WO2021203356A1 - Entrelacement de ressources de commande pour des communications en bande de 6 ghz - Google Patents
Entrelacement de ressources de commande pour des communications en bande de 6 ghz Download PDFInfo
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- WO2021203356A1 WO2021203356A1 PCT/CN2020/083936 CN2020083936W WO2021203356A1 WO 2021203356 A1 WO2021203356 A1 WO 2021203356A1 CN 2020083936 W CN2020083936 W CN 2020083936W WO 2021203356 A1 WO2021203356 A1 WO 2021203356A1
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- element group
- resource element
- mapping
- resource
- control
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- 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
- H04L5/0053—Allocation of signaling, i.e. of overhead other than pilot signals
Definitions
- the following relates generally to wireless communications and more specifically to control resource interleaving for 6 gigahertz (GHz) band communications.
- GHz gigahertz
- Wireless communications systems are widely deployed to provide various types of communication content such as voice, video, packet data, messaging, broadcast, and so on. These systems may be capable of supporting communication with multiple users by sharing the available system resources (e.g., time, frequency, and power) .
- Examples of such multiple-access systems include fourth generation (4G) systems such as Long Term Evolution (LTE) systems, LTE-Advanced (LTE-A) systems, or LTE-A Pro systems, and fifth generation (5G) systems which may be referred to as New Radio (NR) systems.
- 4G systems such as Long Term Evolution (LTE) systems, LTE-Advanced (LTE-A) systems, or LTE-A Pro systems
- 5G systems which may be referred to as New Radio (NR) systems.
- a wireless multiple-access communications system may include one or more base stations or one or more network access nodes, each simultaneously supporting communication for multiple communication devices, which may be otherwise known as user equipment (UE) .
- UE user equipment
- the described techniques relate to improved methods, systems, devices, and apparatuses that support control resource interleaving for 6 gigahertz (GHz) band communications.
- the described techniques provide for enabling a base station to efficiently transmit control information to a user equipment (UE) in a power-limited radio frequency spectrum band.
- the base station may map control channel elements (CCEs) for transmitting the control information to resource element group (REG) bundles of a control resource set (CORESET) based on a block interleaver design which may enable a base station to increase a bandwidth of the control information transmission to a UE.
- the block interleaver design may include a first block interleaver and a second block interleaver for REG bundles of the CORESET.
- the first block interleaver may include a row parameter, which corresponds to a quantity of rows of the first block interleaver.
- the second block interleaver may include a skipping parameter, which corresponds to a quantity of columns of the second block interleaver. Based on interleaving the REG bundles according to the row parameter and the skipping parameter, the base station may map CCEs to REG bundles that span a greater bandwidth of the CORESET, which may increase a total transmit power of the control information transmission to the UE.
- a method of wireless communications at a UE may include monitoring a control resource set for control information from a base station, determining a mapping between one or more control channel elements and a set of resource element group bundles of the control resource set, the mapping based on a row parameter and a skipping parameter associated with the set of resource element group bundles, detecting the control information in the one or more control channel elements based on the mapping, and communicating with the base station based on the detected control information.
- the apparatus may include a processor, memory coupled with the processor, and instructions stored in the memory.
- the instructions may be executable by the processor to cause the apparatus to monitor a control resource set for control information from a base station, determine a mapping between one or more control channel elements and a set of resource element group bundles of the control resource set, the mapping based on a row parameter and a skipping parameter associated with the set of resource element group bundles, detect the control information in the one or more control channel elements based on the mapping, and communicate with the base station based on the detected control information.
- the apparatus may include means for monitoring a control resource set for control information from a base station, determining a mapping between one or more control channel elements and a set of resource element group bundles of the control resource set, the mapping based on a row parameter and a skipping parameter associated with the set of resource element group bundles, detecting the control information in the one or more control channel elements based on the mapping, and communicating with the base station based on the detected control information.
- a non-transitory computer-readable medium storing code for wireless communications at a UE is described.
- the code may include instructions executable by a processor to monitor a control resource set for control information from a base station, determine a mapping between one or more control channel elements and a set of resource element group bundles of the control resource set, the mapping based on a row parameter and a skipping parameter associated with the set of resource element group bundles, detect the control information in the one or more control channel elements based on the mapping, and communicate with the base station based on the detected control information.
- Some examples of the method, apparatuses, and non-transitory computer-readable medium described herein may further include operations, features, means, or instructions for receiving a radio resource control (RRC) configuration message indicating the row parameter and the skipping parameter, where the mapping may be determined based on receiving the RRC configuration message.
- RRC radio resource control
- Some examples of the method, apparatuses, and non-transitory computer-readable medium described herein may further include operations, features, means, or instructions for determining a configuration associated with the control resource set, the configuration including a quantity of orthogonal frequency division multiplexing (OFDM) symbols in a time domain and a sub-carrier spacing in a frequency domain, where the mapping may be determined based on the configuration.
- OFDM orthogonal frequency division multiplexing
- Some examples of the method, apparatuses, and non-transitory computer-readable medium described herein may further include operations, features, means, or instructions for determining a bundle size associated with the set of resource element group bundles based on the quantity of OFDM symbols.
- Some examples of the method, apparatuses, and non-transitory computer-readable medium described herein may further include operations, features, means, or instructions for determining the row parameter based on the configuration associated with the control resource set, and determining the skipping parameter based on the sub-carrier spacing.
- the mapping may be determined based on a first block interleaver associated with the set of resource element group bundles, the first block interleaver including a first quantity of rows, and the first quantity of rows in the first block interleaver may be determined based on the row parameter.
- the mapping may be further determined based on a second block interleaver associated with the set of resource element group bundles, the second block interleaver including a second quantity of columns, and the second quantity of columns in the second block interleaver may be determined based on the skipping parameter.
- Some examples of the method, apparatuses, and non-transitory computer-readable medium described herein may further include operations, features, means, or instructions for determining an aggregation level associated with the control information, where detecting the control information may be further based on determining the aggregation level.
- each resource element group bundle of the set of resource element group bundles includes one or more resource blocks of the control resource set.
- each resource element group bundle of the set of resource element group bundles may be sequentially indexed in a time domain and in a frequency domain.
- control information may be detected in a physical downlink control channel transmission.
- a method of wireless communications at a base station may include mapping one or more control channel elements to a set of resource element group bundles of a control resource set, the mapping based on a row parameter and a skipping parameter associated with the set of resource element group bundles, transmitting control information for a UE in the one or more control channel elements based on the mapping, and communicating with the UE based on the transmitted control information.
- the apparatus may include a processor, memory coupled with the processor, and instructions stored in the memory.
- the instructions may be executable by the processor to cause the apparatus to map one or more control channel elements to a set of resource element group bundles of a control resource set, the mapping based on a row parameter and a skipping parameter associated with the set of resource element group bundles, transmit control information for a UE in the one or more control channel elements based on the mapping, and communicate with the UE based on the transmitted control information.
- the apparatus may include means for mapping one or more control channel elements to a set of resource element group bundles of a control resource set, the mapping based on a row parameter and a skipping parameter associated with the set of resource element group bundles, transmitting control information for a UE in the one or more control channel elements based on the mapping, and communicating with the UE based on the transmitted control information.
- a non-transitory computer-readable medium storing code for wireless communications at a base station is described.
- the code may include instructions executable by a processor to map one or more control channel elements to a set of resource element group bundles of a control resource set, the mapping based on a row parameter and a skipping parameter associated with the set of resource element group bundles, transmit control information for a UE in the one or more control channel elements based on the mapping, and communicate with the UE based on the transmitted control information.
- the mapping further may include operations, features, means, or instructions for interleaving resource element group bundles of the set of resource element group bundles based on the skipping parameter and the row parameter, where each control channel element of the set of control channel elements includes one or more resource element group bundles based on the interleaving.
- the mapping may be based on a first block interleaver associated with the set of resource element group bundles, the first block interleaver including a first quantity of rows, and the first quantity of rows in the first block interleaver may be determined based on the row parameter.
- the mapping may be further based on a second block interleaver associated with the set of resource element group bundles, the second block interleaver including a second quantity of columns, and the second quantity of columns in the second block interleaver may be determined based on the skipping parameter.
- Some examples of the method, apparatuses, and non-transitory computer-readable medium described herein may further include operations, features, means, or instructions for transmitting, to the UE, a RRC configuration message indicating the row parameter and the skipping parameter.
- Some examples of the method, apparatuses, and non-transitory computer-readable medium described herein may further include operations, features, means, or instructions for determining a configuration associated with the control resource set, the configuration including a quantity of OFDM symbols in a time domain and a sub-carrier spacing in a frequency domain, where the mapping may be further based on the configuration.
- Some examples of the method, apparatuses, and non-transitory computer-readable medium described herein may further include operations, features, means, or instructions for determining a bundle size associated with the set of resource element group bundles based on the quantity of OFDM symbols.
- Some examples of the method, apparatuses, and non-transitory computer-readable medium described herein may further include operations, features, means, or instructions for determining the row parameter based on the configuration associated with the control resource set, and determining the skipping parameter based on the sub-carrier spacing.
- Some examples of the method, apparatuses, and non-transitory computer-readable medium described herein may further include operations, features, means, or instructions for determining an aggregation level associated with the control information, where transmitting the control information in the one or more control channel elements may be further based on determining the aggregation level.
- each resource element group bundle of the set of resource element group bundles includes one or more resource blocks of the control resource set.
- each resource element group bundle of the set of resource element group bundles may be indexed sequentially in a time domain and in a frequency domain.
- control information may be transmitted in a physical downlink control channel transmission.
- FIGs. 1 and 2 illustrate examples of a wireless communications system that supports control resource interleaving for 6 gigahertz (GHz) band communications in accordance with aspects of the present disclosure.
- GHz gigahertz
- FIGs. 3 and 4 illustrate examples of mapping schemes that support control resource interleaving for 6 GHz band communications in accordance with aspects of the present disclosure.
- FIG. 5 illustrates an example of a process flow that supports control resource interleaving for 6 GHz band communications in accordance with aspects of the present disclosure.
- FIGs. 6 and 7 show block diagrams of devices that support control resource interleaving for 6 GHz band communications in accordance with aspects of the present disclosure.
- FIG. 8 shows a block diagram of a communications manager that supports control resource interleaving for 6 GHz band communications in accordance with aspects of the present disclosure.
- FIG. 9 shows a diagram of a system including a device that supports control resource interleaving for 6 GHz band communications in accordance with aspects of the present disclosure.
- FIGs. 10 and 11 show block diagrams of devices that support control resource interleaving for 6 GHz band communications in accordance with aspects of the present disclosure.
- FIG. 12 shows a block diagram of a communications manager that supports control resource interleaving for 6 GHz band communications in accordance with aspects of the present disclosure.
- FIG. 13 shows a diagram of a system including a device that supports control resource interleaving for 6 GHz band communications in accordance with aspects of the present disclosure.
- FIGs. 14 through 19 show flowcharts illustrating methods that support control resource interleaving for 6 GHz band communications in accordance with aspects of the present disclosure.
- a user equipment (UE) in a wireless communications system may communicate with one or more network nodes such as base stations.
- the wireless communications system may operate using one or more radio frequency spectrum bands, such as one or more bands with frequencies in the range of 5 gigahertz (GHz) or 6 GHz. Each band may have an associated bandwidth (e.g., 100 megahertz (MHz) , 250 MHz, 350 MHz, 500 MHz, etc. ) .
- the wireless communications system may operate using licensed or unlicensed radio frequency spectrum bands, or both.
- a band may have a power spectral density (PSD) limit for transmissions, which may limit a total transmit power for a transmission in the band.
- PSD power spectral density
- An unlicensed band may have a PSD limit to avoid interference between transmissions in the wireless communications system and transmissions from other devices (e.g., a video camera) in the band.
- transmissions from a base station in a given band may have a PSD limit of 5 decibel-milliwatts (dBm) per MHz (dBm/MHz)
- transmissions from a UE may have a PSD limit of -1 dBm/MHz.
- UEs and base stations in a band may communicate over one or more carriers.
- a carrier may include a portion of the band (e.g., 20 MHz) .
- a base station may transmit control information to UEs in a control resource set (CORESET) which spans the bandwidth of a carrier.
- CORESET control resource set
- a base station may transmit control information to a UE in a physical downlink control channel (PDCCH) transmission, which may include one or more control channel elements (CCEs) mapped to resource element group (REG) bundles of the CORESET.
- the quantity of CCEs used for the PDCCH transmission may be based on an aggregation level associated with the PDCCH transmission.
- the mapping may be based on a block interleaver design. Based on the mapping, CCEs of a PDCCH transmission may be limited to a subset of the CORESET bandwidth, which may limit the transmit power of the PDCCH transmission based on the PSD limit for the band
- a base station may map CCEs to REG bundles of a CORESET based on a block interleaver design which may enable a base station to increase a bandwidth of a control information transmission to a UE.
- the block interleaver design may include a first block interleaver and a second block interleaver for REG bundles of the CORESET.
- the first block interleaver may include a row parameter, which corresponds to a quantity of rows of the first block interleaver.
- the second block interleaver may include a skipping parameter, which corresponds to a quantity of columns of the second block interleaver.
- the base station may map CCEs to REG bundles that span a greater bandwidth of the CORESET, which may increase a total transmit power of the control information transmission to the UE.
- the UE may monitor the CORESET for control information from the base station. To detect the control information, the UE may determine the mapping of CCEs to REG bundles of the CORESET. In some examples, the UE may receive a configuration message (e.g., a Radio Resource Control (RRC) configuration message) indicating the row parameter and the skipping parameter, which the UE may use to determine the mapping. Additionally or alternatively, the UE may determine a configuration associated with the CORESET (e.g., a quantity of orthogonal frequency division multiplexing (OFDM) symbols in a time domain, a sub-carrier spacing in a frequency domain, etc. ) and determine the mapping based on the CORESET configuration. Based on determining the mapping, the UE may detect the control information in the CORESET and communicate with the base station based on the control information.
- RRC Radio Resource Control
- aspects of the disclosure are initially described in the context of wireless communications systems. Example mapping schemes and an example process flow are then described. Aspects of the disclosure are further illustrated by and described with reference to apparatus diagrams, system diagrams, and flowcharts that relate to control resource interleaving for 6 GHz band communications.
- FIG. 1 illustrates an example of a wireless communications system 100 that supports control resource interleaving for 6 GHz band communications in accordance with aspects of the present disclosure.
- the wireless communications system 100 may include one or more base stations 105, one or more UEs 115, and a core network 130.
- the wireless communications system 100 may be a Long Term Evolution (LTE) network, an LTE-Advanced (LTE-A) network, an LTE-APro network, or a New Radio (NR) network.
- LTE Long Term Evolution
- LTE-A LTE-Advanced
- LTE-APro LTE-APro
- NR New Radio
- the wireless communications system 100 may support enhanced broadband communications, ultra-reliable (e.g., mission critical) communications, low latency communications, communications with low-cost and low-complexity devices, or any combination thereof.
- ultra-reliable e.g., mission critical
- the base stations 105 may be dispersed throughout a geographic area to form the wireless communications system 100 and may be devices in different forms or having different capabilities.
- the base stations 105 and the UEs 115 may wirelessly communicate via one or more communication links 125.
- Each base station 105 may provide a coverage area 110 over which the UEs 115 and the base station 105 may establish one or more communication links 125.
- the coverage area 110 may be an example of a geographic area over which a base station 105 and a UE 115 may support the communication of signals according to one or more radio access technologies.
- the UEs 115 may be dispersed throughout a coverage area 110 of the wireless communications system 100, and each UE 115 may be stationary, or mobile, or both at different times.
- the UEs 115 may be devices in different forms or having different capabilities. Some example UEs 115 are illustrated in FIG. 1.
- the UEs 115 described herein may be able to communicate with various types of devices, such as other UEs 115, the base stations 105, or network equipment (e.g., core network nodes, relay devices, integrated access and backhaul (IAB) nodes, or other network equipment) , as shown in FIG. 1.
- network equipment e.g., core network nodes, relay devices, integrated access and backhaul (IAB) nodes, or other network equipment
- the base stations 105 may communicate with the core network 130, or with one another, or both.
- the base stations 105 may interface with the core network 130 through one or more backhaul links 120 (e.g., via an S1, N2, N3, or other interface) .
- the base stations 105 may communicate with one another over the backhaul links 120 (e.g., via an X2, Xn, or other interface) either directly (e.g., directly between base stations 105) , or indirectly (e.g., via core network 130) , or both.
- the backhaul links 120 may be or include one or more wireless links.
- One or more of the base stations 105 described herein may include or may be referred to by a person having ordinary skill in the art as a base transceiver station, a radio base station, an access point, a radio transceiver, a NodeB, an eNodeB (eNB) , a next-generation NodeB or a giga-NodeB (either of which may be referred to as a gNB) , a Home NodeB, a Home eNodeB, or other suitable terminology.
- a base transceiver station a radio base station
- an access point a radio transceiver
- a NodeB an eNodeB (eNB)
- eNB eNodeB
- a next-generation NodeB or a giga-NodeB either of which may be referred to as a gNB
- gNB giga-NodeB
- a UE 115 may include or may be referred to as a mobile device, a wireless device, a remote device, a handheld device, or a subscriber device, or some other suitable terminology, where the “device” may also be referred to as a unit, a station, a terminal, or a client, among other examples.
- a UE 115 may also include or may be referred to as a personal electronic device such as a cellular phone, a personal digital assistant (PDA) , a tablet computer, a laptop computer, or a personal computer.
- PDA personal digital assistant
- a UE 115 may include or be referred to as a wireless local loop (WLL) station, an Internet of Things (IoT) device, an Internet of Everything (IoE) device, or a machine type communications (MTC) device, among other examples, which may be implemented in various objects such as appliances, or vehicles, meters, among other examples.
- WLL wireless local loop
- IoT Internet of Things
- IoE Internet of Everything
- MTC machine type communications
- the UEs 115 described herein may be able to communicate with various types of devices, such as other UEs 115 that may sometimes act as relays as well as the base stations 105 and the network equipment including macro eNBs or gNBs, small cell eNBs or gNBs, or relay base stations, among other examples, as shown in FIG. 1.
- devices such as other UEs 115 that may sometimes act as relays as well as the base stations 105 and the network equipment including macro eNBs or gNBs, small cell eNBs or gNBs, or relay base stations, among other examples, as shown in FIG. 1.
- the UEs 115 and the base stations 105 may wirelessly communicate with one another via one or more communication links 125 over one or more carriers.
- the term “carrier” may refer to a set of radio frequency spectrum resources having a defined physical layer structure for supporting the communication links 125.
- a carrier used for a communication link 125 may include a portion of a radio frequency spectrum band (e.g., a bandwidth part (BWP) ) that is operated according to one or more physical layer channels for a given radio access technology (e.g., LTE, LTE-A, LTE-A Pro, NR) .
- BWP bandwidth part
- Each physical layer channel may carry acquisition signaling (e.g., synchronization signals, system information) , control signaling that coordinates operation for the carrier, user data, or other signaling.
- the wireless communications system 100 may support communication with a UE 115 using carrier aggregation or multi-carrier operation.
- a UE 115 may be configured with multiple downlink component carriers and one or more uplink component carriers according to a carrier aggregation configuration.
- Carrier aggregation may be used with both frequency division duplexing (FDD) and time division duplexing (TDD) component carriers.
- FDD frequency division duplexing
- TDD time division duplexing
- a carrier may also have acquisition signaling or control signaling that coordinates operations for other carriers.
- a carrier may be associated with a frequency channel (e.g., an evolved universal mobile telecommunication system terrestrial radio access (E-UTRA) absolute radio frequency channel number (EARFCN) ) and may be positioned according to a channel raster for discovery by the UEs 115.
- E-UTRA evolved universal mobile telecommunication system terrestrial radio access
- a carrier may be operated in a standalone mode where initial acquisition and connection may be conducted by the UEs 115 via the carrier, or the carrier may be operated in a non-standalone mode where a connection is anchored using a different carrier (e.g., of the same or a different radio access technology) .
- the communication links 125 shown in the wireless communications system 100 may include uplink transmissions from a UE 115 to a base station 105, or downlink transmissions from a base station 105 to a UE 115.
- Carriers may carry downlink or uplink communications (e.g., in an FDD mode) or may be configured to carry downlink and uplink communications (e.g., in a TDD mode) .
- a carrier may be associated with a particular bandwidth of the radio frequency spectrum, and in some examples the carrier bandwidth may be referred to as a “system bandwidth” of the carrier or the wireless communications system 100.
- the carrier bandwidth may be one of a number of determined bandwidths for carriers of a particular radio access technology (e.g., 1.4, 3, 5, 10, 15, 20, 40, or 80 megahertz (MHz) ) .
- Devices of the wireless communications system 100 e.g., the base stations 105, the UEs 115, or both
- the wireless communications system 100 may include base stations 105 or UEs 115 that support simultaneous communications via carriers associated with multiple carrier bandwidths.
- each served UE 115 may be configured for operating over portions (e.g., a sub-band, a BWP) or all of a carrier bandwidth.
- Signal waveforms transmitted over a carrier may be made up of multiple subcarriers (e.g., using multi-carrier modulation (MCM) techniques such as OFDM or discrete Fourier transform spread OFDM (DFT-S-OFDM) ) .
- MCM multi-carrier modulation
- a resource element may consist of one symbol period (e.g., a duration of one modulation symbol) and one subcarrier, where the symbol period and subcarrier spacing are inversely related.
- the number of bits carried by each resource element may depend on the modulation scheme (e.g., the order of the modulation scheme, the coding rate of the modulation scheme, or both) .
- a wireless communications resource may refer to a combination of a radio frequency spectrum resource, a time resource, and a spatial resource (e.g., spatial layers or beams) , and the use of multiple spatial layers may further increase the data rate or data integrity for communications with a UE 115.
- Time intervals of a communications resource may be organized according to radio frames each having a specified duration (e.g., 10 milliseconds (ms) ) .
- Each radio frame may be identified by a system frame number (SFN) (e.g., ranging from 0 to 1023) .
- SFN system frame number
- Each frame may include multiple consecutively numbered subframes or slots, and each subframe or slot may have the same duration.
- a frame may be divided (e.g., in the time domain) into subframes, and each subframe may be further divided into a number of slots.
- each frame may include a variable number of slots, and the number of slots may depend on subcarrier spacing.
- Each slot may include a number of symbol periods (e.g., depending on the length of the cyclic prefix prepended to each symbol period) .
- a slot may further be divided into multiple mini-slots containing one or more symbols. Excluding the cyclic prefix, each symbol period may contain one or more (e.g., N f ) sampling periods. The duration of a symbol period may depend on the subcarrier spacing or frequency band of operation.
- a subframe, a slot, a mini-slot, or a symbol may be the smallest scheduling unit (e.g., in the time domain) of the wireless communications system 100 and may be referred to as a transmission time interval (TTI) .
- TTI duration e.g., the number of symbol periods in a TTI
- the smallest scheduling unit of the wireless communications system 100 may be dynamically selected (e.g., in bursts of shortened TTIs (sTTIs) ) .
- Physical channels may be multiplexed on a carrier according to various techniques.
- a physical control channel and a physical data channel may be multiplexed on a downlink carrier, for example, using one or more of time division multiplexing (TDM) techniques, frequency division multiplexing (FDM) techniques, or hybrid TDM-FDM techniques.
- a control region e.g., a CORESET
- a control region for a physical control channel may be defined by a number of symbol periods and may extend across the system bandwidth or a subset of the system bandwidth of the carrier.
- One or more control regions (e.g., CORESETs) may be configured for a set of the UEs 115.
- one or more of the UEs 115 may monitor or search control regions for control information according to one or more search space sets, and each search space set may include one or multiple control channel candidates in one or more aggregation levels arranged in a cascaded manner.
- An aggregation level for a control channel candidate may refer to a number of control channel resources (e.g., control channel elements (CCEs) ) associated with encoded information for a control information format having a given payload size.
- Search space sets may include common search space sets configured for sending control information to multiple UEs 115 and UE-specific search space sets for sending control information to a specific UE 115.
- a base station 105 may be movable and therefore provide communication coverage for a moving geographic coverage area 110.
- different geographic coverage areas 110 associated with different technologies may overlap, but the different geographic coverage areas 110 may be supported by the same base station 105.
- the overlapping geographic coverage areas 110 associated with different technologies may be supported by different base stations 105.
- the wireless communications system 100 may include, for example, a heterogeneous network in which different types of the base stations 105 provide coverage for various geographic coverage areas 110 using the same or different radio access technologies.
- Some UEs 115 may be configured to employ operating modes that reduce power consumption, such as half-duplex communications (e.g., a mode that supports one-way communication via transmission or reception, but not transmission and reception simultaneously) .
- half-duplex communications may be performed at a reduced peak rate.
- Other power conservation techniques for the UEs 115 include entering a power saving deep sleep mode when not engaging in active communications, operating over a limited bandwidth (e.g., according to narrowband communications) , or a combination of these techniques.
- some UEs 115 may be configured for operation using a narrowband protocol type that is associated with a defined portion or range (e.g., set of subcarriers or resource blocks (RBs) ) within a carrier, within a guard-band of a carrier, or outside of a carrier.
- a narrowband protocol type that is associated with a defined portion or range (e.g., set of subcarriers or resource blocks (RBs) ) within a carrier, within a guard-band of a carrier, or outside of a carrier.
- the wireless communications system 100 may be configured to support ultra-reliable communications or low-latency communications, or various combinations thereof.
- the wireless communications system 100 may be configured to support ultra-reliable low-latency communications (URLLC) or mission critical communications.
- the UEs 115 may be designed to support ultra-reliable, low-latency, or critical functions (e.g., mission critical functions) .
- Ultra-reliable communications may include private communication or group communication and may be supported by one or more mission critical services such as mission critical push-to-talk (MCPTT) , mission critical video (MCVideo) , or mission critical data (MCData) .
- MCPTT mission critical push-to-talk
- MCVideo mission critical video
- MCData mission critical data
- Support for mission critical functions may include prioritization of services, and mission critical services may be used for public safety or general commercial applications.
- the terms ultra-reliable, low-latency, mission critical, and ultra-reliable low-latency may be used interchangeably herein.
- a UE 115 may also be able to communicate directly with other UEs 115 over a device-to-device (D2D) communication link 135 (e.g., using a peer-to-peer (P2P) or D2D protocol) .
- D2D device-to-device
- P2P peer-to-peer
- One or more UEs 115 utilizing D2D communications may be within the geographic coverage area 110 of a base station 105.
- Other UEs 115 in such a group may be outside the geographic coverage area 110 of a base station 105 or be otherwise unable to receive transmissions from a base station 105.
- groups of the UEs 115 communicating via D2D communications may utilize a one-to-many (1: M) system in which each UE 115 transmits to every other UE 115 in the group.
- a base station 105 facilitates the scheduling of resources for D2D communications. In other cases, D2D communications are carried out between the UEs 115 without the involvement of a base station 105.
- the core network 130 may provide user authentication, access authorization, tracking, Internet Protocol (IP) connectivity, and other access, routing, or mobility functions.
- the core network 130 may be an evolved packet core (EPC) or 5G core (5GC) , which may include at least one control plane entity that manages access and mobility (e.g., a mobility management entity (MME) , an access and mobility management function (AMF) ) and at least one user plane entity that routes packets or interconnects to external networks (e.g., a serving gateway (S-GW) , a Packet Data Network (PDN) gateway (P-GW) , or a user plane function (UPF) ) .
- EPC evolved packet core
- 5GC 5G core
- MME mobility management entity
- AMF access and mobility management function
- S-GW serving gateway
- PDN Packet Data Network gateway
- UPF user plane function
- the control plane entity may manage non-access stratum (NAS) functions such as mobility, authentication, and bearer management for the UEs 115 served by the base stations 105 associated with the core network 130.
- NAS non-access stratum
- User IP packets may be transferred through the user plane entity, which may provide IP address allocation as well as other functions.
- the user plane entity may be connected to the network operators IP services 150.
- the network operators IP services 150 may include access to the Internet, Intranet (s) , an IP Multimedia Subsystem (IMS) , or a Packet-Switched Streaming Service.
- Some of the network devices may include subcomponents such as an access network entity 140, which may be an example of an access node controller (ANC) .
- Each access network entity 140 may communicate with the UEs 115 through one or more other access network transmission entities 145, which may be referred to as radio heads, smart radio heads, or transmission/reception points (TRPs) .
- Each access network transmission entity 145 may include one or more antenna panels.
- various functions of each access network entity 140 or base station 105 may be distributed across various network devices (e.g., radio heads and ANCs) or consolidated into a single network device (e.g., a base station 105) .
- the wireless communications system 100 may operate using one or more frequency bands, typically in the range of 300 MHz to 300 GHz.
- the region from 300 MHz to 3 GHz is known as the ultra-high frequency (UHF) region or decimeter band because the wavelengths range from approximately one decimeter to one meter in length.
- UHF waves may be blocked or redirected by buildings and environmental features, but the waves may penetrate structures sufficiently for a macro cell to provide service to the UEs 115 located indoors.
- the transmission of UHF waves may be associated with smaller antennas and shorter ranges (e.g., less than 100 kilometers) compared to transmission using the smaller frequencies and longer waves of the high frequency (HF) or very high frequency (VHF) portion of the spectrum below 300 MHz.
- HF high frequency
- VHF very high frequency
- the wireless communications system 100 may also operate in a super high frequency (SHF) region using frequency bands from 3 GHz to 30 GHz, also known as the centimeter band, or in an extremely high frequency (EHF) region of the spectrum (e.g., from 30 GHz to 300 GHz) , also known as the millimeter band.
- SHF super high frequency
- EHF extremely high frequency
- the wireless communications system 100 may support millimeter wave (mmW) communications between the UEs 115 and the base stations 105, and EHF antennas of the respective devices may be smaller and more closely spaced than UHF antennas. In some examples, this may facilitate use of antenna arrays within a device.
- mmW millimeter wave
- the propagation of EHF transmissions may be subject to even greater atmospheric attenuation and shorter range than SHF or UHF transmissions.
- the techniques disclosed herein may be employed across transmissions that use one or more different frequency regions, and designated use of bands across these frequency regions may differ by country or regulating body.
- the wireless communications system 100 may utilize both licensed and unlicensed radio frequency spectrum bands.
- the wireless communications system 100 may employ License Assisted Access (LAA) , LTE-Unlicensed (LTE-U) radio access technology, or NR technology in an unlicensed band such as the 5 GHz industrial, scientific, and medical (ISM) band.
- LAA License Assisted Access
- LTE-U LTE-Unlicensed
- NR NR technology
- an unlicensed band such as the 5 GHz industrial, scientific, and medical (ISM) band.
- devices such as the base stations 105 and the UEs 115 may employ carrier sensing for collision detection and avoidance.
- operations in unlicensed bands may be based on a carrier aggregation configuration in conjunction with component carriers operating in a licensed band (e.g., LAA) .
- Operations in unlicensed spectrum may include downlink transmissions, uplink transmissions, P2P transmissions, or D2D transmissions, among other examples.
- a base station 105 or a UE 115 may be equipped with multiple antennas, which may be used to employ techniques such as transmit diversity, receive diversity, multiple-input multiple-output (MIMO) communications, or beamforming.
- the antennas of a base station 105 or a UE 115 may be located within one or more antenna arrays or antenna panels, which may support MIMO operations or transmit or receive beamforming.
- one or more base station antennas or antenna arrays may be co-located at an antenna assembly, such as an antenna tower.
- antennas or antenna arrays associated with a base station 105 may be located in diverse geographic locations.
- a base station 105 may have an antenna array with a number of rows and columns of antenna ports that the base station 105 may use to support beamforming of communications with a UE 115.
- a UE 115 may have one or more antenna arrays that may support various MIMO or beamforming operations.
- an antenna panel may support radio frequency beamforming for a signal transmitted via an antenna port.
- Beamforming which may also be referred to as spatial filtering, directional transmission, or directional reception, is a signal processing technique that may be used at a transmitting device or a receiving device (e.g., a base station 105, a UE 115) to shape or steer an antenna beam (e.g., a transmit beam, a receive beam) along a spatial path between the transmitting device and the receiving device.
- Beamforming may be achieved by combining the signals communicated via antenna elements of an antenna array such that some signals propagating at particular orientations with respect to an antenna array experience constructive interference while others experience destructive interference.
- the adjustment of signals communicated via the antenna elements may include a transmitting device or a receiving device applying amplitude offsets, phase offsets, or both to signals carried via the antenna elements associated with the device.
- the adjustments associated with each of the antenna elements may be defined by a beamforming weight set associated with a particular orientation (e.g., with respect to the antenna array of the transmitting device or receiving device, or with respect to some other orientation) .
- a base station 105 may map CCEs for a control information transmission to a UE 115 to REG bundles of a CORESET based on a block interleaver design.
- the block interleaver design may include a first block interleaver and a second block interleaver for REG bundles of the CORESET.
- the first block interleaver may include a row parameter, which corresponds to a quantity of rows of the first block interleaver.
- the second block interleaver may include a skipping parameter, which corresponds to a quantity of columns of the second block interleaver.
- the base station 105 may map CCEs to REG bundles that span a greater bandwidth of the CORESET, which may increase a total transmit power of the control information transmission to the UE 115.
- the UE 115 may monitor the CORESET for control information from the base station 105. To detect the control information, the UE 115 may determine the mapping of CCEs to REG bundles of the CORESET. In some examples, the UE 115 may receive a configuration message (e.g., an RRC configuration message) indicating the row parameter and the skipping parameter, which the UE 115 may use to determine the mapping. Additionally or alternatively, the UE 115 may determine a configuration associated with the CORESET (e.g., a quantity of OFDM symbols in a time domain, a sub-carrier spacing in a frequency domain, etc. ) and determine the mapping based on the CORESET configuration.
- a configuration associated with the CORESET e.g., a quantity of OFDM symbols in a time domain, a sub-carrier spacing in a frequency domain, etc.
- the UE 115 may detect the control information in the CORESET and communicate with the base station 105 based on the control information.
- the CORESET mapping and monitoring described herein may improve communications between the UE 115 and the base station 105, among other benefits.
- FIG. 2 illustrates an example of a wireless communications system 200 that supports control resource interleaving for 6 GHz band communications in accordance with aspects of the present disclosure.
- the wireless communications system 200 may implement aspects of wireless communications system 100.
- the wireless communications system 200 may include a base station 205 and a UE 215, which may be examples of the corresponding devices described with reference to FIG. 1.
- the wireless communications system 200 may include features for improved CORESET mapping and monitoring, among other benefits.
- the base station 205 may provide a geographic coverage area 210.
- the base station 205 may transmit control information 225 intended for the UE 215 in a CORESET 220.
- the UE 215 may monitor the CORESET 220 to detect the control information 225. Based on detecting the control information 225, the UE 215 may communicate with the base station 205 (e.g., via downlink transmissions from the base station 205, uplink transmissions from the UE 215, etc. ) .
- the base station 205 and the UE 215 may transmit in an unlicensed radio frequency spectrum band, which may have a PSD limit for transmissions, which may limit a total transmit power for a transmission in the band.
- a PSD limit for transmissions which may limit a total transmit power for a transmission in the band.
- transmissions from the base station 205 may have a PSD limit of 5 dBm/MHz
- transmissions from the UE 215 may have a PSD limit of -1 dBm/MHz.
- it may be beneficial to transmit the control information 225 in CCEs such that the control information 225 spans a greater bandwidth of the CORESET 220, which may increase a total transmit power of the control information 225 transmitted to the UE 215.
- the CORESET 220 may be defined by a quantity of OFDM symbols (e.g., one OFDM symbol, two OFDM symbols, three OFDM symbols, etc. ) in a time domain.
- the CORESET 220 may also be defined by a bitmap in a frequency domain, where each bit of the bitmap may correspond to a quantity of RBs (e.g., six RBs) of the CORESET 220.
- the CORESET 220 may span a bandwidth of a BWP, such as 20 MHz.
- RBs of the CORESET 220 may be grouped into REGs.
- an REG may include one RB in one symbol.
- Each REG may be sequentially indexed, first in the time domain and then in the frequency domain.
- An REG bundle of the CORESET 220 may include one or more adjacent REGs based on a bundle size. For example, if the CORESET 220 is configured with a bundle size of 2, each REG bundle may include two adjacent REGs.
- the base station 205 may map CCEs (e.g., CCEs including the control information 225) to REGs of the CORESET 220.
- the mapping may be a non-interleaved mapping or an interleaved mapping.
- each CCE may include a quantity of adjacent REGs.
- a CCE mapped to adjacent REGs in a non-interleaved mapping may span a narrow portion of the CORESET 220 bandwidth, which may limit the total transmit power of a PDCCH that includes the mapped CCEs.
- An interleaved mapping may be based on a block interleaver that includes a quantity of rows (e.g., two rows, three rows, six rows, etc. ) .
- the block interleaver may interleave REG bundles such that CCEs may be mapped to non-sequential REG bundles.
- a PDCCH transmission e.g., a PDCCH transmission that includes the control information 225
- the base station 205 may transmit the PDCCH transmission with a greater total transmit power.
- a base station 205 may map CCEs to REG bundles of a CORESET 220 based on a block interleaver design which includes a first block interleaver and a second block interleaver.
- the first block interleaver may include a row parameter, which corresponds to a quantity of rows of the first block interleaver.
- the second block interleaver may include a skipping parameter, which corresponds to a quantity of columns of the second block interleaver.
- the base station 205 may map CCEs to REG bundles that span a greater bandwidth of the CORESET 220, which may increase a total transmit power of the control information 225 transmitted to the UE 215 (e.g., in a PDCCH transmission) .
- the UE 215 may monitor the CORESET 220 for the control information 225 from the base station 205. To detect the control information 225, the UE 215 may determine the mapping of CCEs to REG bundles of the CORESET 220. In some examples, the UE 215 may receive a configuration message (e.g., an RRC configuration message) indicating the row parameter and the skipping parameter, which the UE 215 may use to determine the mapping. Additionally or alternatively, the UE 215 may determine a configuration associated with the CORESET 220 (e.g., the quantity of OFDM symbols in the time domain, a sub-carrier spacing in the frequency domain, etc. ) and determine the mapping based on the configuration of the CORESET 220. Based on determining the mapping, the UE 215 may detect the control information 225 in the CORESET 220 and communicate with the base station 205 based on the control information 225.
- a configuration message e.g., an RRC configuration message
- the UE 215 may determine
- FIG. 3 illustrates an example of a mapping scheme 300 that supports control resource interleaving for 6 GHz band communications in accordance with aspects of the present disclosure.
- the mapping scheme 300 may implement aspects of wireless communications systems 100 and 200.
- the mapping scheme 300 may be associated with communications between a UE and a base station, which may be examples of corresponding devices described with reference to FIGs. 1 and 2.
- the mapping scheme 300 may illustrate features for improved CORESET mapping and monitoring, among other benefits.
- a CORESET may include 2 OFDM symbols, each containing 48 RBs.
- the RBs may be grouped into REGs, where each REG includes one RB in one symbol.
- the CORESET may be configured with a bundle size of 2, where each REG bundle may include two adjacent REGs. Accordingly, the CORESET includes 48 REG bundles, with indices 0 through 47. Each REG bundle may be sequentially indexed, first in the time domain and then in the frequency domain.
- a base station may use the mapping scheme 300 to map CCEs to REG bundles of the CORESET in a mapping 310. For example, based on the mapping 310, 16 CCEs with indices 0 through 15 may be mapped to the 48 REG bundles of the CORESET. In order to distribute CCEs across a greater bandwidth of the CORESET, the mapping 310 may be based on a block interleaver 305. The block interleaver 305 may have a row parameter of 2, where the block interleaver 305 may include two rows of REG bundle indices. The CCEs may then be mapped to the REG bundles according to a sequential reading of the columns of the block interleaver 305. For example, CCE 0 may include REG bundles 0, 24, and 1.
- a base station may transmit control information to a UE in a PDCCH transmission that includes a quantity of CCEs based on an aggregation level.
- a PDCCH transmission with an aggregation level of 4 may include CCEs 4 through 7.
- CCEs 4 through 7 include REG bundles 6 through 11 and 30 through 35. That is, when using the block interleaver 305, the REG bundles included in a PDCCH transmission may be clustered according to the quantity of rows of the block interleaver 305. It may therefore be beneficial to improve the mapping scheme 300 to map CCEs to REG bundles distributed throughout the bandwidth of the CORESET, such a PDCCH transmission may span a greater bandwidth of the CORESET.
- a PDCCH transmission with a greater bandwidth may be transmitted with a greater total transmit power.
- a base station may map CCEs based on a second interleaver (not shown) in addition to the block interleaver 305.
- the second interleaver may include a skipping parameter corresponding to a quantity of columns of the second interleaver.
- the base station may map CCEs to REG bundles that span a greater bandwidth of the CORESET, which may increase a total transmit power of the control information transmitted to the UE (e.g., in a PDCCH transmission) .
- the UE may monitor the CORESET for control information from the base station. To detect the control information , the UE may determine the mapping 310. In some examples, the UE may receive a configuration message (e.g., an RRC configuration message) indicating the row parameter and the skipping parameter, which the UE may use to determine the mapping 310 based on the block interleaver 305. Additionally or alternatively, the UE may determine a configuration associated with the CORESET (e.g., the quantity of OFDM symbols in the time domain, a sub-carrier spacing in the frequency domain, etc. ) and determine the mapping 310 based on the configuration of the CORESET. Based on determining the mapping 310, the UE may detect the control information in the CORESET and communicate with the base station based on the control information.
- a configuration message e.g., an RRC configuration message
- the UE may determine a configuration associated with the CORESET (e.g., the quantity of OFDM symbols in the time domain, a sub-carrier
- FIG. 4 illustrates an example of a mapping scheme 400 that supports control resource interleaving for 6 GHz band communications in accordance with aspects of the present disclosure.
- the mapping scheme 400 may implement aspects of wireless communications systems 100 and 200.
- the mapping scheme 400 may be associated with communications between a UE and a base station, which may be examples of corresponding devices described with reference to FIGs. 1 and 2.
- the mapping scheme 400 may illustrate features for improved CORESET mapping and monitoring, among other benefits.
- a CORESET may include 2 OFDM symbols, each containing 48 RBs.
- the RBs may be grouped into REGs, where each REG includes one RB in one symbol.
- the CORESET may be configured with a bundle size of 2, where each REG bundle may include two adjacent REGs. Accordingly, the CORESET includes 48 REG bundles, with indices 0 through 47. Each REG bundle may be sequentially indexed, first in the time domain and then in the frequency domain.
- a base station may use the mapping scheme 400 to map CCEs to REG bundles of the CORESET in a mapping 410. For example, based on the mapping 410, 16 CCEs with indices 0 through 15 may be mapped to the 48 REG bundles of the CORESET. In order to distribute CCEs across a greater bandwidth of the CORESET, the mapping 410 may be based on a first block interleaver 405-a and a second block interleaver 405-b. The first block interleaver 405-a may have a row parameter of 2, where the first block interleaver 405-a may include two rows of REG bundle indices.
- the second block interleaver 405-b may have a skipping parameter of 3, where the second block interleaver 405-b may include the REG bundle indices of the first row of the first block interleaver 405-a (e.g., REG bundles 0 through 23) arranged in three columns.
- the CCEs may be mapped to the REG bundles.
- the columns of the second block interleaver 405-b may identify the order in which the columns of the first block interleaver 405-a are read in the mapping.
- CCE 0 may include REG bundles 0 and 24 of the first column, as well as REG bundle 3 of the next column indicated by the second block interleaver 405-b.
- a base station may transmit control information to a UE in a PDCCH transmission that includes a quantity of CCEs based on an aggregation level.
- a PDCCH transmission with an aggregation level of 4 may include CCEs 4 through 7.
- CCEs 4 through 7 include REG bundles 1, 4, 7, 10, 18, 21, 25, 28, 31, 34, 42, and 45. That is, when using the first block interleaver 405-a and the second block interleaver 405-b, the REG bundles included in a PDCCH transmission may be distributed throughout the bandwidth of the CORESET, such the PDCCH transmission spans a greater bandwidth of the CORESET.
- a PDCCH transmission with a greater bandwidth may be transmitted with a greater total transmit power, which may improve a likelihood that the UE will detect the control information in the PDCCH transmission.
- the UE may monitor the CORESET for control information from the base station. To detect the control information , the UE may determine the mapping 410. In some examples, the UE may receive a configuration message (e.g., an RRC configuration message) indicating the row parameter and the skipping parameter, which the UE may use to determine the mapping 410 based on the first block interleaver 405-a and the second block interleaver 405-b. Additionally or alternatively, the UE may determine a configuration associated with the CORESET (e.g., the quantity of OFDM symbols in the time domain, a sub-carrier spacing in the frequency domain, etc. ) and determine the mapping 410 based on the configuration of the CORESET. Based on determining the mapping 410, the UE may detect the control information in the CORESET and communicate with the base station based on the control information.
- a configuration message e.g., an RRC configuration message
- the UE may determine a configuration associated with the CORESET (e.g., the quantity
- a CORESET may include a different quantity of symbols and/or RBs.
- a base station may use a different row parameter and/or a different skipping parameter in a block interleaver design when mapping CCEs to REG bundles of the CORESET.
- the skipping parameter may be based on the REG bundle size. For example, if the REG bundle size is 6, the skipping parameter may be 1.
- FIG. 5 illustrates an example of a process flow 500 that supports control resource interleaving for 6 GHz band communications in accordance with aspects of the present disclosure.
- process flow 500 may implement aspects of wireless communications systems 100 and 200.
- the process flow 500 may include example operations associated with one or more of a base station 505 or a UE 515, which may be examples of the corresponding devices described with reference to FIGs. 1 and 2.
- the operations between the base station 505 and the UE 515 may be performed in a different order than the example order shown, or the operations performed by the base station 505 and the UE 515 may be performed in different orders or at different times.
- Some operations may also be omitted from the process flow 500, and other operations may be added to the process flow 500.
- the operations performed by the base station 505 and the UE 515 may support improvement to the base station 505 control information transmission operations and, in some examples, may promote improvements to CORESET monitoring for the UE 515, among other benefits.
- the base station 505 may map CCEs to REG bundles of a CORESET based on a block interleaver design.
- the block interleaver design may include a first block interleaver and a second block interleaver for REG bundles of the CORESET.
- the first block interleaver may include a row parameter, which corresponds to a quantity of rows of the first block interleaver.
- the second block interleaver may include a skipping parameter, which corresponds to a quantity of columns of the second block interleaver.
- the base station 505 may map CCEs to REG bundles based on a mapping scheme similar to the mapping schemes described in FIGs. 3 and 4.
- the base station 505 may map CCEs to REG bundles that span a greater bandwidth of the CORESET, which may increase a total transmit power of a control information transmission to the UE 515.
- the base station 505 may transmit an RRC configuration message to the UE 515.
- the RRC configuration message may indicate the row parameter and the skipping parameter used in the mapping.
- the RRC configuration message may include additional configuration information associated with the CORESET.
- the UE 515 may monitor the CORESET for control information from the base station 505.
- the UE 515 may determine the mapping of CCEs to REG bundles of the CORESET. In some examples, the UE may determine the mapping based on the row parameter and the skipping parameter indicated in the RRC message. Additionally or alternatively, the UE 515 may determine a configuration associated with the CORESET (e.g., a quantity of OFDM symbols in a time domain, a sub-carrier spacing in a frequency domain, etc. ) and determine the mapping based on the CORESET configuration.
- a configuration associated with the CORESET e.g., a quantity of OFDM symbols in a time domain, a sub-carrier spacing in a frequency domain, etc.
- the CORESET may be a CORESET 0, which the UE 515 may receive before RRC messages are transmitted from the base station 505.
- the CORESET 0 may be configured according to a reserved configuration of a set of reserved configurations (e.g., eight reserved configurations) .
- the reserved configuration for the CORESET 0 may be indicated in signaling from the base station 505 (e.g., a master information block (MIB) , a system information block (SIB) , etc. ) .
- the UE 515 may determine the mapping for the CORESET 0 based on the reserved configuration indicated by the base station 505.
- the UE 515 may determine the mapping for one or more reserved configurations of the CORESET 0 using one or more default parameters. For example, the UE 515 may determine an REG bundle size is 2 for the CORESET 0 if the CORESET 0 includes one or two OFDM symbols. Additionally or alternatively, the UE 515 may determine a default skipping parameter for the CORESET 0 based on the sub-carrier spacing of the CORESET 0. For example, if the sub-carrier spacing of the CORESET 0 is 15 kilohertz (kHz) , the UE 515 may determine the skipping parameter is 6 or greater. If the sub-carrier spacing of the CORESET 0 is 30 kHz, the UE 515 may determine the skipping parameter is 3 or greater. The UE 515 may additionally determine a default row parameter based on the configuration of the CORESET 0.
- kHz kilohertz
- the base station 505 may transmit the control information to the UE 515 in the CORESET.
- the control information may be included in a PDCCH transmission that includes a quantity of CCEs based on an aggregation level. For example, if the aggregation level for the PDCCH transmission is 4, the PDCCH transmission may include four CCEs mapped to REG bundles of the CORESET.
- the UE 515 may detect the control information transmitted in the CORESET.
- the UE 515 may detect the control information based on the determining the mapping.
- the UE 515 may also detect the control information based on determining the aggregation level of the PDCCH transmission that includes the control information.
- the UE 515 may communicate with the base station 505 based on detecting the control information.
- the communication may include uplink transmissions from the UE 515, downlink transmissions from the base station 505, etc.
- the operations performed by the UE 515 and the base station 505 may therefore support improvements to control information transmission and detection operations and, in some examples, may promote improvements to the reliability of communications between the UE 515 and the base station 505, among other benefits.
- FIG. 6 shows a block diagram 600 of a device 605 that supports control resource interleaving for 6 GHz band communications in accordance with aspects of the present disclosure.
- the device 605 may be an example of aspects of a UE 115 as described herein.
- the device 605 may include a receiver 610, a communications manager 615, and a transmitter 620.
- the device 605 may also include a processor. Each of these components may be in communication with one another (e.g., via one or more buses) .
- the receiver 610 may receive information such as packets, user data, or control information associated with various information channels (e.g., control channels, data channels, and information related to control resource interleaving for 6 GHz band communications, etc. ) . Information may be passed on to other components of the device 605.
- the receiver 610 may be an example of aspects of the transceiver 920 described with reference to FIG. 9.
- the receiver 610 may utilize a single antenna or a set of antennas.
- the communications manager 615 may monitor a control resource set for control information from a base station, determine a mapping between one or more control channel elements and a set of resource element group bundles of the control resource set, the mapping based on a row parameter and a skipping parameter associated with the set of resource element group bundles, detect the control information in the one or more control channel elements based on the mapping, and communicate with the base station based on the detected control information.
- the communications manager 615 as described herein may be implemented to realize one or more potential advantages.
- One implementation may allow the device 605 to save power and increase battery life by communicating with a base station 105 (as shown in FIG. 1) more efficiently.
- the device 605 may efficiently receive control information from the base station 105 as the device 605 may be able to determine the CORESET mapping and detect the control information more reliably.
- the communications manager 615 may be an example of aspects of the communications manager 910 described herein.
- the communications manager 615 may be implemented in hardware, code (e.g., software or firmware) executed by a processor, or any combination thereof. If implemented in code executed by a processor, the functions of the communications manager 615, or its sub-components may be executed by a general-purpose processor, a digital signal processor (DSP) , an application-specific integrated circuit (ASIC) , a field-programmable gate array (FPGA) or other programmable logic device, discrete gate or transistor logic, discrete hardware components, or any combination thereof designed to perform the functions described in the present disclosure.
- DSP digital signal processor
- ASIC application-specific integrated circuit
- FPGA field-programmable gate array
- the communications manager 615 may be physically located at various positions, including being distributed such that portions of functions are implemented at different physical locations by one or more physical components.
- the communications manager 615, or its sub-components may be a separate and distinct component in accordance with various aspects of the present disclosure.
- the communications manager 615, or its sub-components may be combined with one or more other hardware components, including but not limited to an input/output (I/O) component, a transceiver, a network server, another computing device, one or more other components described in the present disclosure, or a combination thereof in accordance with various aspects of the present disclosure.
- I/O input/output
- the transmitter 620 may transmit signals generated by other components of the device 605.
- the transmitter 620 may be collocated with a receiver 610 in a transceiver module.
- the transmitter 620 may be an example of aspects of the transceiver 920 described with reference to FIG. 9.
- the transmitter 620 may utilize a single antenna or a set of antennas.
- FIG. 7 shows a block diagram 700 of a device 705 that supports control resource interleaving for 6 GHz band communications in accordance with aspects of the present disclosure.
- the device 705 may be an example of aspects of a device 605, or a UE 115 as described herein.
- the device 705 may include a receiver 710, a communications manager 715, and a transmitter 740.
- the device 705 may also include a processor. Each of these components may be in communication with one another (e.g., via one or more buses) .
- the receiver 710 may receive information such as packets, user data, or control information associated with various information channels (e.g., control channels, data channels, and information related to control resource interleaving for 6 GHz band communications, etc. ) . Information may be passed on to other components of the device 705.
- the receiver 710 may be an example of aspects of the transceiver 920 described with reference to FIG. 9.
- the receiver 710 may utilize a single antenna or a set of antennas.
- the communications manager 715 may be an example of aspects of the communications manager 615 as described herein.
- the communications manager 715 may include a CORESET monitoring manager 720, a CORESET configuration component 725, a control information detection component 730, and a communication component 735.
- the communications manager 715 may be an example of aspects of the communications manager 910 described herein.
- the CORESET monitoring manager 720 may monitor a control resource set for control information from a base station.
- the CORESET configuration component 725 may determine a mapping between one or more control channel elements and a set of resource element group bundles of the control resource set, the mapping based on a row parameter and a skipping parameter associated with the set of resource element group bundles.
- the control information detection component 730 may detect the control information in the one or more control channel elements based on the mapping.
- the communication component 735 may communicate with the base station based on the detected control information.
- the transmitter 740 may transmit signals generated by other components of the device 705.
- the transmitter 740 may be collocated with a receiver 710 in a transceiver module.
- the transmitter 740 may be an example of aspects of the transceiver 920 described with reference to FIG. 9.
- the transmitter 740 may utilize a single antenna or a set of antennas.
- FIG. 8 shows a block diagram 800 of a communications manager 805 that supports control resource interleaving for 6 GHz band communications in accordance with aspects of the present disclosure.
- the communications manager 805 may be an example of aspects of a communications manager 615, a communications manager 715, or a communications manager 910 described herein.
- the communications manager 805 may include a CORESET monitoring manager 810, a CORESET configuration component 815, a control information detection component 820, and a communication component 825. Each of these modules may communicate, directly or indirectly, with one another (e.g., via one or more buses) .
- the CORESET monitoring manager 810 may monitor a control resource set for control information from a base station.
- the CORESET configuration component 815 may determine a mapping between one or more control channel elements and a set of resource element group bundles of the control resource set, the mapping based on a row parameter and a skipping parameter associated with the set of resource element group bundles. In some examples, the CORESET configuration component 815 may receive a RRC configuration message indicating the row parameter and the skipping parameter, where the mapping is determined based on receiving the RRC configuration message.
- the CORESET configuration component 815 may determine a configuration associated with the control resource set, the configuration including a quantity of OFDM symbols in a time domain and a sub-carrier spacing in a frequency domain, where the mapping is determined based on the configuration. In some examples, the CORESET configuration component 815 may determine a bundle size associated with the set of resource element group bundles based on the quantity of OFDM symbols. In some examples, the CORESET configuration component 815 may determine the row parameter based on the configuration associated with the control resource set. In some examples, the CORESET configuration component 815 may determine the skipping parameter based on the sub-carrier spacing.
- the mapping is determined based on a first block interleaver associated with the set of resource element group bundles, the first block interleaver including a first quantity of rows. In some cases, the first quantity of rows in the first block interleaver is determined based on the row parameter. In some cases, the mapping is further determined based on a second block interleaver associated with the set of resource element group bundles, the second block interleaver including a second quantity of columns. In some cases, the second quantity of columns in the second block interleaver is determined based on the skipping parameter.
- each resource element group bundle of the set of resource element group bundles includes one or more resource blocks of the control resource set. In some cases, each resource element group bundle of the set of resource element group bundles is sequentially indexed in a time domain and in a frequency domain.
- the control information detection component 820 may detect the control information in the one or more control channel elements based on the mapping. In some examples, the control information detection component 820 may determine an aggregation level associated with the control information, where detecting the control information is further based on determining the aggregation level. In some cases, the control information is detected in a physical downlink control channel transmission.
- the communication component 825 may communicate with the base station based on the detected control information.
- FIG. 9 shows a diagram of a system 900 including a device 905 that supports control resource interleaving for 6 GHz band communications in accordance with aspects of the present disclosure.
- the device 905 may be an example of or include the components of device 605, device 705, or a UE 115 as described herein.
- the device 905 may include components for bi-directional voice and data communications including components for transmitting and receiving communications, including a communications manager 910, an I/O controller 915, a transceiver 920, an antenna 925, memory 930, and a processor 940. These components may be in electronic communication via one or more buses (e.g., bus 945) .
- buses e.g., bus 945
- the communications manager 910 may monitor a control resource set for control information from a base station, determine a mapping between one or more control channel elements and a set of resource element group bundles of the control resource set, the mapping based on a row parameter and a skipping parameter associated with the set of resource element group bundles, detect the control information in the one or more control channel elements based on the mapping, and communicate with the base station based on the detected control information.
- the I/O controller 915 may manage input and output signals for the device 905.
- the I/O controller 915 may also manage peripherals not integrated into the device 905.
- the I/O controller 915 may represent a physical connection or port to an external peripheral.
- the I/O controller 915 may utilize an operating system such as iOS , ANDROID , MS-DOS , MS-WINDOWS , OS/2 , UNIX , LINUX , or another known operating system.
- the I/O controller 915 may represent or interact with a modem, a keyboard, a mouse, a touchscreen, or a similar device.
- the I/O controller 915 may be implemented as part of a processor.
- a user may interact with the device 905 via the I/O controller 915 or via hardware components controlled by the I/O controller 915.
- the transceiver 920 may communicate bi-directionally, via one or more antennas, wired, or wireless links as described above.
- the transceiver 920 may represent a wireless transceiver and may communicate bi-directionally with another wireless transceiver.
- the transceiver 920 may also include a modem to modulate the packets and provide the modulated packets to the antennas for transmission, and to demodulate packets received from the antennas.
- the wireless device may include a single antenna 925. However, in some cases the device may have more than one antenna 925, which may be capable of concurrently transmitting or receiving multiple wireless transmissions.
- the memory 930 may include random-access memory (RAM) and read-only memory (ROM) .
- the memory 930 may store computer-readable, computer-executable code 935 including instructions that, when executed, cause the processor to perform various functions described herein.
- the memory 930 may contain, among other things, a basic input/output system (BIOS) which may control basic hardware or software operation such as the interaction with peripheral components or devices.
- BIOS basic input/output system
- the processor 940 may include an intelligent hardware device (e.g., a general-purpose processor, a DSP, a central processing unit (CPU) , a microcontroller, an ASIC, an FPGA, a programmable logic device, a discrete gate or transistor logic component, a discrete hardware component, or any combination thereof) .
- the processor 940 may be configured to operate a memory array using a memory controller.
- a memory controller may be integrated into the processor 940.
- the processor 940 may be configured to execute computer-readable instructions stored in a memory (e.g., the memory 930) to cause the device 905 to perform various functions (e.g., functions or tasks supporting control resource interleaving for 6 GHz band communications) .
- the processor 940 of the device 905 may reduce power consumption and increase communications efficiency based on determining the CORESET mapping and detecting control information.
- the processor 940 of the device 905 may reconfigure parameters for detecting and acting on the control information.
- the processor 940 of the device 905 may turn on one or more processing units for decoding the control information, increase a processing clock, or a similar mechanism within the device 905.
- the processor 940 may be ready to respond more efficiently through the reduction of a ramp up in processing power.
- the improvements in power saving and control information reception efficiency may further increase battery life at the device 905.
- the code 935 may include instructions to implement aspects of the present disclosure, including instructions to support wireless communications.
- the code 935 may be stored in a non-transitory computer-readable medium such as system memory or other type of memory. In some cases, the code 935 may not be directly executable by the processor 940 but may cause a computer (e.g., when compiled and executed) to perform functions described herein.
- FIG. 10 shows a block diagram 1000 of a device 1005 that supports control resource interleaving for 6 GHz band communications in accordance with aspects of the present disclosure.
- the device 1005 may be an example of aspects of a base station 105 as described herein.
- the device 1005 may include a receiver 1010, a communications manager 1015, and a transmitter 1020.
- the device 1005 may also include a processor. Each of these components may be in communication with one another (e.g., via one or more buses) .
- the receiver 1010 may receive information such as packets, user data, or control information associated with various information channels (e.g., control channels, data channels, and information related to control resource interleaving for 6 GHz band communications, etc. ) . Information may be passed on to other components of the device 1005.
- the receiver 1010 may be an example of aspects of the transceiver 1320 described with reference to FIG. 13.
- the receiver 1010 may utilize a single antenna or a set of antennas.
- the communications manager 1015 may map one or more control channel elements to a set of resource element group bundles of a control resource set, the mapping based on a row parameter and a skipping parameter associated with the set of resource element group bundles, transmit control information for a UE in the one or more control channel elements based on the mapping, and communicate with the UE based on the transmitted control information.
- the communications manager 1015 as described herein may be implemented to realize one or more potential advantages.
- One implementation may allow the device 1005 to save power by communicating with a UE 115 (as shown in FIG. 1) more efficiently.
- the device 1005 may improve reliability in communications with a UE 115, as the device 1005 may be able to increase a transmission power for transmitting control information to the UE 115 based on the CORESET mapping.
- the communications manager 1015 may be an example of aspects of the communications manager 1310 described herein.
- the communications manager 1015 may be implemented in hardware, code (e.g., software or firmware) executed by a processor, or any combination thereof. If implemented in code executed by a processor, the functions of the communications manager 1015, or its sub-components may be executed by a general-purpose processor, a DSP, an ASIC, an FPGA or other programmable logic device, discrete gate or transistor logic, discrete hardware components, or any combination thereof designed to perform the functions described in the present disclosure.
- the communications manager 1015 may be physically located at various positions, including being distributed such that portions of functions are implemented at different physical locations by one or more physical components.
- the communications manager 1015, or its sub-components may be a separate and distinct component in accordance with various aspects of the present disclosure.
- the communications manager 1015, or its sub-components may be combined with one or more other hardware components, including but not limited to an I/O component, a transceiver, a network server, another computing device, one or more other components described in the present disclosure, or a combination thereof in accordance with various aspects of the present disclosure.
- the transmitter 1020 may transmit signals generated by other components of the device 1005.
- the transmitter 1020 may be collocated with a receiver 1010 in a transceiver module.
- the transmitter 1020 may be an example of aspects of the transceiver 1320 described with reference to FIG. 13.
- the transmitter 1020 may utilize a single antenna or a set of antennas.
- FIG. 11 shows a block diagram 1100 of a device 1105 that supports control resource interleaving for 6 GHz band communications in accordance with aspects of the present disclosure.
- the device 1105 may be an example of aspects of a device 1005, or a base station 105 as described herein.
- the device 1105 may include a receiver 1110, a communications manager 1115, and a transmitter 1135.
- the device 1105 may also include a processor. Each of these components may be in communication with one another (e.g., via one or more buses) .
- the receiver 1110 may receive information such as packets, user data, or control information associated with various information channels (e.g., control channels, data channels, and information related to control resource interleaving for 6 GHz band communications, etc. ) . Information may be passed on to other components of the device 1105.
- the receiver 1110 may be an example of aspects of the transceiver 1320 described with reference to FIG. 13.
- the receiver 1110 may utilize a single antenna or a set of antennas.
- the communications manager 1115 may be an example of aspects of the communications manager 1015 as described herein.
- the communications manager 1115 may include a mapping manager 1120, a control information manager 1125, and a data manager 1130.
- the communications manager 1115 may be an example of aspects of the communications manager 1310 described herein.
- the mapping manager 1120 may map one or more control channel elements to a set of resource element group bundles of a control resource set, the mapping based on a row parameter and a skipping parameter associated with the set of resource element group bundles.
- the control information manager 1125 may transmit control information for a UE in the one or more control channel elements based on the mapping.
- the data manager 1130 may communicate with the UE based on the transmitted control information.
- the transmitter 1135 may transmit signals generated by other components of the device 1105.
- the transmitter 1135 may be collocated with a receiver 1110 in a transceiver module.
- the transmitter 1135 may be an example of aspects of the transceiver 1320 described with reference to FIG. 13.
- the transmitter 1135 may utilize a single antenna or a set of antennas.
- FIG. 12 shows a block diagram 1200 of a communications manager 1205 that supports control resource interleaving for 6 GHz band communications in accordance with aspects of the present disclosure.
- the communications manager 1205 may be an example of aspects of a communications manager 1015, a communications manager 1115, or a communications manager 1310 described herein.
- the communications manager 1205 may include a mapping manager 1210, a control information manager 1215, a data manager 1220, a RRC message manager 1225, and a CORESET configuration manager 1230. Each of these modules may communicate, directly or indirectly, with one another (e.g., via one or more buses) .
- the mapping manager 1210 may map one or more control channel elements to a set of resource element group bundles of a control resource set, the mapping based on a row parameter and a skipping parameter associated with the set of resource element group bundles. In some examples, the mapping manager 1210 may interleave resource element group bundles of the set of resource element group bundles based on the skipping parameter and the row parameter, where each control channel element of the set of control channel elements includes one or more resource element group bundles based on the interleaving.
- the mapping manager 1210 may determine the row parameter based on the configuration associated with the control resource set. In some examples, the mapping manager 1210 may determine the skipping parameter based on the sub-carrier spacing.
- the mapping is based on a first block interleaver associated with the set of resource element group bundles, the first block interleaver including a first quantity of rows. In some cases, the first quantity of rows in the first block interleaver is determined based on the row parameter. In some cases, the mapping is further based on a second block interleaver associated with the set of resource element group bundles, the second block interleaver including a second quantity of columns. In some cases, the second quantity of columns in the second block interleaver is determined based on the skipping parameter.
- the control information manager 1215 may transmit control information for a UE in the one or more control channel elements based on the mapping. In some examples, the control information manager 1215 may determine an aggregation level associated with the control information, where transmitting the control information in the one or more control channel elements is further based on determining the aggregation level. In some cases, the control information is transmitted in a physical downlink control channel transmission.
- the data manager 1220 may communicate with the UE based on the transmitted control information.
- the RRC message manager 1225 may transmit, to the UE, a RRC configuration message indicating the row parameter and the skipping parameter.
- the CORESET configuration manager 1230 may determine a configuration associated with the control resource set, the configuration including a quantity of OFDM symbols in a time domain and a sub-carrier spacing in a frequency domain, where the mapping is further based on the configuration. In some examples, the CORESET configuration manager 1230 may determine a bundle size associated with the set of resource element group bundles based on the quantity of OFDM symbols. In some cases, each resource element group bundle of the set of resource element group bundles includes one or more resource blocks of the control resource set. In some cases, each resource element group bundle of the set of resource element group bundles is indexed sequentially in a time domain and in a frequency domain.
- FIG. 13 shows a diagram of a system 1300 including a device 1305 that supports control resource interleaving for 6 GHz band communications in accordance with aspects of the present disclosure.
- the device 1305 may be an example of or include the components of device 1005, device 1105, or a base station 105 as described herein.
- the device 1305 may include components for bi-directional voice and data communications including components for transmitting and receiving communications, including a communications manager 1310, a network communications manager 1315, a transceiver 1320, an antenna 1325, memory 1330, a processor 1340, and an inter-station communications manager 1345. These components may be in electronic communication via one or more buses (e.g., bus 1350) .
- buses e.g., bus 1350
- the communications manager 1310 may map one or more control channel elements to a set of resource element group bundles of a control resource set, the mapping based on a row parameter and a skipping parameter associated with the set of resource element group bundles, transmit control information for a UE in the one or more control channel elements based on the mapping, and communicate with the UE based on the transmitted control information.
- the network communications manager 1315 may manage communications with the core network (e.g., via one or more wired backhaul links) .
- the network communications manager 1315 may manage the transfer of data communications for client devices, such as one or more UEs 115.
- the transceiver 1320 may communicate bi-directionally, via one or more antennas, wired, or wireless links as described above.
- the transceiver 1320 may represent a wireless transceiver and may communicate bi-directionally with another wireless transceiver.
- the transceiver 1320 may also include a modem to modulate the packets and provide the modulated packets to the antennas for transmission, and to demodulate packets received from the antennas.
- the wireless device may include a single antenna 1325. However, in some cases the device may have more than one antenna 1325, which may be capable of concurrently transmitting or receiving multiple wireless transmissions.
- the memory 1330 may include RAM, ROM, or a combination thereof.
- the memory 1330 may store computer-readable code 1335 including instructions that, when executed by a processor (e.g., the processor 1340) cause the device to perform various functions described herein.
- a processor e.g., the processor 1340
- the memory 1330 may contain, among other things, a BIOS which may control basic hardware or software operation such as the interaction with peripheral components or devices.
- the processor 1340 may include an intelligent hardware device (e.g., a general-purpose processor, a DSP, a CPU, a microcontroller, an ASIC, an FPGA, a programmable logic device, a discrete gate or transistor logic component, a discrete hardware component, or any combination thereof) .
- the processor 1340 may be configured to operate a memory array using a memory controller.
- a memory controller may be integrated into processor 1340.
- the processor 1340 may be configured to execute computer-readable instructions stored in a memory (e.g., the memory 1330) to cause the device 1305 to perform various functions (e.g., functions or tasks supporting control resource interleaving for 6 GHz band communications) .
- the inter-station communications manager 1345 may manage communications with other base station 105, and may include a controller or scheduler for controlling communications with UEs 115 in cooperation with other base stations 105. For example, the inter-station communications manager 1345 may coordinate scheduling for transmissions to UEs 115 for various interference mitigation techniques such as beamforming or joint transmission. In some examples, the inter-station communications manager 1345 may provide an X2 interface within an LTE/LTE-Awireless communication network technology to provide communication between base stations 105.
- the code 1335 may include instructions to implement aspects of the present disclosure, including instructions to support wireless communications.
- the code 1335 may be stored in a non-transitory computer-readable medium such as system memory or other type of memory. In some cases, the code 1335 may not be directly executable by the processor 1340 but may cause a computer (e.g., when compiled and executed) to perform functions described herein.
- FIG. 14 shows a flowchart illustrating a method 1400 that supports control resource interleaving for 6 GHz band communications in accordance with aspects of the present disclosure.
- the operations of method 1400 may be implemented by a UE 115 or its components as described herein.
- the operations of method 1400 may be performed by a communications manager as described with reference to FIGs. 6 through 9.
- a UE may execute a set of instructions to control the functional elements of the UE to perform the functions described below. Additionally or alternatively, a UE may perform aspects of the functions described below using special-purpose hardware.
- the UE may monitor a control resource set for control information from a base station.
- the operations of 1405 may be performed according to the methods described herein. In some examples, aspects of the operations of 1405 may be performed by a CORESET monitoring manager as described with reference to FIGs. 6 through 9.
- the UE may determine a mapping between one or more control channel elements and a set of resource element group bundles of the control resource set, the mapping based on a row parameter and a skipping parameter associated with the set of resource element group bundles.
- the operations of 1410 may be performed according to the methods described herein. In some examples, aspects of the operations of 1410 may be performed by a CORESET configuration component as described with reference to FIGs. 6 through 9.
- the UE may detect the control information in the one or more control channel elements based on the mapping.
- the operations of 1415 may be performed according to the methods described herein. In some examples, aspects of the operations of 1415 may be performed by a control information detection component as described with reference to FIGs. 6 through 9.
- the UE may communicate with the base station based on the detected control information.
- the operations of 1420 may be performed according to the methods described herein. In some examples, aspects of the operations of 1420 may be performed by a communication component as described with reference to FIGs. 6 through 9.
- FIG. 15 shows a flowchart illustrating a method 1500 that supports control resource interleaving for 6 GHz band communications in accordance with aspects of the present disclosure.
- the operations of method 1500 may be implemented by a UE 115 or its components as described herein.
- the operations of method 1500 may be performed by a communications manager as described with reference to FIGs. 6 through 9.
- a UE may execute a set of instructions to control the functional elements of the UE to perform the functions described below. Additionally or alternatively, a UE may perform aspects of the functions described below using special-purpose hardware.
- the UE may receive a RRC configuration message indicating a row parameter and a skipping parameter.
- the operations of 1505 may be performed according to the methods described herein. In some examples, aspects of the operations of 1505 may be performed by a CORESET configuration component as described with reference to FIGs. 6 through 9.
- the UE may monitor a control resource set for control information from a base station.
- the operations of 1510 may be performed according to the methods described herein. In some examples, aspects of the operations of 1510 may be performed by a CORESET monitoring manager as described with reference to FIGs. 6 through 9.
- the UE may determine a mapping between one or more control channel elements and a set of resource element group bundles of the control resource set based on receiving the RRC configuration message, the mapping based on the row parameter and the skipping parameter associated with the set of resource element group bundles.
- the operations of 1515 may be performed according to the methods described herein. In some examples, aspects of the operations of 1515 may be performed by a CORESET configuration component as described with reference to FIGs. 6 through 9.
- the UE may detect the control information in the one or more control channel elements based on the mapping.
- the operations of 1520 may be performed according to the methods described herein. In some examples, aspects of the operations of 1520 may be performed by a control information detection component as described with reference to FIGs. 6 through 9.
- the UE may communicate with the base station based on the detected control information.
- the operations of 1525 may be performed according to the methods described herein. In some examples, aspects of the operations of 1525 may be performed by a communication component as described with reference to FIGs. 6 through 9.
- FIG. 16 shows a flowchart illustrating a method 1600 that supports control resource interleaving for 6 GHz band communications in accordance with aspects of the present disclosure.
- the operations of method 1600 may be implemented by a UE 115 or its components as described herein.
- the operations of method 1600 may be performed by a communications manager as described with reference to FIGs. 6 through 9.
- a UE may execute a set of instructions to control the functional elements of the UE to perform the functions described below. Additionally or alternatively, a UE may perform aspects of the functions described below using special-purpose hardware.
- the UE may monitor a control resource set for control information from a base station.
- the operations of 1605 may be performed according to the methods described herein. In some examples, aspects of the operations of 1605 may be performed by a CORESET monitoring manager as described with reference to FIGs. 6 through 9.
- the UE may determine a configuration associated with the control resource set, the configuration including a quantity of OFDM symbols in a time domain and a sub-carrier spacing in a frequency domain.
- the operations of 1610 may be performed according to the methods described herein. In some examples, aspects of the operations of 1610 may be performed by a CORESET configuration component as described with reference to FIGs. 6 through 9.
- the UE may determine a mapping between one or more control channel elements and a set of resource element group bundles of the control resource set based on the configuration, the mapping based on a row parameter and a skipping parameter associated with the set of resource element group bundles.
- the operations of 1615 may be performed according to the methods described herein. In some examples, aspects of the operations of 1615 may be performed by a CORESET configuration component as described with reference to FIGs. 6 through 9.
- the UE may detect the control information in the one or more control channel elements based on the mapping.
- the operations of 1620 may be performed according to the methods described herein. In some examples, aspects of the operations of 1620 may be performed by a control information detection component as described with reference to FIGs. 6 through 9.
- the UE may communicate with the base station based on the detected control information.
- the operations of 1625 may be performed according to the methods described herein. In some examples, aspects of the operations of 1625 may be performed by a communication component as described with reference to FIGs. 6 through 9.
- FIG. 17 shows a flowchart illustrating a method 1700 that supports control resource interleaving for 6 GHz band communications in accordance with aspects of the present disclosure.
- the operations of method 1700 may be implemented by a base station 105 or its components as described herein.
- the operations of method 1700 may be performed by a communications manager as described with reference to FIGs. 10 through 13.
- a base station may execute a set of instructions to control the functional elements of the base station to perform the functions described below. Additionally or alternatively, a base station may perform aspects of the functions described below using special-purpose hardware.
- the base station may map one or more control channel elements to a set of resource element group bundles of a control resource set, the mapping based on a row parameter and a skipping parameter associated with the set of resource element group bundles.
- the operations of 1705 may be performed according to the methods described herein. In some examples, aspects of the operations of 1705 may be performed by a mapping manager as described with reference to FIGs. 10 through 13.
- the base station may transmit control information for a UE in the one or more control channel elements based on the mapping.
- the operations of 1710 may be performed according to the methods described herein. In some examples, aspects of the operations of 1710 may be performed by a control information manager as described with reference to FIGs. 10 through 13.
- the base station may communicate with the UE based on the transmitted control information.
- the operations of 1715 may be performed according to the methods described herein. In some examples, aspects of the operations of 1715 may be performed by a data manager as described with reference to FIGs. 10 through 13.
- FIG. 18 shows a flowchart illustrating a method 1800 that supports control resource interleaving for 6 GHz band communications in accordance with aspects of the present disclosure.
- the operations of method 1800 may be implemented by a base station 105 or its components as described herein.
- the operations of method 1800 may be performed by a communications manager as described with reference to FIGs. 10 through 13.
- a base station may execute a set of instructions to control the functional elements of the base station to perform the functions described below. Additionally or alternatively, a base station may perform aspects of the functions described below using special-purpose hardware.
- the base station may map one or more control channel elements to a set of resource element group bundles of a control resource set, the mapping based on a row parameter and a skipping parameter associated with the set of resource element group bundles.
- the operations of 1805 may be performed according to the methods described herein. In some examples, aspects of the operations of 1805 may be performed by a mapping manager as described with reference to FIGs. 10 through 13.
- the base station may transmit, to a UE, a RRC configuration message indicating the row parameter and the skipping parameter.
- the operations of 1810 may be performed according to the methods described herein. In some examples, aspects of the operations of 1810 may be performed by a RRC message manager as described with reference to FIGs. 10 through 13.
- the base station may transmit control information for the UE in the one or more control channel elements based on the mapping.
- the operations of 1815 may be performed according to the methods described herein. In some examples, aspects of the operations of 1815 may be performed by a control information manager as described with reference to FIGs. 10 through 13.
- the base station may communicate with the UE based on the transmitted control information.
- the operations of 1820 may be performed according to the methods described herein. In some examples, aspects of the operations of 1820 may be performed by a data manager as described with reference to FIGs. 10 through 13.
- FIG. 19 shows a flowchart illustrating a method 1900 that supports control resource interleaving for 6 GHz band communications in accordance with aspects of the present disclosure.
- the operations of method 1900 may be implemented by a base station 105 or its components as described herein.
- the operations of method 1900 may be performed by a communications manager as described with reference to FIGs. 10 through 13.
- a base station may execute a set of instructions to control the functional elements of the base station to perform the functions described below. Additionally or alternatively, a base station may perform aspects of the functions described below using special-purpose hardware.
- the base station may map one or more control channel elements to a set of resource element group bundles of a control resource set, the mapping based on a row parameter and a skipping parameter associated with the set of resource element group bundles.
- the operations of 1905 may be performed according to the methods described herein. In some examples, aspects of the operations of 1905 may be performed by a mapping manager as described with reference to FIGs. 10 through 13.
- the base station may determine a configuration associated with the control resource set, the configuration including a quantity of OFDM symbols in a time domain and a sub-carrier spacing in a frequency domain, where the mapping is further based on the configuration.
- the operations of 1910 may be performed according to the methods described herein. In some examples, aspects of the operations of 1910 may be performed by a CORESET configuration manager as described with reference to FIGs. 10 through 13.
- the base station may transmit control information for a UE in the one or more control channel elements based on the mapping.
- the operations of 1915 may be performed according to the methods described herein. In some examples, aspects of the operations of 1915 may be performed by a control information manager as described with reference to FIGs. 10 through 13.
- the base station may communicate with the UE based on the transmitted control information.
- the operations of 1920 may be performed according to the methods described herein. In some examples, aspects of the operations of 1920 may be performed by a data manager as described with reference to FIGs. 10 through 13.
- LTE, LTE-A, LTE-A Pro, or NR may be described for purposes of example, and LTE, LTE-A, LTE-A Pro, or NR terminology may be used in much of the description, the techniques described herein are applicable beyond LTE, LTE-A, LTE-A Pro, or NR networks.
- the described techniques may be applicable to various other wireless communications systems such as Ultra Mobile Broadband (UMB) , Institute of Electrical and Electronics Engineers (IEEE) 802.11 (Wi-Fi) , IEEE 802.16 (WiMAX) , IEEE 802.20, Flash-OFDM, as well as other systems and radio technologies not explicitly mentioned herein.
- UMB Ultra Mobile Broadband
- IEEE Institute of Electrical and Electronics Engineers
- Wi-Fi Institute of Electrical and Electronics Engineers
- WiMAX IEEE 802.16
- IEEE 802.20 Flash-OFDM
- Information and signals described herein may be represented using any of a variety of different technologies and techniques.
- data, instructions, commands, information, signals, bits, symbols, and chips that may be referenced throughout the description may be represented by voltages, currents, electromagnetic waves, magnetic fields or particles, optical fields or particles, or any combination thereof.
- a general-purpose processor may be a microprocessor, but in the alternative, the processor may be any processor, controller, microcontroller, or state machine.
- a processor may also be implemented as a combination of computing devices (e.g., a combination of a DSP and a microprocessor, multiple microprocessors, one or more microprocessors in conjunction with a DSP core, or any other such configuration) .
- the functions described herein may be implemented in hardware, software executed by a processor, firmware, or any combination thereof. If implemented in software executed by a processor, the functions may be stored on or transmitted over as one or more instructions or code on a computer-readable medium. Other examples and implementations are within the scope of the disclosure and appended claims. For example, due to the nature of software, functions described herein may be implemented using software executed by a processor, hardware, firmware, hardwiring, or combinations of any of these. Features implementing functions may also be physically located at various positions, including being distributed such that portions of functions are implemented at different physical locations.
- Computer-readable media includes both non-transitory computer storage media and communication media including any medium that facilitates transfer of a computer program from one place to another.
- a non-transitory storage medium may be any available medium that may be accessed by a general-purpose or special purpose computer.
- non-transitory computer-readable media may include RAM, ROM, electrically erasable programmable ROM (EEPROM) , flash memory, compact disk (CD) ROM or other optical disk storage, magnetic disk storage or other magnetic storage devices, or any other non-transitory medium that may be used to carry or store desired program code means in the form of instructions or data structures and that may be accessed by a general-purpose or special-purpose computer, or a general-purpose or special-purpose processor.
- any connection is properly termed a computer-readable medium.
- the software is transmitted from a website, server, or other remote source using a coaxial cable, fiber optic cable, twisted pair, digital subscriber line (DSL) , or wireless technologies such as infrared, radio, and microwave
- the coaxial cable, fiber optic cable, twisted pair, DSL, or wireless technologies such as infrared, radio, and microwave are included in the definition of computer-readable medium.
- Disk and disc include CD, laser disc, optical disc, digital versatile disc (DVD) , floppy disk and Blu-ray disc where disks usually reproduce data magnetically, while discs reproduce data optically with lasers. Combinations of the above are also included within the scope of computer-readable media.
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Abstract
L'invention concerne des procédés, des systèmes et des dispositifs de communication sans fil. Une station de base peut transmettre des informations de commande à un équipement utilisateur (UE) dans une bande de spectre radiofréquence à puissance limitée. La station de base peut mapper des éléments de canal de commande (CCE) pour transmettre les informations de commande à des groupages de groupes d'éléments de ressources (REG) d'un ensemble de ressources de commande (CORESET) sur la base d'un modèle d'entrelaceur de blocs qui peut permettre à une station de base d'augmenter une largeur de bande de la transmission d'informations de commande à un UE. Sur la base de l'entrelacement des groupages de REG, la station de base peut mapper des CCE sur des groupages de REG qui couvrent une plus grande largeur de bande du CORESET, ce qui peut augmenter une puissance de transmission totale de la transmission d'informations de commande à l'UE. Entre autres avantages, le mappage de CORESET décrit peut améliorer les communications entre l'UE et la station de base.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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PCT/CN2020/083936 WO2021203356A1 (fr) | 2020-04-09 | 2020-04-09 | Entrelacement de ressources de commande pour des communications en bande de 6 ghz |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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PCT/CN2020/083936 WO2021203356A1 (fr) | 2020-04-09 | 2020-04-09 | Entrelacement de ressources de commande pour des communications en bande de 6 ghz |
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Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
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WO2019024052A1 (fr) * | 2017-08-03 | 2019-02-07 | Nec Corporation | Procédés et appareils de mappage de ressources de commande |
CN109392011A (zh) * | 2017-08-11 | 2019-02-26 | 华为技术有限公司 | 一种信息的发送方法及设备 |
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WO2019024052A1 (fr) * | 2017-08-03 | 2019-02-07 | Nec Corporation | Procédés et appareils de mappage de ressources de commande |
CN109392011A (zh) * | 2017-08-11 | 2019-02-26 | 华为技术有限公司 | 一种信息的发送方法及设备 |
Non-Patent Citations (2)
Title |
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HUAWEI ET AL.: "CCE-to-REG Mapping", 3GPP TSG RAN WG1 MEETING #89 R1-1706946, 19 May 2017 (2017-05-19), XP051263408 * |
HUAWEI ET AL.: "On PDCCH-CCE-REG mapping and REG bundle", 3GPP TSG RAN WG1 MEETING #90 R1-1712181, 25 August 2017 (2017-08-25), XP051314998 * |
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