CN110291740A - To the feedback of system information request - Google Patents

Abstract

Disclosure is for sending and/or receiving the device, method and system to the feedback of system information request.A kind of method (900) includes the information for the request that transmission (902) is indicated to system information.Method (900) includes monitoring that (904) confirmation receives the feedback response of the request to system information during the first predetermined amount of time.Method (900) includes in response to receiving feedback response, and instruction (906) successfully completes random access procedure.

Description

To the feedback of system information request

Cross reference to related applications

The application is entitled " to the feedback of system information request " and Joachim Loehr on March 20th, 2017 It the part continuation application of the U.S. Patent Application Serial Number 15/464,086 of submission and also requires entitled " for on-demand system The feedback mechanism of information access process " and Joachim Loehr is in the U.S. Provisional Patent Application submitted on May 3rd, 2017 The priority of sequence number 62/500,959, entire contents are integrally merged herein by reference.

Technical field

Subject matter disclosed herein relates generally to wirelessly communicate, and relates more specifically to for the anti-of system information request Feedback.

Background technique

The following abbreviation of definition herein, wherein at least some are cited in the following description: third generation partner program (" 3GPP "), affirmative acknowledgement (" ACK "), binary phase shift keying (" BPSK "), clear channel assessment (CCA) (" CCA "), cyclic prefix (" CP "), Cell Radio Network Temporary Identity accord with (" C-RNTI "), channel state information (" CSI "), public search space (" CSS "), discrete Fourier transform extend (" DFTS "), down link control information (" DCI "), downlink (" DL "), under Downlink pilot time slot (" DwPTS "), enhanced mobile broadband (" eMBB "), is drilled at enhanced clear channel assessment (CCA) (" eCCA ") Into type node B (" eNB "), European Telecommunications Standards Institute (" ETSI "), the equipment (" FBE ") based on frame, frequency division duplex (" FDD "), frequency division multiple access (" FDMA "), protective time slot (" GP "), hybrid automatic repeat-request (" HARQ "), identifier (" ID "), Internet of Things (" IoT "), license auxiliary access (" LAA "), the equipment (" LBE ") based on load, listem-before-talk (" LBT "), long term evolution (" LTE "), media access control (" MAC "), multiple access (" MA "), Modulation and Coding Scheme (" MCS "), machine Device type communication (" MTC "), multiple-input and multiple-output (" MIMO "), multiple users share access (" MUSA "), narrowband (" NB "), negative Response (" NACK ") or (" NAK "), next generation node B (" gNB "), non-orthogonal multiple (" NOMA "), orthogonal frequency division multiplexing (" OFDM "), main plot (" PCell "), Physical Broadcast Channel (" PBCH "), physical downlink control channel (" PDCCH "), Physical down link sharing channel (" PDSCH "), pattern segmentation multiple access (" PDMA "), protocol Data Unit (" PDU "), physics are mixed Close ARQ indicator channel (" PHICH "), physical layer (" PHY "), Physical Random Access Channel (" PRACH "), Physical Resource Block (" PRB "), physical uplink control channel (" PUCCH "), physical uplink shared channel (" PUSCH "), service quality It is (" QoS "), quadrature phase shift keying (" QPSK "), radio resource control (" RRC "), random access procedure (" RACH "), random Access response (" RAR "), random access radio net temporary mark (" RA-RNTI "), reference signal (" RS "), resource expansion Type multiple access accesses (" RSMA "), two-way time (" RTT "), receives (" RX "), the access of Sparse Code multiple access (" SCMA "), scheduling request (" SR "), single-carrier frequency division multiple access (" SC-FDMA "), secondary cell (" SCell "), shared channel (" SCH "), signal and interference add Noise ratio (" SINR "), system information block (" SIB "), timing advance group (" TAG "), transmission block (" TB "), transport block size (" TBS "), time division duplex (" TDD "), Transmission Time Interval (" TTI "), send (" TX "), uplink at time division multiplexing (" TDM ") Road controls information (" UCI "), user subject/equipment (mobile terminal) (" UE "), uplink (" UL "), universal mobile communications system System (" UMTS "), uplink pilot time slot (" UpPTS "), super reliability and low latency communication (" URLLC ") and the whole world are micro- Wave accesses interoperability (" WiMAX ").As used herein, " HARQ-ACK " can be with unified representation affirmative acknowledgement (" ACK ") With negative response (" NAK ").ACK means to be properly received TB, and NAK means garbled-reception TB.

It, can be than more frequently sending and/or receiving some system informations when necessary in certain cordless communication networks.? In certain configurations, in order to reduce for providing the signalling loads of system information, minimal amount of system information can be used.Minimum system System information (" SI ") may include the essential information for being initially accessed cell (for example, subframe numbers, public land mobile network arrange Table (" PLMN "), cell are resident parameter, RACH parameter), it is broadcast periodically in the cell.In some configurations, other Non-minimum SI is not necessarily required to be broadcast periodically (for example, it can be network decision).It in various configurations, can be on-demand Other SI (for example, UE can request other SI) are provided to UE.The transmitting of other SI can be completed with broadcast or mode of unicast. In some configurations, minimum SI can indicate to be broadcast periodically or provide on demand specific SIB.It is periodically wideless in order to obtain The one or more SIB for broadcasting and providing on demand, UE can initiate on-demand SI acquisition process (for example, SI is requested).UE is made SI, UE can determine whether the SI can be used and whether be broadcasted in the cell before its transmission is to the request of the SI. The scheduling information of other SI can be mentioned by minimum SI (for example, SIB type, validity information, periodicity, SI window information etc.) For.

In various configurations, UE may not realize that whether gNB is correctly detected SI request, and may be in SI window The transmitting of requested SI is unnecessarily monitored during mouthful.Therefore, UE battery exhaust with may not be necessary and there may be with In the increase of the delay of SI supply.

Summary of the invention

Disclosure is for sending and/or receiving the method to the feedback of system information request.Device and system also executive device Function.In one embodiment, this method includes sending the information of request of the instruction to system information.In some embodiments In, this method includes the feedback response that monitoring confirmation receives the request to system information during the first predetermined amount of time.? In some embodiments, this method includes indicating to successfully complete random access procedure in response to receiving feedback response.

In one embodiment, feedback response is that the random access response sent on physical down link sharing channel disappears A part of breath.In another embodiment, instruction includes PRACH lead to the information of the request of system information. In certain embodiments, feedback response includes PRACH lead corresponding with PRACH lead Identifier.In various embodiments, the feedback response that confirmation receives the request to system information is including physical accidental channel It is sent in the media access control sub-header of lead flag symbol.In some embodiments, this method includes, in response to not receiving To feedback response: information of the retransmission instruction to the request of system information；During the second predetermined amount of time, monitoring confirmation is received To the feedback response of the request of system information.

In certain embodiments, retransmission instruction includes retransmitting letter using increased power to the information of the request of system information Breath.In some embodiments, retransmission instruction includes repeating to send instruction to system information to the information of the request of system information The information of request reaches pre-determined number.In one embodiment, this method includes receiving scheduling letter corresponding with system information Breath.In certain embodiments, this method includes, in response to receiving feedback response, receiving system information based on scheduling information.

In some embodiments, feedback response is a part of down link control information.In various embodiments, wirelessly Electric network temporary identifier is used to indicate that feedback response.In certain embodiments, this method includes not by cell radio net Network temporary identifier is set as the value in feedback response.In one embodiment, feedback response is by being set as one or more pre- One or more fields of the down link control information of definition value indicate.In some embodiments, instruction is to system information The information of request be random access during message 3 transmit a part.In various embodiments, system information is asked in instruction The information asked includes the bitmap for indicating requested system information.In certain embodiments, feedback response includes that instruction is requested System information information.In some embodiments, a part of the contention resolution message during feedback response is random access. In various embodiments, the downlink schedule information for being used for system information is sent using feedback response.

In one embodiment, a kind of for receiving includes transmitter to the device of the feedback of system information request, the hair Emitter sends the information of request of the instruction to system information.In various embodiments, which includes receiver, which exists Monitoring confirmation receives the feedback response of the request to system information during first predetermined amount of time.In some embodiments, should Device includes processor, which indicates to successfully complete random access procedure in receiving feedback response.

In one embodiment, a kind of method includes that the information of request of the instruction to system information is received from remote unit. In various embodiments, this method includes the feedback response that the request that confirmation is received to system information is sent to remote unit, Its remote unit indicates to successfully complete the process of remotely accessing in response to receiving feedback response.

In one embodiment, this method includes sending scheduling information corresponding with system information.In another embodiment In, this method includes sending system information based on scheduling information.In certain embodiments, feedback response is downlink control letter A part of breath.In some embodiments, radio network temporary identifier is used to indicate that feedback response.In various embodiments In, feedback response is indicated by the one or more fields for being set as the down link control information of one or more predefined values. In one embodiment, feedback response is one of the accidental access response message sent on physical down link sharing channel Point.In certain embodiments, instruction includes PRACH lead to the information of the request of system information.

In some embodiments, feedback response includes physical accidental access corresponding with PRACH lead Channel leading identifier.In various embodiments, feedback response is in the media interviews including physical accidental channel lead flag symbol It is sent in control sub-header.In certain embodiments, during instruction is random access to the information of the request of system information A part that message 3 is transmitted.In one embodiment, the information for indicating the request to system information includes indicating requested system The bitmap for information of uniting.In some embodiments, feedback response includes the information for indicating requested system information.In various implementations Example in, feedback response be random access during contention resolution message a part.In one embodiment, feedback response is utilized Send the downlink schedule information for being used for system information.

In one embodiment, a kind of for sending includes receiver to the device of the feedback of system information request, this connects Receive the information that device receives request of the instruction to system information from remote unit.In some embodiments, which includes transmitter, The transmitter sends the feedback response that confirmation receives request to system information to remote unit, remote unit in response to It receives feedback response and indicates to successfully complete the process of remotely accessing.

Detailed description of the invention

By reference to particular embodiment illustrated in the accompanying drawings, the more specific of embodiment described briefly above will be presented Description.It should be understood that therefore these attached drawings only describe some embodiments, and are not considered as the limitation to range, it will be by making Embodiment is described and explained with additional feature and details with attached drawing, in which:

Fig. 1 is illustrated for sending and/or receiving a reality to the wireless communication system of the feedback of system information request Apply the schematic block diagram of example；

Fig. 2 is the schematic frame for illustrating the one embodiment that can be used for receiving the device to the feedback of system information request Figure；

Fig. 3 is the schematic frame for illustrating the one embodiment that can be used for sending the device to the feedback of system information request Figure；

Fig. 4 illustrates one embodiment for sending and receiving the communication to the feedback of system information request；

Fig. 5 illustrates another embodiment for sending and receiving the communication to the feedback of system information request；

Fig. 6 is the schematic flow of the one embodiment of diagram for receiving the method to the feedback of system information request Figure；

Fig. 7 is the schematic flow of the one embodiment of diagram for sending the method to the feedback of system information request Figure；

One embodiment of Fig. 8 diagram MAC PDU；

Fig. 9 is the schematic of one embodiment of the method for feedback response of the diagram for monitoring confirmation system information request Flow chart；And

Figure 10 is illustrated for sending the side for confirming the feedback response for receiving the request to system information to remote unit The schematic flow chart of one embodiment of method.

Specific embodiment

As skilled in the art will appreciate, the various aspects of embodiment can be presented as system, device, method or journey Sequence product.Therefore, embodiment can be (including firmware, resident software, micro- using complete hardware embodiment, complete software embodiment Code etc.) or integration software and hardware aspect embodiment form, usually all may be used in terms of the software and hardware herein To be known as " circuit ", " module " or " system ".In addition, embodiment, which can be taken, is embodied in storage hereinafter referred to as code Machine readable code, in one or more computer readable storage devices of computer-readable code and/or program code The form of program product.Storage equipment can be tangible, nonvolatile and/or non-transmitting.Storage equipment may not embody Signal.In certain embodiments, storage equipment is only with the signal for accessing code.

Certain functional units described in this specification can be marked as module, in order to more specifically emphasize theirs Realize independence.For example, module can be implemented as include customization ultra-large integrated (" VLSI ") circuit or gate array, such as The hardware circuit of the ready-made semiconductor of logic chip, transistor or other discrete assemblies.Module can also can be compiled at such as scene It is realized in the programmable hardware device of journey gate array, programmable logic array, programmable logic device etc..

Module can also use code and/or software realization, to be executed by various types of processors.The code mould identified Block can for example can be organized as example including one or more physical or logic blocks of executable code, the executable code Object, process or function.However, the executable file of the module identified needs not be physically located together, but can wrap The incoherent instruction for being stored in different location is included, when joined logically together comprising module and the institute for realizing module State purpose.

In fact, code module can be single instruction perhaps multiple instructions, it might even be possible to be distributed in several different codes In Duan Shang, different programs and cross over several memory devices.Similarly, herein, operation data can be in module Interior identified and diagram, and can embody in any suitable form and be organized in the data structure of any suitable type It is interior.Operation data can be used as individual data collection collection, or can be distributed in different positions, including in different computers In readable storage device.In the case where the part of module or module is implemented in software, software section is stored in one or more In computer readable storage devices.

It can use any combination of one or more computer-readable mediums.Computer-readable medium can be computer Readable storage medium storing program for executing.Computer readable storage medium can be the storage equipment of store code.Storage equipment can be, for example, But it is not limited to electronics, magnetic, optical, electromagnetic, infrared, holographic, micromechanics or semiconductor system, device or equipment or above-mentioned any Suitable combination.

The more specific example (non-exhaustive list) of storage equipment will include following: electrically connecting with one or more electric wire It connects, portable computer diskette, hard disk, random access memory (" RAM "), read-only memory (" ROM "), erasable programmable Read-only memory (" EPROM " or flash memory), Portable, compact compact disc read-only memory (" CD-ROM "), optical storage, magnetic Property storage device or any suitable combination above-mentioned.In the context of this document, computer readable storage medium can be Any tangible medium can include or store program so that instruction execution system, device or equipment use or in connection make With.

Code for executing the operation of embodiment can be any amount of row, and can be to include such as The biography of the programming language of the object-oriented of Python, Ruby, Java, Smalltalk, C++ etc. and " C " programming language etc. Any combination of one of machine language of the procedural of system, and/or such as assembler language or a variety of programming languages To write.Code can be executed fully on the user's computer, partly be executed on the user's computer, as independence Software package, partly on the user's computer, partly on the remote computer or fully in remote computer or clothes It is executed on business device.In the latter case, remote computer can arrive the computer of user by any kind of network connection, Including local area network (" LAN ") or wide area network (" WAN "), or it may be coupled to outer computer (for example, by using internet The internet of service provider).

The reference of " one embodiment ", " embodiment " or similar language is meant in this specification the embodiment is combined to describe A particular feature, structure, or characteristic be included at least one embodiment.Therefore, unless expressly stated otherwise, otherwise entire The phrase " in one embodiment ", " in embodiment " and the similar language occurred in specification can with but be not necessarily all referring to Identical embodiment, and refer to " one or more but not all embodiment ".Unless expressly stated otherwise, otherwise term "include", "comprise", " having " and its variant mean " including but not limited to ".Unless expressly stated otherwise, the item otherwise enumerated Mesh list does not imply that any or all project is mutual exclusion.Unless expressly stated otherwise, otherwise term " one (a) ", " one (an) " and "the" also refers to " one or more ".

In addition, the feature of described embodiment, structure or characteristic can combine in any suitable manner.It is retouched following In stating, many details are provided, such as programming, software module, user's selection, web transactions, data base querying, database knot The example of structure, hardware module, hardware circuit, hardware chip etc., to provide a thorough understanding of embodiments.However, related fields It will be recognized that can be in the case where none or multiple details, or utilize other methods, group Part, material etc. practice embodiment.In other cases, well known structure, material or operation is not shown or described in detail to keep away Exempt to make some aspects of embodiment fuzzy.

Below with reference to method, apparatus according to the embodiment, system and program product schematic flow chart and/or schematically Block diagram describes the various aspects of embodiment.It will be understood that each of schematic flow chart and/or schematic block diagram piece and signal The combination of property flow chart and/or the block in schematic block diagram can be realized by code.Code can be supplied to general-purpose computations The processor of machine, special purpose computer or other programmable data processing units to generate machine so that via computer or other The instruction that the processor of programmable data processing unit executes creates for realizing in schematic flow chart and/or schematic frame Function/operation the means specified in segment or some pieces.

Code can also be stored in storage equipment, which can indicate computer, at other programmable datas Reason device or other equipment are run in a specific way, so that the instruction being stored in storage equipment generates the product including instruction, Function/the operation specified in the block of schematic flow chart and/or schematic block diagram or some pieces is realized in the instruction.

Code can also be loaded into computer, other programmable data processing units or other equipment, so that counting Series of operation steps are executed in calculation machine, other programmable devices or other equipment, to generate computer implemented process, so that The code that executes on the computer or other programmable apparatus is provided for realizing in the block of flowchart and or block diagram or some Function/operation the process specified in block.

Schematic flow chart in attached drawing and/or schematic block diagram diagram device according to various embodiments, system, method With the framework in the cards of program product, function and operation.In this respect, in schematic flow chart and/or schematic block diagram Each of piece can indicate the module, segment or part of code comprising for realizing the one of the code of specified logic function A or multiple executable instructions.

It shall yet further be noted that the function of annotating in block can not be suitable by what is annotated in attached drawing in some alternative embodiments Sequence occurs.For example, two blocks continuously shown can actually substantially simultaneously execute or these blocks sometimes can be with opposite Sequence execute, this depend on related function.Other steps and method are contemplated that, in function, logic or effect It is equal to one or more blocks or part thereof of illustrated attached drawing.

Although various arrow types and line type can be used in flowchart and or block diagram, it should be understood that they are not Limit the range of corresponding embodiment.In fact, some arrows or other connectors can be only used for the described embodiment of instruction Logic flow.For example, arrow can indicate the waiting of the not specified duration between the enumerated steps of discribed embodiment Or the monitoring period.It will also be noted that the combination of the block in each of block diagram and or flow chart piece and block diagram and or flow chart, It being capable of being realized based on the combination of the system of specialized hardware or specialized hardware and code by execution specific function or operation.

The description of element in each attached drawing can refer to the element of aforementioned figures.Identical number refers in all attached drawings Similar elements, the alternate embodiment including similar elements.

Fig. 1 describes for sending and/or receiving the implementation to the wireless communication system 100 of the feedback of system information request Example.In one embodiment, wireless communication system 100 includes remote unit 102 and base station unit 104.Even if describing in Fig. 1 special The remote unit 102 and base station unit 104 of fixed number amount, those skilled in the art will recognize that any amount of remote unit 102 and base station unit 104 may include in wireless communication system 100.

In one embodiment, remote unit 102 may include calculating equipment, such as desktop computer, calculating on knee Machine, personal digital assistant (" PDA "), tablet computer, smart phone, smart television (for example, the TV for being connected to internet), Set-top box, game console, security system (including safety camera), car-mounted computer, the network equipment are (for example, router, friendship Change planes, modem) etc..In some embodiments, remote unit 102 includes wearable device, such as smartwatch, body-building Band, optics head-mounted display etc..In addition, remote unit 102 can be referred to as subscriber unit, mobile device, movement station, use Family, terminal, mobile terminal, fixed terminal, subscriber station, UE, user terminal, equipment or other terms used in the art. Remote unit 102 can directly be communicated with one or more base station units 104 via UL signal of communication.

Base station unit 104 can be distributed over a geographical.In certain embodiments, base station unit 104 can also be known as In access point, access terminal, base, base station, node-b, eNB, gNB, home (e) node-b, relay node, equipment or this field Any other term used.Base station unit 104 is usually a part of radio access network, the radio access network packet Include the one or more controllers for being communicatively coupled to one or more corresponding base station units 104.Radio access network One or more core networks are usually communicatively coupled to, other networks are may be coupled to, such as internet and public exchange The other networks of telephone network etc..Wirelessly it is electrically accessed, but this field not shown with these and other elements of core network Those of ordinary skill be usually well-known.

In one embodiment, wireless communication system 100 meets standardized NR agreement in 3 gpp, and wherein base station is single Member 104 is sent on DL using OFDM modulation scheme, and remote unit 102 uses SC-FDMA scheme or OFDM scheme It is sent on UL.More generally however, some other openings or proprietary communication association may be implemented in wireless communication system 100 View, for example, the other agreements of WiMAX etc..The disclosure is not intended to be limited to any certain wireless communication systems framework or agreement It realizes.

Base station unit 104 can be served via wireless communication link in coverage (for example, cell or cell sector) Multiple remote units 102.It is remote to serve that base station unit 104 sends DL signal of communication in time, frequency and/or spatial domain Cheng Danyuan 102.

In one embodiment, base station unit 104 can receive request of the instruction to system information from remote unit 102 Information.In certain embodiments, base station unit 104 can send instruction to remote unit 102 and have been received to system information Request feedback response.Therefore, base station unit 104 can be used to send the feedback to system information request.

In another embodiment, remote unit 102 can send the information of request of the instruction to system information.Remote unit 102 can monitor that the feedback response of the request to system information has been received in instruction during predetermined amount of time.Therefore, remotely Unit 102 can be used for receiving the feedback to system information request.

Fig. 2 describes the one embodiment that can be used for receiving to the device 200 of the feedback of system information request.Device 200 One embodiment including remote unit 102.In addition, remote unit 102 may include processor 202, memory 204, input Equipment 206, display 208, transmitter 210 and receiver 212.In some embodiments, input equipment 206 and display 208 It is combined into individual equipment, such as touch screen.In certain embodiments, remote unit 102 can not include any input equipment 206 and/or display 208.In various embodiments, remote unit 102 may include processor 202, memory 204, transmitting One or more of device 210 and receiver 212, and can not include input equipment 206 and/or display 208.

In one embodiment, processor 202 may include being able to carry out computer-readable instruction and/or being able to carry out to patrol Collect any known controller of operation.For example, processor 202 can be microcontroller, microprocessor, central processing unit (" CPU "), graphics processor (" GPU "), auxiliary processing unit, field programmable gate array (" FPGA ") similar are compiled Range controller.In some embodiments, it is described herein to execute to execute the instruction of storage in memory 204 for processor 202 Method and routine.In various embodiments, processor 202 monitors instruction during predetermined time period and receives system information The feedback response of request.Processor 202 is communicably coupled to memory 204, input equipment 206, display 208, transmitter 210 With receiver 212.

In one embodiment, memory 204 is computer readable storage medium.In some embodiments, memory 204 Including volatile computer storage medium.For example, memory 204 may include RAM comprising dynamic ram (" DRAM ") synchronizes Dynamic ram (" SDRAM ") and/or static state RAM (" SRAM ").In some embodiments, memory 204 includes non-volatile calculating Machine storage medium.For example, memory 204 may include hard disk drive, flash memory or any other suitable non-volatile calculating Machine stores equipment.In some embodiments, memory 204 includes both volatile and non-volatile computer storage mediums.? In some embodiments, memory 204 stores data related with system information.In some embodiments, memory 204 also stores Program code and related data, the operating system such as operated on remote unit 102 or other controller algorithms.

In one embodiment, input equipment 206 may include any of computer input device, including touch Plate, button, keyboard, stylus, microphone etc..In some embodiments, input equipment 206 can be integrated with display 208, example Such as, as touch screen or similar touch-sensitive display.In some embodiments, input equipment 206 includes touch screen, is allowed to Text is inputted using the dummy keyboard that shows on the touchscreen and/or by hand-written on the touchscreen.In some embodiments, Input equipment 206 includes the different equipment of such as two or more of keyboard and touch tablet.

In one embodiment, display 208 may include any of electronic controllable display or display equipment.It is aobvious Show that device 208 can be designed as output vision, the sense of hearing and/or haptic signal.In some embodiments, display 208 includes energy Enough electronic consoles that vision data is exported to user.For example, display 208 can include but is not limited to LCD display, LED Display, OLED display, projector or the similar display equipment that image, text etc. can be exported to user.As another Non-limiting example, display 208 may include the wearable display of smartwatch, intelligent glasses, head-up display etc. Device.In addition, display 208 can be smart phone, personal digital assistant, TV, desktop computer, notebook meter (on knee) The component of calculation machine, personal computer, Vehicular instrument panel etc..

In certain embodiments, display 208 includes the one or more speakers for generating sound.For example, display Device 208 can produce audible alarm or notice (for example, beeping sound or stroke).In some embodiments, display 208 includes using In the one or more haptic apparatus for generating vibration, movement or other touch feedbacks.In some embodiments, display 208 It completely or partially can be integrated with input equipment 206.For example, input equipment 206 and display 208 can form touch screen or class As touch-sensitive display.In other embodiments, display 208 can be located near input equipment 206.

Transmitter 210 is used to provide UL signal of communication to base station unit 104, and receiver 212 is used for from base station unit 104 receive DL signal of communication.In various embodiments, transmitter 210 can be used for the request sent Zhi Shi to system information Information.Although only illustrating a transmitter 210 and a receiver 212, remote unit 102 can have any suitable The transmitter 210 and receiver 212 of quantity.Transmitter 210 and receiver 212 can be the transmitter of any suitable type and connect Receive device.In one embodiment, transmitter 210 and receiver 212 can be a part of transceiver.

Fig. 3 describes the one embodiment that can be used for sending to the device 300 of the feedback of system information request.Device 300 One embodiment including base station unit 104.In addition, base station unit 104 may include processor 302, memory 304, input Equipment 306, display 308, transmitter 310 and receiver 312.It is appreciated that processor 302, memory 304, input equipment 306, display 308, transmitter 310 and receiver 312 can substantially be analogous respectively to remote unit 102 processor 202, Memory 204, input equipment 206, display 208, transmitter 210 and receiver 212.

In various embodiments, receiver 312 be used to receive request of the instruction to system information from remote unit 102 Information.In some embodiments, transmitter 310 can be used for distally unit 102 send instruction receive to system information Request feedback response.Although only illustrating a transmitter 310 and a receiver 312, base station unit 104 can have There are any appropriate number of transmitter 310 and receiver 312.Transmitter 310 and receiver 312 can be any suitable type Transmitter and receiver.In one embodiment, transmitter 310 and receiver 312 can be a part of transceiver.

Fig. 4 illustrates one embodiment for sending and receiving the communication 400 to the feedback of system information request.Specifically Ground illustrates the communication 400 between UE 402 and gNB 404.Communication 400, which can be used based on the method for RACH message 3, to be promoted UE 402 requests on-demand SIB.

In certain embodiments, gNB 404 can broadcast 406 to 402 sending cycle of UE.Periodic broadcast 406 can be with Minimum SI including UE 402 for communication.In various embodiments, UE 402 can send gNB for PRACH leading 408 404.In some embodiments, it can be sent in random access response 410 in response to sending leading 408, the gNB 404 of PRACH UL license.After receiving random access response 410, UE 402 can send system information (" SI ") request to gNB 404 412, the on-demand SIB that instruction UE 402 is requested.System information request 412 can be random accessing message 3.It is appreciated that removing It is unsolicited, it otherwise can not broadcast (for example, transmission) on-demand SIB.In response to system information request 412, gNB 404 can be sent Feedback response 414, instruction gNB 404 receive system information request 412.

In certain embodiments, because message 3 is UL-SCH transmission (for example, media access control (" MAC ") protocol data Unit (" PDU ")), so UE 402 can provide more information more leading than PRACH in message 3.In one embodiment, UE 402 includes the MAC control element (" CE ") in RACH message 3 to transmit SI solicited message.In such embodiments, MAC CE may include the bitmap that instruction UE 402 wants the SI/SIB obtained.In addition, bitmap can have for all on-demand SI/ The entry of SIB (for example, all SIB not broadcasted in the cell).Using bitmap, UE 402 can be (for example, by will be corresponding Field/bit is set as predetermined value) indicate that it wants to obtain which of SI/SIB.In certain embodiments, UE 402 is not Only for current area (for example, cell that UE is resident/is connected) but also it is directed to neighboring community's Request System information.In a reality It applies in example, UE 402 includes the information (for example, SI request message) in message 3, and instruction gNB 404 should be provided to UE402 to be covered Cover all system informations used in the presumptive area of one or more cells.In certain embodiments, UE 402 can disappear It include RRC information in breath 3 to convey SI solicited message.In such embodiments, RRC information may include UE 402 and want to obtain The SI/SIB taken.

In various embodiments, some SI can be related to the ability of UE 402, and thereby indicate that such ability can To provide to gNB 404 about whether responding the useful information for sending related SI information to UE 402.In some embodiments In, in order to allow gNB 404 to distribute the enough uplink resources for being used for transmission SI and requesting bitmap MAC CE in message 3, The leading purpose to indicate RACH process of one or more PRACH, which can be used, to be obtained for on-demand SI.In various embodiments In, the size (for example, system information request 412) of message 3 for be initially accessed and SI request may be different (for example, with In on-demand SI obtain message 3 can only include system information request message, but do not have further information, such as identification UE identity Or certain buffer status reportings are the same).In certain embodiments, in response to receiving the leading and RACH sound by gNB transmission of PRACH Answer the content of message (for example, RACH message 2) for have for on-demand SI obtain purpose RACH process can be used for The RACH process of other purposes is different.In some embodiments, because more than one UE can be identical for SI request transmission It is leading to retain PRACH, it is possible to the conflict of message 3 occur (for example, the UL resource that multiple UE are just being distributed in RACH message 3 Upper transmission SI request MAC CE (there is different content)).Therefore, in some embodiments it is possible to be come using conflict/contention resolved UE 402 is set to know whether transmitted SI request is to be received by gNB 404.In one embodiment, gNB 404 can be with It is sent in its in RACH message 4 (for example, feedback response 414) received SI request bitmap MAC CE in message 3.This will make UE 402 can identify whether gNB 404 has correctly received its SI request.In various embodiments, gNB404 may include RACH The a part (for example, RRC information) of requested SIB/SI as feedback response 414 in message 4.In some embodiments, When receiving RACH message 4, UE 402 can be checked whether by decoding MAC CE including requested SIB/SI (example Such as, check whether the received MAC CE of institute with the SI that sends in message 3 requests MAC CE to match).It is requested in MAC CE and SI In the matched embodiment of MAC CE, SIB/SI can be delivered to RRC.MAC CE and the unmatched embodiment of request wherein In, UE 402 can trigger SI acquisition process again, and (for example, transmission is used for, the PRACH that SI is requested is leading, retransmits message 3 Deng).In addition, UE 402 can monitor (for example, during specific time window, during predetermined amount of time) when transmitting message 3 RACH message 4.In the case where being wherein not received by RACH message 4 during predetermined amount of time, UE 402 can be touched again Send out SI acquisition process (for example, sending leading, the retransmission message 3 of PRACH etc. for SI request).

In various embodiments, the SIB/SI (rather than sending them in message 4) that UE 402 is requested can be broadcasted.? In such embodiment, RACH message 4 may include scheduling information, which indicates for broadcasting requested SIB/SI Timing information.In addition, in such embodiments, UE 402 may be without reading minimum system information, in order to receive Timing information is obtained before the SIB/SI of broadcast.

In various embodiments, the SIB/SI that UE 402 is requested can be provided partially by broadcast, and be disappeared in RACH It provides with ceasing 4 inner parts.In one embodiment, RACH message 4 may include indicating which SI/SIB is provided by RACH message 4 And the information which SI/SIB is broadcasted is (for example, UE 402 is monitored during SI window associated with these SI/SIB Receive broadcast channel).

In one embodiment, gNB 404 can send multiple RACH message 4 (for example, SI/SIB to be offered may not It is suitble to only in a downlink transmission).In certain embodiments, include in RACH message 4 (for example, SI feedback response) Whether instruction, instruction UE402 should continue to monitor further downlink transmission (for example, further RACH message 4 passes It is defeated) to receive whether other SI/SIB or UE can stop monitoring further downlink transmission (for example, further RACH message 4 is transmitted).In one embodiment, this instruction is Boolean denotation.In various embodiments, RACH message 4 can wrap Instruction UE 402 is included in response to receiving whether RACH message should initiate RRC connection establishment process or RRC connection recovery process Information.

It is appreciated that an advantage including SI request bitmap MAC CE in message 4 is can not execute punching in MAC level Prominent/contention resolved.In certain embodiments, UE 402 can confirm after sending RACH message 3 and receiving HARQ After feedback response 414, reads minimum SI and check whether gNB 404 indicates requested SIB in response to received To the SI request broadcasted in the cell.In such embodiments, conflict/contention resolved will be occurred with minimum SI rank.

In some embodiments, the radio network temporary identifier (" RNTI ") for being used for the transmission of RACH message 4 can be with Instruction includes (for example, RRC information) or the on-demand SIB broadcasted in message 4.In such embodiments, can retain A certain number of RNTI (for example, coming from the space cell RNTI (" C-RNTI ")) and by the combination of itself and specific SIB or several SIB It is associated.In addition, UE 402 can be monitored when transmitting message 3 (for example, during specific time window, in the predetermined amount of time phase Between) it is addressed to the PDCCH of one of RNTI of those reservations.Therefore, the received PDCCH/RNTI of institute is depended on (for example, feedback is rung It answers 414), UE 402 is it can be appreciated that whether gNB 404 receives its SI request sent in message 3.In various embodiments In, the RNTI for being used for RACH message 4 can be common predefined RNTI value.In such embodiments, using public pre- RNTI is defined, is requested specific to SI.In addition, in such embodiments, it is new not need distribution/use in RACH response message Signal sends Temporary Cell RNTI (" T-CRNTI ").In the embodiment using public RNTI, RACH message 4 is (for example, SI is anti- Feedback message) it can be not only addressed to single UE, but also the multiple UE for sending SI request can be addressed to.In this way, sending SI request Each UE can check whether its request is to be received by gNB 404 based on public RNTI.RACH message 4 is used in public RNTI Embodiment in, in RACH message 4 transmit SI feedback message may include bitmap, the bitmap indicate gNB 404 it is received To the SIB of request (for example, multiple requests from different UE).In this way, each UE for sending SI request can be based on being received Bitmap check whether its request is to be received by gNB 404.In certain embodiments, the UE for not yet sending SI request can be monitored Public RNTI is in order to receive SI feedback message (for example, RACH message 4) and check requested SIB, so that UE may be not required to Request the SIB requested via other UE.

In certain embodiments described herein, RACH process can be used for requesting the sole purpose of on-demand SI.However, In some embodiments, UE 402 can establish RRC connection and at the same time requesting on-demand SI, or the UE in inactive state 402 can send UL data and at the same time triggering on-demand SI acquisition process.In merely illustrative example of such embodiment, UE 402 can send SI request MAC CE and RRC connection request message in RACH message 3, or send SI in RACH message 3 Request MAC CE and UL data and possible some buffer state reports (" BSR ") MAC CE.In such embodiments, GNB 404 can distinguish different situations (for example, SI request, SI request plus initial access, SI request plus UL data), so that because This gNB 404 can cut the UL size permitted.Therefore, in some embodiments, can retain PRACH it is leading with In the different situation of identification.

Fig. 5 illustrates another embodiment for sending and receiving the communication 500 to the feedback of system information request.Specifically Ground illustrates the communication 500 between UE 502 and gNB 504.Communication 500, which can be used based on the method for RACH message 1, to be promoted UE 502 requests on-demand SIB.

In certain embodiments, gNB 504 can send UE 502 for periodic broadcast 506.Periodic broadcast 506 can To include minimum SI of the UE 502 for communication.In various embodiments, UE 502 can send gNB for PRACH leading 508 504.PRACH leading 508 indicates SI request, the on-demand SIB that instruction UE 502 is requested to gNB 504.PRACH leading 508 can To be message 1.It is appreciated that (for example, transmission) on-demand SIB otherwise can not be broadcasted except unsolicited.It is leading in response to PRACH 508, gNB 504 can send feedback response 510, and instruction gNB 504 receives PRACH leading 508.

In certain embodiments, PRACH leading 508 is the specific resources of the SIB that UE 502 is gone for or SIB set. In some embodiments, it is retained as each SIB or the SIB PRACH leading 508 for gathering specific resource, and in periodicity It is indicated in the minimum SI of broadcast.In certain embodiments, UE 502 can be not only for current area (for example, UE is resident/connection Cell) but also be directed to neighboring community's Request System information.In one embodiment, the leading 508 instruction gNB 504 of PRACH It should be provided to UE 502 and cover all system informations used in the presumptive area of one or more cells.

When transmitting PRACH leading 508 (for example, SI request is leading), UE 502 can be monitored from the anti-of the transmission of gNB 504 It presents message (for example, feedback response 510).UE 502 can be fed back in monitoring during the period (for example, time window) of definition Message.When receiving feedback message, UE 502 can monitor requested SI (example during the SI window sent with signal Such as, as indicated in the scheduling information broadcasted in minimum SI).

In the case where feedback message is not present, UE 502 assume that PRACH transmission is not detected in gNB 504, and In some embodiments it is possible to retransmit PRACH leading 508 (for example, SI is requested).It in some embodiments, can be with increased Transimission power retransmits PRACH leading 508.In various embodiments, zero and needle using counter and are initially set to Leading to each PRACH 508 transmit and increase.In some embodiments it is possible to before in the presence of the PRACH for the maximum quantity being defined Lead 508 transmission attempts.In some embodiments, if reaching the maximum transmitted number of attempt of PRACH leading 508, UE 502 Random access problems can be indicated (for example, such as radio bearer setup complete mistake can be started for an inactive mode to higher Journey).

In some embodiments, new physical layer (" PHY ") signal can be used to convey feedback message.In various implementations In example, feedback message itself may include the PRACH lead flag symbol field for the PRACH leading 508 that label detection arrives.Certain In embodiment, DCI (for example, PDCCH) may include the leading 508ID of PRACH detected by gNB 504.In one embodiment In, the DCI format (for example, format 1A) for being used for scheduled with downlink data transmission, which can be used for sending, asks the SI received The feedback asked.In some embodiments, new RNTI value (for example, SI- request RNTI) can serve to indicate that DCI (for example, PDCCH) feedback message is requested comprising SI.This can enable UE 502 distinguish accidental access response message (for example, with connecing at random Enter RNTI (" RA-RNTI ") scrambled cyclic redundancy check (" CRC ")) and SI request feedback message (for example, with SI request RNTI The CRC of scrambled PDCCH.In various embodiments, because not sending corresponding PDSCH (for example, only PDCCH (DCI)), institute It may include PRACH leading (or indicator of identification PRACH leading 508) with DCI itself.In certain embodiments, instead of with Signal sends the PRACH leading 508ID, gNB 504 detected can send the column of the leading ID of PRACH detected with signal Table, the PRACH including detecting from other UE are leading.Feedback message can be reflection received SI request/PRACH it is leading The common feedback message of state.Therefore, in such embodiments, UE 502 can check whether gNB 504 receives its SI Request/SI PRACH is leading.In addition, this feedback message also can indicate which SIB gNB 504 (subsequent) will provide (for example, logical Cross broadcast).In some embodiments, feedback message (DCI) may include instruction receive request SIB and accordingly by The bitmap that broadcast/unicast provides.

In various embodiments, UE 502 can receive the request for executing random access procedure, for obtaining with on-demand SI (for example, initial access) different purpose, while being also triggered to execute SI acquisition.In such embodiments, UE 502 can To carry out order of priority to RACH process for SI request.For example, initial access can be first carried out in UE 502, and then lead to It crosses dedicated signaling (for example, RRC signaling) and carrys out searching system information.

It in some embodiments, can be by means of sending SI with RA-RNTI (for example, RACH is responded) scrambled PDCCH Request feedback message.In such embodiments, whether the predefined value of the field in DCI or field combination can indicate DCI It is used for normal RACH response or requests feedback message as SI.

In various embodiments, it does not need PDSCH and sends feedback message (for example, feedback is included in DCI/PDCCH).? In such embodiment, feedback can be the leading ID list of single PRACH leading ID, PRACH, indicate the institute that will be provided by broadcast The bitmap of the SIB of request.In some embodiments, RA-RNTI value can be the RA-RNTI value of reservation (for example, not being from transmission The leading time/Resource Calculation).In such embodiments, RA-RNTI can be exclusively used in/request specific to SI.

In various embodiments, SI request is sent in the RACH response message sent on PDSCH (for example, MAC PDU) Feedback.In some embodiments, UE 502 transmitted during RACH response window PRACH it is leading 508 when monitoring RACH response disappear Breath is (for example, be addressed to from the PDCCH for sending leading time/Resource Calculation RA-RNTI).In such embodiments, RACH response message can be MAC PDU, be made of MAC header and corresponding MAC random access response (" MAC RAR "). In some embodiments, MAC PDU header includes one or more MAC PDU sub-header.In addition, each sub-header corresponds to MAC RAR (for example, other than keeping out of the way indicator sub-header).In one embodiment, for the MAC PDU sub-header of RAR The leading 508ID field of PRACH comprising identifying transmitted random access.In certain embodiments, RAR message itself include with Lower information: interim C-RNTI:gNB 504 provides another identifier to UE 502, be referred to as interim C-RNTI be used for into The communication of one step；Timing advance value: gNB 504 notifies UE 502 to change its timing, therefore it can compensate for by UE from gNB's 504 Apart from caused round-trip delay；And/or uplink granting resources: gNB 504 can make by initial resource assignment to UE 502 Obtaining it can be used UL-SCH.

In certain embodiments, SI is requested, UE 502 only may need to receive gNB 504 and detect that PRACH is leading 508 confirmation.In such embodiments, the received continuous UL-SCH transmission of SI request feedback message may not responded to (for example, message 3).Therefore, in such embodiments, only send comprising the received PRACH leading 508 or received of identification institute The MAC PDU sub-header of the RAR of the leading 508ID field of the PRACH of the leading list of PRACH is (for example, without associated carrying UL The RAR message of license, T-CRNTI, TA etc.).

In some embodiments, SI is sent in the RACH response message that can be sent on PDSCH (for example, MAC PDU) Request feedback.In such embodiments, the feedback sent in RACH is responded can be the list (example of the leading 508ID of PRACH Such as, identify leading by the received all SI request of gNB), bitmap or another instruction by the gNB requested SIB provided.Each In kind embodiment, new MAC CE can be introduced, it includes the lists that gNB receives the bitmap or SIB of request.In some implementations In example, the RA-RNTI value (for example, time/Resource Calculation not leading from transmission) of reservation can be used.This RA- retained RNTI can be requested specific to on-demand SI.

In various embodiments, UE 502 can send PRACH leading 508 and read minimum SI (for example, SIB1) so as to Requested SI whether will be broadcasted (for example, gNB 504 can be overturn extensively in response to leading be detected in inspection gNB 504 Broadcast/non-broadcasting indicator).In such embodiments, if minimum SI does not indicate that requested SI is broadcasted, UE 502 can With retriggered SI request process (for example, sending leading 508) PRACH.In such embodiments, feedback is given by minimum SI Out.

In various embodiments, the scheduling information for being used for transmission requested on-demand SI/SIB can request feedback to disappear with SI Breath is sent together.In such embodiments, when UE 502 should monitor requested on-demand SI, scheduling information can be indicated Timing information.In various embodiments, provided for the scheduling information of on-demand SI by minimum SI (for example, in SIB1, including SIB type, validity information, periodicity, SI window information).In certain embodiments, when transmission is used for requested on-demand SI Scheduling information and when SI feedback message, gNB 504 can have more flexibilities to send requested SI.Some It, can be with compared with the timing information (for example, delay of the reduction for obtaining system information) provided by minimum SI in embodiment Requested SI is sent in time instance earlier.It is including equally the reality of scheduling information in message identical with feedback message It applies in example, UE 502 does not need to read minimum SI in order to obtain nearest (newest) scheduling information for being directed to on-demand SI.? In one embodiment, the scheduling information of requested SI is carried in RAR message.Specifically, in such embodiments, MAC RAR is associated with MAC PDU sub-header, and the PRACH's leading 508 which has identification transmitted is random Access lead identifies (" RAPID ") (for example, SI request feedback) and carries the scheduling information for being used for transmission the on-demand SI of request. In the embodiment that wherein feedback message includes scheduling information, it is requested to receive that UE 502 can follow this scheduling information SI.In such embodiments, the scheduling information provided in feedback message can be believed prior to the scheduling provided by minimum SI Breath.In various embodiments, when always providing the scheduling information for being used for on-demand SI together with feedback message, it may not be necessary to Broadcast scheduling information in minimum SI, this will save signaling overheads instead.

Fig. 6 is diagram for receiving the schematic stream of one embodiment to the method 600 of the feedback of system information request Cheng Tu.In some embodiments, method 600 is executed by the device of such as remote unit 102.In certain embodiments, method 600 It can be by the processor of execution program code (for example, microcontroller, microprocessor, CPU, GPU, auxiliary processing unit, FPGA Deng) execute.

Method 600 may include sending 602 instructions to the information of the request of system information.Method 600 further includes predetermined 604 are monitored during period, instruction receives the feedback response of the request to system information.

In one embodiment, method 600 includes receiving scheduling information corresponding with system information.In another embodiment In, method 600 includes receiving system information based on scheduling information in response to receiving feedback response.In certain embodiments, side Method 600 includes, in response to not receiving feedback response: information of the retransmission instruction to the request of system information；With in the predetermined time Monitoring instruction receives the feedback response of the request to system information during section.In various embodiments, retransmission instruction is to system The information of the request of information includes using increased power retransmission information.In some embodiments, retransmission instruction is to system information The information of request include that the information of request of the retransmission instruction to system information reaches pre-determined number.

In certain embodiments, feedback response is a part of down link control information.In some embodiments, wirelessly Electric network temporary identifier is used to indicate feedback response.In various embodiments, feedback response is by being set as one or more pre- One or more fields of the down link control information of definition value indicate.In one embodiment, feedback response is in physics A part of the accidental access response message sent on downlink sharied signal channel.In certain embodiments, system is believed in instruction The information of the request of breath includes PRACH lead.

In some embodiments, feedback response includes physical accidental access corresponding with PRACH lead Channel leading identifier.In various embodiments, the message 3 during instruction is random access to the information of the request of system information A part of transmission.In certain embodiments, the information for indicating the request to system information includes indicating that requested system is believed The bitmap of breath.In one embodiment, feedback response includes the information for indicating requested system information.In some embodiments In, feedback response be random access during contention resolution message a part.In various embodiments, it is sent out using feedback response Send the downlink schedule information for system information.

Fig. 7 is diagram for sending the schematic stream of the another embodiment to the method 700 of the feedback of system information request Cheng Tu.In some embodiments, method 700 is executed by the device of such as base station unit 104.In certain embodiments, method 700 It can be by the processor of execution program code (for example, microcontroller, microprocessor, CPU, GPU, auxiliary processing unit, FPGA Deng) execute.

Method 700 may include receiving 702 instructions to the information of the request of system information.Method 700 further includes transmission 704 Feedback response, feedback response instruction receive the request to system information.

In one embodiment, method 700 includes sending scheduling information corresponding with system information.In another embodiment In, method 700 includes sending system information based on scheduling information.

In certain embodiments, feedback response is a part of down link control information.In some embodiments, wirelessly Electric network temporary identifier is used to indicate feedback response.In various embodiments, feedback response is by being set as one or more pre- One or more fields of the down link control information of definition value indicate.In one embodiment, feedback response is in physics A part of the accidental access response message sent on downlink sharied signal channel.In certain embodiments, system is believed in instruction The information of the request of breath includes PRACH lead.

In some embodiments, feedback response includes physical accidental access corresponding with PRACH lead Channel leading identifier.In various embodiments, the message 3 during instruction is random access to the information of the request of system information A part of transmission.In certain embodiments, the information for indicating the request to system information includes indicating that requested system is believed The bitmap of breath.In one embodiment, feedback response includes the information for indicating requested system information.In some embodiments In, feedback response be random access during contention resolution message a part.In various embodiments, it is sent with feedback response Downlink schedule information for system information.

In some embodiments, when transmitting PRACH (for example, SI request is leading), remote unit 102 can be monitored from base The feedback message that unit 104 of standing is sent.In various embodiments, remote unit 102 can be in predetermined amount of time (for example, definition Period, time window etc.) during monitor feedback message.In addition, in certain embodiments, when receiving feedback message, far Cheng Danyuan 102 can monitor requested SI (for example, such as in the scheduling broadcasted with minimum SI at the SI window sent with signal Indicated by information).In some embodiments, in the case where feedback message is not present, remote unit 102 assume that base PRACH transmission is not detected in unit 104 of standing, and it is leading to retransmit PRACH SI.It in such embodiments, can be to increase It is leading that the transimission power added retransmits PRACH SI.

In one embodiment, SI request is sent in the RACH response message sent on PDSCH (for example, MAC PDU) Feedback.In some embodiments of RACH process, remote unit 102 transmitted during RACH response window PRACH SI it is leading when Monitoring RACH response message is (for example, be addressed to leading or using retaining/time slot the meter of public RA-RNTI value from wherein sending Calculate-not from the PDCCH for wherein sending the RA-RNTI that leading time slot calculates).

One embodiment of Fig. 8 diagram MAC PDU 800.In some embodiments, RACH response message is MAC PDU 800 comprising MAC PDU header 802 and corresponding MAC RAR 804.In various embodiments, MAC PDU header includes one A or multiple MAC PDU sub-headers, each sub-header correspond to MAC RAR (keep out of the way indicator sub-header except).In certain implementations In example, the MAC PDU sub-header for RAR includes the random access preamble ID 806 of the transmitted random access preamble of identification. In some embodiments, MAC RAR 804 include: timing advance order 808 (for example, timing advance value, wherein base station unit Caused by 104 can notify remote unit 102 to change its timing to compensate as remote unit 102 at a distance from base station unit 104 Round-trip delay；UL granting resources 810 are (for example, base station unit 104 can be by initial resource assignment to remote unit 102, so that far UL-SCH can be used in Cheng Danyuan 102)；And/or interim C-RNTI 812 is (for example, base station unit 104 can be to remote unit 102 provide another identifier for further communicating).

In some embodiments, SI is requested, remote unit 102 may only need to receive to be detected by base station unit 104 To and/or be correctly received the leading confirmation of PRACH SI.In various embodiments, it may be not present in response to receiving SI request The continuous UL-SCH of feedback message transmits (for example, message 3).In such embodiments, remote unit 102 can ignore response 810 field of UL granting resources in received MAC RAR in SI request transmission (for example, SI request feedback).In certain implementations In example, remote unit 102 can be not responsive to the reception UL license in SI request feedback message and execute any uplink and pass Defeated (for example, remote unit 102 can handle the lower level that UL permits and is indicated to such as PHY).In various embodiments, Remote unit 102 can ignore interim 812 field of C-RNTI and 808 field of timing advance order.In some embodiments, Remote unit 102 can not set interim C-RNTI in RAR message received value (for example, SI request feedback) and/ Or C-RNTI can not be set to the value of interim C-RNTI.In one embodiment, remote unit 102 can not be applied It can not start for received timing advance order 808 in the SI feedback message of serving cell and/or remote unit 102 Or it restarts and the associated timer of corresponding TAG (for example, timeAlignmentTimer).In certain embodiments, Remote unit 102 can be in response to receiving feedback (for example, random access response) for SI request and by random access procedure It is considered as and successfully completes.

In some embodiments, remote unit 102 can be skipped inscribed by SI request feedback message (for example, RAR message) The uplink transmission of the UL license scheduling of receipts.In various embodiments, 102 skip feature of remote unit is applied in RAR Received UL license in (for example, SI requests feedback message).In such embodiments, in response in idle mode or inactive It requests remote unit 102 when on-demand SI not have the data transmitted for UL under mode, remote unit 102 can be enable to skip UL transmission.In certain embodiments, remote unit 102 can ignore interim 812 field of C-RNTI and SI request feedback message 808 field of timing advance order in (for example, RAR).

In one embodiment, in response to receiving the RAR message (for example, SI request feedback) comprising UL license, remotely Unit 102 can correspondingly execute UL transmission.In certain embodiments, SI request message can be generated in remote unit 102, the SI Request message includes the list that remote unit 102 attempts the SI/SIB obtained.In such embodiments, SI request message can be with It is MAC control element or RRC information.Furthermore, it is possible to (for example, the UL indicated in UL license is permitted in the UL resource being assigned Can be in resource 810) send SI request message generated.In various embodiments, remote unit 102 is applied small for servicing Received timing advance order 808 in area/TAG RAR message (for example, SI request feedback), and can be used for corresponding to UL transmission instruction uplink timing (for example, transmission SI request message).In some embodiments, by response to It receives UL license in SI request feedback and sends SI request message, remote unit 102 can (for example, using fine granularity) instruction Which SI/SIB it goes for.The case where this set specific to SI/SIB leading for the PRACH of SI request, is particularly advantageous.

Fig. 9 is showing for one embodiment of the method 900 of feedback response of the diagram for monitoring confirmation system information request Meaning property flow chart.In some embodiments, method 900 is executed by the device of such as remote unit 102.In certain embodiments, Method 900 can be by the processor of execution program code (for example, microcontroller, microprocessor, CPU, GPU, aid in treatment list Member, FPGA etc.) it executes.

Method 900 may include sending 902 instructions to the information of the request of system information.In certain embodiments, method 900 include the feedback response that 904 confirmation of monitoring receives the request to system information during the first predetermined amount of time.Some In embodiment, method 900 includes that instruction 906 successfully completes random access procedure in response to receiving feedback response.

In one embodiment, feedback response is that the random access response sent on physical down link sharing channel disappears A part of breath.In another embodiment, instruction includes PRACH lead to the information of the request of system information. In certain embodiments, feedback response includes PRACH lead corresponding with PRACH lead Identifier.In various embodiments, the feedback response that confirmation receives the request to system information is including physical accidental channel It is sent in the media access control sub-header of lead flag symbol.In some embodiments, method 900 includes, in response to not connecing Receive feedback response: information of the retransmission instruction to the request of system information；And during the second predetermined amount of time, monitoring confirmation Have received the feedback response of the request to system information.

In certain embodiments, retransmission instruction includes retransmitting letter using increased power to the information of the request of system information Breath.In some embodiments, retransmission instruction includes repeating to send instruction to system information to the information of the request of system information The information of request reaches pre-determined number.In one embodiment, method 900 includes receiving scheduling letter corresponding with system information Breath.In certain embodiments, method 900 includes, in response to receiving feedback response, receiving system information based on scheduling information.

In some embodiments, feedback response is a part of down link control information.In various embodiments, wirelessly Electric network temporary identifier is used to indicate feedback response.In certain embodiments, method 900 includes not by cell-radio network Temporary identifier is set as the value in feedback response.In one embodiment, feedback response is by being set as one or more predetermined One or more fields instruction of the down link control information of justice value.In some embodiments, system information is asked in instruction The information asked be random access during message 3 transmit a part.In various embodiments, request of the instruction to system information Information include the bitmap for indicating requested system information.In certain embodiments, feedback response includes that instruction is requested The information of system information.In some embodiments, a part of the contention resolution message during feedback response is random access.? In various embodiments, the downlink schedule information for being used for system information is sent using feedback response.

Figure 10 is that the remote unit 102 illustrated for receiving the request to system information to confirmation sends feedback response The schematic flow chart of one embodiment of method 1000.In some embodiments, method 1000 is by such as base station unit 104 Device executes.In certain embodiments, method 1000 can be by the processor of execution program code (for example, microcontroller, Wei Chu Manage device, CPU, GPU, auxiliary processing unit, FPGA etc.) it executes.

Method 1000 may include that 1002 instructions are received from remote unit 102 to the information of the request of system information.Each In kind embodiment, method 1000 includes confirming to have received the anti-of the request to system information to the transmission of remote unit 102 1004 Feedback response.In such embodiments, remote unit 102 in response to receive feedback response and indicate to remotely access process by Function is completed.

In one embodiment, method 1000 includes sending scheduling information corresponding with system information.In another implementation In example, method 1000 includes sending system information based on scheduling information.In certain embodiments, feedback response is downlink control A part of information processed.In some embodiments, radio network temporary identifier is used to indicate feedback response.In various implementations In example, feedback response is referred to by the one or more fields for being set as the down link control information of one or more predefined values Show.In one embodiment, feedback response is the accidental access response message sent on physical down link sharing channel A part.In certain embodiments, instruction includes PRACH lead to the information of the request of system information.

In some embodiments, feedback response includes physical accidental access corresponding with PRACH lead Channel leading identifier.In various embodiments, feedback response is in the media interviews including physical accidental channel lead flag symbol It is sent in control sub-header.In certain embodiments, disappearing during instruction is random access to the information of the request of system information A part of 3 transmission of breath.In one embodiment, the information for indicating the request to system information includes indicating requested system The bitmap of information.In some embodiments, feedback response includes the information for indicating requested system information.In various embodiments In, feedback response be random access during contention resolution message a part.In one embodiment, it is sent out using feedback response Send the downlink schedule information for system information.

One embodiment includes a kind of method, comprising: sends the information of request of the instruction to system information；It is predetermined first Monitoring confirmation receives the feedback response of the request to system information during period；And in response to receiving feedback response and Instruction successfully completes random access procedure.

In certain embodiments, feedback response is that the random access response sent on physical down link sharing channel disappears A part of breath.

In various embodiments, instruction includes PRACH lead to the information of the request of system information.

In some embodiments, feedback response includes physical accidental access corresponding with PRACH lead Channel leading identifier.

In one embodiment, it is sent in the media access control sub-header for including physical accidental channel lead flag symbol Confirmation receives the feedback response of the request to system information.

In certain embodiments, a kind of method further include: in response to not receiving feedback response: retransmission instruction believes system The information of the request of breath；During the second predetermined amount of time, monitoring confirmation receives the feedback response of the request to system information.

In various embodiments, retransmission instruction includes retransmitting letter using increased power to the information of the request of system information Breath.

In some embodiments, retransmission instruction includes repeating to send instruction to system letter to the information of the request of system information The information of the request of breath reaches pre-determined number.

In one embodiment, a kind of method includes receiving scheduling information corresponding with system information.

In certain embodiments, a kind of method includes: to receive system based on scheduling information in response to receiving feedback response Information.

In various embodiments, feedback response is a part of down link control information.

In some embodiments, radio network temporary identifier is used to indicate that feedback response.

In one embodiment, a kind of method includes not setting feedback response for Cell Radio Network Temporary Identity symbol In value.

In certain embodiments, feedback response is by being set as the down link control informations of one or more predefined values One or more field instructions.

In various embodiments, the message 3 during instruction is random access to the information of the request of system information is transmitted A part.

In some embodiments, instruction includes indicating the position of requested system information to the information of the request of system information Figure.

In one embodiment, feedback response includes the information for indicating requested system information.

In certain embodiments, a part of the contention resolution message during feedback response is random access.

In various embodiments, the downlink schedule information for being used for system information is sent using feedback response.

A kind of device includes: transmitter, sends the information of request of the instruction to system information；Receiver, it is pre- first Monitoring confirmation receives the feedback response of the request to system information during section of fixing time；And processor, in response to receiving It indicates to successfully complete random access procedure to feedback response.

In certain embodiments, feedback response is that the random access response sent on physical down link sharing channel disappears A part of breath.

In various embodiments, instruction includes PRACH lead to the information of the request of system information.

In some embodiments, feedback response includes physical accidental access corresponding with PRACH lead Channel leading identifier.

In one embodiment, it is sent in the media access control sub-header for including physical accidental channel lead flag symbol Confirmation receives the feedback response of the request to system information.

In certain embodiments, in response to not receiving feedback response: request of the transmitter retransmission instruction to system information Information；And receiver monitors that confirmation receives the feedback sound of the request to system information during the second predetermined amount of time It answers.

In various embodiments, transmitter carrys out retransmission instruction to system information by using increased power retransmission information The information of request.

In some embodiments, transmitter indicates to reach the information of the request of system information predetermined time by repeating to send Number carrys out retransmission instruction to the information of the request of system information.

In one embodiment, receiver receives scheduling information corresponding with system information.

In certain embodiments, in response to receiving feedback response, receiver is based on scheduling information and receives system information.

In various embodiments, feedback response is a part of down link control information.

In some embodiments, radio network temporary identifier is used to indicate that feedback response.

In one embodiment, processor does not set Cell Radio Network Temporary Identity symbol in feedback response Value.

In certain embodiments, feedback response is by being set as the down link control informations of one or more predefined values One or more field instructions.

In various embodiments, the message 3 during instruction is random access to the information of the request of system information is transmitted A part.

In some embodiments, instruction includes indicating the position of requested system information to the information of the request of system information Figure.

In one embodiment, feedback response includes the information for indicating requested system information.

In certain embodiments, a part of the contention resolution message during feedback response is random access.

In various embodiments, the downlink schedule information for being used for system information is sent using feedback response.

A kind of method includes: that the information of request of the instruction to system information is received from remote unit；And to remote unit The feedback response for the request that confirmation is received to system information is sent, remote unit refers in response to receiving feedback response Show and successfully completes the process of remotely accessing.

In some embodiments, a kind of method includes sending scheduling information corresponding with system information.

In certain embodiments, a kind of method includes sending system information based on scheduling information.

In various embodiments, feedback response is a part of down link control information.

In one embodiment, radio network temporary identifier is used to indicate that feedback response.

In some embodiments, feedback response is by being set as the down link control informations of one or more predefined values One or more field instructions.

In certain embodiments, feedback response is that the random access response sent on physical down link sharing channel disappears A part of breath.

In various embodiments, instruction includes PRACH lead to the information of the request of system information.

In one embodiment, feedback response includes physical accidental access corresponding with PRACH lead Channel leading identifier.

In some embodiments, it is sent in the media access control sub-header for including physical accidental channel lead flag symbol Feedback response.

In certain embodiments, the message 3 during instruction is random access to the information of the request of system information is transmitted A part.

In various embodiments, instruction includes indicating the position of requested system information to the information of the request of system information Figure.

In one embodiment, feedback response includes the information for indicating requested system information.

In some embodiments, a part of the contention resolution message during feedback response is random access.

In certain embodiments, the downlink schedule information for being used for system information is sent using feedback response.

A kind of device includes: receiver, and the information of request of the instruction to system information is received from remote unit；Transmitting Device sends the feedback response for the request that confirmation is received to system information to remote unit, wherein remote unit is in response to connecing It receives feedback response and indicates to successfully complete the process of remotely accessing.

In some embodiments, transmitter sends scheduling information corresponding with system information.

In certain embodiments, transmitter is based on scheduling information and sends system information.

In various embodiments, feedback response is a part of down link control information.

In one embodiment, radio network temporary identifier is used to indicate that feedback response.

In some embodiments, feedback response is by being set as the down link control informations of one or more predefined values One or more field instructions.

In certain embodiments, feedback response is that the random access response sent on physical down link sharing channel disappears A part of breath.

In various embodiments, instruction includes PRACH lead to the information of the request of system information.

In one embodiment, feedback response includes physical accidental access corresponding with PRACH lead Channel leading identifier.

In certain embodiments, it is sent in the media access control sub-header for including physical accidental channel lead flag symbol Feedback response.

In various embodiments, the message 3 during instruction is random access to the information of the request of system information is transmitted A part.

In one embodiment, instruction includes indicating the position of requested system information to the information of the request of system information Figure.

In some embodiments, feedback response includes the information for indicating requested system information.

In certain embodiments, a part of the contention resolution message during feedback response is random access.

In various embodiments, the downlink schedule information for being used for system information is sent using feedback response.

Embodiment can be practiced in other specific forms.Described embodiment is regarded as being only to say in all respects Bright property and not restrictive.Therefore, the scope of the present invention is by appended claims rather than the description of front indicates.It is weighing The all changes in meaning and equivalency range that benefit requires are included within the scope of its.

Claims (15)

1. a kind of method, comprising:

Send the information of request of the instruction to system information；

Monitoring confirmation receives the feedback response of the request to the system information during the first predetermined amount of time；And

It indicates to successfully complete random access procedure in response to receiving the feedback response.

2. according to the method described in claim 1, wherein, instruction includes to the information of the request of the system information PRACH lead.

3. according to the method described in claim 2, wherein, the feedback response includes and the PRACH lead Corresponding PRACH lead identifier.

4. according to the method described in claim 3, wherein, confirmation receives the described anti-of the request to the system information Feedback response is sent in the media access control sub-header for including the physical accidental channel lead flag symbol.

5. according to the method described in claim 1, wherein, radio network temporary identifier is used to indicate that the feedback is rung It answers.

6. according to the method described in claim 1, wherein, the feedback response is by being set as under one or more predefined values One or more fields of downlink control information indicate.

7. according to the method described in claim 1, wherein, instruction to the information of the request of the system information be with A part that message 3 during machine access is transmitted.

8. according to the method described in claim 1, wherein, instruction includes to the information of the request of the system information Indicate the bitmap of requested system information.

9. according to the method described in claim 1, wherein, being sent using the feedback response under the system information Downlink schedule information.

10. a kind of device, comprising:

Transmitter, the transmitter send the information of request of the instruction to system information；

Receiver, the receiver monitor that confirmation receives during the first predetermined amount of time and ask to described in the system information The feedback response asked；And

Processor, the processor response indicate to successfully complete random access procedure in receiving the feedback response.

11. device according to claim 10, wherein in response to not receiving the feedback response:

The information of the transmitter retransmission instruction to the request of the system information；With

The receiver monitors that confirmation receives the institute of the request to the system information during the second predetermined amount of time State feedback response.

12. device according to claim 11, wherein the transmitter retransmits the information by using increased power Carry out the information of the request of the retransmission instruction to the system information.

13. device according to claim 11, wherein the transmitter is by repeating to send instruction to the system information The information of the request reach the information that pre-determined number carrys out the request of the retransmission instruction to the system information.

14. device according to claim 10, wherein the processor does not set Cell Radio Network Temporary Identity symbol The value being set in the feedback response.

15. a kind of device, comprising:

Receiver, the receiver receive the information of request of the instruction to system information from remote unit；With

Transmitter, the transmitter receive the anti-of the request to the system information to remote unit transmission confirmation Feedback response, wherein the remote unit indicates to successfully complete the process of remotely accessing in response to receiving the feedback response.