Hybrid frequency repeater for multi-hop link

Abstract

Aspects of the present disclosure generally relate to wireless communications. In some aspects, a repeater may receive, via a first frequency band, a first one or more signals for communications associated with a multi-hop link, where the first one or more signals are associated with first one or more communication parameters that result in a data capacity of the first one or more signals. The repeater may perform actions to adjust the first one or more communication parameters to second one or more communication parameters to transmit via a second frequency band, the second one or more communication parameters causing the data capacity to be maintained. The repeater may transmit, via the second frequency band, second one or more signals of the communication using the second one or more communication parameters. Numerous other aspects are described.

Description

[0001] CROSS-REFERENCE TO RELATED APPLICATIONS

[0002] This patent application claims priority to U.S. non-provisional patent application No. 18 / 050,162, filed on October 27, 2022, entitled “HYBRID FREQUENCY REPEATERFOR A MULTIPLE HOP LINK,” which is hereby expressly incorporated herein by reference. Technical Field

[0003] Aspects of the present disclosure relate generally to wireless communications, and to techniques and apparatus associated with mixed frequency repeaters for multi-hop links. Background Art

[0004] Wireless communication systems are widely deployed to provide a variety of telecommunication services, such as telephony, video, data, messaging, and broadcasting. Typical wireless communication systems may employ multiple access technologies that can support communication with multiple users by sharing available system resources (e.g., bandwidth, transmit power, etc.). 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, time division synchronous code division multiple access (TD-SCDMA) systems, and long term evolution (LTE). LTE / LTE-Advanced is a set of enhancements to the Universal Mobile Telecommunications System (UMTS) mobile standard promulgated by the Third Generation Partnership Project (3GPP).

[0005] A wireless network may include one or more network nodes that support communications for wireless communication devices, such as user equipment (UE) or multiple UEs. The UE may communicate with the network node via downlink communications and uplink communications. A "downlink" (or "DL") refers to a communication link from a network node to a UE, and an "uplink" (or "UL") refers to a communication link from a UE to a network node. Some wireless networks may support device-to-device communications, such as via a local link (e.g., a side link (SL), a wireless local area network (WLAN) link, and / or a wireless personal area network (WPAN) link, etc.).

[0006] The above-mentioned multiple access technologies have been adopted in various telecommunication standards to provide a common protocol that enables different UEs to communicate at a city, country, region, and / or global level. New Radio (NR), which may be referred to as 5G, is a set of enhancements to the LTE mobile standard promulgated by 3GPP. NR is designed to better support mobile broadband Internet access by using orthogonal frequency division multiplexing (OFDM) with cyclic prefix (CP) (CP-OFDM) on the downlink, CP-OFDM and / or single carrier frequency division multiplexing (SC-FDM) (also known as discrete Fourier transform spread OFDM (DFT-s-OFDM)) on the uplink, and supporting beamforming, multiple input multiple output (MIMO) antenna technology and carrier aggregation to improve spectrum efficiency, reduce costs, improve services, utilize new spectrum, and better integrate with other open standards. As the demand for mobile broadband access continues to increase, further improvements in LTE, NR and other radio access technologies remain useful. Summary of the invention

[0007] Some aspects described herein relate to a repeater for wireless communication. The repeater may include: a memory; and one or more processors, the one or more processors coupled to the memory. The one or more processors may be configured to receive a first one or more signals of a communication associated with a multi-hop link via a first frequency band, wherein the first one or more signals are associated with a first one or more communication parameters that result in a data capacity of the first one or more signals. The one or more processors may be configured to perform an action to adjust the first one or more communication parameters to a second one or more communication parameters for transmission via a second frequency band, the second one or more communication parameters enabling the data capacity to be maintained. The one or more processors may be configured to send a second one or more signals of the communication via the second frequency band and via the multi-hop link using the second one or more communication parameters.

[0008] Some aspects described herein relate to a method of wireless communication performed by a repeater. The method may include receiving a first one or more signals of a communication associated with a multi-hop link via a first frequency band, wherein the first one or more signals are associated with a first one or more communication parameters that result in a data capacity of the first one or more signals. The method may include performing an action to adjust the first one or more communication parameters to a second one or more communication parameters for transmission via a second frequency band, the second one or more communication parameters causing the data capacity to be maintained. The method may include transmitting a second one or more signals of the communication via the second frequency band and via the multi-hop link using the second one or more communication parameters.

[0009] Some aspects described herein relate to a non-transitory computer-readable medium storing an instruction set for wireless communication by a repeater. The instruction set, when executed by one or more processors of the repeater, may cause the repeater to receive a first one or more signals of a communication associated with a multi-hop link via a first frequency band, wherein the first one or more signals are associated with a first one or more communication parameters that result in a data capacity of the first one or more signals. The instruction set, when executed by one or more processors of the repeater, may cause the repeater to perform an action to adjust the first one or more communication parameters to a second one or more communication parameters for transmission via a second frequency band, wherein the second one or more communication parameters maintain the data capacity. The instruction set, when executed by one or more processors of the repeater, may cause the repeater to send a second one or more signals of the communication via the second frequency band and via the multi-hop link using the second one or more communication parameters.

[0010] Some aspects described herein relate to an apparatus for wireless communication. The apparatus may include components for receiving a first one or more signals of a communication associated with a multi-hop link via a first frequency band, wherein the first one or more signals are associated with a first one or more communication parameters that result in a data capacity of the first one or more signals. The apparatus may include components for performing an action to adjust the first one or more communication parameters to a second one or more communication parameters for transmission via a second frequency band, wherein the second one or more communication parameters enable the data capacity to be maintained. The apparatus may include components for transmitting a second one or more signals of the communication via the second frequency band and via the multi-hop link using the second one or more communication parameters.

[0011] Aspects generally include methods, apparatus, systems, computer program products, non-transitory computer-readable media, user equipment, base stations, network entities, network nodes, wireless communication devices and / or processing systems as fully described herein with reference to the accompanying drawings and description and as illustrated in the accompanying drawings and description.

[0012] The features and technical advantages of examples according to the present disclosure have been outlined quite broadly above so that the following specific embodiments may be better understood. Additional features and advantages will be described below. The disclosed concepts and specific examples may be easily used as a basis for modifying or designing other structures for achieving the same purpose of the present disclosure. Such equivalent constructions do not depart from the scope of the appended claims. The characteristics of the concepts disclosed herein, both in terms of their organization and method of operation, and the associated advantages will be better understood by considering the following description in conjunction with the accompanying drawings. Each of the figures in the accompanying drawings is provided for the purpose of illustration and description and not as a definition of limitations to the claims.

[0013] Although various aspects are described in the present disclosure by illustrating some examples, it will be understood by those skilled in the art that such aspects can be implemented in many different arrangements and scenarios. The technology described herein can be implemented using different platform types, devices, systems, shapes, sizes and / or packaging arrangements. For example, some aspects can be implemented via integrated chip implementations or other devices based on non-module components (e.g., end-user devices, vehicles, communication equipment, computing equipment, industrial equipment, retail / shopping equipment, medical equipment and / or artificial intelligence devices). Various aspects can be implemented in chip-level components, modular components, non-modular components, non-chip-level components, device-level components and / or system-level components. The devices incorporating the various aspects and features described may include additional components and features for implementing and practicing the various aspects claimed and described. For example, the transmission and reception of wireless signals may include one or more components for analog and digital purposes (e.g., hardware components, including antennas, radio frequency (RF) chains, power amplifiers, modulators, buffers, processors, interleavers, adders and / or summers). The various aspects described herein are intended to be practiced in a variety of devices, components, systems, distributed arrangements and / or end-user devices of various sizes, shapes and configurations. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] In order to fully understand the above-mentioned features of the present disclosure, a more specific description of the invention briefly summarized above can be obtained by referring to various aspects (some of which are illustrated in the accompanying drawings). However, it should be noted that the accompanying drawings only illustrate certain typical aspects of the present disclosure and are therefore not to be considered as limiting the scope thereof, as the specification may admit of other equally effective aspects. The same reference numerals in different drawings may identify the same or similar elements.

[0015] Figure 1 is a diagram illustrating an example of a wireless network according to the present disclosure.

[0016] Figure 2 is a diagram illustrating an example of communication between a network node and a user equipment (UE) in a wireless network according to the present disclosure.

[0017] Figure 3 is a diagram illustrating an example decomposed base station architecture according to the present disclosure.

[0018] Figure 4 is a diagram illustrating an example of carrier aggregation according to the present disclosure.

[0019] Figure 5 is a diagram illustrating an example of network deployment according to the present disclosure.

[0020] Figures 6 to 8 is a diagram of an example associated with a mixed frequency repeater for a multi-hop link according to the present disclosure.

[0021] Fig. 9 is a diagram illustrating an example process performed, for example, by a repeater according to the present disclosure.

[0022] Fig.10 is a diagram of an example apparatus for wireless communications according to the present disclosure. DETAILED DESCRIPTION

[0023] The various aspects of the present disclosure are described more fully below with reference to the accompanying drawings. However, the present disclosure can be embodied in many different forms, and should not be construed as being limited to any specific structure or function presented throughout the present disclosure. On the contrary, these aspects are provided so that the present disclosure will be thorough and complete, and the scope of the present disclosure will be fully conveyed to those skilled in the art. It should be understood by those skilled in the art that the scope of the present disclosure is intended to cover any aspect of the present disclosure disclosed herein, whether it is implemented independently or in combination with any other aspect of the present disclosure. For example, any number of aspects set forth herein may be used to implement a device or practice method. In addition, the scope of the present disclosure is intended to cover such devices or methods implemented using other structures, functions, or structures and functions in addition to or different from the various aspects of the disclosure set forth herein. It should be understood that any aspect of the disclosure disclosed herein may be embodied by one or more elements of the claims.

[0024] Several aspects of telecommunication systems will now be presented with reference to various devices and techniques. These devices and techniques will be described in the following detailed description and illustrated in the accompanying drawings by various blocks, modules, components, circuits, steps, processes, algorithms, etc. (collectively referred to as "elements"). These elements can be implemented using hardware, software, or a combination thereof. Whether these elements are implemented as hardware or software depends on the specific application and the design constraints imposed on the overall system.

[0025] Although various aspects may be described herein using terminology generally associated with 5G or new radio (NR) radio access technology (RAT), various aspects of the present disclosure may be applicable to other RATs, such as 3G RAT, 4G RAT, and / or post-5G RATs (e.g., 6G).

[0026] Figure 11 is a diagram illustrating an example of a wireless network 100 according to the present disclosure. The wireless network 100 may be a 5G (e.g., NR) network, a 4G (e.g., Long Term Evolution (LTE)) network, and / or a network after 5G (e.g., 6G), or may include elements of a 5G (e.g., NR) network, a 4G (e.g., Long Term Evolution (LTE)) network, and / or a network after 5G (e.g., 6G), etc. The wireless network 100 may include one or more network nodes 110 (shown as network node 110a, network node 110b, network node 110c, and network node 110d), a user equipment (UE) 120 or multiple UEs 120 (shown as UE 120a, UE 120b, UE 120c, UE 120d, and UE 120e), and / or other entities. The network node 110 is a network node that communicates with the UE 120. As shown in the figure, the network node 110 may include one or more network nodes. For example, the network node 110 may be a converged network node, which means that the converged network node is configured to utilize a radio protocol stack that is physically or logically integrated within a single radio access network (RAN) node (e.g., within a single device or unit). As another example, the network node 110 may be a decomposed network node (sometimes referred to as a decomposed base station), which means that the network node 110 is configured to utilize a protocol stack that is physically or logically distributed between two or more nodes (such as one or more central units (CUs), one or more distributed units (DUs), or one or more radio units (RUs)).

[0027] In some examples, the network node 110 is or includes a network node that communicates with the UE 120 via a radio access link, such as an RU. In some examples, the network node 110 is or includes a network node that communicates with other network nodes 110 via a fronthaul link or a midhaul link, such as a DU. In some examples, the network node 110 is or includes a network node that communicates with other network nodes 110 via a midhaul link or communicates with a core network via a backhaul link, such as a CU. In some examples, the network node 110 (such as an aggregated network node 110 or a decomposed network node 110) may include multiple network nodes, such as one or more RUs, one or more CUs, and / or one or more DUs. The network node 110 may include, for example, an NR base station, an LTE base station, a Node B, an eNB (e.g., in 4G), a gNB (e.g., in 5G), an access point, a transmit receive point (TRP), a DU, a RU, a CU, a mobility element of a network, a core network node, a network element, a network equipment, a RAN node, or a combination thereof. In some examples, network nodes 110 may be interconnected to each other or to one or more other network nodes 110 in wireless network 100 via various types of fronthaul, midhaul, and / or backhaul interfaces (such as direct physical connections, air interfaces, or virtual networks) using any suitable transport network.

[0028] In some examples, the network node 110 may provide communication coverage for a particular geographic area. In the Third Generation Partnership Project (3GPP), the term "cell" may refer to the coverage area of ​​the network node 110 and / or a network node subsystem serving the coverage area, depending on the context in which the term is used. The network node 110 may provide communication coverage for a macro cell, a pico cell, a femto cell, and / or another type of cell. A macro cell may cover a relatively large geographic area (e.g., a radius of several kilometers) and may allow unrestricted access by a UE 120 with a service subscription. A pico cell may cover a relatively small geographic area and may allow unrestricted access by a UE 120 with a service subscription. A femto cell may cover a relatively small geographic area (e.g., a home) and may allow restricted access by a UE 120 associated with the femto cell (e.g., a UE 120 in a closed subscriber group (CSG)). A network node 110 for a macro cell may be referred to as a macro network node. A network node 110 for a pico cell may be referred to as a pico network node. The network node 110 for a femto cell may be referred to as a femto network node or a home network node. Figure 1In the example shown in , network node 110a may be a macro network node for macro cell 102a, network node 110b may be a pico network node for pico cell 102b, and network node 110c may be a femto network node for femto cell 102c. The network node may support one or more (e.g., three) cells. In some examples, the cells may not necessarily be stationary, and the geographic area of ​​the cells may move depending on the location of the mobile network node 110 (e.g., a mobile network node).

[0029] In some aspects, the term "base station" or "network node" may refer to a converged base station, a decomposed base station, an integrated access and backhaul (IAB) node, a relay node, or one or more components thereof. For example, in some aspects, a "base station" or "network node" may refer to a CU, a DU, a RU, a near real-time (near-RT) RAN intelligent controller (RIC), or a non-real-time (non-RT) RIC, or a combination thereof. In some aspects, the term "base station" or "network node" may refer to a device configured to perform one or more functions (such as those described herein in conjunction with the network node 110). In some aspects, the term "base station" or "network node" may refer to a plurality of devices configured to perform one or more functions. For example, in some distributed systems, each of a number of different devices (which may be located in the same geographic location or in different geographic locations) may be configured to perform at least a portion of a function, or to repeat the execution of at least a portion of the function, and the term "base station" or "network node" may refer to any one or more of these different devices. In some aspects, the term "base station" or "network node" may refer to one or more virtual base stations or one or more virtual base station functions. For example, in some aspects, two or more base station functions may be instantiated on a single device. In some aspects, the term "base station" or "network node" may refer to one of the base station functions but not the other. In this way, a single device may include more than one base station.

[0030] The wireless network 100 may include one or more relay stations. A relay station is a network node that can receive transmissions of data from an upstream node (e.g., a network node 110 or a UE 120) and transmit transmissions of data to a downstream node (e.g., a UE 120 or a network node 110). A relay station may be a UE 120 that is capable of relaying transmissions for other UEs 120. Figure 1 In the example shown in , a network node 110d (e.g., a relay network node) may communicate with a network node 110a (e.g., a macro network node) and a UE 120d to facilitate communication between the network node 110a and the UE 120d. A network node 110 that relays communications may be referred to as a relay station, a relay base station, a relay network node, a relay node, a relay, etc. A relay station may also be referred to herein as a relay.

[0031] The wireless network 100 may be a heterogeneous network that includes different types of network nodes 110, such as macro network nodes, pico network nodes, femto network nodes, relay network nodes, etc. These different types of network nodes 110 may have different transmit power levels, different coverage areas, and / or different impacts on interference in the wireless network 100. For example, a macro network node may have a high transmit power level (e.g., 5 watts to 40 watts), while a pico network node, a femto network node, and a relay network node may have a lower transmit power level (e.g., 0.1 watt to 2 watts).

[0032] The network controller 130 may be coupled to or in communication with a set of network nodes 110 and may provide coordination and control for the network nodes 110. The network controller 130 may communicate with the network nodes 110 via a backhaul communication link or a midhaul communication link. The network nodes 110 may also communicate directly with each other or indirectly via a wireless backhaul communication link or a wired backhaul communication link. In some aspects, the network controller 130 may be or may include a CU or a core network device.

[0033] UE 120 can be distributed throughout the wireless network 100, and each UE 120 can be stationary or mobile. UE 120 can include, for example, an access terminal, a terminal, a mobile station, and / or a subscriber unit. UE 120 can be a cellular phone (e.g., a smart phone), a personal digital assistant (PDA), a wireless modem, a wireless communication device, a handheld device, a laptop computer, a cordless phone, a wireless local loop (WLL) station, a tablet computer, a camera, a gaming device, a netbook, a smartbook, an ultrabook, a medical device, a biometric device, a wearable device (e.g., a smart watch, smart clothing, smart glasses, a smart wristband, smart jewelry (e.g., a smart ring or a smart bracelet)), an entertainment device (e.g., a music device, a video device, and / or a satellite radio), a vehicle component or sensor, a smart meter / sensor, an industrial manufacturing equipment, a global positioning system device, a UE function of a network node, and / or any other suitable device configured to communicate via a wireless or wired medium.

[0034] Some UEs 120 may be considered as machine type communication (MTC) or evolved or enhanced machine type communication (eMTC) UEs. MTC UEs and / or eMTC UEs may include, for example, robots, drones, remote devices, sensors, meters, monitors, and / or location tags that may communicate with a network node, another device (e.g., a remote device), or some other entity. Some UEs 120 may be considered as Internet of Things (IoT) devices and / or may be implemented as NB-IoT (narrowband IoT) devices. Some UEs 120 may be considered as customer premises equipment. UE 120 may be included inside a housing that houses components of UE 120, such as a processor component and / or a memory component. In some examples, the processor component and the memory component may be coupled together. For example, a processor component (e.g., one or more processors) and a memory component (e.g., a memory) may be operably coupled, communicatively coupled, electronically coupled, and / or electrically coupled.

[0035] In general, any number of wireless networks 100 may be deployed in a given geographic area. Each wireless network 100 may support a specific RAT and may operate on one or more frequencies. RAT may be referred to as a radio technology, air interface, etc. Frequency may be referred to as a carrier, frequency channel, etc. Each frequency may support a single RAT in a given geographic area to avoid interference between wireless networks of different RATs. In some cases, NR or 5G RAT networks may be deployed.

[0036] In some examples, two or more UEs 120 (e.g., shown as UE 120a and UE 120e) may communicate directly (e.g., without using network node 110 as an intermediary to communicate with each other) using one or more side link channels. For example, UE 120 may communicate using peer-to-peer (P2P) communication, device-to-device (D2D) communication, vehicle-to-everything (V2X) protocols (e.g., which may include vehicle-to-vehicle (V2V) protocols, vehicle-to-infrastructure (V2I) protocols, or vehicle-to-pedestrian (V2P) protocols), and / or mesh networks. In such examples, UE 120 may perform scheduling operations, resource selection operations, and / or other operations described elsewhere herein as being performed by network node 110.

[0037] The devices of the wireless network 100 may communicate using an electromagnetic spectrum that may be subdivided into various categories, bands, channels, etc., based on frequency or wavelength. For example, the devices of the wireless network 100 may communicate using one or more operating bands. In 5G NR, two initial operating bands have been identified as frequency range designations FR1 (410 MHz–7.125 GHz) and FR2 (24.25 GHz–52.6 GHz). It should be understood that, although a portion of FR1 is greater than 6 GHz, FR1 is often (interchangeably) referred to as the “below 6 GHz” band in various documents and articles. A similar naming issue sometimes occurs with respect to FR2, which is often (interchangeably) referred to as the “millimeter wave” band in documents and articles, despite being different from the extremely high frequency (EHF) band (30 GHz–300 GHz) identified as the “millimeter wave” band by the International Telecommunication Union (ITU).

[0038] Frequencies between FR1 and FR2 are generally referred to as mid-band frequencies. Recent 5G NR research has identified operating bands for these mid-band frequencies as frequency range designation FR3 (7.125 GHz–24.25 GHz). Bands falling within FR3 may inherit FR1 characteristics and / or FR2 characteristics, and thus may effectively extend the features of FR1 and / or FR2 to mid-band frequencies. In addition, higher frequency bands are currently being explored to extend 5G NR operations beyond 52.6 GHz. For example, three higher operating bands have been identified as frequency range designations FR4a or FR4-1 (52.6 GHz–71 GHz), FR4 (52.6 GHz–114.25 GHz), and FR5 (114.25 GHz–300 GHz). Each of these higher frequency bands falls within the EHF band. In some examples, the higher frequency bands may include sub-terahertz (sub-THz) frequency bands. Sub-THz frequency bands may include frequencies included in FR4a, FR4-1, FR4, FR5, or higher frequencies. For example, the sub-THz frequency band may include frequencies greater than 100 GHz. In some cases, the sub-THz frequency band may include frequencies in the range of 90 GHz-300 GHz.

[0039] In view of the above examples, unless otherwise specifically stated, it should be understood that if the term "sub-6 GHz" or the like is used herein, the term may broadly refer to frequencies that may be below 6 GHz, may be within FR1, or may include mid-band frequencies. In addition, unless otherwise specifically stated, it should be understood that if the term "millimeter wave" or the like is used herein, the term may broadly refer to frequencies that may include mid-band frequencies, may be within FR2, FR4, FR4-a or FR4-1, and / or FR5, or may be within the EHF band. It is contemplated that the frequencies included in these operating bands (e.g., FR1, FR2, FR3, FR4, FR4-a, FR4-1, and / or FR5) may be modified, and the techniques described herein are applicable to those modified frequency ranges.

[0040] In some aspects, a repeater (e.g., a relay station) may include a communication manager 140. As described in more detail elsewhere herein, the communication manager 140 may receive a first one or more signals of a communication associated with a multi-hop link via a first frequency band, wherein the first one or more signals are associated with a first one or more communication parameters that result in a data capacity for the first one or more signals; perform an action to adjust the first one or more communication parameters to a second one or more communication parameters for transmission via a second frequency band, wherein the second one or more communication parameters cause the data capacity to be maintained; and transmit the second one or more signals of the communication via the second frequency band and via the multi-hop link using the second one or more communication parameters. Additionally or alternatively, the communication manager 140 may perform one or more other operations described herein.

[0041] As indicated above, Figure 1 are provided as examples. Other examples can be found in the Figure 1 The examples described are different.

[0042] Figure 2 2 is a diagram illustrating an example 200 of a network node 110 communicating with a UE 120 in a wireless network 100 according to the present disclosure. The network node 110 may be equipped with a set of antennas 234a to 234t, such as T antennas (T≥1). The UE 120 may be equipped with a set of antennas 252a to 252r, such as R antennas (R≥1). The network node 110 of example 200 includes one or more radio frequency components, such as an antenna 234 and a modem 254. In some examples, the network node 110 may include an interface, a communication component, or another component that facilitates communication with the UE 120 or another network node. Some network nodes 110 may not include a radio frequency component that facilitates direct communication with the UE 120, such as one or more CUs or one or more DUs.

[0043] At the network node 110, the transmit processor 220 may receive data intended for the UE 120 (or a set of UEs 120) from the data source 212. The transmit processor 220 may select one or more modulation and coding schemes (MCS) for the UE 120 based at least in part on one or more channel quality indicators (CQIs) received from the UE 120. The network node 110 may process (e.g., encode and modulate) the data for the UE 120 based at least in part on the MCS selected for the UE 120, and may provide data symbols for the UE 120. The transmit processor 220 may process system information (e.g., for semi-static resource allocation information (SRPI)) and control information (e.g., CQI requests, grants, and / or upper layer signaling), and provide overhead symbols and control symbols. The transmit processor 220 may generate reference symbols for reference signals (e.g., cell-specific reference signals (CRS) or demodulation reference signals (DMRS)) and synchronization signals (e.g., primary synchronization signals (PSS) or secondary synchronization signals (SSS)). The transmit (TX) multiple-input multiple-output (MIMO) processor 230 may perform spatial processing (e.g., pre-coding) on ​​data symbols, control symbols, overhead symbols, and / or reference symbols, where applicable, and may provide a set of output symbol streams (e.g., T output symbol streams) to a corresponding set of modems 232 (e.g., T modems) (shown as modems 232a to 232t). For example, each output symbol stream may be provided to a modulator component (shown as MOD) of the modem 232. Each modem 232 may process a corresponding output symbol stream (e.g., for OFDM) using a corresponding modulator component to obtain an output sample stream. Each modem 232 may also process (e.g., convert to analog, amplify, filter, and / or up-convert) the output sample stream using a corresponding modulator component to obtain a downlink signal. The modems 232a to 232t may transmit a set of downlink signals (e.g., T downlink signals) via a set of corresponding antennas 234 (e.g., T antennas) (shown as antennas 234a to 234t).

[0044] At the UE 120, a set of antennas 252 (shown as antennas 252a to 252r) may receive downlink signals from the network node 110 and / or other network nodes 110 and may provide a set of received signals (e.g., R received signals) to a set of modems 254 (e.g., R modems) (shown as modems 254a to 254r). For example, each received signal may be provided to a demodulator component (shown as DEMOD) of the modem 254. Each modem 254 may use a corresponding demodulator component to condition (e.g., filter, amplify, downconvert, and / or digitize) the received signal to obtain input samples. Each modem 254 may use a demodulator component to further process the input samples (e.g., for OFDM) to obtain received symbols. A MIMO detector 256 may obtain received symbols from the modem 254, may perform MIMO detection on the received symbols where applicable, and may provide detected symbols. The receive processor 258 may process (e.g., demodulate and decode) the detected symbols, may provide decoded data for the UE 120 to the data sink 260, and may provide decoded control information and system information to the controller / processor 280. The term "controller / processor" may refer to one or more controllers, one or more processors, or a combination thereof. The channel processor may determine a reference signal received power (RSRP) parameter, a received signal strength indicator (RSSI) parameter, a reference signal received quality (RSRQ) parameter, and / or a CQI parameter, among other things. In some examples, one or more components of the UE 120 may be included in the housing 284.

[0045] The network controller 130 may include a communication unit 294, a controller / processor 290, and a memory 292. The network controller 130 may include, for example, one or more devices in a core network. The network controller 130 may communicate with the network node 110 via the communication unit 294.

[0046] One or more antennas (e.g., antennas 234a to 234t and / or antennas 252a to 252r) may include or be included within one or more antenna panels, one or more antenna groups, one or more sets of antenna elements, and / or one or more antenna arrays, etc. Antenna panels, antenna groups, sets of antenna elements, and / or antenna arrays may include one or more antenna elements (in a single housing or multiple housings), sets of coplanar antenna elements, sets of non-coplanar antenna elements, and / or may be coupled to one or more transmit and / or receive components (such as antennas). Figure 2 One or more antenna elements of one or more components).

[0047] On the uplink, at the UE 120, the transmit processor 264 may receive and process data from the data source 262 and control information from the controller / processor 280 (e.g., for reports including RSRP, RSSI, RSRQ, and / or CQI). The transmit processor 264 may generate reference symbols for one or more reference signals. The symbols from the transmit processor 264 may be pre-decoded by the TX MIMO processor 266, where applicable, further processed by the modem 254 (e.g., for DFT-s-OFDM or CP-OFDM), and transmitted to the network node 110. In some examples, the modem 254 of the UE 120 may include a modulator and a demodulator. In some examples, the UE 120 includes a transceiver. The transceiver may include any combination of an antenna 252, a modem 254, a MIMO detector 256, a receive processor 258, a transmit processor 264, and / or a TX MIMO processor 266. The transceiver may be used by a processor (eg, controller / processor 280) and memory 282 to perform the functions described herein (eg, reference Figures 6 to 10 ) any aspects of any of the methods described herein.

[0048] At the network node 110, uplink signals from the UE 120 and / or other UEs may be received by the antenna 234, processed by the modem 232 (e.g., a demodulator component (shown as DEMOD) of the modem 232), detected by the MIMO detector 236 (where applicable), and further processed by the receive processor 238 to obtain decoded data and control information transmitted by the UE 120. The receive processor 238 may provide the decoded data to the data sink 239 and provide the decoded control information to the controller / processor 240. The network node 110 may include a communication unit 244 and may communicate with the network controller 130 via the communication unit 244. The network node 110 may include a scheduler 246 to schedule one or more UEs 120 for downlink communication and / or uplink communication. In some examples, the modem 232 of the network node 110 may include a modulator and a demodulator. In some examples, the network node 110 includes a transceiver. The transceiver may include any combination of antenna 234, modem 232, MIMO detector 236, receive processor 238, transmit processor 220, and / or TX MIMO processor 230. The transceiver may be used by a processor (e.g., controller / processor 240) and memory 242 to perform the functions described herein (e.g., reference 2 Figures 6 to 10 ) aspects of any of the methods described in the foregoing. The controller / processor 240 of the network node 110, the controller / processor 280 of the UE 120 and / or Figure 2Any other components of the may perform one or more techniques associated with a mixed frequency repeater for a multi-hop link, as described in more detail elsewhere herein. In some aspects, the repeater described herein is a network node 110, included in a network node 110, or includes Figure 2 One or more components of the network node 110 shown. Additionally or alternatively, the relay described herein may be a UE 120, may be included in a UE 120, or may include Figure 2 1. One or more components of UE 120 shown in FIG.

[0049] For example, the controller / processor 240 of the network node 110, the controller / processor 280 of the UE 120, and / or Figure 2 Any other component of the Fig. 9 900 and / or operations of other processes as described herein. Memory 242 and memory 282 may store data and program codes for network node 110 and UE 120, respectively. In some examples, memory 242 and / or memory 282 may include a non-transitory computer-readable medium storing one or more instructions (e.g., code and / or program code) for wireless communication. For example, the one or more instructions, when executed by one or more processors of network node 110 and / or UE 120 (e.g., directly executed, or executed after compilation, conversion and / or interpretation), may cause the one or more processors, UE 120 and / or network node 110 to perform or direct, for example, Fig. 9 The process 900 and / or operations of other processes as described herein. In some examples, executing instructions may include running instructions, converting instructions, compiling instructions, and / or interpreting instructions, etc.

[0050] In some aspects, a repeater includes means for receiving a first one or more signals of a communication associated with a multi-hop link via a first frequency band, wherein the first one or more signals are associated with a first one or more communication parameters that result in a data capacity for the first one or more signals; means for performing an action to adjust the first one or more communication parameters to a second one or more communication parameters for transmission via a second frequency band, wherein the second one or more communication parameters enable the data capacity to be maintained; and / or means for transmitting the second one or more signals of the communication via the second frequency band and via the multi-hop link using the second one or more communication parameters. In some aspects, means for the repeater to perform operations described herein may include, for example, one or more of the following: communication manager 140, transmit processor 220, TX MIMO processor 230, modem 232, antenna 234, MIMO detector 236, receive processor 238, controller / processor 240, memory 242, or scheduler 246. In some other aspects, components for the repeater to perform the operations described herein may include, for example, one or more of the following: the communication manager 140, the antenna 252, the modem 254, the MIMO detector 256, the receive processor 258, the transmit processor 264, the TX MIMO processor 266, the controller / processor 280, or the memory 282.

[0051] Although Figure 2 The blocks in the 200 and 210 are illustrated as distinct components, but the functionality described above with respect to these blocks may be implemented in a single hardware, software, or combined component or in various combinations of components. For example, the functionality described with respect to the transmit processor 264, the receive processor 258, and / or the TX MIMO processor 266 may be performed by or under the control of the controller / processor 280.

[0052] As indicated above, Figure 2 are provided as examples. Other examples can be found in the Figure 2 The examples described are different.

[0053] The deployment of a communication system (such as a 5G NR system) can be arranged with various components or parts in a variety of ways. In a 5G NR system or network, a network node, a network entity, a mobility element of a network, a RAN node, a core network node, a network element, a base station, or a network equipment can be implemented in an aggregated or decomposed architecture. For example, a base station (such as a node B (NB), an evolved NB (eNB), an NR base station, a 5G NB, an access point (AP), a TRP, or a cell, etc.) or one or more units (or one or more components) that perform base station functionality can be implemented as an aggregated base station (also called an independent base station or a monolithic base station) or a decomposed base station. "Network entity" or "network node" may refer to a decomposed base station or one or more units of a decomposed base station (such as one or more CUs, one or more DUs, one or more RUs, or a combination thereof).

[0054] An aggregated base station (e.g., an aggregated network node) may be configured to utilize a radio protocol stack that is physically or logically integrated within a single RAN node (e.g., within a single device or unit). A decomposed base station (e.g., a decomposed network node) may be configured to utilize a protocol stack that is physically or logically distributed between two or more units (such as one or more CUs, one or more DUs, or one or more RUs). In some examples, the CU may be implemented within a network node, and one or more DUs may be co-located with the CU, or alternatively, may be geographically or virtually distributed across one or more other network nodes. The DU may be implemented to communicate with one or more RUs. Each of the CU, DU, and RU may also be implemented as a virtual unit, such as a virtual central unit (VCU), a virtual distributed unit (VDU), or a virtual radio unit (VRU), and the like.

[0055] Base station type operations or network designs may take into account the aggregated nature of base station functionality. For example, a decomposed base station may be utilized in an IAB network, an open radio access network (O-RAN (such as a network configuration initiated by the O-RAN Alliance)), or a virtualized radio access network (vRAN, also known as a cloud radio access network (C-RAN)) to facilitate the scaling of a communication system by separating base station functionality into one or more units that can be deployed separately. A decomposed base station may include functionality implemented across two or more units at various physical locations, as well as functionality implemented virtually for at least one unit, which may enable flexibility in network design. Individual units of a decomposed base station may be configured for wired or wireless communication with at least one other unit of the decomposed base station.

[0056] Figure 33 is a diagram illustrating an example disaggregated base station architecture 300 according to the present disclosure. The disaggregated base station architecture 300 may include a CU 310 that may communicate directly with a core network 320 via a backhaul link, or indirectly with the core network 320 through one or more disaggregated control units, such as a near-RT RIC 325 via an E2 link, or a non-RT RIC 315 associated with a service management and orchestration (SMO) framework 305, or both. The CU 310 may communicate with one or more DUs 330 via respective midhaul links, such as via an F1 interface. Each of the DUs 330 may communicate with one or more RUs 340 via respective fronthaul links. Each of the RUs 340 may communicate with one or more UEs 120 via respective radio frequency (RF) access links. In some implementations, a UE 120 may be served simultaneously by multiple RUs 340.

[0057] Each of the units (including CU 310, DU 330, RU 340) and the near-RT RIC 325, non-RT RIC 315, and SMO framework 305 may include or be coupled to one or more interfaces configured to receive or transmit signals, data, or information (collectively referred to as signals) via a wired or wireless transmission medium. Each of the units or an associated processor or controller that provides instructions to one or more communication interfaces of the corresponding unit may be configured to communicate with one or more of the other units via a transmission medium. In some examples, each of the units may include a wired interface and a wireless interface, the wired interface being configured to receive signals or transmit signals to one or more of the other units via a wired transmission medium, the wireless interface being configured to receive signals or transmit signals to one or more of the other units via a wired transmission medium, and the wireless interface being configured to receive signals or transmit signals to one or more of the other units via a wireless transmission medium, or both.

[0058] In some aspects, the CU 310 may host one or more higher layer control functions. Such control functions may include radio resource control (RRC) functions, packet data convergence protocol (PDCP) functions, or service data adaptation protocol (SDAP) functions, etc. Each control function may be implemented using an interface configured to communicate signals with other control functions hosted by the CU 310. The CU 310 may be configured to handle user plane functionality (e.g., central unit-user plane (CU-UP) functionality), control plane functionality (e.g., central unit-control plane (CU-CP) functionality), or a combination thereof. In some specific implementations, the CU 310 may be logically split into one or more CU-UP units and one or more CU-CP units. When implemented in an O-RAN configuration, the CU-UP unit may communicate bidirectionally with the CU-CP unit via an interface (such as an E1 interface). As needed, the CU310 may be implemented to communicate with the DU 330 for network control and signaling.

[0059] Each DU 330 may correspond to a logical unit that includes one or more base station functions for controlling the operation of one or more RUs 340. In some aspects, the DU 330 may host one or more of a radio link control (RLC) layer, a medium access control (MAC) layer, and one or more high physical (PHY) layers, at least in part according to a functional split (such as a functional split defined by 3GPP). In some aspects, the one or more high PHY layers may be implemented by one or more modules for forward error correction (FEC) encoding and decoding, scrambling, modulation and demodulation, etc. In some aspects, the DU 330 may also host one or more low PHY layers, such as one or more modules for fast Fourier transform (FFT), inverse FFT (iFFT), digital beamforming or physical random access channel (PRACH) extraction and filtering, etc. Each layer (which may also be referred to as a module) may be implemented using an interface that is configured to communicate signals with other layers (and modules) hosted by the DU 330 or with control functions hosted by the CU 310.

[0060] Each RU 340 may implement lower layer functionality. In some deployments, the RU 340 controlled by the DU 330 may correspond to a logical node that hosts RF processing functions, or low PHY layer functions (such as performing FFT, performing iFFT, digital beamforming, or PRACH extraction and filtering, etc.) based on functional splits (e.g., functional splits defined by 3GPP). In this architecture, each RU 340 may be operated to handle over-the-air (OTA) communications with one or more UEs 120. In some specific implementations, real-time and non-real-time aspects of communicating with the control plane and user plane of the RU 340 may be controlled by the corresponding DU 330. In some scenarios, this configuration may enable each DU 330 and CU 310 to be implemented in a cloud-based RAN architecture such as a vRAN architecture.

[0061] The SMO framework 305 may be configured to support RAN deployment and provisioning of non-virtualized network elements and virtualized network elements. For non-virtualized network elements, the SMO framework 305 may be configured to support the deployment of dedicated physical resources for RAN coverage requirements, which may be managed via an operation and maintenance interface (such as an O1 interface). For virtualized network elements, the SMO framework 305 may be configured to interact with a cloud computing platform (such as an open cloud (O-Cloud) platform 390) to perform network element lifecycle management (such as instantiating virtualized network elements) via a cloud computing platform interface (such as an O2 interface). Such virtualized network elements may include, but are not limited to, CU 310, DU 330, RU 340, non-RT RIC 315, and near-RT RIC 325. In some specific implementations, the SMO framework 305 may communicate with hardware aspects of the 4G RAN (such as an open eNB (O-eNB) 311) via the O1 interface. Additionally, in some implementations, the SMO framework 305 can communicate directly with each of the one or more RUs 340 via a corresponding O1 interface. The SMO framework 305 can also include a non-RT RIC 315 configured to support the functionality of the SMO framework 305.

[0062] The non-RT RIC 315 may be configured to include logic functions that enable non-real-time control and optimization of RAN elements and resources, artificial intelligence / machine learning (AI / ML) workflows including model training and updating, or policy-based guidance of applications / features in the near-RT RIC 325. The non-RT RIC 315 may be coupled to or in communication with the near-RT RIC 325 (such as via an A1 interface). The near-RT RIC 325 may be configured to include logic functions that enable near-real-time control and optimization of RAN elements and resources via data collection and actions through an interface (such as via an E2 interface) that connects one or more CUs 310, one or more DUs 330, or both, and the O-eNB with the near-RT RIC 325.

[0063] In some implementations, in order to generate an AI / ML model to be deployed in the near-RT RIC 325, the non-RT RIC 315 may receive parameters or external enrichment information from an external server. Such information may be utilized by the near-RT RIC 325 and may be received from a non-network data source or from a network function at the SMO framework 305 or the non-RT RIC 315. In some examples, the non-RT RIC 315 or the near-RT RIC 325 may be configured to tune RAN behavior or performance. For example, the non-RT RIC 315 may monitor long-term trends and patterns of performance and employ AI / ML models to perform corrective actions through the SMO framework 305 (such as via reconfiguration of the O1 interface) or via the creation of RAN management policies (such as A1 interface policies).

[0064] As indicated above, Figure 3 are provided as examples. Other examples can be found in the Figure 3 The examples described are different.

[0065] Figure 4 is a diagram illustrating an example 400 of carrier aggregation according to the present disclosure.

[0066] Carrier aggregation is a technique that enables two or more component carriers (CCs, sometimes referred to as carriers) to be combined (e.g., combined into a single channel) for a single UE 120 to enhance data capacity. As shown, carriers may be combined in the same or different frequency bands. Additionally or alternatively, contiguous or non-contiguous carriers may be combined. The network node 110 may configure carrier aggregation for the UE 120 (such as in an RRC message, downlink control information (DCI), and / or another signaling message).

[0067] As indicated by reference numeral 405, in some aspects, carrier aggregation may be configured in an intra-band contiguous mode, where the aggregated carriers are contiguous with each other and in the same frequency band. As indicated by reference numeral 410, in some aspects, carrier aggregation may be configured in an intra-band discontiguous mode, where the aggregated carriers are discontiguous with each other and in the same frequency band. As indicated by reference numeral 415, in some aspects, carrier aggregation may be configured in an inter-band discontiguous mode, where the aggregated carriers are discontiguous with each other and in different frequency bands.

[0068] In carrier aggregation, a UE 120 may be configured with a primary carrier or primary cell (PCell) and one or more secondary carriers or secondary cells (SCells). In some aspects, the primary carrier may carry control information (e.g., downlink control information and / or scheduling information) for scheduling data communications on one or more secondary carriers, which may be referred to as cross-carrier scheduling. In some aspects, a carrier (e.g., a primary carrier or a secondary carrier) may carry control information for scheduling data communications on the carrier, which may be referred to as self-carrier scheduling or carrier self-scheduling.

[0069] In some examples, for inter-band carrier aggregation, a primary cell may be associated with a first frequency band and a secondary cell may be associated with a second frequency band, wherein the first frequency band is associated with a lower frequency than the second frequency band. For example, the primary cell may be associated with a FR1 frequency band, a FR2 frequency band, or a FR4 frequency band, etc., and the secondary cell may be associated with a sub-THz frequency band. In some examples, due to the reduced coverage area of ​​the secondary cell (e.g., caused by the use of a higher frequency band), the UE may rely on connectivity with the primary cell to obtain information associated with the secondary cell. For example, the secondary cell deployment may rely on primary cell connectivity to support power-efficient sub-THz deployment with a bursty activity mode on the secondary cell. In some examples, the secondary cell (e.g., a sub-THz cell) may be collocated with the primary cell (e.g., the primary cell and the secondary cell may be associated with the same network node or collocated multiple network nodes). In other examples, the secondary cell may not be collocated with the primary cell.

[0070] As indicated above, Figure 4 are provided as examples. Other examples can be found in the Figure 4 The examples described are different.

[0071] In some network deployments, cells operating using high frequency bands (such as EHF bands, FR3, FR4, FR5, sub-THz bands (e.g., which may include frequencies of several hundred GHz, such as 100 GHz-300 GHz) and / or other high frequency bands) may be deployed. Cells operating using high frequency bands may be referred to herein as "high frequency band cells". High frequency band cells may provide UEs with increased data capacity and / or increased throughput (e.g., due to increased bandwidth associated with the high frequency band). For example, UE 120 and a network node 110 associated with a high frequency band cell may communicate using a larger bandwidth size (such as 7.5 GHz bandwidth, etc.). Communicating using a larger bandwidth size may result in an increase in the communication throughput between UE 120 and network node 110.

[0072] The RF constraints and propagation characteristics unique to high frequency bands may introduce new design challenges to wireless networks. For example, high frequency bands may be associated with high path loss. Therefore, in order to compensate for high path loss, network node 110 and UE 120 may communicate using narrow beams (e.g., beams with narrow beam widths or signals whose energy is concentrated in a narrow directional range). In such examples, space division multiplexing (SDM) may be used (e.g., where different spatially separable antenna beams are formed for different UEs). However, narrow beams may be susceptible to beam blocking, interference, or other intervening factors that degrade the performance of signals conveyed via narrow beams. Therefore, high frequency band cells may be associated with smaller coverage areas (e.g., geographic areas associated with cells) compared to cells using lower operating frequencies (e.g., which may be referred to herein as "low frequency band cells"). Due to the smaller coverage areas of high frequency band cells, in some network deployments, high frequency band cells may be more densely distributed in wireless networks compared to low frequency band cells. For example, multiple high-band network nodes (eg, multiple RUs) may be deployed within the coverage area of ​​a single low-band network node (eg, within the coverage area of ​​a low-band cell).

[0073] Additionally, high frequency (e.g., below THz) operation may be associated with reduced efficiency of the power amplifier of the UE or network node. For example, the power amplifier power may decrease with frequency and bandwidth. Therefore, high frequency (e.g., below THz) operation may be associated with lower power amplifier power and lower power amplifier efficiency. This may result in a reduced effective isotropic radiated power (EIRP) that the device can produce, resulting in reduced coverage of high frequency band cells. As another example, high frequency (e.g., below THz) operation may be associated with increased power consumption. For example, high frequency (e.g., below THz) operation may be associated with larger bandwidth (e.g., due to larger subcarrier spacing) and high data rate. Larger bandwidth, coupled with lower power efficiency RF processing, increased sampling rate (e.g., for analog-to-digital converters or digital-to-analog converters), increased digital processing rate, increased bit rate and / or increased storage or memory requirements, etc., may increase the power consumption of wireless communication devices using high frequency bands (such as bands below THz).

[0074] Poor coverage, increased power consumption, and narrow beams associated with high-band cells (e.g., sub-THz cells or other high-band cells) may present challenges for beam management. For example, as the operating frequency increases from the mmW frequency range to the sub-THz frequency range, the beamwidth may decrease (e.g., linearly) while the number of beams may increase (e.g., quadratically). In other words, to support high-band operations (such as sub-THz operations), the number of antenna elements in the antenna panel may be increased (e.g., to support the formation of an increased number of beams and / or narrower beams). For example, when the operating frequency increases from 28 GHz to 140 GHz, a 1 / 5 beamwidth reduction may result in a 25-fold increase (e.g., x25) in the number of beams for the same array area (e.g., the same antenna panel). With such a large number of beams available, the signaling overhead associated with the beam management process may increase (e.g., because the UE and / or network node must communicate with the antenna in a manner consistent with the above). Figure 7 In some embodiments, the present invention relates to a method for scanning or sweeping a large number of narrow beams in a manner similar to that described above. Additionally, the increased number of beams may introduce latency associated with performing beam management processes via the increased number of beams. Furthermore, since high frequency operation may be associated with increased power consumption, performing beam management on the increased number of beams may consume a large amount of power resources of the wireless communication device.

[0075] Figure 5 is a diagram illustrating an example 500 of a network deployment according to the present disclosure. In some examples, Figure 5The network deployment depicted in may support sub-THz communications. For example, the network deployment may utilize APs (also referred to herein as repeaters) in areas with high data volume demand potential. In some examples, the AP may provide high-capacity channels for UEs that meet sub-THz conditions (e.g., support sub-THz communications and meet a list of prerequisites), which are registered and continuously connected to a lower frequency band primary cell or "primary" cell (e.g., a FR1 / FR2-based cell, such as a PCell and SCell on a lower frequency band compared to the sub-THz band). The AP may provide local point-based coverage with increased capacity over a wider PCell (e.g., a FR1-based PCell) or a lower frequency band SCell (e.g., a FR2-based SCell) coverage range.

[0076] Sub-THz communications may be a supplementary high-capacity channel that may be deployed as a secondary cell with a bursty activity pattern for sparse use in time by sub-THz compliant UEs. Sub-THz compliant UEs may be continuously connected to the PCell via a lower frequency band (e.g., FR1 / FR2 / FR4) as one of the prerequisites for a more power-efficient point-based sub-THz deployment that may rely on inter-band carrier aggregation. As used herein, "primary cell," "PCell," or "primary cell" may be used interchangeably and may refer to a low-frequency band cell that establishes an initial connection between a sub-THz compliant UE and a network node and continuously maintains the connection, and this continuous connection is used as a reference for coarse synchronization and beam management processes of a higher frequency band-based Scell ​​(e.g., a sub-THz-based SCell), and is also used for all registrations and any control plane signaling based on the sub-THz-based SCell.

[0077] As used herein, "secondary cell" or "SCell" may refer to a non-primary cell. Accordingly, sub-THz-based SCells may support a minimum critical functionality range and may rely on PCell connectivity in many aspects (e.g., sub-THz-related control signaling, coarse synchronization, and coarse beam management to support dynamic low latency and low power and low complexity activation / deactivation processes). Sub-THz-based SCells may enable point-based coverage within the coverage range of the lower frequency band PCell and may be used for large amounts of data offloading using relatively short data offloading sessions (with prerequisites) for UEs that meet the sub-THz conditions.

[0078] like Figure 5As shown, the network deployment may include a network node 110 supporting a PCell. The network deployment may include a repeater 510. The repeater 510 may be referred to as a rendezvous point (RP). The Scell ​​may be supported by a repeater 520. The repeater 520 may be referred to as an AP. For example, the repeater 520 may enable the UE 120 to communicate via a sub-THz frequency band, as described in more detail herein.

[0079] like Figure 5 As shown, inter-band carrier aggregation may be used in the following cases: sub-THz frequency bands are used on SCells to provide point-based sub-THz coverage under wider PCell coverage, and PCells may use lower frequency bands (e.g., FR1 / FR2 / FR4). Sub-THz SCells may support a range of functionality and may rely on PCell / lower frequency band cells to achieve wireless communication functionality. For example, SCells may not support any "always on" signals or resource reservations (e.g., signals that are always present on sub-THz SCells, such as synchronization signal blocks (SSBs), random access channel (RACH) timing signaling, periodic reference signals, and / or control signaling).

[0080] In some examples, the SCell may be dynamically activated on demand (e.g., for sporadic and short sessions that may have bursty activity patterns). Coarse synchronization and beam management for sub-SCell / THz may be determined based on the PCell. Complementary synchronization and beam refinement procedures may be performed each time the SCell is activated, and SCell synchronization and beam management (BM) may be based at least in part on the PCell. Figure 5 As shown, there may be a single-hop or multi-hop relay (e.g., enabled by relays 510 and 520 to UE 120) between a sub-THz UE and a sub-THz network node (e.g., network node 110) transceiver to bridge within a limited sub-THz range. In some examples, the multi-hop relay may be associated with different frequency bands on different hops (e.g., a first hop may use a first frequency band, a second hop may use a second frequency band, and a third hop may use a third frequency band (or the first frequency band)).

[0081] Repeaters (such as repeater 510 and repeater 520) can be efficient smart repeaters with out-of-band (OOB) control of PCell connectivity based on all sub-THz link components (e.g., UE, AP, or intermediate repeaters in the case of multi-hop sub-THz links). The repeater may include different functional components, such as (1) a reduced capability (RedCap) UE (RC UE) for PCell connectivity (e.g., delivering OOB control / reporting / feedback); (2) analog amplification and forwarding (AF) functionality for sub-THz data forwarding; and / or (3) a dedicated component for sub-THz local complementary synchronization and beam management sessions for transmit (Tx) and / or receive (Rx) capabilities using dedicated synchronization and beam management reference signals (or modified waveforms positioned in time SSB mini-bursts) on the sub-THz of the SCell, etc. Multi-hop sub-THz links may be established and / or activated and synchronized using progressive synchronization across hops and hop-specific synchronization and beam management sessions with customized synchronization and beam management reference signal mini-burst scheduling (by network nodes through the PCell) for transmission and reception from a first sub-THz hop edge (Tx side) to a corresponding second sub-THz hop edge (Rx side for synchronization on the Tx side).

[0082] In some examples, sub-THz communications may be supported in a non-standalone manner as an SCell (or secondary component carrier), while the corresponding PCell (or primary component carrier) may be on a lower frequency range (e.g., FR1 / FR2 / FR4) and may serve as primary cell connectivity to support sub-THz communications (which may have a bursty activity mode).

[0083] As used herein, the term "repeater" may refer to a network-controlled repeater that can receive transmissions and perform network-controlled amplification and forwarding to send the transmissions to a UE, a network node, or another repeater (e.g., it can be an AP for direct connection with a UE, an RP for an intermediate or direct link with a network node (such as a network node), or a hybrid that combines the functionality of an AP and an RP). As used herein, the term "sub-THz repeater" may refer to a repeater for amplifying and forwarding communications below THz (e.g., control information for sub-THz repeaters may be on different frequency bands). In some examples, the repeater may be an analog repeater (e.g., a repeater that does not perform digital processing of signals). In some examples, the repeater may be a UE, a network node, and / or an RU, among others.

[0084] For sub-THz communications, in order to achieve denser sub-THz coverage, a denser geographical distribution of sub-THz transceivers can be used. If each sub-THz coverage point is associated with a sub-THz network node or cell (with a direct link to a sub-THz compliant UE), a full digital demodulation and decoding process of the sub-THz signal can be performed locally at each point before the integrated and remodulated data is transmitted back to the PCell network node. Considering that a large number of sub-THz transceivers may be used to cover the PCell coverage area, the power consumption may be large. The various aspects provided in this article provide mechanisms for implementing multi-hop (e.g., implemented by multiple repeaters) sub-THz deployments to increase the supported point-based sub-THz coverage / coverage density while reducing power consumption or energy investment, thereby allowing more power-efficient sub-THz deployments. To improve network energy efficiency characteristics for sub-THz deployments, aspects provided herein may enable a repeater-based extended range multi-hop sub-THz link that employs analog sub-THz signal processing (AP / RP) (e.g., amplify and forward analog processing), thereby allowing for non-direct UE to sub-THz network node connections, rather than a more power-hungry approach based on multiple sub-THz small cells. For example, a repeater (e.g., an analog repeater) may operate using analog processing and relaying signals in a relay analog domain (e.g., the repeater may not perform operations in the digital domain, thereby saving processing resources and power resources).

[0085] However, repeaters that use analog sub-THz signal processing (e.g., repeaters that do not perform one or more digital processing operations such as analog-to-digital conversion or digital-to-analog conversion) may experience noise or interference caused by Tx-to-Rx leakage. For example, Tx-to-Rx leakage may refer to an Rx component (e.g., Rx antenna element) of a repeater that receives a signal transmitted via a Tx component (e.g., Tx antenna element) of a repeater (e.g., the same repeater). For example, because the Rx element and the Tx element of the repeater may use the same or similar operating frequencies, the repeater may experience degraded performance caused by Tx-to-Rx leakage. In order to mitigate the negative effects caused by Tx-to-Rx leakage, the maximum transmit power of the repeater may be limited. Thus, the range of the link between two repeaters (e.g., repeater 510 and repeater 520) and / or the range of the coverage area of ​​the SCell may be reduced. This may reduce the use of Figure 5 The range or coverage area of ​​sub-THz communications for the network deployment depicted.

[0086] Some techniques and apparatus described herein implement a mixed frequency repeater for a multi-hop link. For example, a repeater may receive a first one or more signals of a communication associated with a multi-hop link via a first frequency band. The repeater may transmit a second one or more signals of the communication via a second frequency band. In other words, the repeater may use different frequencies and / or different frequency bands for a multi-hop link network deployment such as a multi-hop link network. Figure 5 ) associated with the network deployment depicted in FIG.

[0087] In some aspects, the repeater may perform one or more operations to ensure that the data capacity of the received signal and the transmitted signal is the same or similar. For example, a first frequency band used by the repeater for receiving operations and a second frequency band used by the repeater for transmitting operations may be associated with different supported bandwidths. For example, the first one or more signals may be associated with the first one or more communication parameters that result in the data capacity of the first one or more signals. The repeater may perform an action to adjust the first one or more communication parameters to the second one or more communication parameters for transmission via the second frequency band, wherein the second one or more communication parameters maintain the data capacity (e.g., the same or within a threshold). The repeater may transmit the second one or more signals of the communication using the second one or more communication parameters via the second frequency band and via a multi-hop link. Therefore, the repeater may maintain the data capacity of the communication between the receiving operation and the transmitting operation.

[0088] Thus, the repeater can mitigate noise or interference caused by Tx to Rx leakage. For example, different carrier frequencies can be used on different sides (Tx side and Rx side) of the analog repeater to increase Tx to Rx isolation based on frequency domain separation. The frequency domain-based separation of Tx and Rx signals on the repeater side allows for avoiding instability and / or resonant power loops. This can make multi-hop links (such as Figure 5 The use of analog repeaters can improve the power efficiency of the repeaters (e.g., compared to repeaters that perform digital processing). Additionally, by enabling the repeaters to use different frequencies and / or different frequency bands for relay operations, the transmit power of the repeaters (e.g., the allowed transmit power) can be increased. This can improve the range and / or coverage area of ​​the repeaters. By increasing the range and / or coverage area of ​​the repeaters, the use of sub-THz network deployments (such as Figure 5 The scope and / or coverage area of ​​the network deployment depicted in the

[0089] As indicated above, Figure 5 are provided as examples. Other examples can be found in the Figure 5 The examples described are different.

[0090] Figure 6is a diagram of an example 600 associated with a mixed frequency repeater for a multi-hop link according to the present disclosure. Figure 6 As shown, the network node 110 (e.g., a base station, a CU, a DU, and / or a RU) may communicate with the UE 120 via one or more relays (such as the relay 605 and / or the relay 610). In some aspects, the network node 110, the relay 605, the relay 610, and the UE may be part of a wireless network (e.g., the wireless network 100). The UE 120 and the network node 110 may be in Figure 6 The operations shown are performed after a wireless connection has been established.

[0091] In some aspects, the network node 110, the relay 605, the relay 610, and the UE 120 may be part of a wireless network that uses one or more sub-THz frequency bands for communication. The network node 110, the relay 605, the relay 610, and the UE 120 may be a network deployment (similar to Figure 5 605). For example, network node 110 may be associated with a PCell. Repeater 610 may be associated with an SCell (e.g., a sub-THz SCell). Repeater 610 may be an AP, and repeater 605 may be an RP. In some aspects, repeater 605 and repeater 610 may communicate via a line-of-sight (LOS) link or a near-LOS link.

[0092] Repeater 605 and / or repeater 610 may be an analog repeater. For example, repeater 605 and / or repeater 610 may be any wireless communication device capable of receiving a transmission, performing network-controlled amplification and forwarding to transmit (e.g., relay) the transmission to a UE, a network node, and / or another repeater, etc. For example, repeater 605 and / or repeater 610 may be similar to a wireless communication device incorporating a wireless communication protocol. Figure 5 The repeater.

[0093] In some aspects, the actions described herein as being performed by the network node 110 may be performed by multiple different network nodes. For example, a configuration action may be performed by a first network node (e.g., a CU or DU), and a radio communication action may be performed by a second network node (e.g., a DU or RU). As used herein, "sending" a communication by the network node 110 to the UE 120 and / or a relay may refer to direct sending (e.g., from the network node 110 to the UE 120 or relay) or indirect sending via one or more other network nodes or devices. For example, if the network node 110 is a DU, indirect sending to the UE 120 or relay may include the DU sending the communication to the RU and the RU sending the communication to the UE 120 or relay. Similarly, "sending" a communication by the UE 120 or relay to the network node 110 may refer to direct sending (e.g., from the relay or UE 120 to the network node 110) or indirect sending via one or more other network nodes or devices. For example, if network node 110 is a DU, indirect transmission to network node 110 may include a relay or UE 120 sending communications to a RU and the RU sending communications to the DU.

[0094] As indicated by reference numeral 615, the network node 110 may send and the relay 605, the relay 610, and / or the UE 120 may receive the configuration information. In some aspects, the relay 605, the relay 610, and / or the UE 120 may receive the configuration information via one or more of system information signaling, RRC signaling, one or more MAC control elements (MAC-CEs), and / or DCI, etc. In some aspects, the configuration information may include, among other things, an indication of one or more configuration parameters for selection and / or explicit configuration information.

[0095] In some aspects, the configuration information may indicate that the UE 120 will communicate via a given frequency band (e.g., a sub-THz frequency band) using a multi-hop link that includes the repeater 605 and / or the repeater 610. For example, the configuration information may indicate that the repeater 610 is an AP for a SCell configured for the UE 120. For example, the configuration information may include a configuration of the SCell. The SCell may be associated with a sub-THz frequency band.

[0096] In some aspects, the configuration information may indicate that the repeater 605 and / or the repeater 610 will use different frequencies for transmission and reception operations. For example, the configuration information may indicate that the repeater 605 will use a first frequency band (e.g., a sub-THz frequency) to communicate with the network node 110, and use a second frequency band (e.g., associated with a frequency lower than the sub-THz frequency, such as a different sub-THz frequency, a millimeter wave frequency, a FR1 frequency, a FR2 frequency, or another frequency) to communicate with the next hop in the multi-hop link (e.g., with the repeater 610). Similarly, the configuration information may indicate that the repeater 610 will use a first frequency band (e.g., a sub-THz frequency) to communicate with the UE 120, and use a second frequency band (e.g., associated with a frequency lower than the sub-THz frequency, such as a different sub-THz frequency, a millimeter wave frequency, a FR1 frequency, a FR2 frequency, or another frequency) to communicate with the next hop in the multi-hop link (e.g., with the repeater 605 or with the UE 120). In other words, a first hop in a multi-hop link (e.g., between network 110 and repeater 605) may be associated with a first frequency band, a second hop in the multi-hop link (e.g., between repeater 605 and repeater 610) may be associated with a second frequency band, and a third hop in the multi-hop link (e.g., between repeater 610 and UE 120) may be associated with a third frequency band or the first frequency band.

[0097] In some aspects, the configuration information may indicate one or more communication parameters to be used for communication between the repeater 605 and the repeater 610. For example, the configuration information may include an indication of a first one or more communication parameters (e.g., to be used by the repeater for Rx operation) and / or a second one or more communication parameters (e.g., to be used by the repeater for Tx operation). For example, the configuration information may indicate the number of MIMO layers to be used for communication between the repeater 605 and the repeater 610. For another example, the configuration information may indicate a bandwidth to be used for communication between the repeater 605 and the repeater 610. For another example, the configuration information may indicate an MCS to be used for communication between the repeater 605 and the repeater 610.

[0098] For example, based on occupied bandwidth on a sub-THz based direct link with a sub-THz eligible UE, the network node 110 may dynamically activate different numbers of MIMO layers for the repeater 605 and / or the repeater 610 (e.g., for communication between the repeater 605 and the repeater 610). For example, different numbers of MIMO layers may be activated so that the multi-hop link can maintain data capacity at different hops within the multi-hop link. The dynamic selection of the number of MIMO layers (and antennas / transmit chains and / or receive chains) may be based at least in part on the MCS to be used for a particular sub-THz UE data offload session (e.g., the MCS used between the repeater 610 and the UE 120). For example, a higher MCS (e.g., as indicated by an index associated with the MCS) may be associated with a lower number of MIMO layers (e.g., to reduce the likelihood of cross-layer interference). As Figure 6 As shown, dynamic indications of the number of MIMO layers and / or other communication parameters may be communicated via a PCell link (e.g., associated with network node 110). For example, a relay (e.g., relay 605 and / or relay 610) may receive an indication of one or more sets of communication parameters via a primary cell associated with a multi-hop link.

[0099] Although each example is described herein in conjunction with communication below THz, the various aspects described herein may be applied to other multi-hop links using different frequency bands or frequencies. For example, the repeater 605 and / or the repeater 610 may use the millimeter wave frequency for a first operation (e.g., a transmission or reception operation) in a manner similar to that described herein, and use the frequency below 6 GHz for a second operation (e.g., a reception or transmission operation). In other words, the repeater (e.g., the repeater 605 and / or the repeater 610) may use the first frequency to receive a signal, and may use the second frequency to send a signal. The combination of the first frequency and the second frequency may include a first frequency below THz and a second frequency below THz, a frequency below THz and a millimeter wave frequency, and / or a millimeter wave frequency and a frequency below 6 GHz, and the like. Additionally, each example is described herein in conjunction with downlink operations. However, the various aspects described herein may be similarly applied to uplink operations (e.g., from UE 120 to network node 110) or another backhaul operation.

[0100] As indicated by reference numeral 620, the network node 110 may send and the repeater 605 may receive one or more signals. The one or more signals may be associated with a communication (e.g., intended for the UE 120). The one or more signals may be associated with a first frequency band and / or a first frequency. For example, the first frequency band and / or the first frequency may be associated with a higher frequency band (such as a sub-THz frequency band, etc.). The one or more signals may be associated with a first one or more communication parameters resulting in a data capacity of the first one or more signals. For example, the first one or more communication parameters may include a first bandwidth, a first MCS, and / or a first number of MIMO layers, etc. For example, the one or more signals may be associated with a first bandwidth and may not use MIMO (e.g., the one or more signals may use a single LOS link between the network node 110 and the repeater 605).

[0101] In some aspects, a transmit antenna and / or a receive antenna may have two ports, which may include a horizontally polarized (H) port (which may also be referred to as a "horizontal port") and a vertically polarized (V) port (which may also be referred to as a "vertical port"). Horizontal polarization and vertical polarization may refer to a horizontal direction and a vertical direction, respectively, relative to a specified coordinate system associated with the corresponding antenna. Therefore, in the case where a transmitter (e.g., a network node 110) independently uses both the H port and the V port to transmit a signal and / or uses a suitable precoder (e.g., a nonlinear precoder) to transmit the signal, a receiver (e.g., a UE 120 and / or a relay 605) may simultaneously observe two streams of the transmitted signal, which may be referred to as rank 2 communication, where the rank value generally refers to the number of transmitted streams observed at the receiver. Alternatively, in the case where the transmitter uses a linear pre-decoder (e.g., an H+V pre-decoder or an HV pre-decoder) or uses only one port (e.g., only an H port or only a V port) to transmit a signal, the receiver may observe only one stream of the transmitted signal, which may be referred to as rank 1 communication. In some cases, the receiver may be configured to always use both the H port and the V port for reception to ensure optimal performance. In some aspects, the repeater 605 may receive one or more signals from the network node 110 via a single H+V link.

[0102] As indicated by reference numeral 625, the repeater 605 may perform one or more actions (e.g., one or more processing operations) to ensure that link capacity (e.g., data capacity) is maintained for the multi-hop link. For example, the repeater 605 may perform an action to adjust the first one or more communication parameters to the second one or more communication parameters for transmission via the second frequency band or the second frequency. The second one or more communication parameters enable the data capacity to be maintained. For example, the second one or more communication parameters may include a second bandwidth and a second number of MIMO layers, the second bandwidth and the second number of MIMO layers resulting in another data capacity of the second one or more signals associated with the communication (e.g., to be transmitted by the repeater 605). "Maintaining" the data capacity may refer to the difference between the data capacity (e.g., of the one or more signals received by the repeater 605) and the another data capacity (e.g., of the one or more signals to be transmitted by the repeater 605) satisfying a threshold.

[0103] In some aspects, the second frequency band may be different from the operating frequency of any other SCell within the coverage area of ​​the PCell associated with the network node 110 (e.g., to reduce the risk of interference). For example, the first frequency band or the second frequency band may be different from the operating frequency of another cell having a coverage area that overlaps with the coverage area of ​​at least one of the primary cell or the secondary cell associated with the multi-hop link.

[0104] As described elsewhere herein, the first frequency band (and / or the first frequency) and the second frequency band (and / or the second frequency) may be associated with different frequency bands. As another example, the first frequency band (and / or the first frequency) and the second frequency band (and / or the second frequency) may be associated with different sub-bands included in the frequency band. For example, different sub-bands may be separated by a guard band in the frequency domain. For example, a single sub-THz frequency band may be divided into two parts, wherein the two parts are separated in the frequency domain (e.g., by a guard band). The guard band may enable the repeater 605 (and / or the repeater 610) to perform filtering (e.g., bandpass filtering) to filter out unintended frequencies included in a single sub-THz frequency band.

[0105] In some aspects, the first frequency band may have a smaller range than the other frequency bands. For example, as described in more detail elsewhere herein, due to reasons such as transmit power limitations and / or power inefficiency, frequency bands below THz may be associated with a smaller range. Therefore, the second frequency band may be used for intermediate hops in a multi-hop link (e.g., between repeater 605 and repeater 610) to extend the coverage associated with network node 110 and / or frequency bands below THz. However, in some aspects, the first frequency band may be associated with a higher data capacity than the second frequency band. For example, a link below THz between network node 110 and repeater 605 may use a larger bandwidth than the bandwidth of a millimeter wave link between repeater 605 and repeater 610. Therefore, in order to maintain the data capacity of the intermediate hops, repeater 605 and / or repeater 610 may process the received signal and convert the received signal to maintain the data capacity across the multi-hop link using different communication parameters. This ensures that intermediate hops using different frequency bands do not cause a bottleneck in the multi-hop link (eg, a bottleneck due to lower data capacity of the frequency band used for the intermediate hop).

[0106] For example, the first one or more communication parameters may include a first bandwidth that is greater than a second bandwidth included in the second one or more communication parameters (e.g., a link between the network node 110 and the repeater 605 may use a larger bandwidth than a link between the repeater 605 and the repeater 610). In such examples, one or more actions performed by the repeater 605 may include converting the first one or more signals (e.g., received by the repeater 605) into a plurality of MIMO layers (e.g., LOS MIMO layers). For example, the repeater 605 may down-convert the first one or more signals into a baseband signal. The repeater 605 may perform a low pass filter on the baseband signal to filter the first bandwidth into a certain number of segments. The repeater 605 may up-convert the baseband signal into a second one or more signals associated with a second frequency band and up-convert to the second bandwidth. The repeater 605 may map the segments to a plurality of MIMO layers (e.g., the plurality of MIMO layers including a certain number of MIMO layers indicated by the network node 110, such as in configuration information). In combination Figure 7 and Figure 8 The operations performed by repeater 605 are depicted and described in more detail (such as in connection with example 800 ).

[0107] As indicated by reference numeral 630, the repeater 605 may transmit and the repeater 610 may receive a second signal or signals (e.g., one or more relay signals) of the communication (e.g., via a second frequency band and via a multi-hop link) using a second one or more communication parameters. In other words, the repeater 605 may relay communications received from the network node 110 using a different frequency band and using different communication parameters (e.g., using a different bandwidth, a different MCS, and / or a different number of MIMO layers). The link between the repeater 605 and the repeater 610 may be an intermediate hop in the multi-hop link. For example, the repeater 610 may forward (e.g., relay) the communication to another device, such as the UE 120 (e.g., where the UE 120 is the intended recipient of the communication).

[0108] As indicated by reference numeral 635, the repeater 610 may perform one or more actions (e.g., one or more processing operations) to ensure that link capacity (e.g., data capacity) is maintained for the multi-hop link. For example, the repeater 610 may perform an action to adjust the second one or more communication parameters to a third one or more communication parameters for transmission via the first frequency band or the first frequency. In some aspects, the third one or more communication parameters may be or may be similar to the first one or more communication parameters. For example, the repeater 610 may be an AP for a sub-THz SCell configured for the UE 120. Thus, the repeater 610 may perform one or more actions to ensure that the data capacity of the signal received from the repeater 605 is the same or similar to the data capacity of the signal transmitted to the UE 120 via the sub-THz SCell (e.g., using a lower frequency band). For example, the link between the UE 120 and the repeater 610 may be a single H+V link (e.g., a single layer), and the link between the repeater 610 and the repeater 605 may include multiple H+V links (e.g., associated with multiple MIMO layers). The one or more actions (eg, one or more processing operations) may include converting the multiple H+V links into a single H+V link.

[0109] For example, the transmit side of repeater 610 may be associated with a bandwidth that is greater than the bandwidth used for the receive side of repeater 610. In such an example, repeater 610 may receive multiple MIMO layers from repeater 605 (or another wireless communication device). Repeater 610 may combine the multiple MIMO layers into a single signal having a bandwidth associated with the transmit side of repeater 610. For example, repeater 610 may receive one or more signals associated with a certain number of LOS MIMO layers. Repeater 610 may up-convert the one or more signals to a higher frequency band associated with the transmit side of repeater 610 (e.g., a sub-THz band or another frequency band). Repeater 610 may combine the LOS MIMO layers into a single link associated with the higher frequency band and the bandwidth associated with the transmit side of repeater 610. In combination Figure 7 and Figure 8 The operations performed by repeater 610 are depicted and described in more detail (such as in connection with example 805).

[0110] As indicated by reference numeral 640, the relay 610 may transmit and the UE 120 may receive one or more signals using a first frequency band and / or a first frequency (e.g., the first frequency band and / or the first frequency used by the network node 110 to transmit the first one or more signals to the relay 605 as described above in conjunction with reference numeral 620). In other words, the relay 610 may relay communications to the UE 120 using a higher frequency band (e.g., a sub-THz frequency band) (e.g., received from the relay 610 using a lower frequency band as described above in conjunction with reference numeral 630).

[0111] Thus, a repeater (e.g., repeater 605 and / or repeater 610) can mitigate noise or interference caused by Tx to Rx leakage. For example, different carrier frequencies can be used on different sides (Tx side and Rx side) of an analog repeater to increase Tx to Rx isolation based on frequency domain separation (e.g., in addition to analog filtering). This can enable multi-hop links (such as Figure 5 The use of analog repeaters can improve the power efficiency of the repeaters (e.g., compared to repeaters that perform digital processing). Additionally, by enabling the repeaters to use different frequencies and / or different frequency bands for relay operations, the transmit power of the repeaters (e.g., the allowed transmit power) can be increased. This can improve the range and / or coverage area of ​​the repeaters. By increasing the range and / or coverage area of ​​the repeaters, the use of sub-THz network deployments (such as Figure 5 The scope and / or coverage area of ​​the network deployment depicted in the

[0112] As indicated above, Figure 6 are provided as examples. Other examples can be found in relation to Figure 6 Different from what is described.

[0113] Figure 7 is a diagram of an example 700 associated with a mixed frequency repeater for a multi-hop link according to the present disclosure. Figure 7 As shown, network node 110, relay 605, relay 610, and UE 120 may communicate via a multi-hop link. Although example 700 depicts downlink operations, the operations described herein may similarly apply to uplink operations.

[0114] For example, the network node 110 may communicate with the repeater 605 via a donor link or a backhaul link. The repeater 605 may communicate with the repeater 610 via an intermediate hop. The repeater 610 may communicate with the UE 120 via an access link. As shown by reference numeral 705, via the donor link, the network node 110 may send and the repeater 605 may receive a signal. For example, the signal may be associated with a first frequency band (e.g., a sub-THz frequency band). The signal may be associated with a bandwidth B. The signal may be a single signal associated with a single link (e.g., a single H+V link).

[0115] As indicated by reference numeral 710, the repeater 605 may transmit and the repeater 610 may receive one or more signals via the intermediate hop. For example, the intermediate hop may be associated with a second frequency band that is lower than the first frequency band (e.g., the second frequency band may be a millimeter wave frequency band, a FR1 frequency band, a FR2 frequency band, a FR4 frequency band, or another frequency band). Figure 7 As shown, repeater 605 can transmit signals via multiple links and / or multiple MIMO layers. For example, the intermediate link can be associated with a bandwidth that is smaller than bandwidth B. Thus, repeater 605 can use an increased number of links and / or MIMO layers (e.g., compared to the donor link) to ensure that the intermediate link has the same or similar data capacity as the donor link and / or access link.

[0116] For example, the intermediate link may be associated with N links, each link having two layers (e.g., an H layer and a V layer), resulting in a total of (H+V)*N layers. In example 700, N may be equal to 4. Each link may be associated with a bandwidth B / N. Each link may be based on a dedicated lens beamformer (e.g., N dual-polarization lens beamformers may be used on each hop side of the intermediate link). The lens beamformer may allow digital beam refinement / selection for each link (e.g., to reduce inter-link interference) as part of the installation process and / or per sub-THz link activation process (e.g., this may not be possible for a parabolic antenna or another fixed beam solution). As shown by reference numeral 715, the repeater 610 may send a signal via the access link. For example, the signal may be associated with a first frequency band (e.g., a sub-THz frequency band). The signal may be associated with a bandwidth B. The signal may be a single signal associated with a single link (e.g., a single H+V link).

[0117] By using N links (e.g., N spatial links) on the intermediate links, equivalent bandwidth can be achieved for the donor link, the intermediate link, and the access link. Additionally, this can reduce the total bandwidth used for sub-THz based traffic offloading because the total bandwidth for all hops can be B+(B / N) (e.g., instead of 2B when MIMO is not used for the intermediate hops). Additionally, using a second (e.g., lower) frequency band for the intermediate hops can improve the power efficiency of the multi-hop link because a higher frequency band (e.g., a sub-THz frequency band) can be associated with lower power efficiency than a second (e.g., lower) frequency band.

[0118] In some examples, a single repeater may be used for a multi-hop link. For example, repeater 610 may receive signals directly from network node 110 over multiple links (e.g., rather than via repeater 605). Repeater 610 may convert the multiple links into a single sub-THz link for transmission to UE 120 in a manner similar to that described in more detail elsewhere herein.

[0119] As indicated above, Figure 7 are provided as examples. Other examples can be found in relation to Figure 7 Different from what is described.

[0120] Figure 8 8 is a diagram of examples 800 and 805 associated with a mixed frequency repeater for a multi-hop link according to the present disclosure. Figure 8 As shown, example 800 may be associated with a repeater (e.g., repeater 605 and / or repeater 610) that converts a signal from a higher frequency band to a lower frequency band for repeating operation. Example 805 may be associated with a repeater (e.g., repeater 605 and / or repeater 610) that converts a signal from a lower frequency band to a higher frequency band for repeating operation.

[0121] As shown in example 800, a repeater may receive a signal using a first frequency band (e.g., band 1). The bandwidth of the signal may be B+GB*3, where GB is a frequency resource allocated to a guard band. For example, the signal may include a guard band between bandwidth portions that will be separated or divided for use in the hybrid frequency relay operation described herein. The guard band may enable the repeater to avoid performing low-pass filtering (e.g., which may be associated with high processing overhead). For example, the introduction of a guard band may relax one or more analog low-pass filtering requirements, such as passband error vector magnitude (EVM) and / or stopband suppression, and the like.

[0122] As indicated by reference numeral 810, the repeater may down-convert the received signal to a baseband signal (e.g., for processing by a baseband processor of the repeater). In some aspects, the repeater may perform low-pass filtering on the baseband signal to filter the first bandwidth into a certain number of segments. For example, Figure 8 As shown, the repeater may segment the received signal into N segments, where N is 4 in example 800. In other words, the repeater may perform channelization to convert the received signal (e.g., associated with a first frequency band) into smaller segments for N links associated with a second frequency band. For example, each segment may be associated with a bandwidth of (B+GB*3) / N.

[0123] As indicated by reference numeral 815, the repeater may up-convert the segmented signal (e.g., from a baseband signal) to a second frequency band. The repeater may perform layer mapping to map each segment to a corresponding link or MIMO layer. For example, the repeater may perform interconnection or distribution of the segments to corresponding LOS MIMO links. Figure 8 As shown, signals on the N MIMO links may be associated with a bandwidth of B / N (eg, B / 4 in example 800 where N is 4). The repeater may transmit signals using the second frequency band via the N MIMO links.

[0124] In example 805, the repeater may receive one or more signals via N MIMO links (e.g., using a second frequency band). The N MIMO links may be associated with a bandwidth of B / N (e.g., B / 4 in example 805 where N is 4). As shown by reference numeral 820, the repeater may up-convert the received signal to a first frequency band. The repeater may combine signals received via N MIMO links into a single signal (e.g., for a single link). For example, the repeater may aggregate N MIMO links or layers into a single link associated with a first frequency band to obtain a combined bandwidth of B+GB*3. The repeater may use a single link and send the combined or aggregated signal using the first frequency band.

[0125] The operations described herein may enable a relay to avoid performing digital processing operations that may consume processing resources and / or power resources associated with relay operations. For example, in some cases, precoding may be applied by a transmitter (e.g., network node 110 or UE 120) and minimum mean square error (MMSE) combining may be performed by a receiver at an end of a multi-hop link (e.g., network node 110 or UE 120) to enable the relay to avoid performing digital processing operations.

[0126] As indicated above, Figure 8 are provided as examples. Other examples can be found in the Figure 8 The examples described are different.

[0127] Fig. 9 is a diagram illustrating an example process 900 performed, for example, by a repeater according to the present disclosure. Example process 900 is an example of the repeater (eg, repeater 605 or repeater 610) performing operations associated with a mixed frequency repeater for a multi-hop link.

[0128] like Fig. 9 As shown, in some aspects, process 900 may include receiving, via a first frequency band, first one or more signals of communication associated with a multi-hop link, wherein the first one or more signals are associated with first one or more communication parameters that result in a data capacity for the first one or more signals (block 910). Fig.10 The communication manager 140 and / or receiving component 1002 depicted in the figure may receive first one or more signals of communication associated with the multi-hop link via a first frequency band, wherein the first one or more signals are associated with first one or more communication parameters resulting in a data capacity of the first one or more signals, as described above.

[0129] like Fig. 9 As further shown, in some aspects, process 900 may include performing actions to adjust the first one or more communication parameters to second one or more communication parameters for transmission via a second frequency band, wherein the second one or more communication parameters enable the data capacity to be maintained (block 920). Fig.10 The communication manager 140 and / or execution component 1008 depicted in may perform actions to adjust the first one or more communication parameters to second one or more communication parameters for transmission via a second frequency band, wherein the second one or more communication parameters enable the data capacity to be maintained, as described above.

[0130] like Fig. 9As further shown, in some aspects, process 900 may include transmitting a second one or more signals of the communication via the second frequency band and via the multi-hop link using the second one or more communication parameters (block 930). Fig.10 The communications manager 140 and / or transmitting component 1004 depicted in FIG. 1004 may transmit the second one or more signals of the communication via the second frequency band and via the multi-hop link using the second one or more communications parameters, as described above.

[0131] Process 900 may include additional aspects, such as any single aspect or any combination of aspects described below and / or in conjunction with one or more other processes described elsewhere herein.

[0132] In a first aspect, the first frequency band and the second frequency band are at least one of: different frequency bands; or sub-frequency bands included in a frequency band separated by a guard band.

[0133] In a second aspect, either alone or in combination with the first aspect, the first one or more communication parameters include a first bandwidth and a first number of MIMO layers, the first bandwidth and the first number of MIMO layers resulting in the data capacity of the first one or more signals; the second one or more communication parameters include a second bandwidth and a second number of MIMO layers, the second bandwidth and the second number of MIMO layers resulting in another data capacity of the second one or more signals; and the difference between the data capacity and the another data capacity satisfies a threshold.

[0134] In a third aspect, either alone or in combination with one or more of the first and second aspects, the first one or more communication parameters include a first bandwidth that is greater than a second bandwidth included in the second one or more communication parameters, and performing the action includes converting the first one or more signals into multiple MIMO layers.

[0135] In a fourth aspect, either alone or in combination with one or more of the first to third aspects, the first one or more communication parameters include a first bandwidth and multiple MIMO layers, the first bandwidth being smaller than a second bandwidth included in the second one or more communication parameters, and performing the action includes: combining the multiple MIMO layers into a single signal having the second bandwidth.

[0136] In a fifth aspect, either alone or in combination with one or more of the first to fourth aspects, a first transmission from the first one or more signals or the second one or more signals is associated with LOS MIMO communication, and a second transmission from the first one or more signals or the second one or more signals is associated with a single link.

[0137] In the sixth aspect, alone or in combination with one or more of the first to fifth aspects, the first frequency band or the second frequency band is different from the operating frequency of another cell, and the other cell has a coverage area overlapping with the coverage area of ​​at least one of the primary cell or the secondary cell associated with the multi-hop link.

[0138] In a seventh aspect, alone or in combination with one or more of the first to sixth aspects, process 900 includes receiving an indication of at least one of the first one or more communication parameters or the second one or more communication parameters from a network node.

[0139] In an eighth aspect, either alone or in combination with one or more of aspects one to seven, receiving the indication of at least one of the first one or more communication parameters or the second one or more communication parameters comprises receiving a dynamic indication activating a certain number of LOS MIMO layers for the first one or more signals or the second one or more signals.

[0140] In the ninth aspect, alone or in combination with one or more of the first to eighth aspects, receiving the indication of at least one of the first one or more communication parameters or the second one or more communication parameters includes: receiving the indication via a primary cell associated with the multi-hop link.

[0141] In a tenth aspect, either alone or in combination with one or more of aspects 1 to 9, at least one of the first one or more communication parameters or the second one or more communication parameters is at least partially based on a modulation and coding scheme associated with the multi-hop link.

[0142] In the eleventh aspect, either alone or in combination with one or more of the first to tenth aspects, the first one or more communication parameters and the second one or more communication parameters include corresponding parameters, which include at least one of the following: bandwidth; number of MIMO layers; or modulation and decoding schemes.

[0143] In the twelfth aspect, alone or in combination with one or more aspects of the first to eleventh aspects, the first one or more signals include a single signal associated with a first bandwidth, and performing the action includes: down-converting the single signal to a baseband signal; performing low-pass filtering on the baseband signal to filter the first bandwidth into a certain number of segments; up-converting the baseband signal to the second one or more signals associated with the second frequency band and up-converting to the second bandwidth; and mapping the segments to multiple MIMO layers, wherein the multiple MIMO layers include the number of MIMO layers.

[0144] In the thirteenth aspect, alone or in combination with one or more of the first to twelfth aspects, the first one or more signals include a certain number of LOS MIMO layers associated with a first bandwidth, and performing the action includes: up-converting the first one or more signals to the second frequency band and up-converting to the second bandwidth; and combining the LOS MIMO layers into a single link associated with the second frequency band and the second bandwidth.

[0145] In the fourteenth aspect, alone or in combination with one or more aspects from the first to the thirteenth aspects, receiving the one or more first signals includes: receiving the first one or more signals from a network node or user equipment; and sending the second one or more signals includes: sending the second one or more signals to another repeater.

[0146] In the fifteenth aspect, alone or in combination with one or more aspects from the first to the fourteenth aspect, receiving the first one or more signals includes: receiving the first one or more signals from another repeater; and sending the second one or more signals includes: sending the second one or more signals to a network node or user equipment.

[0147] although Fig. 9 An example block diagram of process 900 is shown, but in some aspects, process 900 may include Fig. 9 Additional blocks, fewer blocks, different blocks, or blocks arranged in a different manner than those depicted in the process 900. Additionally or alternatively, two or more of the blocks in the process 900 may be performed in parallel.

[0148] Fig.10 1 is a diagram of an example apparatus 1000 for wireless communication according to the present disclosure. Apparatus 1000 may be a repeater, or a repeater may include apparatus 1000. In some aspects, apparatus 1000 includes a receiving component 1002 and a transmitting component 1004 that may communicate with each other (e.g., via one or more buses and / or one or more other components). As shown, apparatus 1000 may communicate with another apparatus 1006 (such as a UE, a base station, or another wireless communication device) using receiving component 1002 and transmitting component 1004. As further shown, apparatus 1000 may include a communication manager 140. Communication manager 140 may include execution component 1008, etc.

[0149] In some aspects, the apparatus 1000 may be configured to perform Figures 6 to 8 Additionally or alternatively, the apparatus 1000 may be configured to perform one or more processes described herein, such as Fig. 9 In some aspects, Fig.10The device 1000 and / or one or more components shown may include a combination of Figure 2 Additionally or alternatively, Fig.10 One or more of the components shown may be combined with Figure 2 Additionally or alternatively, one or more components in the set of components may be at least partially implemented as software stored in a memory. For example, a component (or a portion of a component) may be implemented as instructions or codes that are stored in a non-transitory computer-readable medium and can be executed by a controller or processor to perform the function or operation of the component.

[0150] The receiving component 1002 may receive communications, such as reference signals, control information, data communications, or combinations thereof, from the device 1006. The receiving component 1002 may provide the received communications to one or more other components of the device 1000. In some aspects, the receiving component 1002 may perform signal processing (such as filtering, amplification, demodulation, analog-to-digital conversion, demultiplexing, deinterleaving, demapping, equalization, interference cancellation, or decoding, etc.) on the received communications and may provide the processed signals to one or more other components of the device 1000. In some aspects, the receiving component 1002 may include combining Figure 2 The repeater may include one or more antennas, modems, demodulators, MIMO detectors, receiving processors, controllers / processors, memories, or combinations thereof.

[0151] The transmitting component 1004 may transmit communications, such as reference signals, control information, data communications, or combinations thereof, to the device 1006. In some aspects, one or more other components of the device 1000 may generate communications and may provide the generated communications to the transmitting component 1004 for transmission to the device 1006. In some aspects, the transmitting component 1004 may perform signal processing (such as filtering, amplification, modulation, digital-to-analog conversion, multiplexing, interleaving, mapping, or encoding, etc.) on the generated communications and may transmit the processed signals to the device 1006. In some aspects, the transmitting component 1004 may include combining Figure 2 One or more antennas, modems, modulators, transmit MIMO processors, transmit processors, controllers / processors, memories, or combinations thereof of the repeater. In some aspects, the transmit component 1004 can be co-located with the receive component 1002 in a transceiver.

[0152] The receiving component 1002 can receive a first one or more signals of a communication associated with a multi-hop link via a first frequency band, wherein the first one or more signals are associated with a first one or more communication parameters that result in a data capacity for the first one or more signals. The executing component 1008 can perform actions to adjust the first one or more communication parameters to second one or more communication parameters for transmission via a second frequency band, the second one or more communication parameters enabling the data capacity to be maintained. The transmitting component 1004 can transmit the second one or more signals of the communication via the second frequency band and via the multi-hop link using the second one or more communication parameters.

[0153] Receiving component 1002 can receive, from a network node, an indication of at least one of the first one or more communications parameters or the second one or more communications parameters.

[0154] Fig.10 The number and arrangement of components shown are provided as examples. In practice, there may be Fig.10 Additional components, fewer components, different components, or components arranged in a different manner than those shown. Fig.10 Two or more components shown may be implemented in a single component, or Fig.10 The single component shown may be implemented as multiple distributed components. Additionally or alternatively, Fig.10 The assembly of (one or more) components shown may be described as being executable by Fig.10 Another component shown may be a collection of components that perform one or more functions.

[0155] The following provides an overview of some aspects of the disclosure:

[0156] Aspect 1: A method of wireless communication performed by a repeater, the method comprising: receiving first one or more signals of communication associated with a multi-hop link via a first frequency band, wherein the first one or more signals are associated with first one or more communication parameters that result in a data capacity of the first one or more signals; performing an action to adjust the first one or more communication parameters to second one or more communication parameters for transmission via a second frequency band, wherein the second one or more communication parameters enable the data capacity to be maintained; and sending second one or more signals of the communication via the second frequency band and via the multi-hop link using the second one or more communication parameters.

[0157] Aspect 2: The method according to aspect 1, wherein the first frequency band and the second frequency band are at least one of the following: different frequency bands; or sub-frequency bands included in a frequency band and separated by a guard band.

[0158] Aspect 3: A method according to any one of Aspects 1 to 2, wherein the first one or more communication parameters include a first bandwidth and a first number of multiple-input multiple-output (MIMO) layers, and the first bandwidth and the first number of multiple-input multiple-output (MIMO) layers result in the data capacity of the first one or more signals; wherein the second one or more communication parameters include a second bandwidth and a second number of MIMO layers, and the second bandwidth and the second number of MIMO layers result in another data capacity of the second one or more signals; and wherein the difference between the data capacity and the another data capacity satisfies a threshold.

[0159] Aspect 4: A method according to any one of Aspects 1 to 3, wherein the first one or more communication parameters include a first bandwidth, the first bandwidth is greater than a second bandwidth included in the second one or more communication parameters, and wherein performing the action includes: converting the first one or more signals into multiple multiple-input multiple-output (MIMO) layers.

[0160] Aspect 5: A method according to any one of Aspects 1 to 3, wherein the first one or more communication parameters include a first bandwidth and multiple multiple-input multiple-output (MIMO) layers, the first bandwidth is smaller than a second bandwidth included in the second one or more communication parameters, and wherein performing the action includes: combining the multiple MIMO layers into a single signal having the second bandwidth.

[0161] Aspect 6: A method according to any one of Aspects 1 to 5, wherein the first transmission from the first one or more signals or the second one or more signals is associated with line-of-sight (LOS) multiple-input multiple-output (MIMO) communication, and wherein the second transmission from the first one or more signals or the second one or more signals is associated with a single link.

[0162] Aspect 7: A method according to any one of Aspects 1 to 6, wherein the first frequency band or the second frequency band is different from the operating frequency of another cell, and the other cell has a coverage area overlapping with the coverage area of ​​at least one of the primary cell or the secondary cell associated with the multi-hop link.

[0163] Aspect 8: The method according to any one of aspects 1 to 7, the method further comprising: receiving an indication of at least one of the first one or more communication parameters or the second one or more communication parameters from a network node.

[0164] Aspect 9: A method according to Aspect 8, wherein receiving the indication of at least one of the first one or more communication parameters or the second one or more communication parameters includes: receiving a dynamic indication, the dynamic indication activating a certain number of line-of-sight (LOS) multiple-input multiple-output (MIMO) layers for the first one or more signals or the second one or more signals.

[0165] Aspect 10: A method according to any one of aspects 8 to 9, wherein receiving the indication of at least one of the first one or more communication parameters or the second one or more communication parameters comprises: receiving the indication via a primary cell associated with the multi-hop link.

[0166] Aspect 11: The method according to any one of aspects 1 to 10, wherein at least one of the first one or more communication parameters or the second one or more communication parameters is based at least in part on a modulation and coding scheme associated with the multi-hop link.

[0167] Aspect 12: A method according to any one of Aspects 1 to 11, wherein the first one or more communication parameters and the second one or more communication parameters include corresponding parameters, and the corresponding parameters include at least one of the following: bandwidth; number of multiple-input multiple-output (MIMO) layers; or modulation and decoding schemes.

[0168] Aspect 13: A method according to any one of Aspects 1 to 12, wherein the first one or more signals include a single signal associated with a first bandwidth, and wherein performing the actions includes: down-converting the single signal to a baseband signal; performing low-pass filtering on the baseband signal to filter the first bandwidth into a certain number of segments; up-converting the baseband signal to the second one or more signals associated with the second frequency band and up-converting to a second bandwidth; and mapping the segments to multiple multiple-input multiple-output (MIMO) layers, wherein the multiple MIMO layers include the number of MIMO layers.

[0169] Aspect 14: A method according to any one of Aspects 1 to 13, wherein the first one or more signals include a certain number of line-of-sight (LOS) multiple-input multiple-output (MIMO) layers associated with a first bandwidth, and wherein performing the actions includes: up-converting the first one or more signals to the second frequency band and up-converting to a second bandwidth; and combining the LOS MIMO layers into a single link associated with the second frequency band and the second bandwidth.

[0170] Aspect 15: A method according to any one of Aspects 1 to 14, wherein receiving the one or more first signals includes: receiving the first one or more signals from a network node or user equipment; and wherein sending the second one or more signals includes: sending the second one or more signals to another repeater.

[0171] Aspect 16: A method according to any one of Aspects 1 to 14, wherein receiving the first one or more signals includes: receiving the first one or more signals from another repeater; and wherein sending the second one or more signals includes: sending the second one or more signals to a network node or user equipment.

[0172] Aspect 17: An apparatus for performing wireless communications at a device, the apparatus comprising: a processor; a memory coupled to the processor; and instructions stored in the memory and executable by the processor to cause the apparatus to perform one or more of the methods described in Aspects 1 to 16.

[0173] Aspect 18: A device for wireless communication, the device comprising: a memory; and one or more processors, the one or more processors coupled to the memory, the one or more processors configured to execute the method according to one or more of aspects 1 to 16.

[0174] Aspect 19: An apparatus for wireless communication, the apparatus comprising at least one component configured to perform the method according to one or more of aspects 1 to 16.

[0175] Aspect 20: A non-transitory computer-readable medium storing code for wireless communication, the code comprising instructions executable by a processor to perform the method according to one or more of aspects 1 to 16.

[0176] Aspect 21: A non-transitory computer-readable medium storing an instruction set for wireless communication, the instruction set comprising one or more instructions which, when executed by one or more processors of a device, cause the device to perform one or more of the methods described in aspects 1 to 16.

[0177] The foregoing disclosure provides illustration and description, but is not intended to be exhaustive or to limit the aspects to the precise forms disclosed. Modifications and variations may be made in light of the above disclosure or may be acquired from practice of the various aspects.

[0178] As used herein, the term "component" is intended to be broadly interpreted as a combination of hardware and / or hardware and software. Whether referred to as software, firmware, middleware, microcode, hardware description language or other names, "software" should be broadly interpreted as meaning instructions, instruction sets, codes, code segments, program codes, programs, subroutines, software modules, applications, software applications, software packages, routines, subroutines, objects, executable files, execution threads, processes and / or functions, etc. As used herein, a "processor" is implemented by a combination of hardware and / or hardware and software. It will be apparent that the systems and / or methods described herein can be implemented by a combination of hardware and / or hardware and software in different forms. The actual dedicated control hardware or software code used to implement these systems and / or methods does not limit various aspects. Therefore, the operation and behavior of the system and / or method are not described herein with reference to a specific software code, because it will be understood by those skilled in the art that software and hardware can be designed to implement the system and / or method at least in part based on the description herein.

[0179] As used herein, "satisfying a threshold" may refer to a value being greater than a threshold, greater than or equal to a threshold, less than a threshold, less than or equal to a threshold, equal to a threshold, not equal to a threshold, etc., depending on the context.

[0180] Although specific combinations of features are stated in the claims and / or disclosed in the specification, these combinations are not intended to limit the disclosure of various aspects. Many of these features can be combined in a manner that is not specifically stated in the claims and / or not disclosed in the specification. The disclosure of various aspects includes each dependent claim combined with each other claim in the claim set. As used herein, the phrase "at least one of" the list of items refers to any combination of these items (which includes a single member). As an example, "at least one of a, b or c" is intended to cover a, b, c, a+b, a+c, b+c and a+b+c, as well as any combination with multiple identical elements (e.g., a+a, a+a+a, a+a+b, a+a+c, a+b+b, a+c+c, b+b, b+b+b, b+b+c, c+c and c+c+c, or any other ordering of a, b and c).

[0181] Any element, action or instruction used herein should not be interpreted as key or necessary unless clearly stated. In addition, as used herein, the article "one" is intended to include one or more items, and can be used interchangeably with "one or more". In addition, as used herein, the article "said" is intended to include one or more items connected to the article "said", and can be used interchangeably with "said one or more". In addition, as used herein, the terms "set" and "group" are intended to include one or more items, and can be used interchangeably with "one or more". If you only want to refer to an item, the phrase "only one" or similar terms will be used. In addition, as used herein, the terms "have", "have", "have" etc. are intended to be open terms, which do not limit the elements they modify (for example, "an element with" A can also have B). In addition, the phrase "based on" is intended to mean "based at least in part on", unless explicitly stated otherwise. Furthermore, as used herein, the term "or" when used in a series is intended to be open-ended and used interchangeably with "and / or" unless expressly stated otherwise (eg, if used in conjunction with "either" or "only one of").

Claims

1. A repeater for wireless communication, the repeater comprising: Memory; and one or more processors coupled to the memory and configured to: receiving, via a first frequency band, first one or more signals of communications associated with a multi-hop link, wherein the first one or more signals are associated with first one or more communication parameters resulting in a data capacity of the first one or more signals; performing an action to adjust the first one or more communication parameters to second one or more communication parameters for transmission via a second frequency band, wherein the second one or more communication parameters enable the data capacity to be maintained; as well as A second one or more signals of the communication are transmitted via the second frequency band and via the multi-hop link using the second one or more communication parameters.

2. The repeater according to claim 1, wherein the first frequency band and the second frequency band are at least one of the following: different frequency bands; or A frequency band includes sub-bands separated by guard bands.

3. The repeater of claim 1, wherein the first one or more communication parameters include a first bandwidth and a first number of multiple-input multiple-output (MIMO) layers, the first bandwidth and the first number of multiple-input multiple-output (MIMO) layers resulting in the data capacity of the first one or more signals; wherein the second one or more communication parameters include a second bandwidth and a second number of MIMO layers, the second bandwidth and the second number of MIMO layers resulting in another data capacity of the second one or more signals; and The difference between the data capacity and the another data capacity satisfies a threshold.

4. The repeater of claim 1 , wherein the first one or more communication parameters include a first bandwidth that is greater than a second bandwidth included in the second one or more communication parameters, and wherein to perform the actions, the one or more processors are configured to: The first one or more signals are converted into a plurality of multiple-input multiple-output (MIMO) layers.

5. The repeater of claim 1 , wherein the first one or more communication parameters include a first bandwidth and a plurality of multiple-input multiple-output (MIMO) layers, the first bandwidth being less than a second bandwidth included in the second one or more communication parameters, and wherein to perform the actions, the one or more processors are configured to: The plurality of MIMO layers are combined into a single signal having the second bandwidth.

6. The repeater of claim 1 , wherein a first transmission from the first one or more signals or the second one or more signals is associated with line-of-sight (LOS) multiple-input multiple-output (MIMO) communication, and Wherein a second transmission from the first one or more signals or the second one or more signals is associated with a single link.

7. The repeater of claim 1, wherein the first frequency band or the second frequency band is different from an operating frequency of another cell, the other cell having a coverage area overlapping with a coverage area of ​​at least one of a primary cell or a secondary cell associated with the multi-hop link.

8. The repeater of claim 1 , wherein the one or more processors are further configured to: An indication of at least one of the first one or more communications parameters or the second one or more communications parameters is received from a network node.

9. The repeater of claim 8, wherein to receive the indication of at least one of the first one or more communication parameters or the second one or more communication parameters, the one or more processors are configured to: A dynamic indication is received that activates a number of line-of-sight (LOS) multiple-input multiple-output (MIMO) layers for the first one or more signals or the second one or more signals.

10. The repeater of claim 8, wherein to receive the indication of at least one of the first one or more communication parameters or the second one or more communication parameters, the one or more processors are configured to: The indication is received via a primary cell associated with the multi-hop link.

11. The repeater of claim 1 , wherein at least one of the first one or more communication parameters or the second one or more communication parameters is based at least in part on a modulation and coding scheme associated with the multi-hop link.

12. The repeater of claim 1 , wherein the first one or more communication parameters and the second one or more communication parameters comprise corresponding parameters, the corresponding parameters comprising at least one of: bandwidth; The number of multiple-input multiple-output (MIMO) layers; or Modulation and coding schemes.

13. The repeater of claim 1 , wherein the first one or more signals comprise a single signal associated with a first bandwidth, and wherein to perform the actions, the one or more processors are configured to: down-converting the single signal into a baseband signal; performing low pass filtering on the baseband signal to filter the first bandwidth into a certain number of segments; upconverting the baseband signal to the second one or more signals associated with the second frequency band and to a second bandwidth; and The segments are mapped to a plurality of multiple-input multiple-output (MIMO) layers, wherein the plurality of MIMO layers includes the number of MIMO layers.

14. The repeater of claim 1 , wherein the first one or more signals include a number of line-of-sight (LOS) multiple-input multiple-output (MIMO) layers associated with a first bandwidth, and wherein to perform the actions, the one or more processors are configured to: up-converting the first one or more signals to the second frequency band and up-converting to a second bandwidth; and The LOS MIMO layers are combined into a single link associated with the second frequency band and the second bandwidth.

15. A method of wireless communication performed by a repeater, the method comprising: receiving, via a first frequency band, first one or more signals of communications associated with a multi-hop link, wherein the first one or more signals are associated with first one or more communication parameters resulting in a data capacity of the first one or more signals; performing an action to adjust the first one or more communication parameters to second one or more communication parameters for transmission via a second frequency band, wherein the second one or more communication parameters enable the data capacity to be maintained; as well as A second one or more signals of the communication are transmitted via the second frequency band and via the multi-hop link using the second one or more communication parameters.

16. The method of claim 15, wherein the first frequency band and the second frequency band are at least one of: different frequency bands; or A frequency band includes sub-bands separated by guard bands.

17. The method of claim 15, wherein the first one or more communication parameters include a first bandwidth and a first number of multiple-input multiple-output (MIMO) layers, the first bandwidth and the first number of multiple-input multiple-output (MIMO) layers resulting in the data capacity of the first one or more signals; wherein the second one or more communication parameters include a second bandwidth and a second number of MIMO layers, the second bandwidth and the second number of MIMO layers resulting in another data capacity of the second one or more signals; and The difference between the data capacity and the another data capacity satisfies a threshold.

18. The method of claim 15, wherein the first one or more communication parameters include a first bandwidth that is greater than a second bandwidth included in the second one or more communication parameters, and wherein performing the action comprises: The first one or more signals are converted into a plurality of multiple-input multiple-output (MIMO) layers.

19. The method of claim 15, wherein the first one or more communication parameters include a first bandwidth and a plurality of multiple-input multiple-output (MIMO) layers, the first bandwidth being less than a second bandwidth included in the second one or more communication parameters, and wherein performing the action comprises: The plurality of MIMO layers are combined into a single signal having the second bandwidth.

20. The method of claim 15, wherein a first transmission from the first one or more signals or the second one or more signals is associated with line-of-sight (LOS) multiple-input multiple-output (MIMO) communication, and Wherein a second transmission from the first one or more signals or the second one or more signals is associated with a single link.

21. The method of claim 15, wherein the first frequency band or the second frequency band is different from an operating frequency of another cell having a coverage area overlapping with a coverage area of ​​at least one of a primary cell or a secondary cell associated with the multi-hop link.

22. The method according to claim 15, further comprising: An indication of at least one of the first one or more communications parameters or the second one or more communications parameters is received from a network node.

23. The method of claim 22, wherein receiving the indication of at least one of the first one or more communication parameters or the second one or more communication parameters comprises: A dynamic indication is received that activates a number of line-of-sight (LOS) multiple-input multiple-output (MIMO) layers for the first one or more signals or the second one or more signals.

24. The method of claim 22, wherein receiving the indication of at least one of the first one or more communication parameters or the second one or more communication parameters comprises: The indication is received via a primary cell associated with the multi-hop link.

25. The method of claim 15, wherein at least one of the first one or more communication parameters or the second one or more communication parameters is based at least in part on a modulation and coding scheme associated with the multi-hop link.

26. The method of claim 15, wherein the first one or more communication parameters and the second one or more communication parameters comprise corresponding parameters, the corresponding parameters comprising at least one of: bandwidth; The number of multiple-input multiple-output (MIMO) layers; or Modulation and coding schemes.

27. The method of claim 15, wherein the first one or more signals comprises a single signal associated with a first bandwidth, and wherein performing the actions comprises: down-converting the single signal into a baseband signal; performing low pass filtering on the baseband signal to filter the first bandwidth into a certain number of segments; upconverting the baseband signal to the second one or more signals associated with the second frequency band and to a second bandwidth; and The segments are mapped to a plurality of multiple-input multiple-output (MIMO) layers, wherein the plurality of MIMO layers includes the number of MIMO layers.

28. The method of claim 15, wherein the first one or more signals include a number of line-of-sight (LOS) multiple-input multiple-output (MIMO) layers associated with a first bandwidth, and wherein performing the actions includes: upconverting the first one or more signals to the second frequency band and upconverting to a second bandwidth; as well as The LOS MIMO layers are combined into a single link associated with the second frequency band and the second bandwidth.

29. A non-transitory computer readable medium storing an instruction set for wireless communication, the instruction set comprising: One or more instructions that, when executed by one or more processors of a repeater, cause the repeater to: receiving, via a first frequency band, first one or more signals of communications associated with a multi-hop link, wherein the first one or more signals are associated with first one or more communication parameters resulting in a data capacity of the first one or more signals; performing an action to adjust the first one or more communication parameters to second one or more communication parameters for transmission via a second frequency band, wherein the second one or more communication parameters enable the data capacity to be maintained; as well as A second one or more signals of the communication are transmitted via the second frequency band and via the multi-hop link using the second one or more communication parameters.

30. An apparatus for wireless communication, the apparatus comprising: means for receiving, via a first frequency band, first one or more signals for communications associated with a multi-hop link, wherein the first one or more signals are associated with first one or more communication parameters resulting in a data capacity of the first one or more signals; means for performing actions to adjust the first one or more communication parameters to second one or more communication parameters for transmission via a second frequency band, wherein the second one or more communication parameters enable the data capacity to be maintained; and Means for transmitting a second one or more signals of the communication via the second frequency band and via the multi-hop link using the second one or more communication parameters.

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