RU2800589C1 - Method and device for transmitting information, communication device and data carrier - Google Patents

Abstract

FIELD: wireless communication.

SUBSTANCE: according to the transmission method, PDCCH signalling corresponding to a UE type is used to carry random access response control information corresponding to a UE type. Various types of PDCCH signalling can satisfy the transmission requirements of random access response control information of various UE types, which reduces the coupling between the random access response control information of various UE types and improves the flexibility of transmitting random access response control information.

EFFECT: improved flexibility of transmitting control information of the random access response increasing efficiency of communication.

14 cl, 9 dwg

Description

FIELD OF TECHNOLOGY

[0001] The present invention relates, without limitation, to the field of wireless communication technology and, in particular, to a method for transmitting information, an apparatus for transmitting information, a communication device, and a data carrier.

BACKGROUND OF THE INVENTION

[0002] In the fourth generation (4G) cellular mobile communication system, machine type communication technology (MTS, machine type communication) and narrow band Internet of Things (NB-IoT, narrow band Internet of Things) technology have been proposed to support Internet of Things services, which in mainly intended for low bit rate, high latency scenarios such as meter reading and environmental monitoring scenarios. NB-IoT technology usually supports a maximum speed of several hundred k, and MTS technology usually supports a maximum speed of several M. In addition, with the continuous development of Internet of Things services, such as the growing popularity of video surveillance, smart home, wearable devices, industrial sensor control and etc., these services typically require speeds of 10 to 100 M and also have relatively high latency requirements. Thus, it is difficult for MTS and NB-IoT technologies in LTE to meet these requirements.

[0003] The new radio (NR) technology of the fifth generation (5G) cellular mobile communication system uses a new type of user equipment (UE, user equipment) to meet the requirements of such mid-end IoT devices. The new type of UE is referred to as UE Restricted or New Radio Restricted (NR-lite) UE for short.

[0004] Restricted UE requirements are low cost, low complexity, a certain degree of coverage improvement, and power saving. Since the current 5G NR technology is designed for high-end terminals such as high-speed, low-latency terminals, the current development cannot meet the requirements described above for UEs with limited capabilities. Therefore, it is necessary to modify the current NR system to meet the requirements for a disabled UE.

SUMMARY OF THE INVENTION

[0005] In view of this, embodiments of the present invention provide an information transmission method, an information transmission apparatus, a communication device, and a storage medium.

[0006] According to a first aspect of embodiments of the present invention, a method for transmitting information is provided. The information transmission method is applied in the base station and includes signaling a physical downlink control channel (PDCCH) corresponding to a type of user equipment (UE) according to a type of UE. PDCCH signaling carries random access response control information for the UE. Different UE types correspond to different PDCCH signaling, and the random access response control information is configured to indicate scheduling information associated with the random access response.

[0007] According to a second aspect of embodiments of the present invention, a method for transmitting information is provided. The information transmission method is applied in a user equipment (UE) and includes receiving physical downlink control channel (PDCCH) signaling with reception parameters corresponding to the UE type. PDCCH signaling carries UE random access response control information. Different UE types correspond to different PDCCH signaling, and the random access response control information is configured to indicate scheduling information associated with the random access response.

[0008] According to a third aspect of embodiments of the present invention, a communication device is provided. The communication device includes a processor; transceiver; memory and an executable program stored in memory and capable of being executed by the processor. The processor is configured to perform the steps of the information transfer method according to the first aspect or the second aspect when executing an executable program.

[0009] In the information transmission method, information transmission apparatus, communication device, and storage medium provided by the embodiments of the present invention, the base station transmits a Physical Downlink Control Channel (PDCCH) signaling corresponding to a UE type according to a UE type. PDCCH signaling carries random access response control information for the UE. Different UE types correspond to different PDCCH signaling, and the random access response control information is configured to indicate scheduling information associated with the random access response. Thus, the PDCCH signaling corresponding to the UE type is used to carry control information of the random access response corresponding to the UE type. On the one hand, PDCCH signaling corresponding to a UE type is used to carry random access response control information to meet different transmission requirements of different UE types, which improves communication efficiency. On the other hand, various types of PDCCH signaling can satisfy the transmission requirements of random access response control information of various UE types, which reduces the coupling between random access response control information of various UE types and improves the flexibility of transmitting random access response control information.

[00010] It should be understood that both the foregoing general description and the following detailed description are illustrative and explanatory only and are not intended to limit embodiments of the present invention.

BRIEF DESCRIPTION OF THE DRAWINGS

[00011] The accompanying drawings, which are incorporated in and form part of this specification, illustrate embodiments of the present invention and, together with the description, serve to explain the principles of the embodiments of the present invention.

[00012] FIG. 1 is a schematic diagram illustrating a wireless communication system according to an exemplary embodiment of the invention.

[00013] FIG. 2 is a flowchart illustrating a method for transmitting information according to an exemplary embodiment of the invention.

[00014] FIG. 3 is a schematic diagram illustrating possible CCH resource positions according to an exemplary embodiment of the invention.

[00015] FIG. 4 is a block diagram illustrating another method for transmitting information in accordance with an exemplary embodiment of the invention.

[00016] FIG. 5 is a block diagram illustrating yet another method for transmitting information in accordance with an exemplary embodiment of the invention.

[00017] FIG. 6 is a block diagram illustrating yet another method for transmitting information in accordance with an exemplary embodiment of the invention.

[00018] FIG. 7 is a block diagram illustrating an information transfer apparatus according to an exemplary embodiment of the invention.

[00019] FIG. 8 is a block diagram illustrating another device for transmitting information in accordance with an exemplary embodiment of the invention.

[00020] FIG. 9 is a block diagram illustrating an apparatus for transmitting information according to an exemplary embodiment of the invention.

DETAILED DESCRIPTION OF THE INVENTION

[00021] Exemplary embodiments of the invention will now be discussed in detail, examples of which are illustrated in the accompanying drawings. The following description refers to the accompanying drawings, and the same numbers in different drawings represent the same or similar elements, unless otherwise indicated. The implementations set forth in the following description of illustrative embodiments of the invention do not represent all implementations consistent with the invention. Instead, they are merely examples of devices and methods consistent with aspects related to embodiments of the invention as set forth in the appended claims.

[00022] The terms used in the embodiments of the present invention are only intended to describe certain embodiments of the invention and are not intended to limit the embodiments of the invention. Used in the embodiments of the present invention and the appended claims, the singular forms are also intended to include the plural, unless the context clearly indicates otherwise. It can also be understood that the combination "and/or" as used herein refers to and includes any and all possible combinations of one or more related listed elements.

[00023] It can be understood that while the terms "first", "second", "third", etc., may be used in the embodiments of the present invention. to describe various information, the information is not limited to these terms. These terms are only used to distinguish information of the same type. For example, within the spirit of the embodiments of the present invention, the first information may also be referred to as second information, and similarly, the second information may also be referred to as first information. Depending on the context, the word "if" as used herein can mean "after", "when", or "in response to a determination".

[00024] FIG. 1 is a schematic diagram illustrating a wireless communication system according to an exemplary embodiment of the invention. As shown in FIG. 1, the wireless communication system is a communication system based on cellular mobile technology, and the wireless communication system may include a plurality of terminals 11 and a plurality of base stations 12.

[00025] Terminal 11 may be a device that provides communication for voice and/or data to a user. Terminal 11 may communicate with one or more core networks via a radio access network (RAN, radio access network). Terminal 11 may be an IoT terminal such as a touchscreen device, a mobile phone (referred to as a "cellular" phone), and an IoT terminal computer. For example, terminal 11 may be a fixed, portable, handheld, handheld, computer-integrated, or vehicle-mounted device. For example, terminal 11 may be a station (STA), subscriber unit, subscriber station, mobile station, mobile device, remote station, access point, remote terminal, access terminal, user terminal, user agent, user device, or user equipment (UE). Alternatively, terminal 11 may be an unmanned aerial vehicle device. Alternatively, the terminal 11 may be a vehicle-mounted device, such as a trip computer with a wireless communication function, or a wireless communication device externally connected to the trip computer. Alternatively, the terminal 11 may also be a roadside device, such as a street lamp, traffic light, or other roadside device with a wireless communication function.

[00026] Base station 12 may be a network device in a wireless communication system. The wireless communication system may be a fourth generation (4G) mobile communication technology system, also known as a long term evolution (LTE) system. Alternatively, the wireless communication system may also be a fifth generation (5G) mobile communication technology system, also called a new radio (NR, new radio) system or a 5G NR system. Alternatively, the wireless communication system may also be a next generation 5G system. The access network in a 5G system may be referred to as a new generation-radio access network (NG-RAN). Alternatively, the wireless communication system may also be an MTC system.

[00027] Base station 12 may be an evolved base station (eNB) adopted in a 4G system. Alternatively, base station 12 may also be a centralized distributed architecture base station (gNB) in a 5G system. When base station 12 uses a centralized distributed architecture, base station 12 typically contains a central unit (CU, central unit) and at least two distributed units (DU, distributed unit). The central unit is equipped with a protocol stack of the packet data convergence protocol (PDCP) layer, the radio link control layer (RLC), or the media access control layer (MAC). The protocol stack of the physical (PHY) layer is provided in a distributed block. The specific implementation method of the base station 12 is not limited to the embodiments of the present invention.

[00028] A wireless connection may be established between base station 12 and terminal 11 via a wireless air interface. In some embodiments, the wireless air interface is a wireless air interface based on the fourth generation (4G) mobile network technology standard. Alternatively, the wireless radio interface is a wireless radio interface based on the fifth generation (5G) mobile network technology standard. For example, the wireless air interface is a new radio. Alternatively, the wireless air interface may also be a wireless air interface based on a 5G next generation mobile communication network technology standard.

[00029] In some embodiments of the invention, an end-to-end connection (E2E, end-to-end) can also be established between the terminals 11, for example, vehicle-to-vehicle communication (V2V, vehicle to vehicle), vehicle-to-infrastructure communication (V2I, vehicle to infrastructure) and communication of a vehicle with a pedestrian (V2P, vehicle to pedestrian) in the scenarios of communication of a vehicle with all objects (V2X, vehicle to everything).

[00030] In some embodiments of the invention, the wireless communication system described above may also include a network control device 13.

[00031] A plurality of base stations 12 are respectively connected to the network control device 13 . The network control device 13 may be a core network device in a wireless communication system. For example, the network management device 13 may be a mobility management entity (MME) in an evolved packet core (EPC) network. Alternatively, the network management device may also be another core network device such as serving gateway (SGW, serving gateway), public data network gateway (PGW), public data network gateway (PGW), policy and charging rules functional block (PCRF, policy and charging rules function) or home subscriber server (HSS, home subscriber server). The implementation form of the network control device 13 is not limited to the embodiments of the present invention.

[00032] Entities involved in embodiments of the present invention include, but are not limited to, user equipment such as a terminal supporting 5G cellular mobile communication and a base station.

[00033] An application scenario of the embodiments of the present invention is that at present, when the physical random access channel (PRACH) resources used by UEs performing random access have the same time and the same frequency, random access responses of the UE will be scheduled with the same PDCCH signaling on the same physical downlink shared channel (PDSCH) resource, i.e. scheduled with the same random access signaling. access (RAR, random access response) PDCCH. The search space carrying the RAR scheduling in NR is called PDCCH type 1 common search space (Type 1 PDCCH CSS), and the transmitted PDCCH signaling is scrambled with a random access radio network temporary identifier (RA-RNTI) for cyclic redundancy check (CRC, cyclic redundancy check).

[00034] The PDCCH RAR signaling search space determines the corresponding CCE resource in the corresponding CORESET according to the resource definition rule. The resource definition rule can be represented by the following expression (1):

Where represents the iteration value, and for the search space ; N _CCE,p represents the total number of CCEs contained in the CORESET, p represents the p-th set of physical resource blocks; L is the CCE aggregation level, i=0,Λ,L-1; represents the number of possible transmission positions corresponding to the CCE aggregation level L, and ; is the value of the carrier indicator field, and for the search space .

[00035] N time units after the UE transmits a random access request, the user starts monitoring the RAR PDCCH signaling in the CSS PDCCH type 1. All snooping will continue for X time units, and if the user does not monitor any RAR signaling PDCCH for X units of time, it may be determined that the random access is not successful. The units of time X are referred to here as the random access response window.

[00036] The disabled UE and the non-restricted NR UE should jointly track the random access response using the same RAR PDCCH resource and the same RAR PDSCH resource. Random access PDCCH signaling is transmitted in the same search space, but in practice, disabled UEs and non-restricted NR UEs have different capabilities and share a set of random access transmission and reception procedures, which limits flexibility.

[00037] Embodiments of the present invention provide an information transfer method that can be applied to a base station in a mobile communication network. As shown in FIG. 2, the information transfer method may include step 201.

[00038] In step 201, the PDCCH signaling corresponding to the UE type is transmitted according to the UE type. PDCCH signaling carries random access response control information for the UE. Different UE types correspond to different PDCCH signaling, and the random access response control information is configured to indicate scheduling information associated with the random access response.

[00039] Different types of UEs may be UEs with different data transmission capabilities and/or different signal reception capabilities. Here, data transmission capability may include transmission rate and/or transmission delay and/or buffer size and/or received transmission block size, and so on. There may be two or more UE types.

[00040] In some embodiments, the first UE type and the second UE type may be two types of different UE types. The first type of UE may be a disabled UE in a 5G cellular mobile communication system. The second type of UE may be a non-restricted UE in the 5G cellular mobile communication system, such as an Enhanced Mobile Broadband (eMBB) terminal. The first type UE has a larger buffer, fewer transmissions, higher transmission delay, and a larger transmission unit received per reception compared to the second type of UE.

[00041] The random access response scheduling information may include PDSCH resource information and random access response modulation and coding strategy information. The random access response scheduling information may be downlink control information (DCI) transmitted using a PDCCH resource. The base station may carry the random access response control information in the PDCCH signaling and transmit the random access response based on the transmission resource indicated by the random access response control information. The UE receives and analyzes the control information of the random access response, and receives a random access response on the PDSCH resource as well as a modulation and coding strategy indicated by the control information of the random access response. Here, the PDCCH signaling may be RAR PDCCH signaling.

[00042] The first type UE random access response control information and the second UE type random access response control information are transmitted in the same PDCCH signaling. The first type UE and the second type UE may be UEs with different data transmission capabilities and/or different signal reception capabilities. Thus, the same PDCCH signaling must simultaneously satisfy the data transmission and/or signal quality requirements of the first UE type and the second UE type, so that the PDCCH signaling resource range is limited to both the first and second UE types, which reduces flexibility. PDCCH signaling resource configuration.

[00043] Here, the first PDCCH signaling type and the second PDCCH signaling type can be used to carry random access response control information for the first UE type and random access response control information for the second UE type, respectively. The first type of PDCCH signaling is different from the second type of PDCCH signaling. Here, that the first PDCCH signaling type is different from the second PDCCH signaling type may mean that the first PDCCH signaling type is different from the second PDCCH signaling type (eg, using different DCI types to carry random access response control information), and may also mean that the first PDCCH signaling and the second PDCCH signaling are the same type of signaling but use different transmission processes (eg, different transmission resources, different transmission parameters and/or different transmission rules, etc.) for transmission.

[00044] For example, the first type of PDCCH signaling and the second type of PDCCH signaling may be PDCCH signaling with different transmission resources. For example, the search space of the first PDCCH signaling type may be different from the search space of the second PDCCH signaling type. Alternatively, the transmission period of the first PDCCH signaling type may be different from the transmission period of the second PDCCH signaling type. Alternatively, the transmission bandwidth of the first PDCCH signaling type may be different from the transmission bandwidth of the second PDCCH signaling type.

[00045] Different types of PDCCH signaling may meet the data transmission requirements and/or signal quality requirements of different types of UEs. For example, in case the first type of UE has higher signal quality requirements, the first type of PDCCH signaling having a frequency domain resource with less interference can be used.

[00046] When the UE receives the PDCCH signaling, the UE may receive the PDCCH signaling corresponding to the UE type according to the reception parameters corresponding to the UE type. The reception parameters may be predetermined within the UE. The receive parameters may be a PDCCH signaling transmission resource parameter and/or a PDCCH descrambling sequence and/or a PDCCH signaling random access search space time-frequency resource parameter, and the like.

[00047] In some embodiments of the invention, a first type UE may receive a first type PDCCH signaling in accordance with the reception parameters corresponding to the first type of UE.

[00048] The random access response control information carried by different PDCCH signaling may be different, and different random access response control information may indicate different random access response scheduling information. Thus, different UE types can receive their respective random access responses on different transmission resources, which increases the flexibility of transmitting random access responses and reduces the coupling between random access responses of different UE types.

[00049] Thus, the PDCCH signaling corresponding to the UE type is used to carry control information of the random access response corresponding to the UE type. On the one hand, using PDCCH signaling corresponding to a UE type to carry random access response control information satisfies different transmission requirements for different UE types and improves communication efficiency. On the other hand, various types of PDCCH signaling can satisfy the transmission requirements of random access response control information of various UE types, which reduces the coupling between random access response control information of various UE types and improves the flexibility of transmitting random access response control information.

[00050] In some embodiments, the search spaces of different PDCCH signaling corresponding to different UE types belong to different control resource sets (CORESETs).

[00051] CORESET includes resources such as the bandwidth occupied by PDCCH signaling in the frequency domain in the search space and the number of orthogonal frequency division multiplexing (OFDM) symbols occupied in the time domain.

[00052] The base station may use different CORESETs to send PDCCH signaling corresponding to different UE types, respectively.

[00053] The UE may receive PDCCH signaling based on the CORESET corresponding to the UE type.

[00054] In some embodiments, CORESET#1 may be used to configure a non-disabled UE, and CORESET#0 may be used to configure a disabled UE.

[00055] Thus, the random access response control information of different UE types can be carried in the PDCCH signaling transmitted by different CORESETs, so that different PDCCH signaling can be used to carry the random access response control information of different UE types.

[00056] In some embodiments, the search spaces of different PDCCH signaling corresponding to different UE types are different.

[00057] Here, PDCCH signaling corresponding to different UE types may be carried by different search spaces.

[00058] The reception parameters may be search space resource parameters, and different UE types may receive respective PDCCHs in search spaces corresponding to UE types in accordance with the resource parameters of the respective search spaces.

[00059] The resource parameters may include frequency domain parameters and/or search space time domain parameters. Different frequency domain parameters may indicate different frequency domain resources, and different time domain parameters may indicate different time domain resources.

[00060] A search space corresponding to a UE type may be configured according to various UE types. For example, for transmission capabilities of different types of UEs, search spaces corresponding to the transmission capabilities may be configured.

[00061] In this way, different search spaces carry PDCCH signaling corresponding to different UE types, so that the PDCCH signaling search space corresponds to the corresponding UE type, which increases the flexibility of PDCCH signaling carrying random access response control information, ensures that different types of PDCCH signaling meet the requirements for transmitting the random access response control information of different UE types, reduces the coupling between the random access response control information of different UE types, and therefore reduces the error rate caused by data decoding, which increases the probability of successful reception of the PDCCH signaling by the UE.

[00062] In some embodiments of the invention, PDCCH signaling corresponding to a UE type includes PDCCH signaling on a candidate control channel element (CCE) resource determined according to a resource determination rule. The resource determination rules corresponding to different UE types are different.

[00063] Here, the CCE resources defined using different policy parameters in the shared CORESET of different UE types are different.

[00064] The CCE resource is the basic unit of a shared search space transmission resource carrying PDCCH signaling. A search space transmission resource carrying PDCCH signaling may have one or more CCE resources.

[00065] The CCE resource carrying the PDCCH signaling may be determined using the resource determination rule shown in expression (1). Different resource definition rules can be used to obtain different CCE resources.

[00066] Here, different resource definition rules for different UE types in a shared CORESET of different UE types can be provided to obtain different possible CCE resources. Various possible CCE resources may be used to carry PDCCH signaling for different UE types.

[00067] Thus, by defining different resource determination rules for different UE types, random access response control information of different UE types can be carried in PDCCH signaling carried by different CCE resources, so that different PDCCH signaling can be used to carry random access response control information various types of UE.

[00068] In some embodiments of the invention, the parameters of the resource determination rules corresponding to different UE types are different. Rule parameters include bias parameters and/or random parameters.

[00069] Different offset parameters and/or random parameters may be used for different UE types.

[00070] Here, the offset parameters may be 0. Based on the different offset parameters, different CCE resources may be obtained using resource determination rules to obtain different transmission resources for PDCCH signaling.

[00071] Alternatively, the predetermined parameters of the resource determination rules may be random, and different CCE resources may be obtained using different random parameters.

[00072] In some embodiments, the offset parameter X is determined based on the resource determination rule shown in expression (1), and the resource determination rule shown in the following expression (2) can be obtained. The CCE resource obtained using the resource determination rule shown in expression (1) is different from the CCE resource obtained using the resource determination rule shown in expression (2):

Where represents the iteration value, and for the search space ; N _CCE,p represents the total number of CCEs contained in the CORESET; p represents the p-th set of physical resource blocks; L is the CCE aggregation level, and i=0,Λ,L-1; represents the number of possible transmission positions corresponding to the CCE aggregation level L, and ; is the value of the carrier indicator field, and for the search space .

[00073] For a first UE type, X may be non-0, and for a second UE type, X may be 0. Thus, a second UE type may transmit a second PDCCH signaling using a CCE resource, in the art. The first type UE may transmit the first PDCCH signaling using a different CCE resource than the second type UE resource.

[00074] For example, for a non-disabled UE configuration, X may be 0. For a disabled UE configuration, X may not be 0.

[00075] The offset parameter may be an offset of a particular parameter of an existing resource determination rule. For example, the offset parameter could be the offset

[00076] In some embodiments, for a non-capable UE configuration, the offset may be 0, and for a disabled UE configuration, the offset may be a non-zero number. Thus, different CCE resources can be configured for non-restricted UEs and disabled UEs.

[00077] In some embodiments, the PDCCH resource aggregation levels for different PDCCH signaling corresponding to different UE types are different; and/or the number of possible PDCCH resource transmission positions for different PDCCH signaling corresponding to different UE types are different; and/or possible retransmission positions of different PDCCH signaling corresponding to different UE types are different.

[00078] The aggregation level may be the number of CCE resources constituting one PDCCH resource. The aggregation level may be 1, 2, 4, or 8. The aggregation level may represent the number of CCE resources in the PDCCH resource. For example, the number of CCE resources in a PDCCH resource with aggregation level 8 is 8.

[00079] PDCCH resources of different levels of aggregation are different. Therefore, PDCCH resources with different aggregation levels are used to transmit PDCCH signaling corresponding to different UE types, respectively. Thus, different PDCCH signaling can be used to carry random access response control information of different UE types.

[00080] There are many CCE resources in the search space. For example, there are 88 CCE resources in the search space. There may be multiple PDCCH resource positions of the same aggregation level in the search space. That is, there are many possible PDCCH resource transmission positions. Here, PDCCH resources at various possible transmission positions may be used to transmit the first PDCCH signaling and the second PDCCH signaling, respectively. Thus, different PDCCH signaling can be used to carry random access response control information of different UE types.

[00081] In some embodiments of the invention, as shown in FIG. 3, there are n CCE resources in the search space, for example n=88. PDCCH resources with aggregation level 8 can have two possible positions, ie. possible position 1 and possible position 2 in the search space. The PDCCH resource at candidate position 1 may be used to transmit the first PDCCH signaling, and the PDCCH resource at candidate position 2 may be used to transmit the second PDCCH signaling.

[00082] During the PDCCH signaling retransmission process, different UE types of PDCCH signaling may use different possible retransmission positions. Thus, for retransmission of PDCCH signaling, different PDCCH signaling can be used to carry control information of the random access response of different UE types.

[00083] In some embodiments of the invention, PDCCH signaling corresponding to a UE type includes PDCCH signaling within a random access response window corresponding to a UE type. The random access response windows corresponding to different UE types are different.

[00084] N units of time after the user transmits the random access preamble, the UE starts monitoring the PDCCH signaling in the PDCCH type 1 CSS. The time period for monitoring the PDCCH signaling is called the random access response window. The random access response window may be M units of time. If the user does not monitor any PDCCH signaling for M units of time, then this indicates that the random access is not successful.

[00085] Here, for different UE types, the base station may transmit PDCCH signaling in different random access response windows. UEs may monitor PDCCH signaling in different random access response windows according to UE types.

[00086] Thus, by providing different random access response windows for different UE types, random access response control information of different UE types can be transmitted in PDCCH signaling using random access response windows, so that different PDCCH signaling can be used to carry response control information. random access of various types of UE.

[00087] In some embodiments, the time intervals between random access response windows corresponding to different UE types and random access preambles are different; and/or durations of random access response windows corresponding to different UE types are different.

[00088] N units of time after the user transmits the random access preamble, the UE starts monitoring PDCCH signaling in the PDCCH type 1 CSS. The time period for monitoring PDCCH signaling is called the random access response window. The random access response window may be M units of time. If the user does not monitor any PDCCH signaling for M units of time, then this indicates that the random access is not successful.

[00089] Here, for different UE types, the values of N and/or M are different to obtain different random access response windows.

[00090] In some embodiments, the scrambling sequences of different PDCCH signaling corresponding to different UE types are different.

[00091] In order to distinguish between PDCCH signaling corresponding to different UE types, the base station may use different scrambling sequences to scramble the PDCCH signaling corresponding to different UE types, respectively.

[00092] In some embodiments, a first PDCCH signaling type is scrambled using a scrambling sequence corresponding to a first UE type, and a second PDCCH signaling type is scrambled using a scrambling sequence corresponding to a second UE type.

[00093] For example, the first PDCCH signaling type and the second PDCCH signaling type may be scrambled using UE identifiers corresponding to the first UE type and the second UE type, respectively. Here, the UE ID of the first UE type is different from the UE ID of the second UE type. That the UE ID of the first UE type is different from the UE ID of the second UE type may mean that the number of bits of the IDs is different and/or the ID encoding processes are different.

[00094] The receive parameter may be a UE descrambling sequence. UEs of the same type have the same scrambling sequence and the same descrambling sequence. Upon receiving the PDCCH signaling, the UE may use the appropriate descrambling sequence to descramble the PDCCH signaling. If the descrambling is successful, it is determined that the PDCCH signaling is the PDCCH signaling transmitted to the UE.

[00095] Thus, different types of PDCCH signaling are transmitted in the same search space, which increases the throughput of the search space and improves communication efficiency.

[00096] In some embodiments, the scrambling sequences are random access radio network temporary identifiers (RA-RNTIs). The RA-RNTIs of different UE types are different.

[00097] Here, different RA-RNTIs can be assigned to different UE types, and the base station uses the RA-RNTI corresponding to the UE type to scramble the PDCCH signaling.

[00098] After the UE side receives the PDCCH signaling, the UE side may receive the RA-RNTI corresponding to the UE type to perform descrambling.

[00099] In some embodiments of the invention, RA-RNTI in the art may be used for non-restricted UEs. For the disabled UE, a new different RA-RNTI may be determined by the communication protocol, or a different RA-RNTI may be configured by the base station.

[000100] In some embodiments of the invention, the method of calculating the RA-RNTI of different UE types may be determined by the communication protocol. For the RA-RNTI of the first UE type, the calculation method shown in the following expression (3) in the art may be used:

where t_id represents the number (in the range of 0 to 9) of the subframe identifier (ID) of the random access preamble transmission start position, and ƒ_id represents the value (in the range of 0 to 5) of ƒ_RA in the four-element group.

[000101] For the second UE type, the calculation parameters are adjusted based on expression (3), and the RA-RNTI of the second UE type is calculated so that the RA-RNTI of the first UE type is different from the RA-RNTI of the second UE type. For example, the constant 1 can be adjusted based on expression (3) to obtain expression (4), and the second type UE RA-TNTI is calculated by the calculation method shown in expression (4).

[000102] In some embodiments, the PDSCH resources corresponding to different UE types and scheduled by the random access response control information are different. The PDSCH resources are configured to send a random access response.

[000103] The random access response control information in the PDCCH signaling may be used to schedule the PDSCH resource for the random access response. Here, different PDSCH resources may be scheduled for different types of UEs for transmitting random access responses.

[000104] Thus, the random access response of the UE is transmitted via the PDSCH resource corresponding to the type of the UE. On the one hand, a PDSCH resource corresponding to a UE type is used to transmit a random access response to meet different transmission requirements for different UE types and improve communication efficiency. On the other hand, the coupling between random access responses of different types of UEs is reduced, and the flexibility of transmitting random access responses is improved.

[000105] In some embodiments, the method of transmitting information also includes carrying control information of a first UE type random access response with PDCCH signaling corresponding to a second UE type in response to the first UE type BWP being equal to frequency band CORESET#0.

[000106] The base station may be configured to use PDCCH signaling carrying random access response control information of various UEs. For example, the base station may be configured to use the second type of PDCCH signaling for the transfer.

[000107] In the search space configuration, if the initial bandwidth portions (BWPs) of different UE types are the same, the different UE types can track the same search space. That is, the PDCCH signaling of different UE types is the same.

[000108] In some embodiments, whether non-disability UEs and disabled UEs use different PDCCH signaling may be configured by the base station or determined according to other conditions. For example, if the initial BWP bandwidth of the disabled UE is equal to the bandwidth of CORESET#0, the disabled UE is configured to use the same PDCCH signaling as the non-restricted UE to carry random access response control information.

[000109] Thus, the base station can flexibly configure the PDCCH used by the UE.

[000110] In some embodiments of the invention, the method of transmitting information also includes the transmission of configuration signaling. The configuration signaling is configured to indicate that the random access response control information of the first UE type is carried by the PDCCH signaling corresponding to the first UE type or the PDCCH signaling corresponding to the second UE type.

[000111] The base station may configure PDCCH signaling carrying random access response control information for various UE types. For example, for the first UE type, the base station may configure the second PDCCH signaling type of the second UE type to carry random access response control information.

[000112] Thus, the base station can flexibly configure the PDCCH used by the UE.

[000113] In some embodiments of the invention, as shown in FIG. 4, the information transfer method also includes steps 202 and 203.

[000114] In step 202, the random access preamble transmitted by the UE is received.

[000115] In step 203, the type of the UE is determined according to the type indication information carried in the random access preamble.

[000116] When a UE accesses a base station through a 2-stage random access process or a 4-stage random access process, the UE first transmits a random access preamble to the base station. The UE may transmit type indication information indicating the type of the UE in the random access preamble.

[000117] After the base station receives the random access preamble, the base station determines the UE type according to the type indication information, and then transmits the PDCCH signaling corresponding to the UE type.

[000118] Embodiments of the present invention provide an information transfer method that can be applied to a UE in a mobile communication network. As shown in FIG. 5, the information transfer method may include step 501.

[000119] In step 501, the PDCCH signaling is received with the receive parameters corresponding to the UE type. PDCCH signaling carries UE random access response control information. Different UE types correspond to different PDCCH signaling, and the random access response control information is configured to indicate scheduling information associated with the random access response.

[000120] Different types of UEs may be UEs with different data transmission capabilities and/or different signal reception capabilities. Here, data transmission capability may include transmission rate and/or transmission delay and/or buffer size and/or received transmission block size, and so on. There may be two or more UE types.

[000121] In some embodiments, the first UE type and the second UE type may be two UE types of different types. The first type of UE may be a disabled UE in a 5G cellular mobile communication system. The second type of UE may be a non-restricted UE in a 5G cellular mobile communication system, such as an Enhanced Mobile Broadband (eMBB) terminal. The first type UE has a larger buffer, fewer transmissions, higher transmission delay, and a larger transmission unit received per reception compared to the second type of UE.

[000122] The random access response scheduling information may include PDSCH resource information and random access response modulation and coding strategy information. The random access response scheduling information may be downlink control information (DCI) transmitted using a PDCCH resource. The base station may transmit random access response control information in the PDCCH signaling, and transmit a random access response based on the transmission resource indicated by the random access response control information. The UE receives and analyzes the control information of the random access response, and receives a random access response on the PDSCH resource as well as a modulation and coding strategy indicated by the control information of the random access response. Here, the PDCCH signaling may be RAR PDCCH signaling.

[000123] The UE type 1 random access response control information and the UE type 2 random access response control information are transmitted in the same PDCCH signaling. The first type UE and the second type UE may be UEs with different data transmission capabilities and/or different signal reception capabilities. Thus, the same PDCCH signaling must simultaneously satisfy the data transmission and/or signal quality requirements of the first UE type and the second UE type, so that the PDCCH signaling resource range is limited to both the first and second UE types, which reduces flexibility. PDCCH signaling resource configuration.

[000124] Here, the first PDCCH signaling type and the second PDCCH signaling type can be used to carry random access response control information for the first UE type and random access response control information for the second UE type, respectively. The first type of PDCCH signaling is different from the second type of PDCCH signaling. Here, that the first PDCCH signaling type is different from the second PDCCH signaling type may mean that the first PDCCH signaling type is different from the second PDCCH signaling type (eg, using different DCI types to carry random access response control information), and may also mean that the first PDCCH signaling and the second PDCCH signaling are the same type of signaling but use different transmission processes (eg, different transmission resources, different transmission parameters and/or different transmission rules, etc.) for transmission.

[000125] For example, the first type of PDCCH signaling and the second type of PDCCH signaling may be PDCCH signaling with different transmission resources. For example, the search space of the first PDCCH signaling type may be different from the search space of the second PDCCH signaling type. Alternatively, the transmission period of the first PDCCH signaling type may be different from the transmission period of the second PDCCH signaling type. Alternatively, the transmission bandwidth of the first PDCCH signaling type may be different from the transmission bandwidth of the second PDCCH signaling type.

[000126] Different types of PDCCH signaling may meet the data transmission requirements and/or signal quality requirements of different types of UEs. For example, in case the first type of UE has higher signal quality requirements, the first type of PDCCH signaling having a frequency domain resource with less interference can be used.

[000127] When the UE receives the PDCCH signaling, the UE may receive the PDCCH signaling corresponding to the UE type according to the reception parameters corresponding to the UE type. The reception parameters may be predetermined within the UE. The receive parameters may be a PDCCH signaling transmission resource parameter and/or a PDCCH descrambling sequence and/or a PDCCH signaling random access search space time-frequency resource parameter, and the like.

[000128] In some embodiments, a first type UE may receive a first type PDCCH signaling in accordance with the reception parameters corresponding to the first type of UE.

[000129] The random access response control information carried by different PDCCH signaling may be different, and different random access response control information may indicate different random access response scheduling information. Thus, different UE types can receive their respective random access responses on different transmission resources, which increases the flexibility of transmitting random access responses and reduces the coupling between random access responses of different UE types.

[000130] Thus, the PDCCH signaling corresponding to the UE type is used to carry control information of the random access response corresponding to the UE type. On the one hand, using PDCCH signaling corresponding to a UE type to carry random access response control information satisfies different transmission requirements for different UE types and improves communication efficiency. On the other hand, various types of PDCCH signaling can satisfy the transmission requirements of random access response control information of various UE types, which reduces the coupling between random access response control information of various UE types and improves the flexibility of transmitting random access response control information.

[000131] In some embodiments, the receive parameters include control resource set (CORESET) parameters.

[000132] Receiving PDCCH signaling with reception parameters corresponding to the UE type includes receiving the PDCCH signaling in the CORESET of the PDCCH signaling search space corresponding to the UE type. The search spaces of different PDCCH signaling corresponding to different UE types belong to different CORESETs.

[000133] CORESET includes resources such as the bandwidth occupied by the PDCCH signaling in the frequency domain in the search space and the number of OFDM symbols occupied in the time domain.

[000134] The base station may use different CORESETs to send PDCCH signaling corresponding to different UE types, respectively.

[000135] The UE may receive PDCCH signaling based on a CORESET corresponding to the UE type.

[000136] In some embodiments, CORESET#1 may be used to configure a non-disabled UE, and CORESET#0 may be used to configure a disabled UE.

[000137] Thus, the random access response control information of different UE types can be carried in the PDCCH signaling transmitted by different CORESETs, so that different PDCCH signaling can be used to carry the random access response control information of different UE types.

[000138] In some embodiments, the receive parameters include resource parameters.

[000139] Receiving PDCCH signaling with the receive parameters corresponding to the UE type includes receiving the PDCCH signaling in the search space of the PDCCH signaling corresponding to the UE type with the resource parameter corresponding to the UE type. The search spaces of different PDCCH signaling corresponding to different UE types are different.

[000140] PDCCH signaling corresponding to different UE types may be carried by different search spaces.

[000141] The reception parameters may be search space resource parameters, and different UE types may receive respective PDCCHs in the search spaces corresponding to the UE types, in accordance with the resource parameters of the respective search spaces.

[000142] The resource parameters may include frequency domain parameters and/or search space time domain parameters. Different frequency domain parameters may indicate different frequency domain resources, and different time domain parameters may indicate different time domain resources.

[000143] A search space corresponding to a UE type may be configured according to various UE types. For example, for transmission capabilities of different types of UEs, search spaces corresponding to the transmission capabilities may be configured.

[000144] In this way, different search spaces carry PDCCH signaling corresponding to different UE types, so that the PDCCH signaling search space corresponds to the corresponding UE type, which increases the flexibility of PDCCH signaling carrying random access response control information, ensures that different types of PDCCH signaling meet the requirements for transmitting the random access response control information of different UE types, reduces the coupling between the random access response control information of different UE types, and therefore reduces the error rate caused by data decoding, which increases the probability of successful reception of the PDCCH signaling by the UE.

[000145] In some embodiments, the resource parameters include resource definition rule parameters.

[000146] Receiving PDCCH signaling with reception parameters corresponding to the UE type includes receiving the PDCCH signaling in a candidate control channel element (CCE) resource determined according to the PDCCH signaling resource determination rule corresponding to the UE type.

[000147] The resource determination rules corresponding to different UE types are different.

[000148] Here, the CCE resources defined using different policy parameters in the shared CORESET of different UE types are different.

[000149] The CCE resource is the basic unit of a shared search space transmission resource carrying PDCCH signaling. A search space transmission resource carrying PDCCH signaling may have one or more CCE resources.

[000150] The CCE resource carrying the PDCCH signaling may be determined using the resource determination rule shown in expression (1). Different resource definition rules can be used to obtain different CCE resources.

[000151] Here, different resource definition rules for different UE types in a shared CORESET of different UE types can be provided to obtain different possible CCE resources. Various possible CCE resources may be used to carry PDCCH signaling for different UE types.

[000152] Thus, by defining different resource definition rules for different UE types, random access response control information of different UE types can be carried in PDCCH signalings carried by different CCE resources, so that different PDCCH signaling can be used to carry random access response control information different types of UE.

[000153] In some embodiments of the invention, the parameters of the resource determination rules corresponding to different types of UE are different. Rule parameters include bias parameters and/or random parameters.

[000154] Different offset parameters and/or random parameters may be used for different UE types.

[000155] Here, the offset parameters may be 0. Based on the different offset parameters, different CCE resources may be obtained using resource determination rules to obtain different transmission resources for PDCCH signaling.

[000156] Alternatively, the predetermined parameters of the resource determination rules may be random, and different CCE resources may be obtained using different random parameters.

[000157] In some embodiments, the offset parameter X is determined based on the resource determination rule shown in expression (1), and the resource determination rule shown in the following expression (2) can be obtained. The CCE resource obtained using the resource determination rule shown in expression (1) is different from the CCE resource obtained using the resource determination rule shown in expression (2). represents the iteration value, and for the search space ; N _CCE,p represents the total number of CCEs contained in the CORESET; p represents the p-th set of physical resource blocks; L is the CCE aggregation level, and i=0,Λ,L-1; represents the number of possible transmission positions corresponding to the CCE aggregation level L, and ; is the value of the carrier indicator field, and for the search space .

[000158] For a first UE type, X may be non-0, and for a second UE type, X may be 0. Thus, a second TJE type may transmit a second PDCCH signaling using a CCE resource, in the art. The first type UE may transmit the first PDCCH signaling using a different CCE resource than the second type UE resource.

[000159] For example, for a non-disabled UE configuration, X may be 0. For a disabled UE configuration, X may not be 0.

[000160] The offset parameter may be an offset of a particular parameter of an existing resource determination rule. For example, the offset parameter could be the offset .

[000161] In some embodiments of the invention, for a non-restricted UE configuration, the offset may be 0, and for a disabled UE configuration, the offset may be a non-zero number. Thus, different CCE resources can be configured for non-restricted UEs and disabled UEs.

[000162] In some embodiments, the resource parameters include at least one of the following: PDCCH resource aggregation levels for various PDCCH signaling; and/or the number of possible PDCCH resource transmission positions for different PDCCH signaling; and/or possible retransmission positions of various PDCCH signaling.

[000163] The aggregation level may be the number of CCE resources constituting one PDCCH resource. The aggregation level may be 1, 2, 4, or 8. The aggregation level may represent the number of CCE resources in the PDCCH resource. For example, the number of CCE resources in a PDCCH resource with aggregation level 8 is 8.

[000164] PDCCH resources of different levels of aggregation are different. Therefore, PDCCH resources with different aggregation levels are used to transmit PDCCH signaling corresponding to different UE types, respectively. Thus, different PDCCH signaling can be used to carry random access response control information of different UE types.

[000165] There are many CCE resources in the search space. For example, there are 88 CCE resources in the search space. There may be multiple PDCCH resource positions of the same aggregation level in the search space. That is, there are many possible PDCCH resource transmission positions. Here, PDCCH resources at various possible transmission positions may be used to transmit the first PDCCH signaling and the second PDCCH signaling, respectively. Thus, different PDCCH signaling can be used to carry random access response control information of different UE types.

[000166] In some embodiments of the invention, as shown in FIG. 3, there are n CCE resources in the search space, for example n=88. PDCCH resources with aggregation level 8 can have two possible positions, ie. possible position 1 and possible position 2 in the search space. The PDCCH resource at candidate position 1 may be used to transmit the first PDCCH signaling, and the PDCCH resource at candidate position 2 may be used to transmit the second PDCCH signaling.

[000167] During the PDCCH signaling retransmission process, different types of PDCCH signaling UEs may use different possible retransmission positions. Thus, for retransmission of PDCCH signaling, different PDCCH signaling can be used to carry control information of the random access response of different UE types.

[000168] In some embodiments of the invention, the reception parameters include parameters of random access response windows.

[000169] Receiving PDCCH signaling with reception parameters corresponding to the UE type includes receiving the PDCCH signaling within the random access response window corresponding to the UE type.

[000170] The random access response windows corresponding to different UE types are different.

[000171] N units of time after the user transmits the random access preamble, the UE starts monitoring the PDCCH signaling in the PDCCH type 1 CSS. The time period for monitoring the PDCCH signaling is called the random access response window. The random access response window may be M units of time. If the user does not monitor any PDCCH signaling for M units of time, then this indicates that the random access is not successful.

[000172] Here, for different UE types, the base station may transmit PDCCH signaling in different random access response windows. UEs may monitor PDCCH signaling in different random access response windows according to UE types.

[000173] Thus, by providing different random access response windows for different UE types, random access response control information of different UE types can be transmitted in PDCCH signaling using random access response windows, so that different PDCCH signaling can be used to carry the response control information random access of various types of UE.

[000174] In some embodiments, the time intervals between random access response windows corresponding to different UE types and random access preambles are different; and/or durations of random access response windows corresponding to different UE types are different.

[000175] N units of time after the user transmits the random access preamble, the UE starts monitoring PDCCH signaling in the PDCCH type 1 CSS. The time period for monitoring PDCCH signaling is called the random access response window. The random access response window may be M units of time. If the user does not monitor any PDCCH signaling for M units of time, then this indicates that the random access is not successful.

[000176] Here, for different UE types, the values of N and/or M are different in order to obtain different random access response windows.

[000177] In some embodiments of the invention, receiving PDCCH signaling with reception parameters corresponding to the UE type includes descrambling the PDCCH signaling with a descrambling sequence corresponding to the UE type. The descrambling sequences of different PDCCH signaling corresponding to different UE types are different.

[000178] To distinguish between PDCCH signaling corresponding to different UE types, a base station may use different scrambling sequences to scramble the PDCCH signaling corresponding to different UE types, respectively.

[000179] In some embodiments, a first PDCCH signaling type is scrambled using a scrambling sequence corresponding to a first UE type, and a second PDCCH signaling type is scrambled using a scrambling sequence corresponding to a second UE type.

[000180] For example, the first PDCCH signaling type and the second PDCCH signaling type may be scrambled using UE identifiers corresponding to the first UE type and the second UE type, respectively. Here, the UE ID of the first UE type is different from the UE ID of the second UE type. That the UE ID of the first UE type is different from the UE ID of the second UE type may mean that the number of bits of the IDs is different and/or the ID encoding processes are different.

[000181] The receive parameter may be a UE descrambling sequence. UEs of the same type have the same scrambling sequence and the same descrambling sequence. Upon receiving the PDCCH signaling, the UE may use the appropriate descrambling sequence to descramble the PDCCH signaling. If the descrambling is successful, it is determined that the PDCCH signaling is the PDCCH signaling transmitted to the UE.

[000182] Thus, different types of PDCCH signaling are transmitted in the same search space, which increases the throughput of the search space and improves communication efficiency.

[000183] In some embodiments, the scrambling sequences are random access radio network temporary identifiers (RA-RNTIs). The RA-RNTIs of different UE types are different.

[000184] Here, different RA-RNTIs may be assigned to different UE types, and the base station uses the RA-RNTI corresponding to the UE type to scramble the PDCCH signaling.

[000185] After the UE side receives the PDCCH signaling, the UE side may receive the RA-RNTI corresponding to the UE type to perform descrambling.

[000186] In some embodiments of the invention, RA-RNTI in the art may be used for non-restricted UEs. For the disabled UE, a new different RA-RNTI may be determined by the communication protocol, or a different RA-RNTI may be configured by the base station.

[000187] In some embodiments of the invention, the method of calculating the RA-RNTI of different types of UE may be determined by the communication protocol. For RA-RNTI of the first UE type, the calculation method shown in expression (3) in the art can be used to calculate, t_id represents the number (in the range of 0 to 9) of the subframe identifier (ID) of the random access preamble transmission start position, a ƒ_id represents the value (in the range 0 to 5) of ƒ_RA in the four-element group.

[000188] For the second UE type, the calculation parameters are adjusted based on expression (3), and the RA-RNTI of the second UE type is calculated so that the RA-RNTI of the first UE type is different from the RA-RNTI of the second UE type. For example, the constant 1 can be adjusted based on expression (3) to obtain expression (4), and the second type UE RA-TNTI is calculated by the calculation method shown in expression (4).

[000189] In some embodiments of the invention, the method of transmitting information also includes receiving a random access response with a PDSCH resource scheduled by control information of the random access response.

[000190] The PDSCH resources corresponding to different UE types are different.

[000191] The random access response control information in the PDCCH signaling may be used to schedule the PDSCH resource for the random access response. Here, different PDSCH resources may be scheduled for different types of UEs for transmitting random access responses.

[000192] Thus, the random access response of the UE is transmitted via the PDSCH resource corresponding to the type of the UE. On the one hand, a PDSCH resource corresponding to a UE type is used to transmit a random access response to meet different transmission requirements for different UE types and improve communication efficiency. On the other hand, the coupling between random access responses of different types of UEs is reduced, and the flexibility of transmitting random access responses is improved.

[000193] In some embodiments of the invention, the method of transmitting information also includes receiving information about the resource instruction of the first UE type, which is carried by the PDCCH signaling corresponding to the second UE type, and transmitted by the base station in response to the frequency band of the initial part of the frequency band (BWP ) of the first type UE is equal to the frequency band CORESET#0.

[000194] The base station may be configured to use PDCCH signaling carrying random access response control information of various UEs. For example, the base station may be configured to use the second type of PDCCH signaling for the transfer.

[000195] In the search space configuration, if the initial bandwidth portions (BWPs) of different UE types are the same, the different UE types can track the same search space. That is, the PDCCH signaling of different UE types is the same.

[000196] In some embodiments, whether non-restricted UEs and disabled UEs use different PDCCH signaling may be configured by the base station or determined according to other conditions. For example, if the initial BWP bandwidth of the disabled UE is equal to the bandwidth of CORESET#0, the disabled UE is configured to use the same PDCCH signaling as the non-restricted UE to carry random access response control information.

[000197] Thus, the base station can flexibly configure the PDCCH used by the UE.

[000198] In some embodiments, the communication method also includes receiving configuration signaling and receiving random access response control information with the PDCCH signaling indicated by the configuration signaling.

[000199] The base station may configure PDCCH signaling carrying random access response control information for various UE types. For example, for the first UE type, the base station may configure the second PDCCH signaling type of the second UE type to carry random access response control information.

[000200] Thus, the base station can flexibly configure the PDCCH used by the UE.

[000201] In some embodiments of the invention, as shown in FIG. 6, the information transfer method also includes step 502.

[000202] In step 502, a random access preamble is transmitted to the base station. The random access preamble carries type indication information indicating the type of the UE.

[000203] When a UE accesses a base station through a 2-stage random access process or a 4-stage random access process, the UE first transmits a random access preamble to the base station. The UE may transmit type indication information indicating the type of the UE in the random access preamble.

[000204] After the base station receives the random access preamble, the base station determines the UE type according to the type indication information, and then transmits the PDCCH signaling corresponding to the UE type.

[000205] A specific example is presented below in conjunction with any of the embodiments described above.

[000206] The essence of the solution is to use independent random access response transmission procedures for non-restricted NR UEs and disabled NR UEs.

[000207] The first point is that the non-restricted UE NR RAR PDCCH and the disabled UE NR are transmitted, respectively. The processes for achieving independent transfers are described below.

[000208] The first process is that different CORESETs are configured for the disabled NR UE and the non-restricted NR UE to carry the respective Type 1 CSS PDCCHs.

[000209] The second process is that the non-restricted NR UE and the disabled NR UE use different predefined rules or use different parameters in the predefined rules to obtain CCE resources corresponding to respective search spaces. For example, the non-restricted NR UE still reuses the original rule, ie expression (1). The corresponding disabled NR UE may add an X offset on the original basis, as shown in expression (2). Alternatively, the disabled NR UE still uses the original rule, i.e., expression (1), except that the value are numbers other than 0.

[000210] The third process is that different random access response windows are configured for the disabled NR UE and the non-restricted NR UE, and different N values and different X values can be configured.

[000211] The fourth process is that different RA-RNTIs are used for different RAR PDCCHs.

[000212] The second point is that the aggregation levels configured by the RAR PDCCH NR with limited capabilities and/or the possible transmission positions of the respective PDCCHs may differ based on the first point.

[000213] The third point is that the PDSCH for RAR transmission for non-restricted NR UEs and disabled NR UEs are different.

[000214] The fourth point is that the use of different RAR transmission procedures for the non-restricted NR UE and the disabled NR UE may be configured by the base station or determined according to other conditions.

[000215] For example, when the base station configures the independent RAR transmission process for the disabled NR UE, that is, configures the independent RAR PDCCH transmission parameters as in the first paragraph, the disabled NR UE uses the independent RAR reception process. If the base station does not configure additional parameters for the disabled NR UE, it is assumed that the user uses the same reception process as the non-restricted NR UE.

[000216] For example, when the initial BWP bandwidth is equal to the CORESET#0 bandwidth, it is assumed that the disabled NR UE can use the same RAR reception process as the non-restricted NR UE at that time.

[000217] The fifth point is that the base station can distinguish a normal disabled NR UE from a non-restricted NR UE with a specific random access preamble. In the same PRACH time-frequency resource, the random access preamble used by the disabled NR UE is different from the preamble used by the non-capacity NR UE.

[000218] Embodiments of the present invention also provide an information transmission device used in a base station. Fig. 7 is a block diagram illustrating an apparatus 100 for transmitting information in accordance with an exemplary embodiment of the invention. As shown in FIG. 7, the information transmission device 100 includes a first transmission module 110.

[000219] The first transmission module 110 is configured to transmit PDCCH signaling corresponding to a UE type according to a UE type. PDCCH signaling carries random access response control information for the UE. Different UE types correspond to different PDCCH signaling, and the random access response control information is configured to indicate scheduling information associated with the random access response.

[000220] In some embodiments, the search spaces of different PDCCH signaling corresponding to different UE types belong to different control resource sets (CORESETs).

[000221] In some embodiments, the search spaces of different PDCCH signaling corresponding to different UE types are different.

[000222] In some embodiments, the first transmission module 110 comprises a first transmission sub-module 111 configured to transmit PDCCH signaling on a candidate control channel element (CCE) resource determined according to a resource determination rule.

[000223] The resource determination rules corresponding to different UE types are different.

[000224] In some embodiments of the invention, the parameters of the resource determination rules corresponding to different types of UE are different.

[000225] The rule parameters include bias parameters and/or random parameters.

[000226] In some embodiments, the PDCCH resource aggregation levels for different PDCCH signaling corresponding to different UE types are different; and/or the number of possible PDCCH resource transmission positions for different PDCCH signaling corresponding to different UE types are different; and/or possible retransmission positions of different PDCCH signaling corresponding to different UE types are different.

[000227] In some embodiments, the first transmission module 110 comprises a second transmission sub-module 112 configured to transmit PDCCH signaling within a random access response window corresponding to the UE type.

[000228] The random access response windows corresponding to different UE types are different.

[000229] In some embodiments, the time intervals between random access response windows corresponding to different UE types and random access preambles are different; and/or durations of random access response windows corresponding to different UE types are different.

[000230] In some embodiments, the scrambling sequences of different PDCCH signaling corresponding to different UE types are different.

[000231] In some embodiments, the scrambling sequences are random access radio network temporary identifiers (RA-RNTIs), wherein the RA-RNTIs of different UE types are different.

[000232] In some embodiments, the PDSCH resources corresponding to different UE types and scheduled by random access response control information are different, and the PDSCH resources are configured to transmit a random access response.

[000233] In some embodiments, the communication device also includes a second transmission module 120 configured to carry control information of a first UE type random access response with PDCCH signaling corresponding to the second UE type in response to the frequency band of the initial part of the band frequency band (BWP) of the first type of UE is equal to the frequency band CORESET#0.

[000234] In some embodiments, the device for transmitting information also includes a third transmit module 130 configured to transmit configuration signaling. The configuration signaling is configured to indicate that the random access response control information of the first UE type is carried by the PDCCH signaling corresponding to the first UE type or the PDCCH signaling corresponding to the second UE type.

[000235] In some embodiments of the invention, the device for transmitting information also includes a first receiving module 140 configured to receive the random access preamble transmitted by the UE; and a first determination module 150 configured to determine the type of the UE according to the type indication information carried in the random access preamble.

[000236] Embodiments of the present invention also provide a device for transmitting information used in the UE. Fig. 8 is a block diagram illustrating an apparatus 200 for transmitting information in accordance with an exemplary embodiment of the invention. The device 200 for transmitting information includes a second module 210 receiving.

[000237] The second receiving module 210 is configured to receive Physical Downlink Control Channel (PDCCH) signaling with reception parameters corresponding to the UE type. PDCCH signaling carries UE random access response control information. Different UE types correspond to different PDCCH signaling, and the random access response control information is configured to indicate scheduling information associated with the random access response.

[000238] In some embodiments, the receive parameters include control resource set (CORESET) parameters.

[000239] The second receiving module 210 comprises a first receiving sub-module 211 configured to receive PDCCH signaling in a CORESET of the PDCCH signaling search space corresponding to the UE type. The search spaces of different PDCCH signaling corresponding to different UE types belong to different CORESETs.

[000240] In some embodiments, the receive parameters include resource parameters.

[000241] The second receiving module 210 comprises a second receiving sub-module 212 configured to receive PDCCH signaling in a PDCCH signaling search space corresponding to the UE type with a resource parameter corresponding to the UE type. The search spaces of different PDCCH signaling corresponding to different UE types are different.

[000242] In some embodiments, the resource parameters include resource definition rule parameters.

[000243] The second receiving module 210 comprises a third receiving sub-module 213 configured to receive PDCCH signaling on a candidate control channel element (CCE) resource determined according to the PDCCH signaling resource determination rule corresponding to the UE type.

[000244] The resource determination rules corresponding to different UE types are different.

[000245] In some embodiments of the invention, the parameters of the resource determination rules corresponding to different UE types are different.

[000246] The rule parameters include bias parameters and/or random parameters.

[000247] In some embodiments, the resource parameters include at least one of the following: PDCCH resource aggregation levels for various PDCCH signaling; and/or the number of possible PDCCH resource transmission positions for different PDCCH signaling; and/or possible retransmission positions of various PDCCH signaling.

[000248] In some embodiments, the receive parameters include random access response window parameters.

[000249] The second receiving module 210 includes a fourth receiving sub-module 214 configured to receive PDCCH signaling within a random access response window corresponding to the UE type.

[000250] The random access response windows corresponding to different UE types are different.

[000251] In some embodiments, the time intervals between random access response windows corresponding to different UE types and random access preambles are different; and/or durations of random access response windows corresponding to different UE types are different.

[000252] In some embodiments, the second receive module 210 comprises a fifth receive sub-module 215 configured to descramble the PDCCH signaling with a descrambling sequence corresponding to the UE type. The descrambling sequences of different PDCCH signaling corresponding to different UE types are different.

[000253] In some embodiments, the scrambling sequences are random access radio network temporary identifiers (RA-RNTIs), wherein the RA-RNTIs of different UE types are different.

[000254] In some embodiments, the communication device 200 also includes a third receiving module 220 configured to receive a random access response with a PDSCH resource scheduled with random access response control information.

[000255] The PDSCH resources corresponding to different UE types are different.

[000256] In some embodiments, the communication device 200 also includes a fourth receiving module 230 configured to receive the first UE type resource instruction information carried by the PDCCH signaling corresponding to the second UE type and transmitted by the base station in response to that the bandwidth of the initial part of the frequency band (BWP) of the first type UE is equal to the frequency band of CORESET#0, in case the UE is a first type UE.

[000257] In some embodiments, the communication device 200 also includes a fifth receiving module 240 configured to receive configuration signaling and receive random access response control information with the PDCCH signaling indicated by the configuration signaling.

[000258] In some embodiments, the communication device 200 also includes a transmission module 250 configured to transmit the random access preamble to the base station. The random access preamble carries type indication information indicating the type of the UE.

[000259] In an exemplary embodiment of the invention, the first transmit module 110, the second transmit module 120, the third transmit module 130, the first receive module 140, the first determine module 150, the second receive module 210, the third receive module 220, the fourth receive module 230, the fifth module 240 receive unit 250 transmission, etc. may be implemented by one or more central processing units (CPU, central processing unit), graphic processors (GPU, graphics processing unit), baseband processors (BP, baseband processors), application-specific integrated circuits circuits (ASIC, application specific integrated circuits), DSP, programmable logic devices (PLD, programmable logic device), complex programmable logic devices (CPLD), field-programmable gate array (FPGA), general purpose processors, controllers, microcontrollers (MCUs, micro controller units), microprocessors, or other electronic components, and may also be implemented in combination with one or more radio frequency (RF) antennas to perform the method described above.

[000260] FIG. 9 is a block diagram illustrating an information transfer device 3000 according to an exemplary embodiment of the invention. For example, device 3000 may be a mobile phone, computer, digital broadcast terminal, messaging device, game console, tablet device, medical device, fitness device, personal digital assistant, and the like.

[000261] As shown in FIG. 9, device 3000 may include one or more of the following components: a processing component 3002, a memory 3004, a power component 3006, a multimedia component 3008, an audio component 3010, an input/output (I/O) interface 3012, a sensor component 3014, and a communication component 3016.

[000262] The processing component 3002 typically manages all operations of the device 3000, such as operations related to display, phone calls, data transfer, camera operations, and recording operations. Processing component 3002 may include one or more processors 3020 for executing instructions for performing all or some of the steps in the methods described above. In addition, the processing component 3002 may include one or more modules that provide interaction between the processing component 3002 and other components. For example, the processing component 3002 may include a multimedia module for enabling interaction between the multimedia component 3008 and the processing component 3002.

[000263] The memory 3004 is configured to store various types of data to support the operation of the device 3000. Examples of such data include instructions for any applications or methods used in the device 3000, contact information, phone book data, messages, pictures, videos, and so on. The memory 3004 can be implemented using any type of volatile or nonvolatile storage devices, or a combination thereof, such as static random access memory (SRAM, static random access memory), electrically erasable programmable read-only memory (EEPROM, electrically erasable programmable read-only memory), erasable programmable read-only memory (EPROM), programmable read-only memory (PROM), read-only memory (ROM), magnetic memory, flash memory, magnetic or optical disk.

[000264] Power component 3006 provides power to various components of device 3000. Power component 3006 may include a power management system, one or more power supplies, and any other components associated with power generation, control, and distribution in device 3000.

[000265] The multimedia component 3008 includes a screen that provides an output interface between the device 3000 and the user. In some embodiments of the invention, the screen may include a liquid crystal display (LCD, liquid crystal display) and a touch panel (TP, touch panel). If the screen includes a touch panel, the screen may be implemented as a touch screen to receive input from a user. The touchpad includes one or more touch sensors for recognizing taps, swipes, and gestures on the touchpad. The touch sensors can not only sense the boundary of the touch or slide action, but also determine the time period and pressure associated with the touch or slide action. In some embodiments of the invention, the media component 3008 includes a front camera and/or a rear camera. The front camera and/or rear camera can receive external media when the device 3000 is in an operating mode, such as in a photo or video mode. Both the front and rear cameras can be a fixed optical lens system or have focus and optical zoom capability.

[000266] The audio component 3010 is configured to output and/or input audio signals. For example, the audio component 3010 includes a microphone (MIC) configured to receive an external audio signal when the device 3000 is in an operating mode such as call mode, recording mode, and voice recognition mode. The received audio signal may be further stored in the memory 3004 or transmitted via the communication component 3016. In some embodiments of the invention, the audio component 3010 also includes a speaker for outputting audio signals.

[000267] The input/output interface 3012 provides an interface between the processing component 3002 and peripheral interface modules such as a keyboard, control wheel, buttons, and the like. The buttons may include, but are not limited to, a home button, a volume button, a start button, and a lock button.

[000268] The sensor component 3014 includes one or more sensors to provide an assessment of the status of various aspects of the device 3000. For example, the sensor component 3014 can detect the open/closed state of the device 3000, the relative position of components such as the display and keyboard of the device 3000, changes in the position of the device 3000 or a component of device 3000, the presence or absence of user contact with the device 3000, the orientation or acceleration/deceleration of the device 3000, and the change in temperature of the device 3000. The sensors component 3014 may include a proximity sensor configured to detect the presence of nearby objects without physical contact with them. The sensor component 3014 may also include an ambient light sensor, such as a CMOS or CCD image sensor, for use in imaging applications. In some embodiments, sensor component 3014 may also include an accelerometer sensor, a gyroscope sensor, a magnetic sensor, a pressure sensor, or a temperature sensor.

[000269] Communications component 3016 is configured to provide wired or wireless communication between device 3000 and other devices. Device 3000 may access a wireless network based on a communication standard such as Wi-Fi, 2G, or 3G, or a combination thereof. In one illustrative embodiment of the invention, the communication component 3016 receives a broadcast signal or broadcast-related information from an external broadcast control system via a broadcast channel. In one exemplary embodiment of the invention, communication component 3016 also includes a near field communication (NFC) module for providing near field communication. For example, the NFC module can be implemented based on radio frequency identification technology (RFID, radio frequency identification), infrared data association technology (IrDA, ultra-wideband technology), ultra-wideband technology (UWB), Bluetooth technology (BT ) and other technologies.

[000270] In exemplary embodiments, device 3000 may be implemented with one or more application specific integrated circuits (ASICs), digital signal processors (DSPs), digital signal processing devices (DSPDs), programmable logic devices (PLDs), field programmable gate matrices (FPGA), controllers, microcontrollers, microprocessors or other electronic components to perform the methods described above.

[000271] In illustrative embodiments of the invention, a communication device is also provided. The communication device includes a processor, a transceiver, a memory, and an executable program stored in the memory and capable of being executed by the processor. The processor is configured to perform the steps of the information transfer method according to the first aspect or the second aspect when executing an executable program.

[000272] In illustrative embodiments of the invention, a computer-readable storage medium is also provided, containing instructions, for example, contained in memory 3004 and executed by processor 3020 in device 3000, for performing the methods described above. For example, a computer-readable storage medium may be ROM, RAM, CD-ROM, magnetic tape, floppy disk, optical storage device, and the like.

[000273] Other embodiments of the present invention will be apparent to those skilled in the art from a consideration of the description and use of the present invention. The present description is intended to cover any changes, applications or adaptations of the embodiments of the present invention in accordance with its general principles, including such deviations from the embodiments of the present invention as are known or common practice in the art. In addition, those skilled in the art will appreciate that, within the spirit of the present invention, steps or modules in various embodiments of the present invention may also be substituted or combined, and these substitutions and mergers may also be considered within the protection scope of the present invention. The description and examples are intended to be considered as illustrative only, and the scope and spirit of the embodiments of the present invention are defined by the following claims.

[000274] It should be understood that the present invention is not limited to the exact construction as described above and illustrated in the accompanying drawings, and that various modifications and changes may be made without departing from the spirit of the invention. It is intended that the scope of the embodiments of the present invention be limited only by the appended claims.

Claims (38)

1. The method of information transmission used in the base station and including: signaling a physical downlink control channel (PDCCH) corresponding to a user equipment (UE) type according to a UE type; wherein the PDCCH signaling carries control information of the random access response for the UE; wherein different UE types correspond to different PDCCH signaling, and the random access response control information is configured to indicate scheduling information associated with the random access response. 2. The method of claim 1, wherein the search spaces of different PDCCH signaling corresponding to different UE types belong to different control resource sets (CORESETs). 3. The method of claim 1, wherein the search spaces of different PDCCH signaling corresponding to different UE types are different. 4. The method of claim 3, wherein the PDCCH signaling corresponding to the UE type includes: transmitting PDCCH signaling on a candidate control channel element (CCE) resource determined according to the resource determination rule; however, the resource determination rules corresponding to different UE types are different. 5. The method according to claim 3, in which PDCCH resource aggregation levels for different PDCCH signaling corresponding to different UE types are different; and/or the number of possible PDCCH resource transmission positions for different PDCCH signaling corresponding to different UE types is different; and/or the possible retransmission positions of different PDCCH signaling corresponding to different UE types are different. 6. The method of claim 1, wherein the PDCCH signaling corresponding to the UE type includes: transmitting PDCCH signaling within a random access response window corresponding to the UE type; wherein the random access response windows corresponding to different UE types are different. 7. The method of claim 6, wherein the time intervals between random access response windows corresponding to different UE types and random access preambles are different; and/or the durations of the random access response windows corresponding to different UE types are different. 8. The method of claim 1, wherein the scrambling sequences of different PDCCH signaling corresponding to different UE types are different; and/or the scrambling sequence is a random access radio network temporary identifier (RA-RNTI), and the RA-RNTIs of different UE types are different. 9. The method according to any one of paragraphs. 1-8, in which the PDSCH resources corresponding to different UE types and scheduled by the random access response control information are different; the PDSCH resources are configured to transmit a random access response. 10. The method according to any one of paragraphs. 1-9, also including: carrying control information of a random access response of a first UE type with PDCCH signaling corresponding to a second UE type in response to the first UE type BWP being equal to the CORESET#0 band; and/or transmission of configuration signaling; wherein the configuration signaling is configured to indicate that the random access response control information of the first UE type is carried by the PDCCH signaling corresponding to the first UE type or by the PDCCH signaling corresponding to the second UE type; and/or receiving a random access preamble transmitted by the UE; and/or determining the type of the UE according to the type indication information carried in the random access preamble. 11. The method of receiving information used in the user equipment (UE) and including: receiving physical downlink control channel (PDCCH) signaling with reception parameters corresponding to the UE type; wherein the PDCCH signaling carries control information of the random access response of the UE; wherein different UE types correspond to different PDCCH signaling, and the random access response control information is configured to indicate scheduling information associated with the random access response. 12. The method of claim 11, wherein the receive parameters include control resource set (CORESET) parameters; Reception of PDCCH signaling with reception parameters corresponding to the UE type includes: receiving PDCCH signaling in a CORESET of a PDCCH signaling search space corresponding to the UE type; wherein the search spaces of different PDCCH signaling corresponding to different UE types belong to different CORESETs. 13. The method of claim 11, wherein the receive parameters include resource parameters; Reception of PDCCH signaling with reception parameters corresponding to the UE type includes: receiving PDCCH signaling in a PDCCH signaling search space corresponding to the UE type with a resource parameter corresponding to the UE type; however, the search spaces of different PDCCH signaling corresponding to different UE types are different. 14. Communication device, containing: CPU; transceiver; memory; And an executable program stored in memory and capable of being executed by the processor, wherein the processor is configured to carry out the steps of the method for transmitting information according to any one of claims. 1-10 while executing an executable program.