Energy detection threshold for sensing bandwidth adjustment

Abstract

The present disclosure relates to methods and devices for wireless communication, including apparatuses such as UEs and / or base stations. In one aspect, an apparatus can determine an energy detection threshold for a reference bandwidth, the energy detection threshold being based on at least one of a transmit power or a power class. The apparatus can also measure an interference level of at least one signal. Additionally, the apparatus can adjust the energy detection threshold for the reference bandwidth based on a sensing bandwidth. The apparatus can also determine whether a transmission medium is available based on at least one of the adjusted energy detection threshold or the measured interference level of the at least one signal.

Description

[0001] Cross-references to related applications

[0002] This application claims priority to the following applications: U.S. Provisional Application Serial No. 63 / 064,375, filed August 11, 2020, entitled “METHODS AND APPARATUS FOR SENSING BANDWIDTH ADJUSTED ENERGY DETECTION THRESHOLDS”; U.S. Provisional Application Serial No. 63 / 064,352, filed August 11, 2020, entitled “THRESHOLD ADAPTION FOR MISMATCH BETWEEN SENSING AND TRANSMISSION BANDWIDTHS”; and U.S. Patent Application No. 17 / 395,415, filed August 5, 2021, entitled “SENSING BANDWIDTH ADJUSTED ENERGY DETECTION THRESHOLDS”, each of which is expressly and entirely incorporated herein by reference. Technical Field

[0003] In general, this disclosure relates to communication systems, and more specifically, to beam transmission in wireless communication systems. Background Technology

[0004] Wireless communication systems are widely deployed to provide a variety of telecommunications services, such as telephone, video, data, messaging, and broadcasting. Typical wireless communication systems employ multiple access technologies that enable communication with multiple users by sharing available system resources. Examples of such multiple access technologies include Code Division Multiple Access (CDMA) systems, Time Division Multiple Access (TDMA) systems, Frequency Division Multiple Access (FDMA) systems, Orthogonal Frequency Division Multiple Access (OFDMA) systems, Single Carrier Frequency Division Multiple Access (SC-FDMA) systems, and Time Division Synchronous Code Division Multiple Access (TD-SCDMA) systems.

[0005] These multiple access technologies have been adopted in various telecommunications standards to provide a common protocol enabling different wireless devices to communicate at the city, country, regional, and even global levels. An example telecommunications standard is 5G New Radio (NR). 5G NR is part of the Continuous Mobile Broadband Evolution (CMB) initiative released by the 3rd Generation Partnership Project (3GPP) to meet new requirements associated with latency, reliability, security, scalability (e.g., with the Internet of Things (IoT)), and others. 5G NR includes services associated with enhanced (pc) mobile broadband (eMBB), massive machine-type communications (mMTC), and ultra-reliable low-latency communications (URLLC). Some aspects of 5G NR can be based on the 4G Long Term Evolution (LTE) standard. There is a need for further improvements to 5G NR technology. These improvements can also be applied to other multiple access technologies and telecommunications standards that adopt them. Summary of the Invention

[0006] The following is a brief overview of one or more aspects to provide a basic understanding of such aspects. This overview is not an exhaustive summary of all anticipated aspects, nor is it intended to identify key or important elements of all aspects, nor to describe the scope of any or all aspects. Its sole purpose is to present some concepts of one or more aspects in a simplified form as a prelude to the more detailed descriptions that follow.

[0007] In one aspect of this disclosure, a method, a computer-readable medium, and an apparatus are provided. The apparatus may be a user equipment (UE). The apparatus may determine an energy detection threshold for a reference bandwidth, the energy detection threshold being based on at least one of transmit power or power level. The apparatus may also measure the interference level of at least one signal. The apparatus may further adjust the energy detection threshold of the reference bandwidth based on a sensed bandwidth. Additionally, the apparatus may compare the adjusted energy detection threshold with the measured interference level of at least one signal. The apparatus may also determine whether a transmission medium is available based on at least one of the adjusted energy detection threshold or the measured interference level of at least one signal. Furthermore, when the measured interference level of at least one signal is less than the adjusted energy detection threshold, the apparatus may transmit data via the transmission medium. The apparatus may also avoid transmitting data via the transmission medium when the measured interference level of at least one signal is greater than or equal to the adjusted energy detection threshold.

[0008] In another aspect of this disclosure, methods, computer-readable media, and apparatus are provided. The apparatus may be a base station. The apparatus can determine an energy detection threshold for a reference bandwidth, the energy detection threshold being based on at least one of transmit power or power level. The apparatus can also measure the interference level of at least one signal. The apparatus can also adjust the energy detection threshold of the reference bandwidth based on a sensed bandwidth. Additionally, the apparatus can compare the adjusted energy detection threshold with the measured interference level of at least one signal. The apparatus can also determine whether a transmission medium is available based on at least one of the adjusted energy detection threshold or the measured interference level of at least one signal. Furthermore, the apparatus can transmit data via the transmission medium when the measured interference level of at least one signal is less than the adjusted energy detection threshold. The apparatus can also avoid transmitting data via the transmission medium when the measured interference level of at least one signal is greater than or equal to the adjusted energy detection threshold.

[0009] To achieve the foregoing and related objectives, one or more aspects include the features fully described below and specifically pointed out in the claims. Certain illustrative features of one or more aspects are set forth in detail in the following description and drawings. However, these features indicate only a few of the various methods in which the basic principles of these aspects may be employed, and this specification is intended to include all such aspects and their equivalents. Attached Figure Description

[0010] Figure 1 This is a diagram illustrating an example of a wireless communication system and access network.

[0011] Figure 2A This is a diagram illustrating an example of the first frame of various aspects according to this disclosure.

[0012] Figure 2B This is a diagram illustrating an example of a DL channel within a subframe according to various aspects of this disclosure.

[0013] Figure 2C This is a diagram illustrating an example of the second frame according to various aspects of this disclosure.

[0014] Figure 2D This is a diagram illustrating an example of a UL channel within a subframe according to various aspects of this disclosure.

[0015] Figure 3 This is a diagram illustrating examples of base stations and user equipment (UEs) in an access network.

[0016] Figure 4 This is a diagram illustrating an example competition determination process based on one or more techniques according to this disclosure.

[0017] Figure 5AThis is a diagram illustrating an example transmission of a base station based on one or more technologies according to this disclosure.

[0018] Figure 5B This is a diagram illustrating an example transmission of a UE using one or more technologies according to this disclosure.

[0019] Figure 6 This is a diagram illustrating an example competition determination process based on one or more techniques according to this disclosure.

[0020] Figure 7 This is a diagram illustrating an example competition determination process based on one or more techniques according to this disclosure.

[0021] Figures 8A-8E It is a graph showing a reference threshold compared to the sensing bandwidth of one or more techniques according to this disclosure.

[0022] Figure 9 This is a diagram illustrating example communication between a UE and a base station using one or more technologies according to this disclosure.

[0023] Figure 10 This is a flowchart of a wireless communication method.

[0024] Figure 11 This is a flowchart of a wireless communication method.

[0025] Figure 12 This is a flowchart of a wireless communication method.

[0026] Figure 13 This is a flowchart of a wireless communication method.

[0027] Figure 14 This is a diagram illustrating an example of how the hardware implementation of the example device is used.

[0028] Figure 15 This is a diagram illustrating an example of how the hardware implementation of the example device is used.

[0029] Figure 16A-16D An example of the adjusted sensing threshold is shown.

[0030] Figure 17 This is a call flow diagram of signaling between a first wireless device and a second wireless device in accordance with certain aspects of this disclosure.

[0031] Figure 18 This is a flowchart of a wireless communication method.

[0032] Figure 19 This is a diagram illustrating an example of how the hardware implementation of the example device is used. Detailed Implementation

[0033] The specific embodiments described below with reference to the accompanying drawings are intended to describe various configurations and are not intended to represent the only configurations in which the concepts described herein can be practiced. Specific details are included in the specific embodiments for the purpose of providing a thorough understanding of the various concepts. However, it will be apparent to those skilled in the art that these concepts can be practiced without these specific details. In some instances, well-known structures and components are shown in block diagram form to avoid obscuring these concepts.

[0034] Various apparatuses and methods will now be described with reference to some aspects of telecommunications systems. These apparatuses and methods will be described in the following detailed embodiments and illustrated in the accompanying drawings by various blocks, components, circuits, processes, algorithms, etc. (collectively referred to as “elements”). These elements can be implemented using electronic hardware, computer software, or any combination thereof. Whether such elements are implemented as hardware or software depends on the specific application and the design constraints imposed on the overall system.

[0035] For example, an element, any part of an element, or any combination of elements can be implemented as a "processing system" including one or more processors. Examples of processors include microprocessors, microcontrollers, graphics processing units (GPUs), central processing units (CPUs), application processors, digital signal processors (DSPs), reduced instruction set computing (RISC) processors, system-on-a-chip (SoCs), baseband processors, field-programmable gate arrays (FPGAs), programmable logic devices (PLDs), state machines, gated logic, discrete hardware circuitry, and other suitable hardware configured to perform the various functions described throughout this disclosure. One or more processors in a processing system can execute software. Whether referred to as software, firmware, middleware, microcode, hardware description language, or other terms, software should be broadly interpreted as meaning instructions, instruction sets, code, code segments, program code, programs, subroutines, software components, applications, software applications, software packages, routines, subroutines, objects, executable files, threads of execution, procedures, functions, and so on.

[0036] Therefore, in one or more exemplary embodiments, the described functionality can be implemented in hardware, software, or any combination thereof. When implemented in software, these functionalities can be stored or encoded as one or more instructions or code on a computer-readable medium. A computer-readable medium includes a computer storage medium. The storage medium can be any available medium accessible to a computer. By way of example, and not limitation, such a computer-readable medium can include random access memory (RAM), read-only memory (ROM), electrically erasable programmable ROM (EEPROM), optical disk storage, magnetic disk storage, other magnetic storage devices, combinations of computer-readable media of the foregoing types, or any other medium capable of storing computer-executable code having instructions or data structures accessible to a computer.

[0037] Figure 1 This is a diagram illustrating an example of a wireless communication system and access network 100. The wireless communication system (also referred to as a wireless wide area network (WWAN)) includes a base station 102, a UE 104, an evolved packet core (EPC) 160, and another core network 190 (e.g., a 5G core (5GC)). Base station 102 may include macro cells (high-power cellular base stations) and / or small cells (low-power cellular base stations). Macro cells include base stations. Small cells include femtocells, picocells, and microcells.

[0038] Base station 102 configured for 4G LTE (collectively referred to as Evolved Universal Mobile Telecommunications System (UMTS) Terrestrial Radio Access Network (E-UTRAN)) can interface with EPC 160 via a first backhaul link 132 (e.g., S1 interface). Base station 102 configured for 5G NR (collectively referred to as Next Generation RAN (NG-RAN)) can interact with core network 190 via a second backhaul link 184. Among other functions, base station 102 can perform one or more of the following functions: transmission of user data, radio channel encryption and decryption, integrity protection, header compression, mobility control functions (e.g., handover, dual connectivity), inter-cell interference coordination, connection establishment and release, load balancing, distribution of non-access stratum (NAS) messages, NAS node selection, synchronization, radio access network (RAN) sharing, multimedia broadcast multicast service (MBMS), user and equipment tracking, RAN information management (RIM), paging, location, and transmission of alarm messages. Base station 102 can communicate with each other directly or indirectly (e.g., via EPC 160 or core network 190) via third backhaul link 134 (e.g., X2 interface). First backhaul link 132, second backhaul link 184 and third backhaul link 134 can be wired or wireless.

[0039] Base station 102 can communicate wirelessly with UE 104. Each base station in base station 102 can provide communication coverage for a corresponding geographic coverage area 110. Overlapping geographic coverage areas 110 may exist. For example, small cell 102' may have a coverage area 110' that overlaps with the coverage areas 110 of one or more macro base stations 102. A network that includes both small cells and macro cells can be referred to as a heterogeneous network. The heterogeneous network may also include evolved home node B (eNB) (HeNB), which can provide services to restricted groups referred to as closed subscriber groups (CSG). The communication link 120 between base station 102 and UE 104 may include uplink (UL) (also referred to as reverse link) transmission from UE 104 to base station 102 and / or downlink (DL) (also referred to as forward link) transmission from base station 102 to UE 104. The communication link 120 may use multiple-input multiple-output (MIMO) antenna technologies, including spatial multiplexing, beamforming, and / or transmit diversity. The communication link may be via one or more carriers. Base station 102 / UE 104 may use a spectrum of up to Y MHz (e.g., 5, 10, 15, 20, 100, 400, etc. MHz) bandwidth for each carrier allocated in carrier aggregation for transmission in each direction. The carriers may or may not be adjacent to each other. Carrier allocation may be asymmetric with respect to DL and UL (e.g., more or fewer carriers may be allocated for DL ​​compared to UL). Component carriers may include primary component carriers and one or more secondary component carriers. The primary component carrier may be referred to as the primary cell (PCell), and the secondary component carriers may be referred to as secondary cells (SCells).

[0040] Some UEs 104 can communicate with each other using device-to-device (D2D) communication link 158. D2D communication link 158 can use DL / UL WWAN spectrum. D2D communication link 158 can use one or more sideline channels, such as the Physical Sideline Broadcast Channel (PSBCH), Physical Sideline Discovery Channel (PSDCH), Physical Sideline Shared Channel (PSSCH), and Physical Sideline Control Channel (PSCCH). D2D communication can be performed through various wireless D2D communication systems, such as WiMedia, Bluetooth, ZigBee, Wi-Fi based on the IEEE 802.11 standard, LTE, or NR.

[0041] The wireless communication system may also include a Wi-Fi access point (AP) 150, which communicates with a Wi-Fi station (STA) 152 via a communication link 154 (e.g., in 5 GHz unlicensed spectrum, etc.). When communicating in unlicensed spectrum, STA 152 / AP 150 may perform a free channel assessment (CCA) before communication to determine whether the channel is available.

[0042] Small cell 102' can operate in licensed and / or unlicensed spectrum. When operating in unlicensed spectrum, small cell 102' can employ NR and use the same unlicensed spectrum (e.g., 5 GHz, etc.) used by Wi-Fi AP 150. Small cell 102' employing NR in unlicensed spectrum can improve the coverage and / or increase the capacity of the access network.

[0043] The electromagnetic spectrum is typically subdivided into various categories, bands, channels, etc., based on frequency / wavelength. In 5G NR, two initial operating bands have been designated as frequency range names FR1 (410MHz-7.125GHz) and FR2 (24.25GHz-52.6GHz). The frequencies between FR1 and FR2 are generally referred to as mid-band frequencies. Although a portion of FR1 is greater than 6GHz, FR1 is often referred to as the "below 6GHz" band in various documents and articles (interchangeably). Similar naming issues sometimes arise regarding FR2; although different from the extremely high frequency (EHF) band (30GHz-300GHz) defined as a "millimeter wave" band by the International Telecommunication Union (ITU), FR2 is often referred to as the "millimeter wave" band in various documents and articles (interchangeably).

[0044] In light of the foregoing, unless otherwise explicitly stated, it should be understood that the terms "below 6 GHz," etc. (if used herein), can broadly refer to frequencies less than 6 GHz, frequencies within FR1, or frequencies that may include intermediate frequency bands. Furthermore, unless otherwise explicitly stated, it should be understood that the terms "millimeter wave," etc. (if used herein), can broadly refer to frequencies that include intermediate frequency bands, frequencies within FR2, or frequencies within the EHF band.

[0045] Base station 102 (whether a small cell 102' or a large cell (e.g., a macro base station)) may include and / or may be referred to as an eNB, gNodeB (gNB), or another type of base station. Some base stations (such as gNB 180) may operate in conventional sub-6 GHz spectrum, at millimeter wave frequencies and / or near-millimeter wave frequencies to communicate with UE 104. When gNB 180 operates at millimeter wave or near-millimeter wave frequencies, gNB 180 may be referred to as a millimeter wave base station. Millimeter wave base station 180 may utilize beamforming 182 with UE 104 to compensate for path loss and short range. Both base station 180 and UE 104 may include multiple antennas (e.g., antenna elements, antenna panels, and / or antenna arrays) to facilitate beamforming.

[0046] Base station 180 may transmit beamformed signals to UE 104 in one or more transmit directions 182'. UE 104 may receive beamformed signals from base station 180 in one or more receive directions 182'. UE 104 may also transmit beamformed signals to base station 180 in one or more transmit directions. Base station 180 may receive beamformed signals from UE 104 in one or more receive directions. Base station 180 / UE 104 may perform beam training to determine the optimal receive and transmit directions for each of base station 180 / UE 104. The transmit and receive directions of base station 180 may or may not be the same. The transmit and receive directions of UE 104 may or may not be the same.

[0047] EPC 160 may include Mobility Management Entity (MME) 162, other MMEs 164, Serving Gateway 166, Multimedia Broadcast Multicast Service (MBMS) Gateway 168, Broadcast Multicast Service Center (BM-SC) 170, and Packet Data Network (PDN) Gateway 172. MME 162 can communicate with Home Subscriber Server (HSS) 174. MME 162 is the control node that handles signaling between UE 104 and EPC 160. Typically, MME 162 provides bearer and connection management. All user Internet Protocol (IP) packets are transmitted through Serving Gateway 166, which is itself connected to PDN Gateway 172. PDN Gateway 172 provides UE IP address allocation and other functions. PDN Gateway 172 and BM-SC 170 are connected to IP Service 176. IP Service 176 may include the Internet, intranet, IP Multimedia Subsystem (IMS), and PS streaming services and / or other IP services. The BM-SC 170 provides functionality for MBMS user service provisioning and delivery. It can act as an entry point for content provider MBMS transmissions, authorize and initiate MBMS bearer services within a Public Land Mobile Network (PLMN), and schedule MBMS transmissions. The MBMS gateway 168 can distribute MBMS services to base stations 102 belonging to Multicast-Broadcast Single Frequency Network (MBSFN) areas specific to broadcast services, and is responsible for session management (start / stop) and collecting billing information related to eMBMS.

[0048] The core network 190 may include Access and Mobility Management Functions (AMF) 192, other AMFs 193, Session Management Functions (SMF) 194, and User Plane Functions (UPF) 195. AMF 192 can communicate with Unified Data Management (UDM) 196. AMF 192 is the control node that handles signaling between UE 104 and the core network 190. Typically, AMF 192 provides QoS flow and session management. All user Internet Protocol (IP) packets are transmitted through UPF 195. UPF 195 provides UE IP address allocation and other functions. UPF 195 connects to IP service 197. IP service 197 may include the Internet, intranet, IP Multimedia Subsystem (IMS), Packet Switched (PS) Streaming (PSS) service, and / or other IP services.

[0049] Base stations may include and / or be referred to as gNB, Node B, eNB, access point, base transceiver, radio base station, radio transceiver, transceiver function, Basic Services Set (BSS), Extended Services Set (ESS), Transmitter Receiver Point (TRP), or some other suitable term. Base station 102 provides UE 104 with access to EPC 160 or core network 190. Examples of UE 104 include cellular phones, smartphones, Session Initiation Protocol (SIP) phones, laptops, personal digital assistants (PDAs), satellite radio units, global positioning systems, multimedia devices, video devices, digital audio players (e.g., MP3 players), cameras, game consoles, tablet devices, smart devices, wearable devices, vehicles, electricity meters, air pumps, large or small kitchen appliances, medical devices, implants, sensors / actuators, displays, or any other similar functional devices. Some UEs in UE 104 may be referred to as IoT devices (e.g., parking meters, air pumps, toasters, vehicles, heart monitors, etc.). UE 104 may also be referred to as a station, mobile station, user station, mobile unit, user unit, radio unit, remote unit, mobile device, radio device, wireless communication device, remote device, mobile user station, access terminal, mobile terminal, radio terminal, remote terminal, handheld device, user agent, mobile client, client, or any other suitable term.

[0050] Refer again Figure 1 In some aspects, UE 104 may include a receiving component 198 configured to determine an energy detection threshold for a reference bandwidth, the energy detection threshold being based on at least one of transmit power or power level. The receiving component 198 may also be configured to measure the interference level of at least one signal. The receiving component 198 may also be configured to adjust the energy detection threshold of the reference bandwidth based on the sensed bandwidth. The receiving component 198 may also be configured to compare the adjusted energy detection threshold with the measured interference level of at least one signal. The receiving component 198 may also be configured to determine whether a transmission medium is available based on at least one of the adjusted energy detection threshold or the measured interference level of at least one signal. The receiving component 198 may also be configured to transmit data via the transmission medium when the measured interference level of at least one signal is less than the adjusted energy detection threshold. The receiving component 198 may also be configured to avoid transmitting data via the transmission medium when the measured interference level of at least one signal is greater than or equal to the adjusted energy detection threshold.

[0051] Refer again Figure 1In some aspects, base station 180 may include transmission component 199 configured to determine an energy detection threshold for a reference bandwidth, the energy detection threshold being based on at least one of transmit power or power level. Transmission component 199 may also be configured to measure the interference level of at least one signal. Transmission component 199 may also be configured to adjust the energy detection threshold of the reference bandwidth based on the sensed bandwidth. Transmission component 199 may also be configured to compare the adjusted energy detection threshold with the measured interference level of at least one signal. Transmission component 199 may also be configured to determine whether a transmission medium is available based on at least one of the adjusted energy detection threshold or the measured interference level of at least one signal. Transmission component 199 may also be configured to transmit data via the transmission medium when the measured interference level of at least one signal is less than the adjusted energy detection threshold. Transmission component 199 may also be configured to avoid transmitting data via the transmission medium when the measured interference level of at least one signal is greater than or equal to the adjusted energy detection threshold.

[0052] Although the following description may focus on 5G NR, the concepts described herein can be applied to other similar areas, such as LTE, LTE-A, CDMA, GSM, and other wireless technologies.

[0053] Figure 2A Figure 200 shows an example of the first subframe in a 5G NR frame structure. Figure 2B Figure 230 shows an example of a DL channel in a 5G NR subframe. Figure 2C Figure 250 shows an example of the second subframe in a 5G NR frame structure. Figure 2D Figure 280 illustrates an example of the UL channel in a 5G NR subframe. The 5G NR frame structure can be Frequency Division Duplex (FDD) or Time Division Duplex (TDD). In FDD, for a specific set of subcarriers (carrier system bandwidth), subframes within that set are dedicated to either DL or UL. In TDD, for a specific set of subcarriers (carrier system bandwidth), subframes within that set are dedicated to both DL and UL. Figure 2A , 2CIn the provided example, the 5G NR frame structure is assumed to be TDD, where subframe 4 is configured with slot format 28 (primarily DL), where D is DL, U is UL, and F is used flexibly between DL / UL, and subframe 3 is configured with slot format 1 (all UL). Although subframes 3 and 4 are shown as having slot formats 1 and 28, respectively, any particular subframe can be configured with any of the various available slot formats 0-61. Slot formats 0 and 1 are all DL and UL, respectively. Other slot formats 2-61 include a mixture of DL, UL, and flexible symbols. The UE is configured with a slot format via the received Slot Format Indicator (SFI) (dynamically configured via DL Control Information (DCI) or semi-static / static configured via Radio Resource Control (RRC) signaling). Note that the following description also applies to TDD 5G NR frame structures.

[0054] Other wireless communication technologies may have different frame structures and / or different channels. A frame (10 ms) can be divided into 10 subframes (1 ms) of the same size. Each subframe may include one or more time slots. Subframes may also include micro-time slots, which may include 7, 4, or 2 symbols. Depending on the time slot configuration, each time slot may include 7 or 14 symbols. For time slot configuration 0, each time slot may include 7 symbols, while for time slot configuration 1, each time slot may include 7 symbols. Symbols on the DL can be Cyclic Prefix (CP) OFDM (CP-OFDM) symbols. Symbols on the UL can be CP-OFDM symbols (for high-throughput scenarios) or Discrete Fourier Transform (DFT) Extended OFDM (DFT-s-OFDM) symbols (also known as Single Carrier Frequency Division Multiple Access (SC-FDMA) symbols) (for power-constrained scenarios; limited to single-stream transmission). The number of time slots within a subframe is based on the time slot configuration and the numbering scheme. For slot configuration 0, different digital schemes μ0 to 4 allow 1, 2, 4, 8, and 16 slots per subframe, respectively. For slot configuration 1, different digital schemes 0 to 2 allow 2, 4, and 8 slots per subframe, respectively. Therefore, for slot configuration 0 and digital scheme μ, there are 14 symbols / slots and 2... μ One time slot / subframe. Subcarrier spacing and symbol length / duration depend on the digital scheme. Subcarrier spacing can be equal to 2. μ *15kHz, where μ is the digital scheme from 0 to 4. Thus, digital scheme μ = 0 has a subcarrier spacing of 15kHz, and digital scheme μ = 4 has a subcarrier spacing of 240kHz. The symbol length / duration is inversely related to the subcarrier spacing. Figure 2A-2DExamples are provided for slot configuration 0 with 14 symbols per slot and a digital scheme μ=2 with 4 slots per subframe. The slot duration is 0.25 ms, the subcarrier spacing is 60 kHz, and the symbol duration is approximately 16.67 μs. Within the frame set, one or more different bandwidth portions (BWPs) of frequency division multiplexing can exist (see [link to relevant documentation]). Figure 2B Each BWP can have a specific digital scheme.

[0055] A resource grid can be used to represent the frame structure. Each time slot includes a resource block (RB) with 12 consecutive subcarriers (also known as a physical RB (PRB)). The resource grid is divided into multiple resource elements (REs). The number of bits carried by each RE depends on the modulation scheme.

[0056] like Figure 2A As shown, some of the REs carry reference (pilot) signals (RS) for the UE. RS may include demodulation RS (DM-RS) (indicated as R for a particular configuration, but other DM-RS configurations are possible) and channel state information reference signals (CSI-RS) for channel estimation at the UE. RS may also include beam measurement RS (BRS), beam refinement RS (BRRS), and phase tracking RS (PT-RS).

[0057] Figure 2BExamples of various DL channels in a subframe of a frame are shown. The Physical Downlink Control Channel (PDCCH) carries the DCI in one or more Control Channel Elements (CCEs) (e.g., 1, 2, 4, 8, or 16 CCEs), each CCE comprising six RE Groups (REGs), each REG comprising 12 consecutive REs in the OFDM symbols of an RB. A PDCCH within a BWP can be referred to as a Control Resource Set (CORESET). The UE is configured to monitor PDCCH candidates in a PDCCH search space (e.g., a common search space, a UE-specific search space) during PDCCH monitoring timing on the CORESET, where PDCCH candidates have different DCI formats and different aggregation levels. Additional BWPs can reside at higher and / or lower frequencies across the channel bandwidth. The Primary Synchronization Signal (PSS) can be within symbol 2 of a specific subframe of the frame. UE 104 uses the PSS to determine subframe / symbol timing and physical layer identification. The Secondary Synchronization Signal (SSS) can be within symbol 4 of a specific subframe of the frame. The UE uses the SSS to determine the Physical Layer Cell Identifier Group Number and radio frame timing. Based on the Physical Layer Identifier and the Physical Layer Cell Identifier Group Number, the UE can determine the Physical Cell Identifier (PCI). Based on the PCI, the UE can determine the location of the aforementioned DM-RS. The Physical Broadcast Channel (PBCH) carrying the Master Information Block (MIB) can be logically combined with the PSS and SSS to form a Synchronization Signal (SS) / PBCH block (also known as an SS block (SSB)). The MIB provides the number of RBs in the system bandwidth and the System Frame Number (SFN). The Physical Downlink Shared Channel (PDSCH) carries user data, broadcast system information not transmitted via the PBCH (e.g., System Information Block (SIB)), and paging messages.

[0058] like Figure 2C As shown, some REs in the REs carry DM-RS (indicated as R for a specific configuration, but other DMRS configurations are possible) for channel estimation at the base station. The UE can transmit DM-RS for the Physical Uplink Control Channel (PUCCH) and DM-RS for the Physical Uplink Shared Channel (PUSCH). PUSCH DM-RS can be transmitted in the first one or two symbols preceding the PUSCH. PUCCH DM-RS can be transmitted in different configurations depending on whether a short or long PUCCH is transmitted and the specific PUCCH format used. The UE can transmit a Sounding Reference Signal (SRS). SRS can be transmitted in the last symbol of a subframe. SRS can have a comb structure, and the UE can transmit SRS on one of these comb structures. SRS can be used by the UE for channel quality estimation to implement frequency-dependent scheduling on the UL.

[0059] Figure 2D Examples of various UL channels in a subframe of a frame are shown. The PUCCH can be positioned as indicated in one configuration. The PUCCH carries uplink control information (UCI), such as scheduling requests, channel quality indicators (CQI), precoding matrix indicators (PMI), rank indicators (RI), and hybrid automatic repeat request (HARQ) ACK / NACK feedback. The PUCCH carries data and can also be used to carry buffer status reports (BSR), power headroom reports (PHR), and / or UCI.

[0060] Figure 3 This is a block diagram illustrating communication between base station 310 and UE 350 in the access network. In the DL, IP packets from EPC 160 are provided to controller / processor 375. Controller / processor 375 implements Layer 3 and Layer 2 functions. Layer 3 includes the Radio Resource Control (RRC) layer, and Layer 2 includes the Serving Data Adaptation Protocol (SDAP) layer, Packet Data Convergence Protocol (PDCP) layer, Radio Link Control (RLC) layer, and Media Access Control (MAC) layer. The controller / processor 375 provides: RRC layer functions associated with broadcasting system information (e.g., MIB, SIB), RRC connection control (e.g., RRC connection paging, RRC connection establishment, RRC connection modification, and RRC connection release), mobility between radio access technologies (RATs), and measurement configuration for UE measurement reporting; PDCP layer functions associated with header compression / decompression, security (encryption, decryption, integrity protection, integrity verification), and handover support functions; RLC layer functions associated with upper-layer packet data unit (PDU) transmission, error correction via ARQ, connection, segmentation, and reassembly of RLC service data units (SDUs), resegmentation of RLC data PDUs, and reordering of RLC data PDUs; and MAC layer functions associated with mapping between logical channels and transport channels, multiplexing of MAC SDUs to transport blocks (TBs), demultiplexing of MAC SDUs from TBs, scheduling information reporting, error correction via HARQ, priority processing, and logical channel priority allocation.

[0061] Transmit (TX) processor 316 and receive (RX) processor 370 implement Layer 1 functions associated with various signal processing functions. Layer 1, including the physical (PHY) layer, may include error detection of the transport channel, forward error correction (FEC) encoding / decoding of the transport channel, interleaving, rate matching, mapping to the physical channel, modulation / demodulation of the physical channel, and MIMO antenna processing. TX processor 316 processes the mapping to the signal constellation based on various modulation schemes (e.g., binary phase shift keying (BPSK), quadrature phase shift keying (QPSK), M-phase phase shift keying (M-PSK), and M-order quadrature amplitude modulation (M-QAM)). The encoded and modulated symbols can then be segmented into parallel streams. Each stream can then be mapped to OFDM subcarriers, multiplexed with a reference signal (e.g., a pilot) in the time and / or frequency domains, and then combined using an inverse fast Fourier transform (IFFT) to generate a physical channel carrying a time-domain OFDM symbol stream. The OFDM stream is spatially precoded to generate multiple spatial streams. Channel estimates from channel estimator 374 can be used to determine coding and modulation schemes and for spatial processing. The channel estimates can be derived from reference signals transmitted by UE 350 and / or channel condition feedback. Each spatial stream can then be provided to a different antenna via a separate transmitter 318TX. Each transmitter 318TX can modulate an RF carrier using the corresponding spatial stream for transmission.

[0062] At UE 350, each receiver 354RX receives signals through its corresponding antenna 352. Each receiver 354RX recovers the information modulated onto the RF carrier and provides the information to the receive (RX) processor 356. The TX processor 368 and RX processor 356 implement Layer 1 functions associated with various signal processing functions. The RX processor 356 can perform spatial processing on the information to recover any spatial stream destined for UE 350. If multiple spatial streams are destined for UE 350, the RX processor 356 can combine them into a single OFDM symbol stream. Subsequently, the RX processor 356 uses a Fast Fourier Transform (FFT) to transform the OFDM symbol stream from the time domain to the frequency domain. The frequency domain signal includes a separate OFDM symbol stream for each subcarrier of the OFDM signal. The symbols on each subcarrier, along with the reference signal, are recovered and demodulated by determining the most probable signal constellation points transmitted by base station 310. These soft decisions can be based on channel estimates calculated by channel estimator 358. The soft decision is then decoded and deinterleaved to recover the data and control signals originally transmitted by base station 310 on the physical channel. The data and control signals are then provided to controller / processor 359, which implements layer 3 and layer 2 functions.

[0063] The controller / processor 359 may be associated with a memory 360 that stores program code and data. The memory 360 may be referred to as a computer-readable medium. In the UL, the controller / processor 359 provides demultiplexing, packet reassembly, decryption, header decompression, and control signal processing between transport and logical channels to recover IP packets from the EPC 160. The controller / processor 359 is also responsible for error detection using ACK and / or NACK protocols to support HARQ operation.

[0064] Similar to the functions described in conjunction with DL transmissions performed by base station 310, controller / processor 359 provides: RRC layer functions associated with system information (e.g., MIB, SIB) acquisition, RRC connection, and measurement reporting; PDCP layer functions associated with header compression / decompression and security (encryption, decryption, integrity protection, integrity verification); RLC layer functions associated with upper-layer PDU transmission, error correction via ARQ, RLC SDU connection, segmentation and reassembly, RLC data PDU resegmentation, and RLC data PDU reordering; and MAC layer functions associated with mapping between logical channels and transport channels, multiplexing of MAC SDUs to TBs, demultiplexing of MAC SDUs from TBs, scheduling information reporting, error correction via HARQ, priority processing, and logical channel priority allocation.

[0065] The channel estimate derived by the channel estimator 358 based on the reference signal or feedback transmitted by the base station 310 can be used by the TX processor 368 to select appropriate coding and modulation schemes and facilitate spatial processing. The spatial stream generated by the TX processor 368 can be provided to different antennas 352 via individual transmitters 354TX. Each transmitter 354TX can use the corresponding spatial stream to modulate an RF carrier for transmission.

[0066] UL transmission at base station 310 is processed in a manner similar to that described in conjunction with the receiver function at UE 350. Each receiver 318RX receives signals via its corresponding antenna 320. Each receiver 318RX recovers the information modulated onto the RF carrier and provides the information to the RX processor 370.

[0067] The controller / processor 375 can be associated with a memory 376 that stores program code and data. The memory 376 may be referred to as a computer-readable medium. In the UL, the controller / processor 375 provides demultiplexing, packet reassembly, decryption, header decompression, and control signal processing between transport and logical channels to recover IP packets from the UE 350. IP packets from the controller / processor 375 can be provided to the EPC 160. The controller / processor 375 is also responsible for error detection using ACK and / or NACK protocols to support HARQ operation.

[0068] At least one of the TX processor 368, RX processor 356, and controller / processor 359 can be configured to perform operations with... Figure 1 The 198 related aspects.

[0069] At least one of the TX processor 316, RX processor 370, and controller / processor 375 can be configured to perform operations related to... Figure 1 The 199 related aspects.

[0070] Some aspects of wireless communication include heterogeneity in node operating channels, such as heterogeneous radio frequency (RF) bandwidth in unlicensed spectrum. For example, unlicensed spectrum (e.g., approximately 60 GHz) can allow the deployment of nodes with varying bandwidths. Attacker nodes with bandwidth heterogeneity can cause frequency-selective interference. Furthermore, victim nodes with bandwidth heterogeneity may suffer from frequency-selective interference. Wireless communication can also include serving cell bandwidth heterogeneity. For example, in New Radio (NR) wireless communication, base stations and receiving UEs can use different bandwidths or bandwidth portions (BWPs) to operate on a single network operating channel. In some instances, a common channelization may not exist. Additionally, non-NR victims and attackers can use wider bandwidths (e.g., 2.16 GHz).

[0071] Various aspects of wireless communication can include bandwidth and sensing thresholds. For example, the European Telecommunications Standards Institute (ETSI) adaptive model could be around 60 GHz. Energy threshold X T (P out ) can be the maximum equivalent isotropic radiated power (EIRP) P out (For example, for P in dBm) our The function is X. Furthermore, the following formula can be used for this threshold: X T (P out )=-47dBm+(40dBm-P out This can also be independent of the bandwidth of the operating channel. Furthermore, assuming the transmission bandwidth B and EIRPP... out(Unit: dBm) For load-based devices, ETSI adaptability can be at another frequency (e.g., 5 GHz). The following formula can also be used for this threshold: X T (P out )=-73dBm+10*log10(B)+(23dBm-P out For fixed EIRP P out This threshold can also be increased as the bandwidth being contested increases.

[0072] In NR unlicensed (NR-U) communication at certain frequencies (e.g., 5 GHz), it can be assumed that NR unlicensed sensing is performed in a 20 MHz bandwidth channel during listen-before-tell (LBT) communication. This may occur at an energy detection (ED) threshold used for maximum power (max P). In some instances, there may be a fixed high threshold (e.g., -52 dBm) every 20 MHz without other techniques. Otherwise, the threshold can be determined as a function of the relationship between the channel bandwidth (e.g., the LBT bandwidth of 20 MHz) and the output power.

[0073] Various aspects of wireless communication can also include determining busy contention slots through sensing. In LBT communication, during unlicensed band operation, a carrier sensing unit at a contention node can determine whether a contention slot (e.g., 9 μs for below 6 GHz or 5 μs for 60 GHz) is busy for the node. For example, the carrier sensing unit can determine whether a sensed interference level quality metric (e.g., received energy) exceeds a threshold. Energy can be measured over the bandwidth of the operating channel used for sensing. The threshold can be a function of power level, maximum transmit power, and / or EIRP.

[0074] Figure 4 Figure 400 illustrates an example competition determination process. (See Figure 400.) Figure 4 As shown in Figure 400, auxiliary information 410, threshold determination 420, threshold 430, input signal measurement 440, interference level quality calculation 450, and measured metric Q 460 are included. Figure 400 also includes contention slot busy determination or idle channel assessment (CCA) 470 and CCA busy determination 480.

[0075] like Figure 4As shown, auxiliary information 410 (e.g., bandwidth, power level, and / or transmit power) can be input to threshold determination 420. Threshold determination 420 can generate a threshold 430, i.e., X(P) 430. Furthermore, input signal measurement 440 can be input to interference level quality calculation 450 (e.g., energy measurement), which can generate a measured metric Q 460 (e.g., energy). Threshold X(P) 430 and measured metric Q 460 can be used for contention slot busy determination 470 (e.g., idle channel assessment (CCA) 470). This contention slot busy determination or CCA 470 can lead to CCA busy determination 480. For example, CCA busy determination 480 can be a true or false response depending on whether measured metric Q 460 is greater than or equal to threshold X(P) 430.

[0076] Furthermore, there may be illustrative relationships between heterogeneous operating channels, sensing bandwidth, and transmission bandwidth. Sensing bandwidth can be the bandwidth on which energy is measured to make a determination regarding channel access in unlicensed or shared spectrum. For example, the minimum sensing bandwidth for Wi-Fi can be 20 MHz. For NR-U, the sensing bandwidth at the UE and base station can be a multiple of the LBT bandwidth (e.g., 20 MHz).

[0077] Figure 5A Figure 500 shows the transmission of base station 510. Figure 5A This displays multiple transmission bandwidths and communications at base station 510. For example... Figure 5A As shown in Figure 500, it includes a base station 510, a frequency 512, a base station radio frequency (RF) filter 514, a network operation channel bandwidth 516, a sensing bandwidth 518, and a base station transmission 520. Figure 5A This shows that base station transmission 520 can be within sensing bandwidth 518.

[0078] Figure 5B Figure 550 shows the transmission of UE 560. Figure 5B This displays multiple transmission bandwidths and communications at UE 560. For example... Figure 5B As shown in Figure 550, it includes frequency 562, UE RF filter 564, UE active BWP 566, UE sensing bandwidth 568, and UE transmission 570. Figure 5B It is shown that UE transmission 570 can be within UE sensing bandwidth 568.

[0079] As indicated in this document, some aspects of wireless communication may not include the ability to adjust thresholds used for sensing bandwidth. Therefore, these transmissions may be inflexible or lack the ability to adjust to different thresholds. Based on the above, providing threshold adjustment with sensing bandwidth is beneficial. When leveraging bandwidth heterogeneity, providing an energy sensing framework for LBT communication targeting contention slots is also beneficial.

[0080] Various aspects of this disclosure may include threshold adjustment based on sensing bandwidth. For example, various aspects of this disclosure may include an energy sensing framework for LBT communication for contention slots when bandwidth heterogeneity is utilized. Various aspects of this disclosure may also include a relationship between transmit power or EIRP and energy measured via an adjustment of the energy detection threshold based on bandwidth. Various aspects of this disclosure may use this comparison in a contention determination process.

[0081] Various aspects of this disclosure can define a reference bandwidth B0 or ​​a reference threshold X0 (B0, P) expressed in dBm. T As indicated above, the sensing bandwidth can be greater than the operating bandwidth or the transmission bandwidth. The reference bandwidth can be used as a reference to determine whether the transmission medium is suitable for transmission. In some aspects, the reference bandwidth can be part of a quantized set of reference bandwidths used to calculate the energy threshold. Furthermore, P T This can represent a static or semi-static version of the transmit power. For example, P T This can represent the maximum EIRP allowed for a particular equipment category or transmit power category.

[0082] Figure 6 Figure 600 illustrates an example competition determination process. (See Figure 600.) Figure 6 As shown, Figure 600 may include power information 610, sensing bandwidth 612, threshold determination 620, threshold X 630, input signal measurement 640, interference level quality calculation 650, and measured metric Q 660. Figure 600 also includes contention slot busy determination or idle channel assessment (CCA) 670 and CCA busy determination 680.

[0083] like Figure 6As shown, power information 610 (e.g., power level and / or maximum transmit power) and sensing bandwidth 612 can be inputs to threshold determination 620, which can generate a threshold X 630. Furthermore, input signal measurement 640 can be input to interference level quality calculation 650 (e.g., energy measurement), which can generate a measured metric Q 660 (e.g., energy). Threshold X 630 and the measured metric Q 660 can be used for contention slot busy determination 670 (e.g., idle channel assessment (CCA) 670). Furthermore, contention slot busy determination or CCA 670 can lead to CCA busy determination 680. CCA busy determination 680 can be a true or false response depending on whether the measured metric Q 660 is greater than or equal to threshold X 630.

[0084] Various aspects of this disclosure may include thresholds that are adjusted for sensing bandwidth. For example, X Thresh =X0(B0,P T )+f(B s ,B0), where X Thresh B0 is the adjusted energy threshold, B0 is the reference bandwidth, and P is the reference bandwidth. T This is the transmit power, X0 is the reference threshold, and B... S It is the sensing bandwidth, and f(B) S (B0) is threshold adjustment. Various aspects of this disclosure may include multiple options for threshold adjustment.

[0085] Figure 7 Figure 700 illustrates an example competition determination process. Figure 7 As shown in Figure 700, it may include power information 710, reference bandwidth 712, threshold determination 720, reference threshold X0 730, input signal measurement 740, interference level quality calculation 750, measured metric Q 760, and sensing bandwidth B. S 762, threshold adjustment 764, and threshold X 766. Figure 700 also includes contention slot busy determination or idle channel assessment (CCA) 770 and CCA busy determination 780.

[0086] like Figure 7 As shown, the reference bandwidth B0 712 and power information 710 (e.g., power level and maximum transmit power) can be inputs to threshold determination 720, which can generate a reference threshold 730, i.e., reference threshold X0(B0, P T The reference threshold 730 and the sensing bandwidth B S 762 together can generate a threshold adjustment 764, for example, f(B) STherefore, the sensing bandwidth 762 can be used in conjunction with the reference bandwidth 712 to subsequently adjust the energy threshold (e.g., via threshold adjustment 764), the energy threshold corresponding to threshold X 766. In some aspects, the reference bandwidth 712 can be greater than or equal to the sensing bandwidth 762.

[0087] like Figure 7 As further illustrated, the input signal measurement 740 can be an input to the interference level quality calculation 750 (e.g., energy measurement), which can generate a measured metric Q 760 (e.g., energy). The measured metric Q 760 and the threshold X 766 can be used for contention slot busy determination 770 (e.g., idle channel assessment (CCA) 770). This contention slot busy determination or CCA 770 may result in a CCA busy determination 780. The CCA busy determination 780 can be a true or false response, depending on whether the metric Q 760 is greater than or equal to the threshold X 766.

[0088] Figure 8A , 8B 8C, 8D, and 8E are graphs showing reference thresholds compared to the sensing bandwidth, respectively, at 800, 820, 840, 860, and 880. Figures 8A-8E As shown, aspects of this disclosure may include multiple options for threshold adjustment. For example, aspects of this disclosure may include threshold adjustment for a given maximum EIRP.

[0089] Figure 8A This is a graph 800 showing a reference threshold 802 (dBm) compared to a sensing bandwidth 804 (logarithmic scale), the sensing bandwidth 804 also including a reference bandwidth B0 806. For example... Figure 8A As shown, the energy threshold X0(B0,P) T The number of 808 can increase with the increase of the sensing bandwidth 804. For example, This function can facilitate channel access for nodes sensing wider bandwidths. For example, as the energy threshold increases, the availability of the transmission medium can also increase.

[0090] Figure 8B This is a graph 820 showing a reference threshold 822 (dBm) compared to a sensing bandwidth 824 (logarithmic scale), which also includes a reference bandwidth B0 826. (As shown...) Figure 8B As shown, the energy threshold X0(B0,P) T 828 can decrease as the sensing bandwidth 824 increases. For example, This function encourages nodes to perform sensing and transmission over narrower bandwidths. Therefore, it facilitates nodes using a reduced amount of bandwidth, increasing the number of nodes that can utilize the medium. This can correspond to use cases that utilize smaller bandwidths.

[0091] Figure 8C This is a graph 840 showing a reference threshold 842 (dBm) compared to a sensing bandwidth 844 (logarithmic scale), the sensing bandwidth 844 also including a reference bandwidth B0 846. (As shown...) Figure 8C As shown, the energy threshold X0(B0, PT) 848 can be a monotonically non-increasing function with a lower limit. For example, the energy detection threshold 848 can be a non-increasing function with a minimum threshold. For example, X_Thresh = X_0(B_0, P_T) + f_1(B_S / B_0). This function facilitates channel access for sensing bandwidths below B0.

[0092] Figure 8D This is a graph 860 showing a reference threshold 862 (dBm) compared to a sensing bandwidth 864 (logarithmic scale), the sensing bandwidth 864 also including a reference bandwidth B0 866. For example... Figure 8D As shown, the energy threshold X0(B0,P) T 868 can be a monotonic, non-decreasing function of the sensing bandwidth (e.g., with an upper limit). For example, the energy detection threshold 868 can be a non-decreasing function with a maximum threshold. This function can facilitate channel access for sensing bandwidths greater than B0.

[0093] Figure 8E This is a graph 880 showing a reference threshold 882 (dBm) compared to a sensing bandwidth 884 (logarithmic scale), the sensing bandwidth 884 also including a reference bandwidth B0 886. For example... Figure 8E As shown, the energy threshold X0(B0,P) T 888 can be a function with a single peak used for sensing bandwidth. For example, the energy detection threshold 888 can increase before the peak and decrease after the peak. This function can encourage the use of a sensing bandwidth equal to B0 and is a way to implement a distributed protocol for sensing bandwidth.

[0094] Furthermore, aspects of this disclosure may include a function with a single valley for sensing bandwidth. For example, the energy detection threshold may decrease before a minimum value and increase after a minimum value. Aspects of this disclosure may also include multiple UE-specific threshold adjustment options. In some aspects, the UE sensing threshold may be adjusted for the active BWP bandwidth relative to the reference bandwidth B0. This adjustment may include a general expression, where... This adjustment may also include linear scaling, where

[0095] In some aspects, there may be signaling for the UE to receive a reference bandwidth from the base station. The reference bandwidth can be obtained via Residual Minimum System Information (RMSI), Radio Resource Control (RRC) signaling, Medium Access Control (MAC) Control Element (MAC-CE) signaling, or Downlink Control Information (DCI). Various aspects of this disclosure may also include signaling for the UE to obtain the reference bandwidth according to specifications, for example, where the reference bandwidth is known to or obtained by the UE, and the UE receives bandwidth adjustments from the base station. The reference bandwidth can be obtained via RMSI, RRC signaling, MAC-CE signaling, or DCI.

[0096] Furthermore, aspects of this disclosure may include a UE sensing threshold adjusted for the union of BWP bandwidths of one or more configurations relative to the reference bandwidth B0.

[0097] This disclosure may also include aspects relating to the network operating channel bandwidth B. gNB The active BWP bandwidth is used to adjust the UE sensing threshold. For example, This disclosure may also include aspects of the UE receiving signaling from the base station regarding network operating channel bandwidth. This may be performed via RMSI, RRC signaling, MAC-CE signaling, or DCI. This disclosure may also include aspects of the UE obtaining network operating channel bandwidth via RMSI and / or receiving signaling from the base station regarding bandwidth adjustment. This may also be performed via RMSI, RRC signaling, MAC-CE signaling, or DCI.

[0098] Figure 9 Figure 900 shows an example communication between UE 902 and base station 904.

[0099] At 912, UE 902 can determine an energy detection threshold for the reference bandwidth, which is based on at least one of transmit power or power level. At 914, base station 904 can determine an energy detection threshold for the reference bandwidth, which is based on at least one of transmit power or power level.

[0100] At 922, UE 902 can measure the interference level of at least one signal. At 924, base station 904 can measure the interference level of at least one signal.

[0101] At 932, UE 902 can adjust the energy detection threshold of the reference bandwidth based on the sensing bandwidth. At 934, base station 904 can adjust the energy detection threshold of the reference bandwidth based on the sensing bandwidth.

[0102] At 942, UE 902 can compare the adjusted energy detection threshold with the interference level of at least one measured signal. At 944, base station 904 can compare the adjusted energy detection threshold with the interference level of at least one measured signal. In some aspects, the transmission medium may be available when the interference level of at least one measured signal is less than the adjusted energy detection threshold.

[0103] In some aspects, the energy detection threshold can be increased when the sensing bandwidth increases. Conversely, the energy detection threshold can be decreased when the sensing bandwidth increases. The energy detection threshold can correspond to a non-increasing function with a minimum threshold. It can also correspond to a non-decreasing function with a maximum threshold. Furthermore, the energy detection threshold can be increased before the peak value and decreased after the peak value.

[0104] Furthermore, the energy detection threshold can be adjusted based on at least one active bandwidth portion (BWP) bandwidth associated with a reference bandwidth. The reference bandwidth can be received from the base station and / or the UE. The reference bandwidth can also be obtained by the UE and / or the base station, and the adjusted energy detection threshold can be received from the base station and / or the UE. Additionally, the energy detection threshold can be adjusted based on the union of one or more configured bandwidth portions (BWP) bandwidths associated with the reference bandwidth. Furthermore, the energy detection threshold can be adjusted based on at least one active bandwidth portion (BWP) bandwidth associated with a network operation channel bandwidth. The network operation channel bandwidth can be received from the base station and / or the UE. The network operation channel bandwidth can also be obtained by the UE and / or the base station, and the adjusted energy detection threshold can be received from the base station and / or the UE.

[0105] At 952, UE 902 may determine whether the transmission medium is available based on at least one of an adjusted energy detection threshold or the interference level of at least one measured signal. At 954, base station 904 may determine whether the transmission medium is available based on at least one of an adjusted energy detection threshold or the interference level of at least one measured signal. In some aspects, the transmission medium may correspond to one or more transmission time slots, and the interference level of at least one measured signal may correspond to one or more contention time slots.

[0106] At 962, when the interference level of at least one measured signal is less than the adjusted energy detection threshold, UE902 may transmit data (e.g., data 966) via the transmission medium. At 964, when the interference level of at least one measured signal is less than the adjusted energy detection threshold, base station904 may transmit data (e.g., data 968) via the transmission medium.

[0107] At 972, when the interference level of at least one measured signal is greater than or equal to the adjusted energy detection threshold, UE 902 can avoid transmitting data via the transmission medium. At 974, when the interference level of at least one measured signal is greater than or equal to the adjusted energy detection threshold, base station 904 can avoid transmitting data via the transmission medium.

[0108] Figure 10 This is a flowchart 1000 of a wireless communication method. The method can be performed by a UE or a component of a UE (e.g., UE 104, 350, 902; device 1402; processing system, which may include memory 360 and may be the entire UE or a component of a UE, such as TX processor 368, controller / processor 359, transmitter 354TX, antenna 352, etc.). The method described herein can provide numerous benefits, such as improved communication signaling, resource utilization, and / or power savings.

[0109] At 1002, the device can determine an energy detection threshold for a reference bandwidth, the energy detection threshold being based on at least one of the following: transmit power or power level, such as in combination with... Figure 4 , 5A 5B, 6, 7, 8A-8E and Figure 9 As described in the example. For example, UE 902 can determine an energy detection threshold for a reference bandwidth, which is based on at least one of transmit power or power level, such as in combination. Figure 9 As described in 912. Furthermore, 1002 can be... Figure 14 The determined component 1440 is used to execute this.

[0110] At position 1004, the device can measure the interference level of at least one signal, such as in combination with... Figure 4 , 5A 5B, 6, 7, 8A-8E and Figure 9 The example described in [the document] illustrates this. For instance, UE 902 can measure the interference level of at least one signal, as in conjunction with [other parameters]. Figure 9 As described in 922. Furthermore, 1004 can be derived from... Figure 14 The determined component 1440 is used to execute this.

[0111] At 1006, the device can adjust the energy detection threshold of the reference bandwidth based on the sensing bandwidth, such as by combining... Figure 4 , 5A 5B, 6, 7, 8A-8E and Figure 9 As described in the example. For example, UE 902 can adjust the energy detection threshold of the reference bandwidth based on the sensing bandwidth, such as in combination with... Figure 9 As described in 932. Furthermore, 1006 can be derived from... Figure 14 The determined component 1440 is used to execute this.

[0112] In some aspects, the energy detection threshold can be increased when the sensing bandwidth increases. Conversely, the energy detection threshold can be decreased when the sensing bandwidth increases. The energy detection threshold can correspond to a non-increasing function with a minimum threshold. It can also correspond to a non-decreasing function with a maximum threshold. Furthermore, the energy detection threshold can be increased before the peak value and decreased after the peak value.

[0113] Furthermore, the energy detection threshold can be adjusted based on at least one active bandwidth portion (BWP) bandwidth associated with a reference bandwidth. The reference bandwidth can be received from the base station and / or the UE. The reference bandwidth can also be obtained by the UE and / or the base station, and the adjusted energy detection threshold can be received from the base station and / or the UE. Additionally, the energy detection threshold can be adjusted based on the union of one or more configured bandwidth portions (BWP) bandwidths associated with the reference bandwidth. Furthermore, the energy detection threshold can be adjusted based on at least one active bandwidth portion (BWP) bandwidth associated with a network operation channel bandwidth. The network operation channel bandwidth can be received from the base station and / or the UE. The network operation channel bandwidth can also be obtained by the UE and / or the base station, and the adjusted energy detection threshold can be received from the base station and / or the UE.

[0114] At 1010, the device can determine whether the transmission medium is available based on at least one of the adjusted energy detection threshold or the interference level of at least one measured signal, such as in combination with Figure 4 , 5A 5B, 6, 7, 8A-8E and Figure 9 As described in the example. For example, UE 902 can determine whether the transmission medium is available based on at least one of an adjusted energy detection threshold or the interference level of at least one measured signal, such as in combination with... Figure 9 As described in 952. Furthermore, 1010 can be derived from... Figure 14 The determination component 1440 performs this action. In some aspects, the transmission medium may correspond to one or more transmission time slots, and the interference level of the measured at least one signal may correspond to one or more contention time slots.

[0115] Figure 11 This is a flowchart 1100 of a wireless communication method. The method can be performed by a UE or a component of a UE (e.g., UE 104, 350, 902; device 1402; processing system, which may include memory 360 and may be the entire UE or a component of a UE, such as TX processor 368, controller / processor 359, transmitter 354TX, antenna 352, etc.). The method described herein can provide numerous benefits, such as improved communication signaling, resource utilization, and / or power savings.

[0116] At 1102, the device can determine an energy detection threshold for a reference bandwidth, the energy detection threshold being based on at least one of the following: transmit power or power level, such as in combination with... Figure 4 , 5A 5B, 6, 7, 8A-8E and Figure 9 As described in the example. For example, UE 902 can determine an energy detection threshold for a reference bandwidth, which is based on at least one of transmit power or power level, such as in combination. Figure 9 As described in 912. Furthermore, 1102 can be... Figure 14 The determined component 1440 is used to execute this.

[0117] At 1104, the device can measure the interference level of at least one signal, such as in combination with Figure 4 , 5A 5B, 6, 7, 8A-8E and Figure 9 The example described in [the document] illustrates this. For instance, UE 902 can measure the interference level of at least one signal, as in conjunction with [other parameters]. Figure 9 As described in 922. Furthermore, 1104 can be derived from... Figure 14 The determined component 1440 is used to execute this.

[0118] At 1106, the device can adjust the energy detection threshold of the reference bandwidth based on the sensing bandwidth, such as by combining... Figure 4 , 5A 5B, 6, 7, 8A-8E and Figure 9 As described in the example. For example, UE 902 can adjust the energy detection threshold of the reference bandwidth based on the sensing bandwidth, such as in combination with... Figure 9 As described in 932. Furthermore, 1006 can be derived from... Figure 14 The determined component 1440 is used to execute this.

[0119] At 1108, the device can compare the adjusted energy detection threshold with the interference level of at least one measured signal, such as in combination with... Figure 4 , 5A 5B, 6, 7, 8A-8E and Figure 9As described in the example. For example, UE 902 can compare the adjusted energy detection threshold with the interference level of at least one measured signal, such as in combination with... Figure 9 As described in 942. Furthermore, 1108 can be derived from... Figure 14 The determination component 1440 performs this action. In some aspects, the transmission medium may be available when the interference level of at least one measured signal is less than an adjusted energy detection threshold.

[0120] In some aspects, the energy detection threshold can be increased when the sensing bandwidth increases. Conversely, the energy detection threshold can be decreased when the sensing bandwidth increases. The energy detection threshold can correspond to a non-increasing function with a minimum threshold. It can also correspond to a non-decreasing function with a maximum threshold. Furthermore, the energy detection threshold can be increased before the peak value and decreased after the peak value.

[0121] Furthermore, the energy detection threshold can be adjusted based on at least one active bandwidth portion (BWP) bandwidth associated with a reference bandwidth. The reference bandwidth can be received from the base station and / or the UE. The reference bandwidth can also be obtained by the UE and / or the base station, and the adjusted energy detection threshold can be received from the base station and / or the UE. Additionally, the energy detection threshold can be adjusted based on the union of one or more configured bandwidth portions (BWP) bandwidths associated with the reference bandwidth. Furthermore, the energy detection threshold can be adjusted based on at least one active bandwidth portion (BWP) bandwidth associated with a network operation channel bandwidth. The network operation channel bandwidth can be received from the base station and / or the UE. The network operation channel bandwidth can also be obtained by the UE and / or the base station, and the adjusted energy detection threshold can be received from the base station and / or the UE.

[0122] At 1110, the device can determine whether the transmission medium is available based on at least one of the adjusted energy detection threshold or the interference level of at least one measured signal, such as in combination with Figure 4 , 5A 5B, 6, 7, 8A-8E and Figure 9 As described in the example. For example, UE 902 can determine whether the transmission medium is available based on at least one of an adjusted energy detection threshold or the interference level of at least one measured signal, such as in combination with... Figure 9 As described in 952. Furthermore, 1110 can be derived from... Figure 14 The determination component 1440 performs this action. In some aspects, the transmission medium may correspond to one or more transmission time slots, and the interference level of the measured at least one signal may correspond to one or more contention time slots.

[0123] At 1112, when the interference level of at least one measured signal is less than the adjusted energy detection threshold, the device can transmit data via the transmission medium, such as in combination with... Figure 4 , 5A 5B, 6, 7, 8A-8E and Figure 9 As described in the example. For example, when the interference level of at least one measured signal is less than the adjusted energy detection threshold, UE 902 can transmit data via the transmission medium, as in combination with... Figure 9 As described in 962. Furthermore, 1112 can be derived from... Figure 14 The determined component 1440 is used to execute this.

[0124] At 1114, when the interference level of at least one measured signal is greater than or equal to the adjusted energy detection threshold, the device can avoid transmitting data via the transmission medium, such as in combination with... Figure 4 , 5A 5B, 6, 7, 8A-8E and Figure 9 As described in the example. For example, when the interference level of at least one measured signal is greater than or equal to the adjusted energy detection threshold, UE 902 can avoid transmitting data via the transmission medium, as in combination with... Figure 9 As described in 972. Furthermore, 1114 can be derived from... Figure 14 The determined component 1440 is used to execute this.

[0125] Figure 12 This is a flowchart 1200 of a wireless communication method. The method can be performed by a base station or components of a base station (e.g., base station 102, 180, 310, 904; device 1502; processing system, which may include memory 376, and may be the entire base station or components of a base station, such as antenna 320, receiver 318RX, RX processor 370, controller / processor 375, etc.). The method described herein can provide numerous benefits, such as improved communication signaling, resource utilization, and / or power savings.

[0126] At 1202, the device can determine an energy detection threshold for a reference bandwidth, the energy detection threshold being based on at least one of the following: transmit power or power level, such as in combination with... Figure 4 , 5A 5B, 6, 7, 8A-8E and Figure 9 As described in the example. For example, base station 904 can determine an energy detection threshold for a reference bandwidth, the energy detection threshold being based on at least one of transmit power or power level, such as in combination. Figure 9 As described in 914. Furthermore, 1202 can be... Figure 15 The determined component 1540 is used to execute.

[0127] At position 1204, the device can measure the interference level of at least one signal, such as in combination with... Figure 4 , 5A 5B, 6, 7, 8A-8E and Figure 9 The example described in the text. For example, base station 904 can measure the interference level of at least one signal, as in conjunction with... Figure 9 As described in 924. Furthermore, 1204 can be derived from... Figure 15 The determined component 1540 is used to execute.

[0128] At 1206, the device can adjust the energy detection threshold of the reference bandwidth based on the sensing bandwidth, such as by combining... Figure 4 , 5A 5B, 6, 7, 8A-8E and Figure 9 As described in the example. For example, base station 904 can adjust the energy detection threshold of the reference bandwidth based on the sensing bandwidth, such as in combination with... Figure 9 As described in 934. Furthermore, 1206 can be derived from... Figure 15 The determined component 1540 is used to execute.

[0129] In some aspects, the energy detection threshold can be increased when the sensing bandwidth increases. Conversely, the energy detection threshold can be decreased when the sensing bandwidth increases. The energy detection threshold can correspond to a non-increasing function with a minimum threshold. It can also correspond to a non-decreasing function with a maximum threshold. Furthermore, the energy detection threshold can be increased before the peak value and decreased after the peak value.

[0130] At 1210, the device can determine whether the transmission medium is available based on at least one of the adjusted energy detection threshold or the interference level of at least one measured signal, such as in combination with... Figure 4 , 5A 5B, 6, 7, 8A-8E and Figure 9 As described in the example. For example, base station 904 can determine whether the transmission medium is available based on at least one of an adjusted energy detection threshold or the interference level of at least one measured signal, such as in combination with... Figure 9 As described in 954. Furthermore, 1210 can be derived from... Figure 15 The determination component 1540 in the process performs this action. In some aspects, the transmission medium may correspond to one or more transmission time slots, and the interference level of the measured at least one signal may correspond to one or more contention time slots.

[0131] Figure 13This is a flowchart 1300 of a wireless communication method. The method can be performed by a base station or components of a base station (e.g., base station 102, 180, 310, 904; device 1502; processing system, which may include memory 376, and may be the entire base station or components of a base station, such as antenna 320, receiver 318RX, RX processor 370, controller / processor 375, etc.). The method described herein can provide numerous benefits, such as improved communication signaling, resource utilization, and / or power savings.

[0132] At 1302, the device can determine an energy detection threshold for a reference bandwidth, the energy detection threshold being based on at least one of the following: transmit power or power level, such as in combination with... Figure 4 , 5A 5B, 6, 7, 8A-8E and Figure 9 As described in the example. For example, base station 904 can determine an energy detection threshold for a reference bandwidth, the energy detection threshold being based on at least one of transmit power or power level, such as in combination. Figure 9 As described in 914. Furthermore, 1302 can be... Figure 15 The determined component 1540 is used to execute.

[0133] At 1304, the device can measure the interference level of at least one signal, such as in combination with Figure 4 , 5A 5B, 6, 7, 8A-8E and Figure 9 The example described in the text. For example, base station 904 can measure the interference level of at least one signal, as in conjunction with... Figure 9 As described in 924. Furthermore, 1304 can be derived from... Figure 15 The determined component 1540 is used to execute.

[0134] At 1306, the device can adjust the energy detection threshold of the reference bandwidth based on the sensing bandwidth, such as by combining... Figure 4 , 5A 5B, 6, 7, 8A-8E and Figure 9 As described in the example. For example, base station 904 can adjust the energy detection threshold of the reference bandwidth based on the sensing bandwidth, such as in combination with... Figure 9 As described in 934. Furthermore, 1306 can be derived from... Figure 15 The determined component 1540 is used to execute.

[0135] At 1308, the device can compare the adjusted energy detection threshold with the interference level of at least one measured signal, such as in combination with... Figure 4 , 5A 5B, 6, 7, 8A-8E and Figure 9The example described in the text. For instance, base station 904 can compare the adjusted energy detection threshold with the interference level of at least one measured signal, such as in combination with... Figure 9 As described in 944. Furthermore, 1308 can be derived from... Figure 15 The determination component 1540 performs this action. In some aspects, the transmission medium may be available when the interference level of at least one measured signal is less than an adjusted energy detection threshold.

[0136] In some aspects, the energy detection threshold can be increased when the sensing bandwidth increases. Conversely, the energy detection threshold can be decreased when the sensing bandwidth increases. The energy detection threshold can correspond to a non-increasing function with a minimum threshold. It can also correspond to a non-decreasing function with a maximum threshold. Furthermore, the energy detection threshold can be increased before the peak value and decreased after the peak value.

[0137] At 1310, the device can determine whether the transmission medium is available based on at least one of the adjusted energy detection threshold or the interference level of at least one measured signal, such as in combination with... Figure 4 , 5A 5B, 6, 7, 8A-8E and Figure 9 As described in the example. For example, base station 904 can determine whether the transmission medium is available based on at least one of an adjusted energy detection threshold or the interference level of at least one measured signal, such as in combination with... Figure 9 As described in 954. Furthermore, 1310 can be derived from... Figure 15 The determination component 1540 in the process performs this action. In some aspects, the transmission medium may correspond to one or more transmission time slots, and the interference level of the measured at least one signal may correspond to one or more contention time slots.

[0138] At point 1312, when the interference level of at least one measured signal is less than the adjusted energy detection threshold, the device can transmit data via the transmission medium, such as in combination with... Figure 4 , 5A 5B, 6, 7, 8A-8E and Figure 9 As described in the example. For example, when the interference level of at least one measured signal is less than the adjusted energy detection threshold, base station 904 can transmit data via the transmission medium, as in combination with... Figure 9 As described in 964. Furthermore, 1312 can be derived from... Figure 15 The determined component 1540 is used to execute.

[0139] At point 1314, when the interference level of at least one measured signal is greater than or equal to the adjusted energy detection threshold, the device can avoid transmitting data through the transmission medium, such as in combination with... Figure 4 , 5A 5B, 6, 7, 8A-8E and Figure 9 The example described herein. For instance, when the interference level of at least one measured signal is greater than or equal to an adjusted energy detection threshold, base station 904 can avoid transmitting data via the transmission medium, as in combination with... Figure 9 As described in 974. Furthermore, 1314 can be derived from... Figure 15 The determined component 1540 is used to execute.

[0140] Figure 14 Figure 1400 illustrates an example of a hardware implementation for device 1402. Device 1402 is a UE and includes a cellular baseband processor 1404 (also referred to as a modem) coupled to a cellular RF transceiver 1422, and one or more Subscriber Identity Module (SIM) cards 1420, an application processor 1406 coupled to a Secure Digital Card (SD) card 1408 and a screen 1410, a Bluetooth module 1412, a Wireless Local Area Network (WLAN) module 1414, a Global Positioning System (GPS) module 1416, or a power supply 1418. The cellular baseband processor 1404 communicates with the UE 104 and / or BS 102 / 180 via the cellular RF transceiver 1422. The cellular baseband processor 1404 may include computer-readable media / memory. The computer-readable media / memory may be non-transitory. The cellular baseband processor 1404 is responsible for general processing, including executing software stored on the computer-readable media / memory. When executed by the cellular baseband processor 1404, the software causes the cellular baseband processor 1404 to perform the various functions described above. The computer-readable medium / memory can also be used to store data manipulated by the cellular baseband processor 1404 during software execution. The cellular baseband processor 1404 also includes a receiving component 1430, a communication manager 1432, and a transmission component 1434. The communication manager 1432 includes one or more of the components shown. The components within the communication manager 1432 can be stored in a computer-readable medium / memory and / or configured as hardware within the cellular baseband processor 1404. The cellular baseband processor 1404 can be a component of the UE 350 and can include at least one of a TX processor 368, an RX processor 356, and a controller / processor 359 and / or a memory 360. In one configuration, the device 1402 can be a modem chip and only include the baseband processor 1404, and in another configuration, the device 1402 can be the entire UE (e.g., see...). Figure 3 (350) and includes other modules of the aforementioned device 1402.

[0141] The communication manager 1432 includes a determining component 1440 configured to determine an energy detection threshold for a reference bandwidth, the energy detection threshold being based on at least one of transmit power or power level, for example, as described above in conjunction with step 1102. The determining component 1440 may also be configured to measure the interference level of at least one signal, for example, as described above in conjunction with step 1104. The determining component 1440 may also be configured to adjust the energy detection threshold of the reference bandwidth based on the sensed bandwidth, for example, as described above in conjunction with step 1106. The determining component 1440 may also be configured to compare the adjusted energy detection threshold with the measured interference level of at least one signal, for example, as described above in conjunction with step 1108. The determining component 1440 may also be configured to determine whether a transmission medium is available based on at least one of the adjusted energy detection threshold or the measured interference level of at least one signal, for example, as described above in conjunction with step 1110. The determining component 1440 can also be configured to transmit data via a transmission medium when the interference level of at least one measured signal is less than an adjusted energy detection threshold, for example, as described above in conjunction with step 1112. The determining component 1440 can also be configured to avoid transmitting data via a transmission medium when the interference level of at least one measured signal is greater than or equal to the adjusted energy detection threshold, for example, as described above in conjunction with step 1114.

[0142] The apparatus may include means for performing Figure 9 , 10 and Figure 11 The additional components of each block in the algorithm of the aforementioned flowchart. Therefore, Figure 9 , 10 and Figure 11 Each block in the aforementioned flowchart can be executed by a component, and the apparatus can include one or more of these components. A component can be one or more hardware components specifically configured to perform the stated process / algorithm, implemented by a processor configured to perform the stated process / algorithm, stored in a computer-readable medium for implementation by a processor, or some combination thereof.

[0143] In one configuration, device 1402 (and particularly cellular baseband unit 1404) includes: a unit for determining an energy detection threshold for a reference bandwidth, the energy detection threshold being based on at least one of transmit power or power level. Device 1402 may further include: a unit for measuring the interference level of at least one signal. Device 1402 may further include: a unit for adjusting the energy detection threshold of the reference bandwidth based on a sensing bandwidth. Device 1402 may further include: a unit for determining whether a transmission medium is available based on at least one of the adjusted energy detection threshold or the interference level of the measured at least one signal. Device 1402 may further include: a unit for comparing the adjusted energy detection threshold with the interference level of the measured at least one signal. Device 1402 may further include: a unit for transmitting data via the transmission medium when the interference level of the measured at least one signal is less than the adjusted energy detection threshold. Device 1402 may further include: a unit for avoiding transmitting data via the transmission medium when the interference level of the measured at least one signal is greater than or equal to the adjusted energy detection threshold. The aforementioned unit may be one or more of the aforementioned components of the device 1402 configured to perform the functions described therethrough. As described above, the device 1402 may include a TX processor 368, an RX processor 356, and a controller / processor 359. Therefore, in one configuration, the aforementioned unit may be the TX processor 368, the RX processor 356, and the controller / processor 359 configured to perform the functions described therethrough.

[0144] Figure 15 Figure 1500 illustrates an example of a hardware implementation of device 1502. Device 1502 is a base station and includes a baseband unit 1504. Baseband unit 1504 can communicate with UE 104 via a cellular RF transceiver. Baseband unit 1504 may include computer-readable medium / memory. Baseband unit 1504 is responsible for general processing, including executing software stored on the computer-readable medium / memory. When executed by baseband unit 1504, the software causes baseband unit 1504 to perform the various functions described above. The computer-readable medium / memory can also be used to store data manipulated by baseband unit 1504 when executing the software. Baseband unit 1504 also includes a receiving component 1530, a communication manager 1532, and a transmitting component 1534. Communication manager 1532 includes one or more of the components shown. Components within communication manager 1532 may be stored in computer-readable medium / memory and / or configured as hardware within baseband unit 1504. The baseband unit 1504 may be a component of the BS 310 and may include at least one of the TX processor 315, the RX processor 370 and the controller / processor 375 and / or the memory 376.

[0145] The communication manager 1532 includes a determining component 1540 configured to determine an energy detection threshold for a reference bandwidth, the energy detection threshold being based on at least one of transmit power or power level, for example, as described above in conjunction with step 1302. The determining component 1540 may also be configured to measure the interference level of at least one signal, for example, as described above in conjunction with step 1304. The determining component 1540 may also be configured to adjust the energy detection threshold of the reference bandwidth based on the sensed bandwidth, for example, as described above in conjunction with step 1306. The determining component 1540 may also be configured to compare the adjusted energy detection threshold with the measured interference level of at least one signal, for example, as described above in conjunction with step 1308. The determining component 1540 may also be configured to determine whether a transmission medium is available based on at least one of the adjusted energy detection threshold or the measured interference level of at least one signal, for example, as described above in conjunction with step 1310. The determining component 1540 can also be configured to transmit data via a transmission medium when the interference level of at least one measured signal is less than an adjusted energy detection threshold, for example, as described above in conjunction with step 1312. The determining component 1540 can also be configured to avoid transmitting data via a transmission medium when the interference level of at least one measured signal is greater than or equal to the adjusted energy detection threshold, for example, as described above in conjunction with step 1314.

[0146] The apparatus may include means for performing Figure 9 , 12 and Figure 13 The additional components of each block in the algorithm of the aforementioned flowchart. Therefore, Figure 9 , 12 and Figure 13 Each block in the aforementioned flowchart can be executed by a component, and the apparatus can include one or more of these components. A component can be one or more hardware components specifically configured to perform the stated process / algorithm, implemented by a processor configured to perform the stated process / algorithm, stored in a computer-readable medium for implementation by a processor, or some combination thereof.

[0147] In one configuration, device 1502 (and particularly baseband unit 1504) includes: a unit for determining an energy detection threshold for a reference bandwidth, the energy detection threshold being based on at least one of transmit power or power level. Device 1502 may further include: a unit for measuring the interference level of at least one signal. Device 1502 may further include: a unit for adjusting the energy detection threshold of the reference bandwidth based on a sensed bandwidth. Device 1502 may further include: a unit for determining whether a transmission medium is available based on at least one of the adjusted energy detection threshold or the interference level of the measured at least one signal. Device 1502 may further include: a unit for comparing the adjusted energy detection threshold with the interference level of the measured at least one signal. Device 1502 may further include: a unit for transmitting data via the transmission medium when the interference level of the measured at least one signal is less than the adjusted energy detection threshold. Device 1502 may further include: a unit for avoiding transmitting data via the transmission medium when the interference level of the measured at least one signal is greater than or equal to the adjusted energy detection threshold. The aforementioned unit may be one or more components of the apparatus 1502 configured to perform the functions described therethrough. As described above, the apparatus 1502 may include a TX processor 316, an RX processor 370, and a controller / processor 375. Therefore, in one configuration, the aforementioned unit may be the TX processor 316, the RX processor 370, and the controller / processor 375 configured to perform the functions described therethrough.

[0148] The aspects presented herein provide configuration options for a channel access mechanism, where competing nodes can measure sensing measurements on a sensing bandwidth that differs from the final bandwidth of one or more expected transmissions. The characteristics of the interference caused can be determined based on the bandwidth occupied by the transmission. Sensing thresholds can be adjusted to compensate for mismatches between the sensing bandwidth and the transmission bandwidth.

[0149] The impact of interference from potential transmissions from competing nodes accessing the channel can differ depending on the amount of frequency resources the interference propagates. During decoding of an ongoing transmission, this impact can depend on various factors, such as error control coding rate, interleaving and decoder architecture, smaller versus larger code blocks, or modulation and spreading. Rate prediction and channel state information (CSI) estimation can be affected by the temporal predictability of the interference. The ability to avoid interference in the frequency domain can be based on scheduling and channel selection. Thus, the sensing threshold for channel access can be determined based on the size and nature of the transmission bandwidth to be occupied by competing nodes for a given transmit power or EIRP, and can be adjusted relative to thresholds for assumed matched transmit and transmission bandwidths.

[0150] Figure 16A-16DExamples 1600, 1610, 1620, and 1630 are examples of adjusted sensing thresholds. Occupied bandwidth 1604 can be the bandwidth determined by the occupied resource blocks. Occupied bandwidth 1604 can be the sum of resource blocks to be occupied (e.g., contiguous or non-contiguous) during the proposed transmission period. For example, the occupied bandwidth can be represented as follows:

[0151]

[0152] Span bandwidth or B span 1606 can be the bandwidth span of the occupied resource block. For example, B span It can be f max -f min The minimum value of the difference between them, where f min and f max The power radiated between them is greater than or equal to a*P T , where P T It is the transmit power. The sensing threshold X0 can be used for the sensing bandwidth B. S Total transmit power / EIRP P T The matching bandwidth threshold. The sensing threshold can be represented as X0 := X0(B S ,P T The sensing threshold can be adjusted to match the occupied bandwidth. Figure 16A In Example 1600, the bandwidth occupied is B Occupied 1604 may include a first bandwidth B1 1608 and a second bandwidth B2 1610. The first bandwidth B1 1608 and the second bandwidth B2 1610 may be narrowband, predictable, continuous, or localized, such that the occupied bandwidth B... Occupied 1604 occupies sensing bandwidth B sense Part of 1602, and most of the sub-band may be empty. Thus, the sensing threshold can be based on the sensing bandwidth B. sense 1602 and the bandwidth occupied B Occupied A ratio of 1604. For example, the sensing threshold can be expressed as...

[0153] exist Figure 16B In Example 1610, the occupied bandwidth may include a first bandwidth B1 1608 and a second bandwidth B2 1610. The first bandwidth B1 1608 and the second bandwidth B2 1610 may be narrowband, predictable, discontinuous, or local, such that the occupied bandwidth B... Occupied 1604 occupies sensing bandwidth B sensePart of 1602, while the first bandwidth B1 1608 and the second bandwidth B2 1612 are separate from each other. In the case where the wireless device is a base station communicating with different UEs, the first bandwidth B1 1608 and the second bandwidth B2 1610 are separate from each other, such that the first bandwidth B1 1608 corresponds to communication with the first UE and the second bandwidth B2 1610 corresponds to communication with the second UE. In such an instance, the sensing threshold can be based on the sensing bandwidth B1 1602. sense The ratio of 1602 to the bandwidth occupied (e.g., B1 1608 and B2 1610).

[0154] For example, the sensing threshold can be expressed as

[0155] exist Figure 16C In Example 1620, the occupied bandwidth may include a first bandwidth B1 1608 and a second bandwidth B2 1610. The first bandwidth B1 1608 and the second bandwidth B2 1610 may be narrowband and unpredictable, resulting in frequency hopping. Due to the presence of frequency hopping, the first and second bandwidths may occupy a significant amount of sensing bandwidth over time. For example, in a first time slot, the first bandwidth B1 1608 and the second bandwidth B2 1610 may occupy a significant portion of the sensing bandwidth B1 1608. sense Part of 1602, while in the second time slot, the first bandwidth B1 1608 and the second bandwidth B2 1610 can occupy the sensing frequency band B. sense Different parts of 1602, the bandwidth or bandwidth span B occupied span 1606 is essentially similar to the sensing bandwidth. Therefore, the sensing threshold can be based on the sensing bandwidth B. sense 1602 and bandwidth span B span The ratio is 1606.

[0156] For example, the sensing threshold can be expressed as

[0157] exist Figure 16D In Example 1630, the occupied bandwidth may include multiple first or second bandwidths that can be narrowband and / or nonlocalized, such that the multiple first and second bandwidths can be spaced apart within the sensing bandwidth. In such an instance, the occupied bandwidth may include a bandwidth span B that is substantially similar to the sensing bandwidth. span 1606. Thus, the sensing threshold can be based on the sensing bandwidth B. sense 1602 and bandwidth span B span A ratio of 1606. For example, the sensing threshold can be expressed as...

[0158] Figure 17This is a call flow diagram 1700 showing the signaling between a first wireless device 1702 and a second wireless device 1704. In some aspects, the first wireless device 1702 may be a UE or a base station. In some aspects, the second wireless device 1704 may be a base station or a UE. In the aspect where the first or second wireless device is a base station, the base station may be configured to provide a cell. In the aspect where the first or second wireless device is a UE, the UE may be configured to communicate with the base station. For example, in... Figure 1 In the context of this, the base station may correspond to base station 102 / 180, and therefore, the cell may include a geographical coverage area 110 in which communication coverage is provided and / or a small cell 102' having coverage area 110'. Furthermore, the UE may correspond to at least UE 104. In another example, in Figure 3 In this context, the base station can correspond to base station 310, and the UE can correspond to UE350.

[0159] As shown at 1706, the first wireless device 1702 can measure at least one energy sensing measurement of the operating channel. As shown at 1708, the second wireless device 1704 can measure at least one energy sensing measurement of the operating channel. The wireless devices can measure at least one energy sensing measurement of the operating channel within a sensing bandwidth. In some aspects, the wireless device may include a user equipment (UE). In some aspects, the wireless device may include a base station.

[0160] As shown at 1710, the first wireless device 1702 can determine whether the operating channel is available for transmission. As shown at 1712, the second wireless device 1704 can determine whether the operating channel is available for transmission. The wireless devices can determine whether the operating channel is available for transmission based on a sensing threshold for the transmit power level for the transmission bandwidth. In some aspects, the transmission bandwidth may be different from the sensing bandwidth.

[0161] As shown at 1714, the first wireless device 1702 can adjust the sensing threshold. As shown at 1716, the second wireless device 1704 can adjust the sensing threshold. The wireless devices can adjust the sensing threshold based on the sensing bandwidth and the bandwidth occupied by the transmission bandwidth. In some aspects, the sensing threshold can be adjusted to match the sensing bandwidth with the bandwidth occupied by the transmission bandwidth. The bandwidth occupied by the transmission bandwidth may include a portion of the sensing bandwidth. The sensing threshold can be adjusted based on the bandwidth occupied by the transmission bandwidth and the sensing bandwidth. In some aspects, the bandwidth occupied by the transmission bandwidth can be continuous or local. In some aspects, the bandwidth occupied by the transmission bandwidth can include a bandwidth span substantially similar to the sensing bandwidth. In such aspects, the sensing threshold can be adjusted based on the bandwidth span occupied by the transmission bandwidth and the sensing bandwidth. In some aspects, the bandwidth span occupied by the transmission bandwidth can be discontinuous, non-local, or include frequency hopping.

[0162] As shown at 1718, either the first wireless device 1702 or the second wireless device 1704 can transmit on the operating channel. A wireless device can transmit on the operating channel when it is determined that the operating channel is available for transmitting a transmit power level for the transmission bandwidth.

[0163] Figure 18 This is a flowchart 1800 of a wireless communication method. The method can be performed by a UE or a component of a UE (e.g., UE 104, 902; first wireless device 1702; device 1902; cellular baseband processor 1904, which may include memory 360, and may be the entire UE 350 or a component of UE 350, such as TX processor 368, RX processor 356, and / or controller / processor 359). The method can be performed by a base station or a component of a base station (e.g., base station 102 / 180, 904; second wireless device 1704; device 1902; cellular baseband processor 1904, which may include memory 376, and may be the entire base station 310 or a component of base station 310, such as TX processor 316, RX processor 370, and / or controller / processor 375). One or more operations shown may be omitted, transposed, or performed simultaneously. The method may allow the wireless device to perform an idle channel assessment, wherein the sensing measurement is performed on a sensing bandwidth different from the final bandwidth of one or more expected transmissions.

[0164] At 1802, the wireless device can measure at least one energy sensing measurement of the operating channel. For example, 1802 can be performed by the measurement component 1940 of device 1902. The wireless device can measure at least one energy sensing measurement of the operating channel within the sensing bandwidth. In some aspects, the wireless device may include a user equipment (UE). In some aspects, the wireless device may include a base station.

[0165] At 1804, the wireless device can determine whether the operating channel is available for transmission. For example, 1804 can be performed by the availability component 1942 of device 1902. The wireless device can determine whether the operating channel is available for transmission based on a sensed threshold for the transmit power level relative to the transmission bandwidth. In some aspects, the transmission bandwidth may differ from the sensed bandwidth.

[0166] At 1806, the wireless device can adjust the sensing threshold. For example, 1806 can be performed by the adjustment component 1944 of device 1902. The wireless device can adjust the sensing threshold based on the sensing bandwidth and the bandwidth occupied by the transmission bandwidth. In some aspects, the sensing threshold can be adjusted to match the sensing bandwidth with the bandwidth occupied by the transmission bandwidth. The bandwidth occupied by the transmission bandwidth can include a portion of the sensing bandwidth. The sensing threshold can be adjusted based on the bandwidth occupied by the transmission bandwidth and the sensing bandwidth. In some aspects, the bandwidth occupied by the transmission bandwidth can be continuous or local. In some aspects, the bandwidth occupied by the transmission bandwidth can include a bandwidth span substantially similar to the sensing bandwidth. In such aspects, the sensing threshold can be adjusted based on the bandwidth span occupied by the transmission bandwidth and the sensing bandwidth. In some aspects, the bandwidth span occupied by the transmission bandwidth can be discontinuous, non-local, or include frequency hopping.

[0167] At 1808, the wireless device can transmit on the operating channel. For example, 1808 can be performed by the channel component 1946 of device 1902. The wireless device can transmit on the operating channel when it is determined that the operating channel is available for transmission of a transmit power level for the transmission bandwidth.

[0168] Figure 19Figure 1900 illustrates an example of a hardware implementation for device 1902. In some aspects, device 1902 is a UE, while in other aspects, device 1902 is a base station. Device 1902 includes a cellular baseband processor 1904 (also referred to as a modem) coupled to a cellular RF transceiver 1922. In the aspect where device 1902 is a UE, device 1902 may include one or more Subscriber Identity Module (SIM) cards 1920, an application processor 1906 coupled to a Secure Digital Card (SD) card 1908 and a screen 1910, a Bluetooth module 1912, a Wireless Local Area Network (WLAN) module 1914, a Global Positioning System (GPS) module 1916, or a power supply 1918. Cellular baseband processor 1904 communicates with UE 104 and / or BS 102 / 180 via cellular RF transceiver 1922. Cellular baseband processor 1904 may include computer-readable media / memory. The computer-readable media / memory may be non-transitory. The cellular baseband processor 1904 is responsible for general processing, including executing software stored on a computer-readable medium / memory. When executed by the cellular baseband processor 1904, the software causes the cellular baseband processor 1904 to perform the various functions described above. The computer-readable medium / memory can also be used to store data manipulated by the cellular baseband processor 1904 during software execution. The cellular baseband processor 1904 also includes a receiving component 1930, a communication manager 1932, and a transmitting component 1934. The communication manager 1932 includes one or more of the components shown. The components within the communication manager 1932 can be stored in a computer-readable medium / memory and / or configured as hardware within the cellular baseband processor 1904. In some aspects, the cellular baseband processor 1904 can be a component of the UE 350 and can include at least one of a TX processor 368, an RX processor 356, and a controller / processor 359 and / or a memory 360. In one configuration, device 1902 may be a modem chip and include only baseband processor 1904, while in another configuration, device 1902 may be the entire UE (e.g., see...). Figure 3 (350) and includes the other modules of the aforementioned device 1902. In some aspects, the cellular baseband processor 1904 may be a component of the base station 310 and may include at least one of the TX processor 316, the RX processor 370 and the controller / processor 375 and / or the memory 376.

[0169] Communication manager 1932 includes measurement component 1940, which is configured to measure at least one energy sensing measurement of the operating channel, for example, as in combination with Figure 18As described in 1802. The communication manager 1932 also includes an availability component 1942, which is configured to determine whether the operating channel is available for transmission, for example, as in conjunction with... Figure 18 As described in 1804. The communication manager 1932 also includes an adjustment component 1944, which is configured to adjust a sensing threshold, for example, as in conjunction with... Figure 18 As described in 1806. The communication manager 1932 also includes a channel component 1946, which is configured to perform transmissions on an operational channel, for example, as in conjunction with... Figure 18 As described in 1808.

[0170] The apparatus may include means for performing Figure 18 Additional components of each block in the algorithm of the aforementioned flowchart. Therefore, Figure 18 Each block in the aforementioned flowchart can be executed by a component, and the apparatus can include one or more of these components. A component can be one or more hardware components specifically configured to perform the stated process / algorithm, implemented by a processor configured to perform the stated process / algorithm, stored in a computer-readable medium for implementation by a processor, or some combination thereof.

[0171] In one configuration, device 1902 (and particularly cellular baseband processor 1904) includes: a unit for measuring at least one energy sensing measurement of an operating channel within a sensing bandwidth. Device 1902 further includes: a unit for determining whether the operating channel is available for transmission based on a sensing threshold for a transmit power level for the transmission bandwidth. Device 1902 further includes: a unit for adjusting the sensing threshold based on the sensing bandwidth and the bandwidth occupied by the transmission bandwidth. Device 1902 further includes: a unit for transmitting on the operating channel when it is determined that the operating channel is available for transmission at a transmit power level for the transmission bandwidth. The aforementioned units may be one or more of the aforementioned components of device 1902 configured to perform the functions described by the aforementioned units. As described above, device 1902 may include TX processor 368, RX processor 356, and controller / processor 359. Therefore, in one configuration, the aforementioned units may be TX processor 368, RX processor 356, and controller / processor 359 configured to perform the functions described by the aforementioned units. As described above, device 1902 may include TX processor 316, RX processor 370, and controller / processor 375. Therefore, in one configuration, the aforementioned units may be TX processor 316, RX processor 370, and controller / processor 375 configured to perform the functions described therethrough.

[0172] It should be understood that the specific order or hierarchy of the blocks in the disclosed process / flowchart is illustrative of the example method. It should be understood that the specific order or hierarchy of the blocks in the process / flowchart can be rearranged based on design preferences. Furthermore, some blocks can be combined or omitted. The appended method claims give the elements of various blocks in the example order and are not intended to be limited to the specific order or hierarchy given.

[0173] The preceding description is provided to enable those skilled in the art to practice the various aspects described herein. Various modifications to these aspects will be apparent to those skilled in the art, and the general principles defined herein may be applied to other aspects. Therefore, the claims are not limited to the aspects shown herein, but are to be given the full scope consistent with the language of the claims, wherein, unless specifically stated otherwise, the application of the singular element is not intended to mean “one and only one,” but rather “one or more.” The word “exemplary” is used herein to mean “serving as an example, instance, or illustration.” Any aspect described herein as “exemplary” is not necessarily to be construed as preferred or superior to other aspects. Unless otherwise specifically stated, the term “some” refers to one or more. For example, combinations such as “at least one of A, B, or C,” “one or more of A, B, or C,” “at least one of A, B, and C,” “one or more of A, B, and C,” and “A, B, C, or any combination thereof” include any combination of A, B, and / or C, and may include multiple A, multiple B, or multiple C. Specifically, combinations such as "at least one of A, B, or C," "one or more of A, B, or C," "at least one of A, B, and C," "one or more of A, B, and C," and "A, B, C, or any combination thereof" can be only A, only B, only C, A and B, A and C, B and C, or A and B and C, wherein any such combination may contain one or more members of A, B, or C. All structural and functional equivalents of the elements throughout the various aspects described in this disclosure are expressly incorporated herein by reference and are intended to be covered by the claims, and such structural and functional equivalents are well known or will be known to those skilled in the art. Furthermore, the disclosure herein is not intended to be offered to the public, whether or not such disclosure is expressly stated in the claims. The terms "module," "apparatus," "element," "device," etc., are not substitutes for the term "unit." Therefore, no claim element is to be interpreted as a functional module unless the element is expressly stated using the phrase "unit for..."

[0174] The following aspects are illustrative only and may be combined with, but not limited to, other aspects or teachings described herein.

[0175] Aspect 1 is an apparatus for wireless communication at a UE including at least one processor, the at least one processor being coupled to a memory and configured to: determine an energy detection threshold for a reference bandwidth, the energy detection threshold being based on at least one of transmit power or power level; measure an interference level of at least one signal; adjust the energy detection threshold for the reference bandwidth based on a sensing bandwidth; and determine whether a transmission medium is available based on at least one of the adjusted energy detection threshold or the measured interference level of at least one signal.

[0176] Aspect 2 is the apparatus according to aspect 1, wherein at least one processor is further configured to compare the adjusted energy detection threshold with the interference level of at least one measured signal.

[0177] Aspect 3 is the apparatus according to any of aspects 1 and 2, wherein the transmission medium is available when the interference level of at least one measured signal is less than an adjusted energy detection threshold.

[0178] Aspect 4 is an apparatus according to any one of aspects 1 to 3, wherein at least one processor is further configured to transmit data via a transmission medium when the interference level of at least one measured signal is less than an adjusted energy detection threshold.

[0179] Aspect 5 is an apparatus according to any one of aspects 1 to 4, wherein at least one processor is further configured to avoid transmitting data via a transmission medium when the interference level of at least one measured signal is greater than or equal to an adjusted energy detection threshold.

[0180] Aspect 6 is an apparatus according to any one of aspects 1 to 5, wherein the transmission medium corresponds to one or more transmission time slots, and the interference level of the measured at least one signal corresponds to one or more contention time slots.

[0181] Aspect 7 is the apparatus according to any one of aspects 1 to 6, wherein the energy detection threshold is increased as the sensing bandwidth increases.

[0182] Aspect 8 is the apparatus according to any one of aspects 1 to 7, wherein the energy detection threshold is reduced when the sensing bandwidth increases.

[0183] Aspect 9 is the apparatus according to any of aspects 1 to 8, wherein the energy detection threshold corresponds to a non-increasing function having a minimum threshold.

[0184] Aspect 10 is an apparatus according to any of aspects 1 to 9, wherein the energy detection threshold corresponds to a non-decreasing function having a maximum threshold.

[0185] Aspect 11 is the apparatus according to any one of aspects 1 to 10, wherein the energy detection threshold increases before the peak and decreases after the peak.

[0186] Aspect 12 is the apparatus according to any of aspects 1 to 11, wherein the energy detection threshold is adjusted based on at least one active bandwidth portion (BWP) bandwidth associated with the reference bandwidth.

[0187] Aspect 13 is the apparatus according to any one of aspects 1 to 12, wherein the reference bandwidth is received from the base station.

[0188] Aspect 14 is the apparatus according to any one of aspects 1 to 13, wherein the reference bandwidth is obtained by the UE and the adjusted energy detection threshold is received from the base station.

[0189] Aspect 15 is the apparatus according to any of aspects 1 to 14, wherein the energy detection threshold is adjusted based on the union of one or more configured bandwidth portions (BWP) bandwidths associated with a reference bandwidth.

[0190] Aspect 16 is the apparatus according to any of aspects 1 to 15, wherein the energy detection threshold is adjusted based on at least one active bandwidth portion (BWP) bandwidth associated with the network operating channel bandwidth.

[0191] Aspect 17 is the apparatus according to any one of aspects 1 to 16, wherein the network operation channel bandwidth is received from the base station.

[0192] Aspect 18 is an apparatus according to any one of aspects 1 to 17, wherein the network operation channel bandwidth is obtained by the UE and the adjusted energy detection threshold is received from the base station.

[0193] Aspect 19 is an apparatus according to any one of aspects 1 to 18, and further includes a transceiver coupled to at least one processor.

[0194] Aspect 20 is for implementing the wireless communication method described in any of aspects 1-19.

[0195] Aspect 21 is an apparatus for wireless communication, including units for implementing any aspect of aspects 1-19.

[0196] Aspect 22 is a computer-readable medium storing computer-executable code, wherein the code, when executed by a processor, causes the processor to implement any of aspects 1-19.

[0197] Aspect 23 is an apparatus for wireless communication at a base station including at least one processor, the at least one processor being coupled to a memory and configured to: determine an energy detection threshold for a reference bandwidth, the energy detection threshold being based on at least one of transmit power or power level; measure an interference level of at least one signal; adjust the energy detection threshold for the reference bandwidth based on a sensing bandwidth; and determine whether a transmission medium is available based on at least one of the adjusted energy detection threshold or the measured interference level of at least one signal.

[0198] Aspect 24 is the apparatus according to aspect 23, wherein at least one processor is further configured to compare the adjusted energy detection threshold with the interference level of at least one measured signal.

[0199] Aspect 25 is the apparatus according to any of aspects 23 and 24, wherein the transmission medium is available when the interference level of at least one measured signal is less than an adjusted energy detection threshold.

[0200] Aspect 26 is the apparatus according to any of aspects 23 to 25, wherein at least one processor is further configured to transmit data via a transmission medium when the interference level of at least one measured signal is less than an adjusted energy detection threshold.

[0201] Aspect 27 is an apparatus according to any of aspects 23 to 26, wherein at least one processor is further configured to avoid transmitting data via a transmission medium when the interference level of at least one measured signal is greater than or equal to an adjusted energy detection threshold.

[0202] Aspect 28 is an apparatus according to any of aspects 23 to 27, wherein the transmission medium corresponds to one or more transmission time slots, and the interference level of the measured at least one signal corresponds to one or more contention time slots.

[0203] Aspect 29 is the apparatus according to any of aspects 23 to 28, wherein the energy detection threshold is increased as the sensing bandwidth increases.

[0204] Aspect 30 is the apparatus according to any of aspects 23 to 29, wherein the energy detection threshold is reduced when the sensing bandwidth increases.

[0205] Aspect 31 is the apparatus according to any of aspects 23 to 30, wherein the energy detection threshold corresponds to a non-increasing function having a minimum threshold.

[0206] Aspect 32 is the apparatus according to any of aspects 23 to 31, wherein the energy detection threshold corresponds to a non-decreasing function having a maximum threshold.

[0207] Aspect 33 is the apparatus according to any of aspects 23 to 32, wherein the energy detection threshold increases before the peak and decreases after the peak.

[0208] Aspect 34 is the apparatus according to any of aspects 23 to 33, wherein the energy detection threshold is adjusted based on at least one active bandwidth portion (BWP) bandwidth associated with the reference bandwidth.

[0209] Aspect 35 is the apparatus according to any of aspects 23 to 34, wherein the reference bandwidth is obtained by the base station.

[0210] Aspect 36 is the apparatus according to any of aspects 23 to 35, wherein the reference bandwidth is received from the UE and the adjusted energy detection threshold is obtained by the base station.

[0211] Aspect 37 is the apparatus according to any of aspects 23 to 36, wherein the energy detection threshold is adjusted based on the union of one or more configured bandwidth portions (BWP) bandwidths associated with a reference bandwidth.

[0212] Aspect 38 is the apparatus according to any of aspects 23 to 37, wherein the energy detection threshold is adjusted based on at least one active bandwidth portion (BWP) bandwidth associated with the network operating channel bandwidth.

[0213] Aspect 39 is the apparatus according to any of aspects 23 to 38, wherein the network operating channel bandwidth is obtained by the base station.

[0214] Aspect 40 is the apparatus according to any of aspects 23 to 39, wherein the network operation channel bandwidth is received from the UE and the adjusted energy detection threshold is obtained by the base station.

[0215] Aspect 41 is the apparatus according to any of aspects 23 to 40, and further includes a transceiver coupled to at least one processor.

[0216] Aspect 42 is a wireless communication method for implementing any aspect of aspects 23-41.

[0217] Aspect 43 is an apparatus for wireless communication, which includes units for implementing any aspect of aspects 23-41.

[0218] Aspect 44 is a computer-readable medium storing computer-executable code, wherein the code, when executed by a processor, causes the processor to implement any of aspects 23-41.

[0219] Aspect 45 is an apparatus for wireless communication at a wireless device, comprising at least one processor coupled to a memory and configured to: measure at least one energy sensing measurement of an operating channel within a sensing bandwidth; determine whether the operating channel is available for transmission based on a sensing threshold for a transmit power level for a transmission bandwidth; adjust the sensing threshold based on the sensing bandwidth and the bandwidth occupied by the transmission bandwidth; and, when it is determined that the operating channel is available for transmission, transmit power level for a transmission bandwidth, perform transmission on the operating channel.

[0220] Aspect 46 is the apparatus according to aspect 45, wherein the transmission bandwidth is different from the sensing bandwidth.

[0221] Aspect 47 is an apparatus according to any of aspects 45 and 46, wherein the sensing threshold is adjusted to match the sensing bandwidth with the bandwidth occupied by the transmission bandwidth.

[0222] Aspect 48 is the apparatus according to any of aspects 45 to 47, wherein the bandwidth occupied by the transmission bandwidth includes a portion of the sensing bandwidth.

[0223] Aspect 49 is the apparatus according to any of aspects 45 to 48, wherein the sensing threshold is adjusted based on the bandwidth occupied by the transmission bandwidth and the sensing bandwidth.

[0224] Aspect 50 is an apparatus according to any of aspects 45 to 49, wherein the bandwidth occupied by the transmission bandwidth is continuous or local.

[0225] Aspect 51 is the apparatus according to any of aspects 45 to 50, wherein the bandwidth occupied by the transmission bandwidth includes a bandwidth span substantially similar to that of the sensing bandwidth.

[0226] Aspect 52 is the apparatus according to any of aspects 45 to 51, wherein the sensing threshold is adjusted based on the bandwidth span occupied by the transmission bandwidth and the sensing bandwidth.

[0227] Aspect 53 is an apparatus according to any of aspects 45 to 52, wherein the bandwidth span occupied by the transmission bandwidth is discontinuous, non-local, or includes frequency hopping.

[0228] Aspect 54 is the apparatus according to any of aspects 45 to 53, wherein the wireless device includes a user equipment (UE).

[0229] Aspect 55 is the apparatus according to any of aspects 45 to 54, wherein the wireless device includes a base station.

[0230] Aspect 56 is the apparatus according to any of aspects 45 to 55, and further includes a transceiver coupled to at least one processor.

[0231] Aspect 57 is a wireless communication method for implementing any aspect of aspects 45-56.

[0232] Aspect 58 is a device for wireless communication, which includes units for implementing any aspect of aspects 45-56.

[0233] Aspect 59 is a computer-readable medium that stores computer-executable code, wherein the code, when executed by a processor, causes the processor to implement any of aspects 45-56.

Claims

1. A method for wireless communication at a user equipment (UE), comprising: A reference bandwidth energy detection threshold is determined, the energy detection threshold being based on at least one of transmit power or power level; Measure the interference level of at least one signal; The energy detection threshold of the reference bandwidth is adjusted based on the sensing bandwidth; as well as The availability of the transmission medium is determined based on at least one of the adjusted energy detection threshold or the measured interference level of the at least one signal, wherein the energy detection threshold increases before the peak and decreases after the peak, and wherein the energy detection threshold is adjusted based on the union of one or more configured bandwidth portion (BWP) bandwidths associated with the reference bandwidth.

2. The method according to claim 1, further comprising: The adjusted energy detection threshold is compared with the interference level of the measured at least one signal.

3. The method according to claim 2, wherein, The transmission medium is usable when the interference level of the at least one measured signal is less than the adjusted energy detection threshold.

4. The method according to claim 1, further comprising: Data is transmitted via the transmission medium when the interference level of the at least one measured signal is less than the adjusted energy detection threshold.

5. The method according to claim 1, further comprising: When the interference level of the at least one measured signal is greater than or equal to the adjusted energy detection threshold, data transmission via the transmission medium shall be avoided.

6. The method according to claim 1, wherein, The transmission medium corresponds to one or more transmission time slots, and the measured interference level of the at least one signal corresponds to one or more contention time slots.

7. The method according to claim 1, wherein, When the sensing bandwidth increases, the energy detection threshold is increased; or Specifically, when the sensing bandwidth increases, the energy detection threshold decreases.

8. The method according to claim 1, wherein, The energy detection threshold is adjusted based on at least one active bandwidth portion (BWP) bandwidth associated with the reference bandwidth, wherein the reference bandwidth is received from the base station, wherein the reference bandwidth is obtained by the UE, and the adjusted energy detection threshold is received from the base station.

9. The method according to claim 1, wherein, The energy detection threshold is adjusted based on at least one active bandwidth portion (BWP) bandwidth associated with the network operation channel bandwidth, wherein the network operation channel bandwidth is received from the base station, wherein the network operation channel bandwidth is obtained by the UE, and the adjusted energy detection threshold is received from the base station.

10. An apparatus for wireless communication at a user equipment (UE), comprising: Memory; as well as At least one processor, coupled to the memory, is configured to: A reference bandwidth energy detection threshold is determined, the energy detection threshold being based on at least one of transmit power or power level; Measure the interference level of at least one signal; The energy detection threshold of the reference bandwidth is adjusted based on the sensing bandwidth; as well as The availability of the transmission medium is determined based on at least one of the adjusted energy detection threshold or the measured interference level of the at least one signal, wherein the energy detection threshold increases before the peak and decreases after the peak, and wherein the energy detection threshold is adjusted based on the union of one or more configured bandwidth portion (BWP) bandwidths associated with the reference bandwidth.

11. The apparatus according to claim 10, wherein, The at least one processor is further configured to: The adjusted energy detection threshold is compared with the interference level of the measured at least one signal.

12. The apparatus according to claim 11, wherein, The transmission medium is usable when the interference level of the at least one measured signal is less than the adjusted energy detection threshold.

13. The apparatus according to claim 10, wherein, The at least one processor is further configured to: When the interference level of the at least one measured signal is less than the adjusted energy detection threshold, data is transmitted via the transmission medium, and the apparatus further includes a transceiver coupled to the at least one processor.

14. The apparatus according to claim 10, wherein, The at least one processor is further configured to: When the interference level of the at least one measured signal is greater than or equal to the adjusted energy detection threshold, data transmission via the transmission medium shall be avoided.

15. The apparatus according to claim 10, wherein, The transmission medium corresponds to one or more transmission time slots, and the measured interference level of the at least one signal corresponds to one or more contention time slots.

16. The apparatus according to claim 10, wherein, When the sensing bandwidth increases, the energy detection threshold is increased; or Specifically, when the sensing bandwidth increases, the energy detection threshold decreases.

17. The apparatus according to claim 10, wherein, The energy detection threshold is adjusted based on at least one active bandwidth portion (BWP) bandwidth associated with the reference bandwidth, wherein the reference bandwidth is received from the base station, wherein the reference bandwidth is obtained by the UE, and the adjusted energy detection threshold is received from the base station.

18. The apparatus according to claim 10, wherein, The energy detection threshold is adjusted based on at least one active bandwidth portion (BWP) bandwidth associated with the network operation channel bandwidth, wherein the network operation channel bandwidth is received from the base station, wherein the network operation channel bandwidth is obtained by the UE, and the adjusted energy detection threshold is received from the base station.

19. A method for wireless communication at a base station, comprising: A reference bandwidth energy detection threshold is determined, the energy detection threshold being based on at least one of transmit power or power level; Measure the interference level of at least one signal; The energy detection threshold of the reference bandwidth is adjusted based on the sensing bandwidth; as well as The availability of the transmission medium is determined based on at least one of the adjusted energy detection threshold or the measured interference level of the at least one signal, wherein the energy detection threshold increases before the peak and decreases after the peak, and wherein the energy detection threshold is adjusted based on the union of one or more configured bandwidth portion (BWP) bandwidths associated with the reference bandwidth.

20. The method of claim 19, further comprising: The adjusted energy detection threshold is compared with the interference level of the measured at least one signal.

21. The method of claim 19, further comprising: Data is transmitted via the transmission medium when the interference level of the at least one measured signal is less than the adjusted energy detection threshold.

22. The method of claim 19, further comprising: When the interference level of the at least one measured signal is greater than or equal to the adjusted energy detection threshold, data transmission via the transmission medium shall be avoided.

23. An apparatus for wireless communication at a base station, comprising: Memory; as well as At least one processor, coupled to the memory, is configured to: A reference bandwidth energy detection threshold is determined, the energy detection threshold being based on at least one of transmit power or power level; Measure the interference level of at least one signal; The energy detection threshold of the reference bandwidth is adjusted based on the sensing bandwidth; as well as The availability of the transmission medium is determined based on at least one of the adjusted energy detection threshold or the measured interference level of the at least one signal, wherein the energy detection threshold increases before the peak and decreases after the peak, and wherein the energy detection threshold is adjusted based on the union of one or more configured bandwidth portion (BWP) bandwidths associated with the reference bandwidth.

24. The apparatus according to claim 23, wherein, The at least one processor is further configured to: The adjusted energy detection threshold is compared with the interference level of the measured at least one signal.

25. The apparatus according to claim 23, wherein, The at least one processor is further configured to: When the interference level of the at least one measured signal is less than the adjusted energy detection threshold, data is transmitted via the transmission medium, and the apparatus further includes a transceiver coupled to the at least one processor.

26. The apparatus according to claim 23, wherein, The at least one processor is further configured to: When the interference level of the at least one measured signal is greater than or equal to the adjusted energy detection threshold, data transmission via the transmission medium shall be avoided.

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