by one or more of hardware nodes, such as a hardware computing device that operates as a network node, UE, core network node, or host.
  • VMs virtual machines
  • the virtual node does not require radio connectivity (e.g., a core network node or host)
  • the node may be entirely virtualized.
  • Applications 1102 (which may alternatively be called software instances, virtual appliances, network functions, virtual nodes, virtual network functions, etc.) are run in the virtualization environment Q400 to implement some of the features, functions, and/or benefits of some of the embodiments disclosed herein.
  • Hardware 1104 includes processing circuitry, memory that stores software and/or instructions executable by hardware processing circuitry, and/or other hardware devices as described herein, such as a network interface, input/output interface, and so forth.
  • Software may be executed by the processing circuitry to instantiate one or more virtualization layers 1106 (also referred to as hypervisors or virtual machine monitors (VMMs)), provide VMs 1108a and 1108b (one or more of which may be generally referred to as VMs 1108), and/or perform any of the functions, features and/or benefits described in relation with some embodiments described herein.
  • the virtualization layer 1106 may present a virtual operating platform that appears like networking hardware to the VMs 1108.
  • the VMs 1108 comprise virtual processing, virtual memory, virtual networking or interface and virtual storage, and may be run by a corresponding virtualization layer 1106.
  • a virtualization layer 1106 Different embodiments of the instance of a virtual appliance 1102 may be implemented on one or more of VMs 1108, and the implementations may be made in different ways.
  • Virtualization of the hardware is in some contexts referred to as network function virtualization (NFV). NFV may be used to consolidate many network equipment types onto industry standard high volume server hardware, physical switches, and physical storage, which can be located in data centers, and customer premise equipment.
  • NFV network function virtualization
  • a VM 1108 may be a software implementation of a physical machine that runs programs as if they were executing on a physical, non-virtualized machine.
  • Each of the VMs 1108, and that part of hardware 1104 that executes that VM be it hardware dedicated to that VM and/or hardware shared by that VM with others of the VMs, forms separate virtual network elements.
  • a virtual network function is responsible for handling specific network functions that run in one or more VMs 1108 on top of the hardware 1104 and corresponds to the application 1102.
  • Hardware 1104 may be implemented in a standalone network node with generic or specific components. Hardware 1104 may implement some functions via virtualization.
  • hardware 1104 may be part of a larger cluster of hardware (e.g. such as in a data center or CPE) where many hardware nodes work together and are managed via management and orchestration 1110, which, among others, oversees lifecycle management of applications 1102.
  • hardware 1104 is coupled to one or more radio units that each include one or more transmitters and one or more receivers that may be coupled to one or more antennas. Radio units may communicate directly with other hardware nodes via one or more appropriate network interfaces and may be used in combination with the virtual components to provide a virtual node with radio capabilities, such as a radio access node or a base station.
  • FIG. 12 shows a communication diagram of a host 1202 communicating via a network node 1204 with a UE 1206 over a partially wireless connection in accordance with some embodiments.
  • host 1202 Like host 1000, embodiments of host 1202 include hardware, such as a communication interface, processing circuitry, and memory.
  • the host 1202 also includes software, which is stored in or accessible by the host 1202 and executable by the processing circuitry.
  • the software includes a host application that may be operable to provide a service to a remote user, such as the UE 1206 connecting via an over-the-top (OTT) connection 1250 extending between the UE 1206 and host 1202. In providing the service to the remote user, a host application may provide user data which is transmitted using the OTT connection 1250.
  • OTT over-the-top
  • the network node 1204 includes hardware enabling it to communicate with the host 1202 and UE 1206.
  • connection 1260 may be direct or pass through a core network (like core network 706 of Figure 7) and/or one or more other intermediate networks, such as one or more public, private, or hosted networks.
  • a core network like core network 706 of Figure 7
  • intermediate networks such as one or more public, private, or hosted networks.
  • an intermediate network may be a backbone network or the Internet.
  • the UE 1206 includes hardware and software, which is stored in or accessible by UE 1206 and executable by the UE’s processing circuitry.
  • the software includes a client application, such as a web browser or operator-specific “app” that may be operable to provide a service to a human or non-human user via UE 1206 with the support of the host 1202.
  • a client application such as a web browser or operator-specific “app” that may be operable to provide a service to a human or non-human user via UE 1206 with the support of the host 1202.
  • an executing host application may communicate with the executing client application via the OTT connection 1250 terminating at the UE 1206 and host 1202.
  • the UE's client application may receive request data from the host's host application and provide user data in response to the request data.
  • the OTT connection 1250 may transfer both the request data and the user data.
  • the UE's client application may interact with the user to generate the user data that it provides to the host application through the OTT connection 1250.
  • the OTT connection 1250 may extend via a connection 1260 between the host 1202 and the network node 1204 and via a wireless connection 1270 between the network node 1204 and the UE 1206 to provide the connection between the host 1202 and the UE 1206.
  • the connection 1260 and wireless connection 1270, over which the OTT connection 1250 may be provided, have been drawn abstractly to illustrate the communication between the host 1202 and the UE 1206 via the network node 1204, without explicit reference to any intermediary devices and the precise routing of messages via these devices.
  • the host 1202 provides user data, which may be performed by executing a host application.
  • the user data is associated with a particular human user interacting with the UE 1206.
  • the user data is associated with a UE 1206 that shares data with the host 1202 without explicit human interaction.
  • the host 1202 initiates a transmission carrying the user data towards the UE 1206.
  • the host 1202 may initiate the transmission responsive to a request transmitted by the UE 1206.
  • the request may be caused by human interaction with the UE 1206 or by operation of the client application executing on the UE 1206.
  • the transmission may pass via the network node 1204, in accordance with the teachings of the embodiments described throughout this disclosure. Accordingly, in step 1212, the network node 1204 transmits to the UE 1206 the user data that was carried in the transmission that the host 1202 initiated, in accordance with the teachings of the embodiments described throughout this disclosure. In step 1214, the UE 1206 receives the user data carried in the transmission, which may be performed by a client application executed on the UE 1206 associated with the host application executed by the host 1202.
  • the UE 1206 executes a client application which provides user data to the host 1202.
  • the user data may be provided in reaction or response to the data received from the host 1202.
  • the UE 1206 may provide user data, which may be performed by executing the client application.
  • the client application may further consider user input received from the user via an input/output interface of the UE 1206. Regardless of the specific manner in which the user data was provided, the UE 1206 initiates, in step 1218, transmission of the user data towards the host 1202 via the network node 1204.
  • the network node 1204 receives user data from the UE 1206 and initiates transmission of the received user data towards the host 1202.
  • the host 1202 receives the user data carried in the transmission initiated by the UE 1206.
  • One or more of the various embodiments improve the performance of OTT services provided to the UE 1206 using the OTT connection 1250, in which the wireless connection 1270 forms the last segment. More precisely, the teachings of these embodiments may improve data rate and/or latency and thereby provide benefits such as reduced user waiting, better responsiveness, and improved user experience.
  • factory status information may be collected and analyzed by the host 1202.
  • the host 1202 may process audio and video data which may have been retrieved from a UE for use in creating maps.
  • the host 1202 may collect and analyze real-time data to assist in controlling vehicle congestion (e.g., controlling traffic lights).
  • the host 1202 may store surveillance video uploaded by a UE.
  • the host 1202 may store or control access to media content such as video, audio, VR or AR which it can broadcast, multicast or unicast to UEs.
  • the host 1202 may be used for energy pricing, remote control of non-time critical electrical load to balance power generation needs, location services, presentation services (such as compiling diagrams etc. from data collected from remote devices), or any other function of collecting, retrieving, storing, analyzing and/or transmitting data.
  • a measurement procedure may be provided for the purpose of monitoring data rate, latency and other factors on which the one or more embodiments improve.
  • the measurement procedure and/or the network functionality for reconfiguring the OTT connection may be implemented in software and hardware of the host 1202 and/or UE 1206.
  • sensors (not shown) may be deployed in or in association with other devices through which the OTT connection 1250 passes; the sensors may participate in the measurement procedure by supplying values of the monitored quantities exemplified above, or supplying values of other physical quantities from which software may compute or estimate the monitored quantities.
  • the reconfiguring of the OTT connection 1250 may include message format, retransmission settings, preferred routing etc.; the reconfiguring need not directly alter the operation of the network node 1204. Such procedures and functionalities may be known and practiced in the art.
  • measurements may involve proprietary UE signaling that facilitates measurements of throughput, propagation times, latency and the like, by the host 1202.
  • the measurements may be implemented in that software causes messages to be transmitted, in particular empty or ‘dummy’ messages, using the OTT connection 1250 while monitoring propagation times, errors, etc.
  • computing devices described herein may include the illustrated combination of hardware components
  • computing devices may comprise multiple different physical components that make up a single illustrated component, and functionality may be partitioned between separate components.
  • a communication interface may be configured to include any of the components described herein, and/or the functionality of the components may be partitioned between the processing circuitry and the communication interface.
  • non-computationally intensive functions of any of such components may be implemented in software or firmware and computationally intensive functions may be implemented in hardware.
  • processing circuitry executing instructions stored on in memory, which in certain embodiments may be a computer program product in the form of a non-transitory computer- readable storage medium.
  • some or all of the functionality may be provided by the processing circuitry without executing instructions stored on a separate or discrete device-readable storage medium, such as in a hard-wired manner.
  • the processing circuitry can be configured to perform the described functionality. The benefits provided by such functionality are not limited to the processing circuitry alone or to other components of the computing device, but are enjoyed by the computing device as a whole, and/or by end users and a wireless network generally.
  • a method of operating an entity in a communications network that includes a network node and a communication device, the method comprising: determining (610) scheduling information to be used for communicating data between the communication device and the network node based on an expected retransmission delay and an expected queueing delay; and scheduling (620) communication between the communication device and the network node based on the scheduling information.
  • the scheduling information comprises: an indication of radio resources to be used for communicating the data; and an indication of a modulation coding scheme, MCS, to be used for communicating the data.
  • MCS modulation coding scheme
  • determining the scheduling information comprises: determining whether using a first MCS rather than a second MCS would result in an additional expected queueing delay, the first MCS being lower than the second MCS; and selecting the first MCS or the second MCS based on whether using the first MCS rather than the second MCS would result in the additional expected queueing delay.
  • determining the scheduling information comprises: determining an amount of the radio resources and a code rate associated with the MCS in accordance with a high block error rate, BLER, target; determining that increasing the amount of radio resources and decreasing a code rate associated with the MCS will not cause an increase in the expected queueing delay; and responsive to determining that increasing the amount of radio resources and decreasing a code rate associated with the MCS will not cause an increase in the expected queuing delay, increasing the amount of radio resources and decreasing the code rate associated with the MCS.
  • determining the scheduling information comprises: determining an amount of the radio resources and a code rate associated with the MCS in accordance with a low block error rate, BLER, target; determining that increasing a spectrum efficiency of the radio resources will reduce the expected queuing delay; and responsive to determining that increasing the spectrum efficiency of the radio resources will reduce the expected queuing delay, decreasing the amount of radio resources and increasing the code rate associated with the MCS.
  • determining the scheduling information comprises: performing an inner link adaptation, LA, procedure; and performing an outer LA, OLA, procedure.
  • MCS modulation coding scheme
  • TBS transport block size
  • scheduling the communication comprises, responsive to the TBS exceeding a threshold number of bits, scheduling the communication using the MCS.
  • the method of Embodiment 10, wherein performing the OLA procedure comprises: receiving a hybrid automatic repeat request, HARQ, response; and adjusting a signal-to-noise-and-interference ratio, SINR, offset based on whether the HARQ response includes an acknowledgment, ACK, or negative-ACK, NACK.
  • SINR signal-to-noise-and-interference ratio
  • a first modulation coding scheme, MCS, with a first block error rate, BLER, target determining a transport block size, TBS, based on the first MCS; and responsive to the TBS being less than a threshold number of bits, determining a second MCS with a second BLER target that is higher than the first BLER target, wherein scheduling the communication comprises scheduling the communication using the second MCS.
  • Embodiment 13 The method of Embodiment 12, wherein performing the OLA procedure comprises: receiving a hybrid automatic repeat request, HARQ, response; and adjusting the second BLER target based on whether the HARQ response includes an acknowledgment, ACK, or negative-ACK, NACK.
  • scheduling the communication comprises, responsive to a number of unused resources in a slot associated with the available TBS being below a threshold value, scheduling the communication using the MCS.
  • the method of Embodiment 14, wherein performing the OLA procedure comprises: receiving a hybrid automatic repeat request, HARQ, response; and adjusting the BLER target based on whether the HARQ response includes an acknowledgment, ACK, or negative-ACK, NACK.
  • scheduling the communication comprises scheduling the communication using the second MCS.
  • determining the scheduling information comprises determining the scheduling information for each communication device of the plurality of communication devices based on an estimate of an amount of resources needed to serve the plurality of communication devices with a specific block error rate, BLER.
  • An entity in a communications network that includes a network node and a communication device, the entity comprising: processing circuitry (802, 902); and memory (810, 904) coupled to the processing circuitry and having instructions stored therein that are executable by the processing circuitry to cause the entity to perform operations comprising any of the operations of Embodiments 1-23.
  • a computer program comprising program code to be executed by processing circuitry (802, 902) of an entity (800, 900) in a communications network that includes a network node and a communication device, whereby execution of the program code causes the entity to perform operations comprising any operations of Embodiments 1-23.
  • a computer program product comprising a non-transitory storage medium (810, 904) including program code to be executed by processing circuitry (802, 902) of an entity (800, 900) in a communications network that includes a network node and a communication device, whereby execution of the program code causes the entity to perform operations comprising any operations of Embodiments 1-23.
  • a non-transitory computer-readable medium having instructions stored therein that are executable by processing circuitry (802, 902) of an entity (800, 900) configured to perform operations comprising any of the operations of Embodiments 1-23.
  • a host configured to operate in a communication system to provide an over- the-top (OTT) service, the host comprising: processing circuitry configured to provide user data; and a network interface configured to initiate transmission of the user data to a network node in a cellular network for transmission to a user equipment (UE), the network node having a communication interface and processing circuitry, the processing circuitry of the network node configured to perform the following operations to transmit the user data from the host to the UE: determining (610) scheduling information to be used for communicating data between the communication device and the network node based on an expected retransmission delay and an expected queueing delay; and scheduling (620) communication between the communication device and the network node based on the scheduling information.29.
  • the processing circuitry of the host is configured to execute a host application that provides the user data
  • an the UE comprises processing circuitry configured to execute a client application associated with the host application to receive the transmission of user data from the host.
  • [00163] 32 The method of any of the previous 2 embodiments, wherein the user data is provided at the host by executing a host application that interacts with a client application executing on the UE, the client application being associated with the host application.
  • a communication system configured to provide an over-the-top service, the communication system comprising: a host comprising: processing circuitry configured to provide user data for a user equipment (UE), the user data being associated with the over-the-top service; and a network interface configured to initiate transmission of the user data toward a cellular network node for transmission to the UE, the network node having a communication interface and processing circuitry, the processing circuitry of the network node configured to perform the following operations to transmit the user data from the host to the UE: determining (610) scheduling information to be used for communicating data between the communication device and the network node based on an expected retransmission delay and an expected queueing delay; and scheduling (620) communication between the communication device and the network node based on the scheduling information.
  • a host comprising: processing circuitry configured to provide user data for a user equipment (UE), the user data being associated with the over-the-top service; and a network interface configured to initiate transmission of the user data toward a cellular network node for transmission to the UE, the network
  • a host configured to operate in a communication system to provide an over- the-top (OTT) service, the host comprising: processing circuitry configured to initiate receipt of user data; and a network interface configured to receive the user data from a network node in a cellular network, the network node having a communication interface and processing circuitry, the processing circuitry of the network node configured to perform the following operations to receive the user data from the UE for the host: determining (610) scheduling information to be used for communicating data between the communication device and the network node based on an expected retransmission delay and an expected queueing delay; and scheduling (620) communication between the communication device and the network node based on the scheduling information.
  • OTT over- the-top
  • the processing circuitry of the host is configured to execute a host application, thereby providing the user data; and the host application is configured to interact with a client application executing on the UE, the client application being associated with the host application.
  • the initiating receipt of the user data comprises requesting the user data.
  • [00171] 40 The method of the previous embodiment, further comprising at the network node, transmitting the received user data to the host.
  • a host configured to operate in a communication system to provide an over- the-top (OTT) service, the host comprising: processing circuitry configured to provide user data; and a network interface configured to initiate transmission of the user data to a cellular network for transmission to a user equipment (UE), wherein the UE comprises a communication interface and processing circuitry, the communication interface and processing circuitry of the UE being configured to perform the following operations to receive the user data from the host: determining (610) scheduling information to be used for communicating data between the communication device and the network node based on an expected retransmission delay and an expected queueing delay; and scheduling (620) communication between the communication device and the network node based on the scheduling information.
  • OTT over- the-top
  • the cellular network further includes a network node configured to communicate with the UE to transmit the user data to the UE from the host.
  • the processing circuitry of the host is configured to execute a host application, thereby providing the user data; and the host application is configured to interact with a client application executing on the UE, the client application being associated with the host application.
  • a host configured to operate in a communication system to provide an over- the-top (OTT) service, the host comprising: processing circuitry configured to utilize user data; and a network interface configured to receipt of transmission of the user data to a cellular network for transmission to a user equipment (UE), wherein the UE comprises a communication interface and processing circuitry, the communication interface and processing circuitry of the UE being configured to perform the following operations to transmit the user data to the host: determining (610) scheduling information to be used for communicating data between the communication device and the network node based on an expected retransmission delay and an expected queueing delay; and scheduling (620) communication between the communication device and the network node based on the scheduling information.
  • OTT over- the-top
  • the host of the previous embodiment, wherein the cellular network further includes a network node configured to communicate with the UE to transmit the user data from the UE to the host.
  • the processing circuitry of the host is configured to execute a host application, thereby providing the user data; and the host application is configured to interact with a client application executing on the UE, the client application being associated with the host application.
  • [00181] 50 A method implemented by a host configured to operate in a communication system that further includes a network node and a user equipment (UE), the method comprising: at the host, receiving user data transmitted to the host via the network node by the UE, wherein the UE performs the following operations to transmit the user data to the host: determining (610) scheduling information to be used for communicating data between the communication device and the network node based on an expected retransmission delay and an expected queueing delay; and scheduling (620) communication between the communication device and the network node based on the scheduling information.
  • determining (610) scheduling information to be used for communicating data between the communication device and the network node based on an expected retransmission delay and an expected queueing delay determining (610) scheduling information to be used for communicating data between the communication device and the network node based on an expected retransmission delay and an expected queueing delay
  • scheduling (620) communication between the communication device and the network node based on the scheduling information.

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Abstract

Un système de communication pour planifier des données dans un réseau de communication est divulgué. L'application est en outre associée à des entités, à des dispositifs de communication, à des noeuds de réseau et à des hôtes associés. Selon un aspect, un procédé de fonctionnement d'une entité consiste à déterminer des informations de planification à utiliser pour communiquer des données entre un dispositif de communication et un noeud de réseau sur la base d'un retard de retransmission attendu et d'un retard de mise en file d'attente attendu. Le procédé consiste également à planifier une communication entre le dispositif de communication et le noeud de réseau sur la base des informations de planification déterminées.
PCT/SE2023/051062 2022-10-27 2023-10-26 Entités et procédés de planification de communications sensible au retard WO2024091168A1 (fr)

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Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20040170186A1 (en) * 2003-02-28 2004-09-02 Huai-Rong Shao Dynamic resource control for high-speed downlink packet access wireless channels

Patent Citations (1)

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Publication number Priority date Publication date Assignee Title
US20040170186A1 (en) * 2003-02-28 2004-09-02 Huai-Rong Shao Dynamic resource control for high-speed downlink packet access wireless channels

Non-Patent Citations (2)

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Title
HAN YISHU ET AL: "Periodic Radio Resource Allocation to Meet Latency and Reliability Requirements in 5G Networks", 2018 IEEE 87TH VEHICULAR TECHNOLOGY CONFERENCE (VTC SPRING), IEEE, 3 June 2018 (2018-06-03), pages 1 - 6, XP033377463, DOI: 10.1109/VTCSPRING.2018.8417636 *
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