CN110050475A - Coverage enhancement limitation for CIoT equipment - Google Patents

Abstract

The device that one kind having the user equipment (UE) of honeycomb Internet of Things (CIoT) ability is configured for the communication of the Evolved Packet System (EPS) in public land mobile network (PLMN).The device includes processing circuit, the processing circuit is configured as to attachment request message coding for the mobility management entity (MME) being sent in EPS, which includes the UE capability information element (IE) pointing out UE and whether supporting to the limitation for using enhancing to cover.The attachment received message that processing circuit can be attached to MME to confirmation decodes, which includes indicating whether to limit UE to support IE to the EPS network characterization of enhancing covering used.Processing circuit can be supported to support the limitation and EPS network characterization that use enhancing to cover IE to point out to inhibit that enhancing is used to cover in the PLMN when limiting enhancing covering to UE in UE.

Description

Coverage enhancement limitation for CIoT equipment

Priority claim

This application claims entitled " the RESTRICTIONS FOR COVERAGE submitted on January 9th, 2017 The benefit of priority of the U.S. Provisional Patent Application Serial No. 62/444,200 of ENHANCEMENTS FOR CIOT DEVICES ", It is fully incorporated incorporated herein by by the provisional application.

Technical field

Various aspects are related to wirelessly communicating.Some aspects are related to wireless network, including 3GPP (third generation partner program) Network, 3GPP LTE (long term evolution) network, 3GPP LTE-A (LTE upgrade version) network and including new radio (new Radio, NR) the 5th generation (5G) network including network.Other aspects are directed to for honeycomb Internet of Things (Cellular Internet-of-Things, CIoT) equipment coverage enhancement (coverage enhancement, CE) limitation.

Background technique

Mobile communication has substantially evolved to the integrated communications platform of current height exquisiteness from early stage voice system.With with The increase of the different types of equipment of various network device communications has increased the use of 3GPP LTE system.Mobile device The infiltration of (user equipment or UE) in contemporary society still persistently drives in a variety of different environment to various The demand of net equipment.

LTE and LTE upgrade version is the channel radio of the high-speed data of the user equipment (UE) for such as mobile phone etc The standard of letter.In LTE upgrade version and various wireless systems, carrier wave polymerization is such a technology: according to the technology in difference The multiple carrier signals operated in frequency, which can be used for carrying for single UE, to be communicated, to increase the available bandwidth of individual equipment.? In some aspects, carrier wave polymerization can be used in the case where operating in unlicensed frequency in one or more member carriers.

The using for networking UE for using 3GPP LTE system has been increased in the field of family and Working Life.5th Generation (5G) wireless system at hand, and is expected and makes to be able to achieve higher speed, connectivity and availability.Next-generation 5G net Network, which is expected, increases handling capacity, covering and robustness.Since current cellular network frequency has been saturated, such as millimeter wave (mmWave) high-frequency of frequency etc may be beneficial due to its high bandwidth.

Volatile wireless flow increases the demand for resulting in and improving to rate.There are mature physical-layer techniques, frequency spectrum The further improvement of efficiency may be inappreciable.On the other hand, the shortage of the licensed spectrum in lower frequency band results in number The deficiency promoted according to rate.To form interest for the operation of the LTE system in unlicensed frequency spectrum.As a result, 3GPP the 13rd The important enhancing of one of LTE in version is to assist access (Licensed-Assisted Access, LAA) to enable it via license Operation in unlicensed frequency spectrum, this, which passes through, upgrades the flexible carrier wave polymerization (carrier that edition system introduces using by LTE Aggregation, CA) frame and extend system bandwidth.13rd edition LAA system is focused on via CA on unlicensed frequency spectrum The design of downlink operation, and the enhanced LAA of version 14 (enhanced LAA, eLAA) system focuses on and is permitted via CA non- Can uplink operation on frequency spectrum design.

Potential LTE operation in unlicensed frequency spectrum includes (and being not limited to) via dual connectivity (dual Connectivity, DC) LTE operation in unlicensed frequency spectrum, in other words in the LAA based on DC and unlicensed frequency spectrum Independent LTE system, according to this system, the technology based on LTE is only operated in unlicensed frequency spectrum, without requiring licensed spectrum In " anchoring ", this is referred to as MulteFire.MulteFire is by the letter of the performance benefit of LTE technology and the deployment of similar WiFi Unisexuality combines.The LTE system in licensed spectrum and unlicensed frequency spectrum is contemplated in the version and 5G system in future The operation further enhanced.

Machine to machine (Machine-to-Machine, M2M) communicates a kind of important growth for representing the 3GPP ecosystem Chance.With the diffusion of wireless network, towards such as wireless sensor, intelligence instrument, special microprocessor etc. across The intelligent physical object of the more connection of the Different ecosystems with different business model has the propulsion of acceleration.

Detailed description of the invention

In the attached drawing being not drawn necessarily to scale, similar label can describe similar component in different views.Tool There is the similar label of different letter suffix that can indicate the different instances of similar component.Attached drawing briefly by way of example rather than limits Mode illustrates the various aspects discussed in this document.

Figure 1A illustrates the architecture of network according to some aspects.

Figure 1B is the simplification figure according to whole next-generation (NG) system architecture of some aspects.

Fig. 1 C illustrates the segmentation of the function between NG-RAN and 5G core (5GC) according to some aspects.

Fig. 1 D and Fig. 1 E illustrate non-roaming 5G system architecture according to some aspects.

Fig. 1 F illustrates example CIoT network architecture according to some aspects.

Fig. 2 illustrates the exemplary components of equipment 200 according to some aspects.

Fig. 3 illustrates the example interface of baseband circuit according to some aspects.

Fig. 4 is the diagram according to the control plane protocol stack of some aspects.

Fig. 5 is the diagram according to the user-plane protocol stack of some aspects.

Fig. 6 is that illustrate can be from machine readable or computer-readable medium (for example, non-transient according to some exemplary aspects Machine readable storage medium) it reads and instructs and the frame of the component that any one or more of executes methodologies discussed herein Figure.

Fig. 7 illustrates the example communication sequence in CIoT environment according to some aspects.

Fig. 8 illustrates example UE capability information element according to some aspects.

Fig. 9 illustrates example EPS network characterization according to some aspects and supports information element.

Figure 10 illustrates example MS capability information element according to some aspects.

Figure 11 illustrates example complementary network feature according to some aspects and supports information element.

Figure 12 summarizes the exemplary method for illustrating the UE that operation is supported to the limitation for using enhancing to cover according to some aspects Flow chart.

Figure 13 illustrates such as evolved node B (eNB), next generation node B (gNB), access point according to some aspects (AP), the block diagram of the communication equipment of radio station (STA), movement station (MS) or user equipment (UE) etc.

Specific embodiment

The following description and drawings have absolutely proved various aspects so that those skilled in the art can be realized them.Its other party Face may include structure, logic, it is electric, process and other variation.The part of some aspects and feature can be included in it It is substituted in his aspect or by otherwise part and feature.The aspect recorded in claim covers these rights and wants That asks is all available equivalent.

Any radio link described herein can be according to appointing in the following exemplary radio communication technology and/or standard What one or more operates, and the radio communication technology and/or standard include but is not limited to: global system for mobile communications (Global System for Mobile Communications, GSM) radio communication technology, general packet radio clothes Business (General Packet Radio Service, GPRS) radio communication technology, the enhancing data rate for GSM evolution (Enhanced Data Rates for GSM Evolution, EDGE) radio communication technology and/or third generation affiliate Plan (Third Generation Partnership Project, 3GPP) radio communication technology, such as General Mobile electricity Letter system (Universal Mobile Telecommunications System, UMTS), multimedia access is freely (Freedom of Multimedia Access, FOMA), 3GPP long term evolution (Long Term Evolution, LTE), 3GPP long-term evolution upgrading version (Long Term Evolution Advanced, LTE upgrade version), CDMA access 2000 (Code division multiple access 2000, CDMA2000), Cellular Digital Packet Data (Cellular Digital Packet Data, CDPD), Mobitex, the third generation (Third Generation, 3G), circuit switched data (Circuit Switched Data, CSD), high speed circuit switched data (High-Speed Circuit-Switched Data, HSCSD), Universal Mobile Telecommunications System (third generation) (Universal Mobile Telecommunications System (Third Generation), UMTS (3G)), Wideband Code Division Multiple Access (Universal Mobile Telecommunications System) (Wideband Code Division Multiple Access(Universal Mobile Telecommunications System), W-CDMA (UMTS)), high-speed packet accesses (High Speed Packet Access, HSPA), high-speed downstream chain Road grouping access (High-Speed Downlink Packet Access, HSDPA), High Speed Uplink Packet access (High-Speed Uplink Packet Access, HSUPA), high-speed packet access strengthening version (High Speed Packet Access Plus, HSPA+), Universal Mobile Telecommunications System-time division duplex (Universal Mobile Telecommunications System-Time-Division Duplex, UMTS-TDD), TD-CDMA Time Division-Code Division Multiple Access access (Time Division-Code Division Multiple Access, TD-CDMA), Time Division-Synchronous Code Division Multiple Access access (Time Division-Synchronous Code Division Multiple Access, TD-CDMA), third generation cooperation Partnership Program the 8th edition (before 4 generations) (3GPP Rel.8 (Pre-4G)), 3GPP Rel.9 (third generation partner program the 9th edition), 3GPP Rel.10 (third generation partner program the 10th edition), 3GPP Rel.11 (third generation partner program the 11st edition), 3GPP Rel.12 (third generation partner program the 12nd edition), 3GPP Rel.13 (third generation partner program the 13rd edition), 3GPP Rel.14 (third generation partner program the 14th edition), 3GPP Rel.15 (third generation partner program the 15th edition), 3GPP Rel.16 (third generation partner program the 16th edition), 3GPP Rel.17 (third generation partner program the 17th edition), 3GPP Rel.18 (third generation partner program the 18th edition), 3GPP 5G, 3GPP LTE Extra, LTE-Advanced Pro, LTE license auxiliary access (LTE Licensed-Assisted Access, LAA), MuLTEfire, UMTS terrestrial wireless It is electrically accessed (UMTS Terrestrial Radio Access, UTRA), evolved UMTS terrestrial wireless is electrically accessed (Evolved UMTS Terrestrial Radio Access, E-UTRA), long-term evolution upgrading version (the 4th generation) (LTE upgrade version (4G)), CdmaOne (2G), CDMA access 2000 (third generations) (CDMA2000 (3G)), Evolution-Data Optimized or only evolution data (Evolution-Data Optimized or Evolution-Data Only, EV-DO), Advanced Mobile Phone System (1st generation) (Advanced Mobile Phone System (1st Generation), AMPS (1G)), total access communications system/extension is total Access communications system (Total Access Communication System/Extended Total Access Communication System, TACS/ETACS), digital AMPS (2nd generation) (D-AMPS (2G)), push to speak (Push- To-talk, PTT), mobile telephone system (Mobile Telephone System, MTS), improved mobile telephone system (Improved Mobile Telephone System, IMTS), Advanced Mobile Phone System (Advanced Mobile Telephone System, AMTS), OLT (Norwegian, Offentlig Landmobil Telefoni, the mobile electricity of public land Words), MTD (Swedish of Mobiltelefonisystem D is abridged, in other words mobile telephone system D), public automatic land is moved Dynamic (Public Automated Land Mobile, Autotel/PALM), ARP (Finnish, Autoradiopuhelin, " vapour Vehicle radio phone "), NMT (Nordic Mobile Telephony, nordic mobile phone), NTT's (telegram in Japanese and phone) High capacity version (Hicap), Cellular Digital Packet Data (Cellular Digital Packet Data, CDPD), Mobitex, DataTAC, integrated digital enhanced network (Integrated Digital Enhanced Network, iDEN) are a People's digital cellular (Personal Digital Cellular, PDC), circuit switched data (Circuit Switched Data, CSD), personal handyphone system (Personal Handy-phone System, PHS), broadband integrated digitally enhance network (Wideband Integrated Digital Enhanced Network, WiDEN), iBurst, unlicensed mobile access (Unlicensed Mobile Access, UMA) (also referred to as 3GPP general access network or GAN standard), Zigbee,Wireless gigabit alliance (Wireless Gigabit Alliance, WiGig) standard, general mmWave Standard (works in the wireless system, such as WiGig, IEEE 802.11ad, IEEE 802.11ay etc. of 10-300GHz or more Deng), the technology that works more than 300GHz or more and THz frequency band (based on 3GPP/LTE's or IEEE 802.11p and its He), vehicle to vehicle (Vehicle-to-Vehicle, V2V) and vehicle to X (Vehicle-to-X, V2X) and vehicle to base Infrastructure (Vehicle-to-Infrastructure, V2I) and infrastructure are to vehicle (Infrastructure-to- Vehicle, I2V) communication technology, 3GPP honeycomb V2X, DSRC (dedicated short-range communication) communication system, such as Intelligent Transportation Systems And other, etc..

Aspects described herein can be used in the context of any spectrum management schemes, for example including proprietary license frequency spectrum, Unlicensed frequency spectrum, (license) share frequency spectrum (such as in 2.3-2.4GHz, 3.4-3.6GHz, 3.6-3.8GHz and more multi-frequency The frequency spectrum in shared access (Licensed Shared Access, LSA) and 3.55-3.7GHz and more multi-frequency is permitted to access system It unites (Spectrum Access System, SAS)).Applicable spectrum bands include IMT (international mobile telecommunication) frequency spectrum (packet Include 450-470MHz, 790-960MHz, 1710-2025MHz, 2110-2200MHz, 2300-2400MHz, 2500-2690MHz, 698-790MHz, 610-790MHz, 3400-3600MHz etc.), advanced IMT frequency spectrum, IMT-2020 frequency spectrum is (it is expected that include for example 3600-3800MHz, 3.5GHz frequency band, 700MHz frequency band, the frequency band within the scope of 24.25-86GHz), it is entrusted meeting according to Federal Communication " frequency spectrum forward position " 5G of member proposes available frequency spectrum (including 27.5-28.35GHz, 29.1-29.25GHz, 31-31.3GHz, 37- 38.6GHz, 38.6-40GHz, 42-42.5GHz, 57-64GHz, 71-76GHz, 81-86GHz and 92-94GHz etc.), ITS (Intelligent Transportation Systems) frequency band of 5.9GHz (usually 5.85-5.925GHz) and 63-64GHz, is currently assigned to WiGig Frequency band, such as WiGig frequency band 1 (57.24-59.40GHz), WiGig frequency band 2 (59.40-61.56GHz), WiGig frequency band 3 (61.56-63.72GHz) and WiGig frequency band 4 (63.72-65.88GHz), 70.2GHz -71GHz frequency band, 65.88GHz and Any frequency band between 71GHz is currently assigned to the frequency band (such as 76-81GHz) of car radar application, and including 94- The future band of 300GHz or more.In addition, the program also can be used as and secondary be used in for example that TV blank frequency band is (usually less than On frequency band 790MHz) etc, wherein 400MHz and 700MHz frequency band especially can be used.Other than cellular application, it can solve The certainly concrete application of vertical market, such as PMSE (Program Making and Special Events, program making and spy Other event), medical treatment, health, surgery, automobile, low time delay, unmanned plane etc..

By the way that OFDM carrier data bit vectors are assigned to corresponding sign resources, aspects described herein can also be answered Use different single carrier or OFDM form (CP-OFDM, SC-FDMA, SC-OFDM, multicarrier based on wave filter group (filter bank-based multicarrier, FBMC), OFDMA etc.) and especially 3GPP NR (New Radio, New radio).

Figure 1A illustrates the architecture of network according to some aspects.Network 140A is shown as including user equipment (UE) 101 and UE 102.UE 101 and 102 is illustrated as smart phone (for example, may be connected to the hand-held touching of one or more cellular networks Touch screen mobile computing device), but may also comprise any movement or stationary computing devices, such as personal digital assistant (Personal Data Assistant, PDA), pager, laptop computer, desktop computer, wireless phone, nobody Machine calculates equipment including wired and/or wireless communication interface any other.

In some embodiments, any of UE 101 and 102 may include Internet of Things (Internet of Things, IoT) UE, which may include the network insertion for being designed to apply using the low-power IoT of short-term UE connection Layer.IoT UE is using such as machine to machine (machine-to-machine, M2M) or machine type communication (machine- Type communications, MTC) etc technology come via public land mobile network (public land mobile Network, PLMN), based on neighbouring service (Proximity-Based Service, ProSe) or device-to-device (device-to-device, D2D) communication, sensor network or IoT network come and MTC server or devices exchange data.M2M Or MTC data exchange can be the data exchange of machine initiation.The description of IoT network interconnects IoT UE using short-term connection, this A little IoT UE may include can unique identification embedding assembly equipment (in the Internet infrastructure).The executable backstage IoT UE Promote the connection of IoT network using (for example, keep-alive message, state update etc.).

UE 101 and 102 can be configured to connect with radio access network (radio access network, RAN) 110 Meeting (such as being communicatively coupled)-RAN 110 for example can be evolved Universal Mobile Telecommunications System (Universal Mobile Telecommunications System, UMTS) terrestrial radio access network network (E-UTRAN), next generation RAN (NextGen RAN, NG RAN) or some other type of RAN.UE 101 and 102 is utilized respectively connection 103 and 104, each of them packet Include physical communication interface or layer (discussing in more detail below)；In this example, connection 103 and 104 is illustrated as air interface It is enabled to be communicatively coupled, and may conform to cellular communication protocol, such as global system for mobile communications (GSM) agreement, CDMA connect Enter (CDMA) network protocol, push to speak (PTT) agreement, honeycomb PTT (POC) agreement, Universal Mobile Telecommunications System (UMTS) association View, 3GPP long term evolution (LTE) agreement, the 5th generation (5G) agreement, new radio (NR) agreement, etc..

In certain aspects, RAN 110 may include NG RAN or NG core RAN.NG RAN110 may include various functions, Such as it accesses and mobile management function to ps domain (access and mobility management function, AMF), session pipe Manage function (session management function, SMF), user-plane function (user plane function, UPF), policy control functions (policy control function, PCF), uniform data management (unified data Management, UDM) function and network function (network function, NF) warehouse functions (NF repository Function, NRF).AMF can be used for managing access control and mobility, and may also comprise network slice selection function.SMF It can be configured to that various sessions are set up and managed according to network strategy.UPF can be deployed one according to desired service type Or multiple configurations.PCF can be configured to provide policy framework (with 4G communication system using network slice, mobile management and roaming PCRF in system is similar).UDM can be configured to storage subscriber profiles and data (similar with the HSS in 4G communication system).NG The various aspects of RAN and NG core are discussed herein with reference to Figure 1B, Fig. 1 C, Fig. 1 D and Fig. 1 E.

In one aspect, UE 101 and 102 can also be via the direct exchange communication data of ProSe interface 105.ProSe interface 105 or be referred to alternatively as include one or more logic channels wing interface, including but not limited to physics wing control channel (Physical Sidelink Control Channel, PSCCH), physics wing share channel (Physical Sidelink Shared Channel, PSSCH), physics wing discovery channel (Physical Sidelink Discovery Channel, ) and physics wing broadcast channel (Physical Sidelink Broadcast Channel, PSBCH) PSDCH.

UE 102 is illustrated as being configured as via connection 107 access points (access point, AP) 106.Connection 107 It may include that logic is wirelessly connected, such as meets the connection of any 802.11 agreement of IEEE, may include nothing according to agreement AP 106 Line fidelityRouter.In this example, AP 106 is shown connected to internet, without connected to wireless system Core network (hereafter more be described in detail description).

RAN 110 may include one or more access nodes of enabled connection 103 and 104.These access nodes (access Node, AN) it is referred to alternatively as base station (base station, BS), NodeB, evolved NodeB (eNB), next generation NodeB (gNB), RAN node etc., and may include provide some geographic area (for example, cell) in covering earth station (for example, Terrestrial access points) or satellite station.In certain aspects, communication node 111 and 112 can be transmission/receiving point (transmission/reception point, TRP).It is NodeB (for example, eNB or gNB) in communication node 111 and 112 In situation, one or more TRP can work in the communication cell of NodeB.RAN 110 may include one for providing macrocell A or multiple RAN nodes, such as macro RAN node 111, and for providing Femto cell or picocell (for example, with macro small Area compare with smaller area coverage, smaller user capacity or higher bandwidth cell) one or more RAN section Point, such as low-power (LP) RAN node 112.

Any one of RAN node 111 and 112 can terminate air interface protocol and can be the first of UE101 and 102 Contact point.In certain aspects, any of RAN node 111 and 112 can fulfil various logic function for RAN 110, wrap It includes but is not limited to radio network controller (radio network controller, RNC) function, such as radio bearer pipe Reason, uplink and the management of downlink dynamic radio resources and data packet scheduling and mobile management.Show at one In example, any of node 111 and/or 112 can be node B (gNB) of new generation, evolved node B (eNB) or another The RAN node of one type.

According to some aspects, UE 101 and 102 can be configured to pass through multicarrier communication channel according to the various communication technologys Utilize orthogonal frequency division multiplexing (Orthogonal Frequency-Division Multiplexing, OFDM) signal of communication and that This is communicated with any of RAN node 111 and 112, and the communication technology is such as, but not limited to be that orthogonal frequency is more (Orthogonal Frequency-Division Multiple Access, OFDMA) communication technology is accessed (for example, being used in location Downlink communication) or single-carrier frequency division multiple access access (Single Carrier Frequency Division Multiple Access, SC-FDMA) communication technology (for example, for uplink and ProSe or wing communication), although in this way Aspect be not required.Ofdm signal may include multiple orthogonal sub-carriers.

In certain aspects, down-chain resource grid can be used for from any of RAN node 111 and 112 to UE 101 and 102 downlink is sent, and uplink transmission can utilize similar technology.The grid can be T/F net Lattice, referred to as resource grid or time-frequency resource grid, this is the physical resource in the downlink in each time slot.This Kind T/F plane expression can be used for ofdm system, this makes, and it is suitable for radio resources allocations.Resource grid it is each Column and every a line can correspond respectively to an OFDM symbol and an OFDM subcarrier.Resource grid can in the duration of time domain Corresponding to a time slot in radio frame.Minimum time-frequency cells in resource grid may be expressed as element of resource.Often A resource grid may include several resource blocks, this describes the mapping of particular physical channel to element of resource.Each resource block can Set including element of resource；In frequency domain, this can indicate the resource of current assignable minimum number in certain aspects.It can To there is several different physical down link channels transported using this resource block.

Physical down link sharing channel (physical downlink shared channel, PDSCH) can be by user Data and higher level signaling are carried to UE 101 and 102.Physical downlink control channel (physical downlink Control channel, PDCCH) information about related with PDSCH channel transformat and resource allocation can be delivered, etc. Deng.It also may be notified that UE 101 and 102 about transformat related with uplink shared channel, resource allocation and H-ARQ (mixed automatic repeat request) information.In general, (UE 102 into cell assigns control and shared channel money to downlink scheduling Source block) it can be based on the channel quality information fed back from any of UE 111 and 112 appointing in RAN node 101 and 102 What executed at one.Downlink resource assignment information can be for each of (for example, being assigned to) UE's 101 and 102 It is sent on PDCCH.

Control channel element (control channel element, CCE) can be used to transport control information for PDCCH.? It is mapped to before element of resource, PDCCH complex-valued symbol can be organized into four-tuple first, these four-tuples can be then utilized Sub-block interleaver carries out transposition to carry out rate-matched.Each PDCCH can be sent out using one or more of these CCE It send, wherein each CCE can correspond to four objects of referred to as element of resource group (resource element group, REG) Manage nine set of element of resource.Four four phase shift keying (Quadrature Phase Shift can be mapped for each REG Keying, QPSK) symbol.Depending on the big of down link control information (downlink control information, DCI) Small and channel condition can send PDCCH using one or more CCE.It is different there are four can define in LTE or more PDCCH format has different number of CCE (for example, polymerizeing horizontal L=1,2,4 or 8).

Some aspects can use control channel information the concept of resource allocation, these concepts are the extensions of above-mentioned concept. For example, some aspects are using the enhanced physical downlink control channel sent for control information using PDSCH resource (enhanced physical downlink control channel, EPDCCH).Using one or more enhanced controls Channel element (enhanced control channel element, ECCE) processed sends EPDCCH.It is similar to the above, each ECCE can correspond to referred to as enhanced element of resource group (enhanced resource element group, EREG) Nine set of four physical resource elements.ECCE can have the EREG of other numbers according to some arrangements.

RAN 110 is illustrated as being communicably coupled to core network (CN) 120 via S1 interface 113.In certain aspects, CN 120 can be Evolved Packet Core (evolved packet core, EPC) network, next-generation block core (NextGen Packet Core, NPC) network or some other type of CN (for example, as with reference to shown in Figure 1B -1E).In this respect In, S1 interface 113 is divided into two parts: S1-U interface 114, in RAN node 111 and 112 and gateway Carrier flow rate data between (serving gateway, S-GW) 122；And S1 mobility management entity (mobility Management entity, MME) interface 115 is the signaling interface between RAN node 111 and 112 and MME 121.

In this aspect of the invention, CN 120 includes MME 121, S-GW 122, packet data network (Packet Data Network, PDN) gateway (P-GW) 123 and home subscriber servers (home subscriber server, HSS) 124.MME 121 functionally can be similar to leave service general packet radio service (General Packet Radio Service, GPRS) the control plane of supporting node (Serving GPRS Support Node, SGSN).MME 121 can be managed in access In terms of mobility, such as gateway selection and tracking zone list management.HSS 124 may include the database for the network user, Including subscription related information, for supporting processing of the network entity to communication session.CN 120 may include one or several HSS 124, this depends on the number of mobile subscriber, the capacity of equipment, the tissue of network, etc..For example, HSS 124 can be to routing/unrestrained Trip, certification, authorization, name/addressing parsing, position compliance etc. provide support.

S-GW 122 can terminate the S1 interface 110 towards RAN 113, and route number between RAN 110 and CN 120 According to grouping.In addition, S-GW 122 can be the local mobile anchor point switched between RAN node and can also move between 3GPP Property provide anchoring.Other responsibilities of S-GW 122 may include lawful intercept, charge and some strategy implements.

P-GW 123 can terminate the SGi interface towards PDN.P-GW 123 can exist via Internet protocol (IP) interface 125 Route data grouping between EPC network 123 and external network, the external network be, for example, include application server 130 (or Referred to as application function (application function, AF)) network.In general, application server 130 can be to provide With core network using IP bearing resource application element (for example, the domain UMTS packet service (Packet Service, PS), LTE PS data service, etc.).In this aspect of the invention, P-GW 123 is illustrated as being communicably coupled to via IP communication interface 125 Application server 130.Application server 130 may be alternatively configured as being that UE 101 and 102 supports one or more via CN 120 Communication service (for example, voice over internet protocol (Voice-over-Internet Protocol, VoIP) session, PTT session, Group communication session, social networking service etc.).

P-GW 123 can also be the node for strategy implement and charge data collection.Function is implemented in strategy and charge (Policy and Charging Enforcement Function, PCEF) 126 is the strategy and toll control member of CN120 Part.In non-roaming scene, in certain aspects, network (Internet is being accessed with the Internet protocol connectivity of UE Protocol Connectivity Access Network, IP-CAN) the associated Home Public Land Mobile Network network of session There can be single PCRF in (Home Public Land Mobile Network, HPLMN).In the local break-out with flow Roaming scence in, can there are two PCRF it is associated with the IP-CAN session of UE: the ownership PCRF (Home in HPLMN PCRF, H-PCRF) and Visited Public Land mobile network (Visited Public Land Mobile Network, VPLMN) Interior interviewed PCRF (Visited PCRF, V-PCRF).PCRF 126 can be communicably coupled to application service via P-GW 123 Device 130.Application server 130 can point out new service flow with PCRF 126 is signaled and select service quality appropriate (Quality of Service, QoS) and billing parameters.PCRF126 can utilize flow flow template (traffic flow appropriate Template, TFT) and QoS class identifier (QoS class of identifier, QCI) by this rule be set to strategy and receive Take and implement in function (PCEF) (not shown), this has started the QoS specified by application server 130 and charge.

In one example, any of node 111 or 112 can be configured to be conveyed to UE 101/102 (for example, dynamic Convey to state) aerial panel selects and reception (Rx) beam selection, and aerial panel selection and reception beam selection can be used by UE In the data receiver on physical down link sharing channel (PDSCH) and it is used for channel state information reference signals (channel State information reference signal, CSI-RS) it measures and channel state information (channel state Information, CSI) it calculates.

In one example, any of node 111 or 112 can be configured to be conveyed to UE 101/102 (for example, dynamic Convey to state) aerial panel selects and transmission (Tx) beam selection, and aerial panel selection and transmission beam selection can be used by UE Detection reference signal (sounding is sent and is used in the data on physical uplink shared channel (PUSCH) Reference signal, SRS) it sends.

In certain aspects, between the fixation sending time of the usable 1ms with 12-14 symbol of communication based on LTE Every (transmission time interval, TTI) length, or it can also be used smaller TTI (for example, based on NR's In communication).Request, permission or the transmission of data can be realized by using one or more subframes with TTI.Here, TTI Length can both influence the time transmitted in the sky or influence the processing time at transmitters and receivers.

Figure 1B is the simplification figure according to the next generation (NG) system architecture of some aspects.With reference to Figure 1B, NG system body Architecture 140B includes NG-RAN 110 and 5G network core (5GC) 120.NG-RAN 110 may include multiple nodes, such as gNB 128 and ng-eNB 130.GNB 128 and ng-eNB 130 can be via being for example coupled to N1 interface communication UE 102.

5GC 120 includes access and mobile management function to ps domain (AMF) 132 and/or user-plane function (UPF) 134.AMF 132 and UPF 134 can be coupled to gNB 128 and ng-eNB 130 via NG interface communication.More specifically, in some respects In, gNB 128 and ng-eNB 130 can be connected to AMF 132 by NG-C interface, and be connected to UPF by NG-U interface 134.GNB 128 and ng-eNB 130 can be coupled to each other via Xn interface.

In certain aspects, gNB 128 may include new radio (NR) user plane and control plane provided towards UE The node of protocol termination, and 5GC 120 is connected to via NG interface.In certain aspects, ng-eNB 130 may include providing (E-UTRA) user plane is wirelessly electrically accessed towards the Evolved Universal Terrestrial of UE and controls the node of plane protocol termination, and 5GC 120 is connected to via NG interface.

In certain aspects, each of gNB 128 and ng-eNB 130 can be achieved as base station, mobile edge service Device, cell, family eNB, etc..

Fig. 1 C illustrates the segmentation of the function between NG-RAN and 5G core (5GC) according to some aspects.With reference to Fig. 1 C, diagram It can by the gNB 128 and ng-eNB 130 in NG-RAN 110 and the AMF 132 in 5GC 120, UPF 134 and SMF The more detailed figure of 136 functions of executing.In certain aspects, 5GC 120 can be via NG-RAN 110 to one or more equipment Access to internet 138 is provided.

In certain aspects, gNB 128 and ng-eNB 130 can be configured to hold place (host) following functions: for wireless The function of radio resource management is (for example, minizone provided for radio resources management 129A, radio bearer control 129B, radio access Control 129D, connection mobility control 129C, in uplink and both downlink to UE dynamic allocation of resources (scheduling) 129F)；IP header suppression, encryption and the integrity protection of data；When not determining the routing to AMF from the information provided by UE When the selection to AMF in UE attachment；Towards (one or more) UPF routing user panel data；It is flat towards AMF route test Face information；Connection is set up and is discharged；The scheduling and transmission of (from AMF's) paging message；(it is derived from AMF or operation and dimension Shield) scheduling and transmission of system broadcast information；Measurement and measurement report configuration 129E for mobility and scheduling；In uplink Transmitting stage packet marking in link；Session management；Support to network slice；QoS flow management and to data radio carry Mapping；To the support of UE in RRC_INACTIVE state；For non access stratum (non-access stratus, NAS) The distributed function of message；Radio access network is shared；Dual connectivity；And the close intercommunication between NR and E-UTRA, etc. Deng.

In certain aspects, AMF 132 can be configured to hold place following functions, such as: NAS signaling termination；NAS signaling peace Full property 133A；Access level (access stratus, AS) safety control；For ambulant between 3GPP access network Core network (core network, CN) intermediate node signaling；Idle mode mobility processing 133B, including mobile device (such as UE) accessibility (for example, control and execution of calling retransmission)；Registration area managing；To in system and the branch of inter-system mobility It holds；Access authentication；Insertion authority, including the verification to roaming right；Mobile management control (is subscribed to and tactful)；Network is cut The support of piece；And/or SMF is selected and other function.

UPF 134 can be configured to hold place following functions, such as: mobility is anchored 135A (for example, being used in RAT/RAT Between ambulant anchor point)；Packet Data Unit (packet data unit, PDU) handles 135B (for example, arriving data network External PDU session interconnection point)；Grouping routing and forwarding；The packet inspection and user plane part that policing rule is implemented；Flow Use report；Uplink classifier, for supporting traffic flow being routed to data network；Branch point, for supporting more hosts PDU session；QoS for user plane is handled, such as packet filtering, gate, UL/DL rate are implemented；Uplink traffic is tested Card (SDF to QoS flow maps)；And/or downlink packets buffer and down link data notification triggers and other function.

Conversation management functional (Session Management function, SMF) 136 can be configured to hold the following function in place Can, such as: session management；The distribution of UE IP address and management 137A；The selection and control of UP function；PDU session control 137B, It is included at UPF and configures flow manipulation to route traffic to destination appropriate；The control section of strategy implement and QoS；With/ Or down link data notifies and other function.

Fig. 1 D and Fig. 1 E illustrate non-roaming 5G system architecture according to some aspects.With reference to Fig. 1 D, illustrate by ginseng The 5G system architecture 140D that examination point indicates.More specifically, UE102 can be with RAN 110 and one or more other 5GC Network entity communication.The 5GC of system architecture 140D includes multiple network functions (network function, NF), such as Access and mobile management function to ps domain (AMF) 132, conversation management functional (SMF) 136, policy control functions (policy control Function, PCF) 148, application function (application function, AF) 150, user-plane function (UPF) 134, net Network is sliced 142, authentication server functions selection function (network slice selection function, NSSF) (authentication server function, AUSF) 144 and uniform data management (unified data Management, UDM) 146.UPF 134 can provide the connection of data network (data network, DN) 152, data network 152 may include such as carrier service, linking Internet or third party's service.

With reference to Fig. 1 E, 5G system architecture 140E and the expression based on service are illustrated.System architecture 140E can (or identical) substantially similar with system architecture 140D.Other than the network entity shown in Fig. 1 D, system architecture 140E may also include network exposure function (network exposure function, NEF) 154 and network warehouse functions (network repository function, NRF) 156.

In certain aspects, 5G system architecture can be based on service, and the interaction between network function can (as shown in Figure 1 D) is indicated by corresponding point-to-point reference point Ni or is expressed as the interface based on service (such as institute in Fig. 1 E Show).

Reference point shows that interaction may be present between corresponding NF service.For example, Fig. 1 D is illustrated below with reference to point: N1 (between UE and AMF), N2 (between RAN and AMF), N3 (between RAN and UPF), N4 (between SMF and UPF), N5 (between PCF and AF), N6 (between UPF and DN), N7 (between SMF and PCF), N8 (between UDM and AMF), N9 ( Between two UPF), N10 (between UDM and SMF), N11 (between AMF and SMF), N12 (between AUSF and AMF), N13 (between AUSF and UDM), N14 (between two AMF), N15 (in the case where non-roaming scene between PCF and AMF, Or in the case where roaming scence between PCF and visited network and AFM), N16 is (between two SMF；In Fig. 1 D not Diagram) and N22 (between AMF and NSSF).Other unshowned reference points in Fig. 1 D can also be used to indicate.

In certain aspects, as shown in fig. 1E, the expression based on service can be used to indicate the network function in control plane Can, these network functions make other authorization network functions be able to access that its service.Here, 5G system architecture 140E can be wrapped Include the interface below based on service: Namf 158H (interface based on service showed by AMF 132), Nsmf 158I is (by SMF 136 interfaces based on service showed), Nnef 158B (interface based on service showed by NEF 154), Npcf 158D (interface based on service showed by PCF 148), Nudm 158E (interface based on service showed by UDM 146), Naf 158F (interface based on service showed by AF 150), Nnrf 158C (interface based on service showed by NRF 156), Nnssf 158A (interface based on service showed by NSSF 142), Nausf 158G (by AUSF 144 show based on clothes The interface of business).Can also be used be not shown in Fig. 1 E other based on service interface (for example, Nudr, N5g-eir and Nudsf)。

Fig. 1 F illustrates example CIoT network architecture according to some aspects.With reference to Fig. 1 F, CIoT architecture 140F It may include UE 102 and the RAN110 for being coupled to multiple cores network entity.In certain aspects, UE 102 can be machine type Type communicates (MTC) UE.CIoT network architecture 140F may also include mobile service switching centre (mobile services Switching center, MSC) 160, MME 121, Serving GPRS Support Node (serving GPRS support note, SGSN) 122 162, S-GW, IP short messaging gateway (IP-Short-Message-Gateway, IP-SM-GW) 164, short message clothes / Gateway Mobile services the center service centre (Short Message Service Service Center, SMS-SC) of business (gateway mobile service center, GMSC)/intercommunication MSC (Interworking MSC, IWMSC) 166, MTC is mutual Logical function (MTC interworking function, MTC-IWF) 170, service ability exposure function (Service Capability Exposure Function, SCEF) 172, Gateway GPRS Support Node (gateway GPRS support Node, GGSN)/patent GW 174, charge data function (charging data function, CDF)/charging gateway function (charging gateway function, CGF) 176, home subscriber servers (home subscriber server, HSS)/home location register (home location register, HLR) 177, Short Message Entity (short message Entity, SME) 168, MTC authorization, certification and charging (MTC authorization, authentication, and Accounting, MTC AAA) server 178, service capability server (service capability server, SCS) 180 and application server (application server, AS) 182 and 184.

In certain aspects, SCEF 172 can be configured to safely expose the service provided by various 3GPP network interfaces And ability.The service for finding exposure and the means of ability can also be provided in SCEF 172, and is compiled by various network applications Access of the journey interface (for example, the api interface for arriving SCS 180) to network capabilities.

Fig. 1 F also illustrates the various references between different server, function or the communication node of CIoT architecture 140F Point.Some example reference points relevant to MTC-IWF 170 and SCEF 172 include following item: Tsms is (by 3GPP network-external Entity be used to via SMS with for MTC UE communication reference point), Tsp (is used to put down with MTC-IWF relevant control by SCS The reference point of plane signaling communication), T4 (in the reference point being used in HPLMN between MTC-IWF 170 and SMS-SC 166), T6a (for the reference point between SCEF 172 and service MME 121), T6b is (between SCEF 172 and service SGSN 162 Reference point), T8 (for the reference point between SCEF 172 and SCS/AS 180/182), S6m are (by MTC-IWF 170 for asking Ask the reference point of HSS/HLR 177), S6n (being used to inquire the reference point of HSS/HLR 177 by MTC-AAA 178) and S6t (for the reference point between SCEF 172 and HSS 177).

In certain aspects, CIoT UE 102 can be configured to according to non access stratum (NAS) agreement, and utilize one A or multiple reference points, such as narrowband air-interface, the based on one or more communication technology, such as orthogonal frequency division multiplexing (OFDM) Technology, via one or more entity communications in RAN 110 and CIoT architecture 140F.For used herein, art Language " CIoT UE " refers to that a part as CIoT communication architecture is able to carry out the UE of CIoT optimization.

In certain aspects, NAS agreement can support one group of NAS message, be used for CIoT UE 102 and Evolved Packet System (Evolved Packet System, EPS) mobile management entity (Mobile Management Entity, MME) 121 with Communication between SGSN 162.

In certain aspects, CIoT network architecture 140F may include packet data network, carrier network or cloud Service network has such as service capability server (SCS) 180, application server (AS) 182 or one or more outside other Portion's server or networking component, etc..

RAN 110 can be coupled to using one or more reference points (for example including the air interface based on S6a reference point) HSS/AAA server 177/178, and be configured as certification/authorization CIoT UE 102 and access CIoT network.RAN 110 can benefit With one or more, other reference points are coupled to network 140F, other reference points of one or more for example including with for 3GPP The corresponding air interface of SGi/Gi interface of access.RAN 110 is using the air interface for example based on T6a/T6b reference point It is coupled to SCEF 172, for service ability exposure.In certain aspects, SCEF 172 may act as towards such as AS 182 etc The 3rd side's application server API GW.SCEF 172 can be coupled to HSS/AAA server using S6t reference point, and may be used also Application Programming Interface is exposed to network capabilities.

In some examples, one or more of CIoT equipment disclosed herein, such as CIoT UE 102, CIoT RAN 110 etc., it may include other one or more non-CIoT equipment either serve as CIoT equipment or with CIoT equipment The non-CIoT equipment of function.For example, CIoT UE 102 may include smart phone, tablet computer or it is one or more other Electronic equipment, they serve as CIoT equipment for specific function, while having other additional functions.

In certain aspects, RAN 110 may include CIoT enhancement mode node B (CIoT eNB) 111, be communicably coupled to CIoT accesses network gateway (CIoT GW) 190.In some examples, RAN 110 may include be connected to CIoT GW 190 more A base station (for example, CIoT eNB), CIoT GW 190 may include MSC 160, MME 121, SGSN 162 and/or S-GW 122. In some examples, the internal architecture of RAN 110 and CIoT GW 190 can be determined by realizing, without by standard Change.

For used herein, term circuit can refer to the following terms, be the following terms a part or including with Lower items: specific integrated circuit (Application Specific Integrated Circuit, ASIC) or other are dedicated Circuit, electronic circuit, the processor (shared, dedicated or group) for executing one or more softwares or firmware program are deposited Reservoir (shared, dedicated or group), combinational logic circuit provide other the appropriate hardware components for the function of describing. According to some aspects, circuit be may be implemented in one or more softwares or firmware module, or function associated with circuit can It is realized by one or more softwares or firmware module.In certain aspects, circuit may include that can at least partly operate within hardware Logic.In certain aspects, circuit disclosed herein and module may be implemented in the combination of hardware, software and/or firmware. In certain aspects, function associated with circuit can be distributed in more than one hardware or software/firmware module.In some sides In face, (disclosed herein) module may include at least partly operable logic within hardware.Aspects described herein can be realized Into the system for using any appropriately configured hardware or software.

Fig. 2 illustrates the exemplary components of equipment 200 according to some aspects.In certain aspects, equipment 200 may include at least Application circuit 202, baseband circuit 204, radio frequency (Radio Frequency, the RF) circuit being coupled as shown in Figure 206, front-end module (front-end module, FEM) circuit 208, one or more antennas 210 and power management circuitry (power management circuitry, PMC) 212.The component of the equipment 200 of diagram can be included in UE or RAN node In.In certain aspects, equipment 200 may include less element (for example, RAN node can not utilize application circuit 202, but It is handled including processor/controller from the received IP data of EPC).In certain aspects, equipment 200 may include additional member Part, such as storage/memory, display, camera, sensor and/or input/output (I/O) interface element.In its other party In face, component described below can be included in more than one equipment (for example, real for cloud RAN (Cloud-RAN, C-RAN) Existing mode, the circuit can be separately included in more than one equipment).

Application circuit 202 may include one or more application processor.For example, application circuit 202 not may include for example but not It is limited to the circuit of one or more single or multiple core processors etc.(one or more) processor may include general processor, Any combination of special purpose processors and application specific processor (for example, graphics processor, application processor etc.).Processor can Be coupled with storage/memory and/or may include storage/memory and can be configured to execute be stored in Instruction in storage/memory is so that various applications or operating system can be run on the device 200.In some respects In, the processor of application circuit 202 can be handled from the received IP data grouping of EPC.

Baseband circuit 204 may include the circuit of such as, but not limited to one or more single or multiple core processors etc.Base It may include one or more baseband processor or control logic to handle the reception signal path from RF circuit 206 with circuit 204 Received baseband signal and for RF circuit 206 transmission signal path generate baseband signal.Baseband processing circuitry 204 can with answer The operation of baseband signal and control RF circuit 206 is generated and handled with 202 interfaces of circuit.For example, in certain aspects, Baseband circuit 204 can the packet third generation (3G) baseband processor 204A, forth generation (4G) baseband processor 204B, the 5th generation (5G) base Provided with processor 204C or in other existing generations, exploitation generation or the following generation that will be developed (for example, second For other (one or more) baseband processor 204D of (2G), the 6th generation (6G) etc.).Baseband circuit 204 is (for example, base band One or more of processor 204A-D) can handle it is enabled via RF circuit 206 and one or more radio network communications Various radio control functions.In in other respects, some or all functions of baseband processor 204A-D can be included in It is executed in the module being stored in memory 204G and via central processing unit (CPU) 204E.Radio control function It can may include but be not limited to signal modulation/demodulation, coding/decoding, radio frequency shift etc..In certain aspects, baseband circuit 204 Modulation/demodulation circuit may include Fast Fourier Transform (Fast-Fourier Transform, FFT), precoding or star Seat mapping/demapping function.In certain aspects, the coding/decoding circuit of baseband circuit 204 may include convolution, tail biting convolution, Turbo, Viterbi or low-density checksum (Low Density Parity Check, LDPC) encoder/decoder function Energy.These examples are not limited in terms of modulating/demodulating and coder/decoder functionalities, and in other respects in may include it His function appropriate.

In certain aspects, baseband circuit 204 may include one or more audio digital signal processor (digital Signal processor, DSP) 204F.(one or more) audio DSP 204F may include for compression/de-compression and echo The element of elimination, and in other respects in may include other processing elements appropriate.The component of baseband circuit can be by suitably Combination is in one single chip, one single chip is concentrated or is disposed on same circuit board in certain aspects.In some respects In, some or all of the composition component of baseband circuit 204 and application circuit 202 can be realized together in such as system on chip On (system on a chip, SOC).

In certain aspects, baseband circuit 204 can support the communication compatible with one or more radio technologies.For example, In certain aspects, baseband circuit 204 can be supported and Evolved Universal Terrestrial radio access network (evolved Universal terrestrial radio access network, EUTRAN) or other wireless MANs (wireless Metropolitan area network, WMAN), WLAN (wireless local area network, WLAN) And/or the communication of wireless personal-area network (wireless personal area network, WPAN).In certain aspects, It is configured as supporting the baseband circuit 204 of the radio communication of more than one wireless protocols to be referred to alternatively as multi-mode baseband circuit.

RF circuit 206 can utilize the enabled communication with wireless network of modulated electromagnetic radiation by non-solid medium.? In various aspects, RF circuit 206 may include switch, filter, amplifier etc. to promote the communication with wireless network.RF circuit 206 may include receive signal path, the reception signal path may include circuit come to from the received RF signal of FEM circuit 208 into Row down coversion and baseband signal is supplied to baseband circuit 204.RF circuit 206 may also include transmission signal path, the transmission Signal path may include circuit to carry out up-conversion to the baseband signal provided by baseband circuit 204 and propose RF output signal FEM circuit 208 is supplied to send.

In certain aspects, the reception signal path of RF circuit 206 may include frequency mixer 206A, amplifier 206B and filtering Device 206C.In certain aspects, the transmission signal path of RF circuit 206 may include filter 206C and frequency mixer 206A.RF electricity Road 206 may also include synthesizer 206D, come for frequency synthesis for receiving signal path and sending the frequency mixer of signal path 206A is used.In certain aspects, the frequency mixer 206A for receiving signal path can be configured to be based on being provided by synthesizer 206D Frequency synthesis to from the received RF signal of FEM circuit 208 carry out down coversion.Amplifier 206B can be configured to downconverted Signal amplify and filter 206C can be configured as removing undesired signal from downconverted signal To generate the low-pass filter (low-pass filter, LPF) or bandpass filter (band-pass of output baseband signal Filter, BPF).Output baseband signal is provided to baseband circuit 204 to be further processed.In certain aspects, it exports Baseband signal can be optionally zero-frequency baseband signal.In certain aspects, the frequency mixer 206A for receiving signal path may include Passive frequency mixer.

In certain aspects, the frequency mixer 206A for sending signal path can be configured to based on being provided by synthesizer 206D Frequency synthesis carries out up-conversion to input baseband signal to generate RF output signal for FEM circuit 208.Baseband signal can be by base band Circuit 204 is provided and can be filtered by filter 206C.

In certain aspects, the frequency mixer 206A for receiving signal path and the frequency mixer 206A for sending signal path may include Two or more frequency mixers and it can be arranged to quadrature frequency conversion and up-conversion respectively.In certain aspects, letter is received The frequency mixer 206A in number path and frequency mixer 206A for sending signal path may include two or more frequency mixers and can quilt Arrangement inhibits (for example, hartley (Hartley) mirror image inhibits) for mirror image.In certain aspects, the mixed of signal path is received Frequency device 206A and frequency mixer 206A can be arranged to Direct-conversion and Direct conversion respectively.In certain aspects, it receives The frequency mixer 206A of signal path and the frequency mixer 206A for sending signal path can be configured for superheterodyne operation.

In in terms of some replacements, output baseband signal and input baseband signal can be optionally analog baseband signals. In terms of some replacements, output baseband signal and input baseband signal can be digital baseband signal.In terms of these replacements In, RF circuit 206 may include that AD converter (analog-to-digital converter, ADC) and number arrive mould Intend converter (digital-to-analog converter, DAC) circuit and baseband circuit 204 may include that digital baseband connects Mouth with RF circuit 206 to communicate.

In in terms of some double modes, individual radio IC circuit can be optionally provided for each frequency spectrum processing letter Number.

In certain aspects, synthesizer 206D can be optionally fractional N synthesizer or score N/N+1 synthesizer, though Right other kinds of frequency synthesizer is also possible to appropriate.For example, synthesizer 206D can be increment summation synthesizer, frequency multiplication Device includes the synthesizer for having the phaselocked loop of frequency divider.

Synthesizer 206D can be configured to input based on frequency and frequency divider control input synthesis output frequency is come for RF electricity The mixer 206A on road 206 is used.In certain aspects, synthesizer 206D can be score N/N+1 synthesizer.

In certain aspects, frequency input can by voltage controlled oscillator (voltage controlled oscillator, VCO it) provides, although this is not exclusive requirement.Depending on desired output frequency, frequency divider control input can be for example by base band electricity Road 204 or application processor 202 provide.It in certain aspects, can be based on the channel pointed out by application processor 202 from look-up table Determine frequency divider control input (for example, N).

The condensating synthesizering circuit 206D of RF circuit 206 may include frequency divider, delay phase-locked loop (delay-locked loop, DLL), multiplexer and phase accumulator.In certain aspects, frequency divider can be dual-mode frequency divider (dual modulus Divider, DMD) and phase accumulator can be digital phase accumulator (digital phase accumulator, DPA).In certain aspects, DMD can be configured to carry out input signal N or N+1 frequency dividing (for example, based on carry) to provide Division ratio.In some exemplary aspects, DLL may include one group of cascade tunable delay component, phase detectors, charge Pump and D flip-flop.In these aspects, delay element can be configured to be Nd equal phases point by VCO Periodic decomposition Group, wherein Nd is the number of the delay element in delay line.In this way, DLL provides negative-feedback to help that the total of delay line will be passed through Delay remains a VCO period.

In certain aspects, condensating synthesizering circuit 206D can be configured to generate carrier frequency as output frequency, and at it In his aspect, output frequency can be the multiple (for example, four times of twice of carrier frequency or carrier frequency) of carrier frequency And it can be used together with quadrature generator with divider circuit to generate at the carrier frequencies and there are multiple and different phases each other Multiple signals.In certain aspects, output frequency can be LO frequency (fLO).In certain aspects, RF circuit 206 can wrap Include IQ/ polarity switch.

FEM circuit 208 may include receiving signal path, which may include being configured as from one or more It operates, and/or the signal received is amplified and putting the signal received on the received RF signal of a antenna 210 Big version is supplied to RF circuit 206 so as to the circuit being further processed.FEM circuit 208 may also include transmission signal path, the hair Sending signal path may include being configured as amplifying so as to by one or more the signal for transmission provided by RF circuit 206 One or more circuits sent in a antenna 210.In various aspects, by sending signal path or receiving signal path Amplification can partially or completely in RF circuit 206 complete, partially or completely in FEM 208 complete or in RF circuit 206 It is completed in 208 the two of FEM.

In certain aspects, FEM circuit 208 may include TX/RX switch to operate it in sending mode and reception pattern Between switch.FEM circuit may include receiving signal path and transmission signal path.The reception signal path of FEM circuit may include LNA Enlarged reception RF signal is amplified and provided to the RF signal received as output (for example, being supplied to RF electricity Road 206).The transmission signal path of FEM circuit 208 may include power amplifier (power amplifier, PA) come to (such as Being there is provided by RF circuit 206) input rf signal amplifies, and generates after RF signal supplies including one or more filters Supervention send (for example, being sent by the one or more in one or more antennas 210).

In certain aspects, PMC 212 can manage the electric power for being supplied to baseband circuit 204.The choosing of 212 controllable power of PMC It selects, the charging of voltage scaling, battery and/or DC to DC are converted.When equipment 200 can be powered by battery, such as when equipment is wrapped It in certain aspects may include PMC 212 when including in UE.PMC 212 can increase power conversion efficiency, while provide beneficial Realize size and heat dissipation characteristics.

Fig. 2 shows the PMC 212 coupled with baseband circuit 204.In in other respects, PMC 212 can extraly or It is alternatively coupled with other assemblies and executes similar power management operations for other assemblies, other assemblies are such as, but not limited to It is application circuit 202, RF circuit 206 or FEM 208.

In certain aspects, the various power-save mechanisms of 212 controllable device 200 of PMC or otherwise be used as these A part of power-save mechanism.For example, if equipment 200 is in because expection will receive flow quickly and RAN node is still attached to RRC_Connected state in, then its can after a period of time non-activity enter be referred to as discontinuous reception modes The state of (Discontinuous Reception Mode, DRX).During this state, equipment 200 can be in of short duration time interval Middle power-off and thereby saving electric power.

According to some aspects, if not having data traffic activity in long period of time, equipment 200 can change pass RRC_Idle state is closed, it disconnects with network and do not execute channel-quality feedback, switching etc. in this state Or the like operation.Equipment 200 enters extremely low power rating and it executes paging, it periodically wakes up to detect during this period Then auditory network powers off again.Equipment 200 can change back to RRC_Connected state to receive data.

Additional energy-saving mode allows equipment right in the period for being longer than paging interval (differing from several seconds to a few houres) It is unavailable for network.During between at this moment, equipment 200 can be for network inaccessible and can in certain aspects Power-off.Any data sent during between at this moment assume that the delay is acceptable by possible biggish delay.

The processor of application circuit 202 and the processor of baseband circuit 204 can be used for executing the one or more of protocol stack The element of example.For example, the processor of baseband circuit 204 can be used for 1 function of execution level 3, layer 2 or layer singly or in combination, And application circuit 204 processor using from these layer of received data (for example, packet data) and further execution level 4 Function is (for example, transport communication protocol (transmission communication protocol, TCP) and User Datagram Protocol Discuss (user datagram protocol, UDP) layer).For being mentioned above, layer 3 may include radio resource control (radio resource control, RRC) layer, this is described in more detail below.For being mentioned above, layer 2 may include M AC (medium access control, MAC) layer, radio link control (radio link control, RLC) layer and Packet Data Convergence Protocol (packet data convergence protocol, PDCP) layer, this is below more Detailed description.For being mentioned above, layer 1 may include physics (PHY) layer of UE/RAN node, this is retouched in more detail below It states.

Fig. 3 illustrates the example interface of baseband circuit according to some aspects.As described above, the baseband circuit 204 of Fig. 2 can wrap The memory 204G for including processor 204A-204E and being utilized by the processor.Each of processor 204A-204E can divide Not Bao Kuo memory interface 304A-304E, come sent to/from memory 204G/receive data.

Baseband circuit 204 may also include one or more interfaces to be communicably coupled to other circuit/equipment, such as store Device interface 312 (for example, the interface for sending/receiving data to/from the memory outside baseband circuit 204), application circuit interface 314 (for example, to/from 202 transmissions of application circuit/reception data interfaces of Fig. 2), RF circuit interface 316 are (for example, to/from figure 2 206 transmissions of RF circuit/reception data interface), radio hardware connectivity interface 318 is (for example, to/from near-field communication (Near Field Communication, NFC) component,Component is (for example, low energy consumption)、Component and other communication components send/receive the interface of data) and electrical management interface 320 (for example, to/from 212 transmissions of PMC/reception electric power or the interface for controlling signal).

Fig. 4 is the diagram according to the control plane protocol stack of some aspects.In an aspect, control plane 400 is shown For the communication protocol stack between UE 101 (either UE 102), RAN node 111 (or RAN node 112) and MME 121.

PHY layer 401 can be sent or received by one or more air interfaces used by MAC layer 402 in certain aspects Information.PHY layer 401 can also carry out link circuit self-adapting or adaptive modulation and coding (adaptive modulation and Coding, AMC), power control, cell searching (for example, for initial synchronisation and switching purpose) and by higher (such as RRC 405) other measurements that layer uses.PHY layer 401 can also carry out error detection on transmission channel, transmission letter in certain aspects Forward error correction (forward error correction, the FEC) coding/decoding in road, the modulating/demodulating of physical channel, intertexture, Rate-matched, on physical channel mapping and multiple-input and multiple-output (Multiple Input Multiple Output, MIMO) antenna processing.

The mapping between logic channel and transmission channel can be performed in MAC layer 402 in certain aspects, by MAC service data Unit (service data unit, SDU) from one or more logic channels be multiplexed into transmission block (transport block, TB to be delivered to PHY via transmission channel on), MAC SDU is solved from the transmission block (TB) come via transmission channel from PHY delivering One or more logic channels are multiplexed into, MAC SDU are multiplexed on TB, scheduling information report, are asked by mixing automatic repetition The error correction and priority of logical channels for asking (hybrid automatic repeat request, HARQ) are distinguished.

Rlc layer 403 can operate in multiple modes of operation in certain aspects, comprising: transparent mode (Transparent Mode, TM), unacknowledged mode (Unacknowledged Mode, UM) and affirmation mode (Acknowledged Mode, AM). The transmission of upper layer protocol data unit (protocol data unit, PDU) can be performed in rlc layer 403, for AM data transmission By the error correction of automatic repeat request (automatic repeat request, ARQ), and for UM and AM data transmission Concatenation, segmentation and the re-assemble of RLC SDU.Rlc layer 403 can also execute RLC data PDU in certain aspects for AM data transmission Segmentation again, reorder RLC data PDU for UM and AM data transmission, detect replicate data for UM and AM data transmission, be UM and AM data transmission abandons RLC SDU, is AM data transmission detection protocol mistake, and executes RLC and re-establish.

The header suppression and decompression of IP data can be performed in PDCP layer 404 in certain aspects, safeguards PDCP sequence number (Sequence Number, SN) executes the order delivery of upper layer PDU when low layer re-establishes, for being mapped on RLC AM Radio bearer eliminates the duplication of low layer SDU when low layer re-establishes, and is encrypted and decrypted to control plane data, executes control The integrity protection and integrity verifying of panel data processed, control the discarding based on timer of data, and execute safety Operation (for example, encryption, decryption, integrity protection, integrity verifying, etc.).

In certain aspects, the main services of rrc layer 405 and function may include system information (e.g., including connect with non- Enter the related Master Information Block (Master Information Block, MIB) of level (non-access stratum, NAS) or In system information block (System Information Block, SIB)) broadcast, with access level (access stratum, AS) the broadcast of related system information, the paging of the RRC connection between UE and E-UTRAN, foundation, maintenance and release (for example, RRC connection paging, RRC connection are established, RRC connection is modified and RRC Connection Release), the foundation of point-to-point wireless electricity carrying is matched It sets, safeguard and discharges, the security functions including key management, radio access technologies (radio access Technology, RAT) between mobility, and the measuring configuration for UE measurement report.The MIB and SIB may include one or Multiple information elements (information element, IE), each information element may include individual data items field or data knot Structure.

UE 101 and RAN node 111 can be using Uu interfaces (for example, LTE-Uu interface) come via including PHY layer 401, MAC The protocol stack exchange control plane data of layer 402, rlc layer 403, PDCP layer 404 and rrc layer 405.

Non access stratum (NAS) agreement 406 forms the highest level of the control plane between UE 101 and MME 121, such as Shown in Fig. 4.In certain aspects, the mobility and session management procedure that NAS agreement 406 supports UE 101 are to establish and safeguard IP connectivity between UE 101 and P-GW 123.

S1 Application Protocol (S1-AP) layer 415 can support the function of S1 interface and including basic process (Elementary Procedure, EP).EP is the unit of the interaction between RAN node 111 and CN 120.In certain aspects, S1-AP layers of service It may include Liang Ge group: the associated service of UE and the associated service of non-UE.These service execution functions, including but not limited to: E- UTRAN radio access bearer (E-UTRAN Radio Access Bearer, E-RAB) management, the instruction of UE ability, mobility, NAS signaling transmission, RAN information management (RAN Information Management, RIM), and configuration transfer.

(it can for layer for Flow Control Transmission Protocol (Stream Control Transmission Protocol, SCTP) Referred to as SCTP/IP layers) 414 can be based partially on by IP layer 413 support IP agreement ensure between RAN node 111 and MME 121 The reliable delivery of signaling message.L2 layer 412 and L1 layer 411 can refer to the communication link for being used to exchange information by RAN node and MME (for example, wired or wireless).

RAN node 111 and MME 121 can using S1-MME interface come via include L1 layer 411, L2 layer 412, IP layer 413, The protocol stack of SCTP layer 414 and S1-AP layer 415 exchanges control plane data.

Fig. 5 is the diagram according to the user-plane protocol stack of some aspects.In this aspect of the invention, user plane 500 is shown For the communication between UE 101 (either UE 102), RAN node 111 (or RAN node 112), S-GW 122 and P-GW 123 Protocol stack.User plane 500 can utilize at least some protocol layers identical with control plane 400.For example, UE 101 and RAN section Point 111 can be using Uu interface (for example, LTE-Uu interface) come via including PHY layer 401, MAC layer 402, rlc layer 403 and PDCP The protocol stack of layer 404 exchanges user plane data.

General Packet Radio Service (GPRS) Tunneling Protocol (GTP-U) layer 504 for user plane can be used for Carry user data in GPRS core network and between radio access network and core network.The user data of transmission can be with It is the grouping for taking such as IPv4, IPv6 or PPP format.UDP and IP safety (UDP/IP) layer 503 can provide complete for data The verification of good property and, the encryption for being located in the port numbers of addressing different function, and selected data flow in source and destination And certification.RAN node 111 and S-GW 122 can be using S1-U interface come via including L1 layer 411, L2 layer 412, UDP/IP layers The protocol stack of 503 and GTP-U layer 504 exchanges user plane data.S-GW 122 and P-GW 123 can using S5/S8a interface come User plane data is exchanged via the protocol stack for including L1 layer 411, L2 layer 412, UDP/IP layer 503 and GTP-U layer 504.As above Text is described in Fig. 4, and the mobility and session management procedure that NAS agreement supports UE 101 are to establish and safeguard UE 101 and P-GW IP connectivity between 123.

Fig. 6 is that illustrate can be from machine readable or computer-readable medium (for example, non-transient according to some exemplary aspects Machine readable storage medium) it reads and instructs and the frame of the component that any one or more of executes methodologies discussed herein Figure.Specifically, Fig. 6 shows the graphic representation of hardware resource 600, hardware resource 600 include one or more processors (or Processor core) 610, one or more memory/storage 620 and one or more communication resources 630, each of them can It is communicatively coupled via bus 640.For the aspect using node virtual (for example, NFV), management program (hypervisor) 602 can be executed to provide performing environment using hardware resource 600 for one or more networks slice and/or son slice.

Processor 610 is (for example, central processing unit (central processing unit, CPU), reduced instruction set computer meter Calculate (reduced instruction set computing, RISC) processor, complex instruction set calculation (complex Instruction set computing, CISC) processor, graphics processing unit (graphics processing unit, GPU), digital signal processor (digital signal processor, DSP) (such as baseband processor), dedicated integrated electricity Road (application specific integrated circuit, ASIC), RF IC (radio-frequency Integrated circuit, RFIC), another processor or these is any appropriately combined) for example may include processor 612 With processor 614.

Memory/storage 620 may include main memory, disc memory device or these is any appropriately combined.It deposits Reservoir/storage equipment 620 may include but be not limited to any kind of volatibility or nonvolatile memory, such as dynamic random is visited Ask memory (dynamic random access memory, DRAM), static random-access memory (static random- Access memory, SRAM), Erasable Programmable Read Only Memory EPROM (erasable programmable read-only Memory, EPROM), electrically erasable programmable read-only memory (electrically erasable programmable Read-only memory, EEPROM), flash memory, solid-state storage device, etc..

The communication resource 630 may include that interconnection or network interface components or other equipment appropriate are come via network 608 and one A or multiple peripheral equipments 604 or one or more databases 606 communicate.For example, the communication resource 630 may include wire communication group Part (for example, for being coupled via universal serial bus (Universal Serial Bus, USB)), cellular communication component, NFC Component,Component is (for example, low energy consumption),Component and other communication components.

Instruction 650 may include for make processor 610 at least any one execute it is discussed herein any one or Software, program, application, applet, app or other executable codes of multiple methods.Instruction 650 can be complete or partial Reside at least one of processor 610 (for example, in buffer memory of processor), in memory/storage 620 or These any appropriately combined of person.In addition, any part of instruction 650 can be by from any of peripheral equipment 604 or database 606 Combination is transmitted to hardware resource 600.Therefore, the memory of processor 610, memory/storage 620,604 and of peripheral equipment Database 606 is computer-readable and machine readable media example.

In certain aspects, with reference to CIoT the network architecture 140F, coverage enhancement (coverage of Fig. 1 F Enhancement, CE) function can be used for ensuring specific subscriber (for example, have subscribed using CE service those of subscriber) can Benefit from CE correlated characteristic.In certain aspects, in order to solve the use to the vast resources for carrying out automatic network, specific subscriber's quilt It prevents using enhancing covering function.In certain aspects, new subscription parameters are (for example, enhancing covering allows (Enhanced Coverage Allowed) parameter) it can be introduced into and be saved in HSS 177.In certain aspects, enhancing covering allows to join Number can be configured to whether given UE is allowed to enhance covering function for each public land mobile network (PLMN) is specified. In certain aspects, third party's service supplier can be inquired via SCEF 172 enhancing covering state or request MNO it is enabled/ Disabling enhancing covering.This solution may include updating NAS process (for example, ATTACH ACCEPT, tracking area update (tracking area update, TAU)/routing region updating (routing area update, RAU) ACCEPT message) with Receiving enhancing covering allows parameter, stores this parameter for each PLMN in UE, the value for being then based on this parameter is come using increasing Strong covering power.In certain aspects, HSS 177 can be configured to update subscription information to determine whether UE is allowed to use CE Then function provides this information to MME 121, herein the information can be stored as mobile management (MM) context and A part of EPS bearer context.In certain aspects, SCEF172 can be configured to inquiry HSS 177 to determine enhancing covering State enable or disable it and if necessary.For example, can be limited UE in the case where UE does not subscribe to CE function System enhancing covering.

In certain aspects, UE can be requested in attachment request (ATTACH REQUEST) and tracking area update Its support to limitation enhancing Cover Characteristics, and if UE are pointed out in (TRACKING AREA UPDATE REQUST) message Support this feature, then MME can be configured to receive (ATTACH ACCEPT) in attachment and tracking area update receives Limitation enhancing covering is indicated whether in (TRACKING AREA UPDATE ACCEPT) message.Increase being limited for specific PLMN In the case where strong covering, then UE will not access enhancing covering power in the PLMN.

Fig. 7 illustrates the example communication sequence in CIoT environment according to some aspects.With reference to Fig. 7, communication sequence 700 can be sent out Life is between UE 702, MME/SGSN 704 and HSS 706.

In an aspect, CIoT architecture 140F can be associated with Evolved Packet System (EPS).In this situation Under, in 708, UE attachment request can be sent to MME 704.In an aspect, attachment request may include UE capability information Element (IE) 800, as shown in Figure 8.UE network capabilities IE 800 may include RestrictEC bit 802, the RestrictEC Bit 802 can be used for pointing out whether UE supports the limitation to enhancing covering.For example, when RestrictEC bit 802 is set, UE network capabilities IE 800 points out that UE supports the limitation used to enhancing covering.On the contrary, when RestrictEC bit 802 not by When setting, UE network capabilities IE 800 points out that UE does not support the limitation used to enhancing covering.In certain aspects, RestrictEC bit 802 can be in No. 3 bit of the byte 9 of UE network capabilities IE 800.

With reference to Fig. 7,710, more new position request can be passed to HSS 706 from MME 704.HSS 706 can be in 712 needles Obtaining enhancing covering to particular UE 702 allows the value of parameter.Update location confirmation can be conveyed in 714, HSS 706, the update position Setting confirmation may include that enhancing covering allows parameter (or another type of instruction, such as cover about whether UE 702 subscribes to enhancing Lid function or to enhancing covering function limitation subscription information).It can be based in 716, MME 704 received from HSS 706 Enhancing covering, which is arranged, in parameter value in the MM context for UE 702 allows the value of parameter.

In the transmittable attachment received message of 718, MME 704, which may include information whether to limit UE enhancing covering Instruction.More specifically, MME 704 can be transmitted EPS network characterization and support IE, the IE may include pointing out it is limit for UE 702 System does not still limit the bit used to enhancing covering.Fig. 9 illustrates example EPS network characterization according to some aspects and supports letter Cease element.With reference to Fig. 9, EPS network characterization supports that IE 900 may include RestrictEC bit 902, the RestrictEC bit 902 can be used for pointing out whether limiting UE enhancing covering.For example, when RestrictEC bit 902 is set, for the UE Limitation enhancing covering.On the contrary, the UE, which is not limited, makes enhancing covering when RestrictEC bit 902 is not set With.In certain aspects, RestrictEC bit 802 can be located at No. 5 ratio that EPS network characterization supports the byte 4 of IE 900 In spy.

In certain aspects, it is special can to point out that it enhances covering to limitation in tracking area update (TAU) request message by UE The support of sign, the TAU message can be conveyed 708.In the case, MME 704 can be in tracking area update (TAU) received message In indicate whether for UE 702 limit enhancing covering, wherein the TAU received message 718 convey.More specifically, UE network Ability IE 800 (having the RestrictEC bit indication that the limitation used to enhancing covering whether is supported for UE) is 708 Locate to be communicated in the TAU request message sent, and whether EPS network characterization supports IE 900 (to have for UE limitation pair Enhance the RestrictEC bit indication of covering used) it is communicated in the TAU received message that sends at 718.

In certain aspects, CIoT architecture 140F can be associated with General Packet Radio Service (GPRS).Herein In the case of, UE 702 (it is referred to alternatively as movement station or MS) can be communicated with SGSN 704 (replacing MME), and different information is wanted Element can be used for conveying about whether MS supports the limitation used to enhancing covering and the instruction for whether limiting MS enhancing covering.

For example, with reference to Fig. 7 attachment request can be sent to SGSN 704 in 708, MS 702.In an aspect, attachment is asked Asking may include MS network capabilities IE 1000, as shown in Figure 10.MS network capabilities IE 1000 may include bit 1002, the bit 1002 can be used for pointing out whether MS supports the limitation used to enhancing covering.For example, when bit 1002 is set, MS network Ability IE 1000 points out that MS supports the limitation used to enhancing covering.On the contrary, when bit 1002 is not set, MS network Ability IE 1000 points out that MS does not support the limitation used to enhancing covering.

710, more new position request can be passed to HSS 706 from SGSN 704.HSS 706 can be specific MS 712 702, which obtain enhancing covering, allows the value of parameter.Update location confirmation can be conveyed in 714, HSS 706, which can Covered including enhancing allow parameter (or another type of instruction, for example, about MS 702 whether subscribe to enhancing covering function or Subscription information of the person to the limitation of enhancing covering function).It can be based on existing from the received parameter value of HSS 706 in 716, SGSN 704 Allow the value of parameter for setting enhancing covering in the MM context of MS 702.

In the transmittable attachment received message of 718, SGSN 704, which may include information whether to limit MS enhancing covering Instruction.More specifically, SGSN 704 can be transmitted complementary network feature support IE, the IE may include point out be for MS 702 Limitation does not still limit the bit used to enhancing covering.Figure 11 illustrates example complementary network feature branch according to some aspects Hold information element.With reference to Figure 11, complementary network feature supports that IE 900 may include RestrictEC bit 1102, should RestrictEC bit 1102 can be used for pointing out whether limiting MS 702 enhancing covering.For example, working as RestrictEC bit 1102 when being set, and limits enhancing covering for the MS.On the contrary, when RestrictEC bit 1102 is not set, for this MS does not limit the use to enhancing covering.In certain aspects, RestrictEC bit 1102 can be located at complementary network feature branch It holds in No. 2 bit of the byte 3 of IE 1100.

In certain aspects, it is special can to point out that it enhances covering to limitation in routing region updating (RAU) request message by MS The support of sign, the RAU request message can be conveyed 708.In the case, SGSN 704 can connect at routing region updating (RAU) By indicating whether that being limited enhancing for MS702 covers in message, wherein the RAU received message is conveyed 718.More specifically, MS network capabilities IE 1000 (having the bit 1002 for pointing out whether MS supports the limitation used to enhancing covering) is at 708 It is communicated in the TAU request message of transmission, and complementary network feature supports IE 1100 (to have about whether to MS limitation pair Enhance the RestrictEC bit indication of covering used) it is communicated in the TAU received message that sends at 718.

In certain aspects, MME 704 can convey attachment receiving or TAU receiving to disappear in the form of NAS message 718 Breath, the NAS message are communicated to eNB 703 in 717A, are then forwarded to UE 702 by eNB 703 in communication 717B.One In a little aspects, MME 704 can send one or more additional messages to eNB 703 in communication 717A, these message may include Enhance coverage limitation parameter (such as, it is indicated that whether UE is limited use to coverage enhancement).In certain aspects, 717A from The message that MME 704 is passed to eNB 703 may include that initial context sets up request message, switching request message and downlink NAS transmits one or more of message.

Figure 12 summarizes the exemplary method for illustrating the UE that operation is supported to the limitation for using enhancing to cover according to some aspects Flow chart.With reference to Figure 12, exemplary method 1200 can be evolved in public land mobile network (PLMN) by being configured for The CIoT UE (for example, 102) of grouping system (EPS) communication is executed.It can be configured to pair in the processing circuit for operating 1202, UE Attachment request message coding for be sent in EPS mobility management entity (MME) (for example, in Fig. 7 708 at pass Up to).Attachment request message may include the UE capability information element pointing out UE and whether supporting to the limitation for using enhancing to cover (IE) (such as 800).It can be configured to the attachment received message that MME is attached to confirmation in the processing circuit for operating 1204, UE Decoding (for example, being conveyed at operation 718 in Fig. 7).Attachment received message may include indicating whether to limit UE to cover enhancing The EPS network characterization of lid used supports IE (for example, 900).It can be configured in the processing circuit for operating 1206, UE when UE branch It holds to the limitation for using enhancing to cover and when EPS network characterization support IE points out to limit UE enhancing covering, inhibits at this Enhancing covering is used in PLMN.

Figure 13 illustrates such as evolved node B (eNB), next generation node B (gNB), access point according to some aspects (AP), the block diagram of the communication equipment of radio station (STA) or user equipment (UE) etc.In in terms of the replacement, communication equipment 1300 Independent equipment be can be used as to operate or can be connected (e.g., networked) to other communication equipments.

Circuit (for example, processing circuit) is in the equipment 1300 including hardware (for example, ball bearing made, door, logic etc.) Tangible entity in the set of circuit realized.Circuit membership qualification can be flexibly as time goes by.Circuit includes The member of specified operation can be executed alone or in combination when operated.In one example, the hardware of circuit can be designed immutably To execute specific operation (for example, hard-wired).In one example, the hardware of circuit may include the physical assemblies of variable connection (for example, execution unit, transistor, ball bearing made etc.), including by physically modifying (for example, magnetic modification, electricity modification, no Become aggregate particles removable placement etc.) come encode specific operation instruction machine readable media.

When connecting physical assemblies, the bottom electrical properties of hardware components are changed, such as are changed to conductor from insulator, or Person is on the contrary.Instruction is so that embedded hardware (for example, execution unit or load mechanism) can be created via variable connection with hardware The member of circuit executes some parts of specific operation in operation.Therefore, in one example, machine readable media element is A part of circuit or the other assemblies that circuit is communicably coupled in equipment operation.In one example, any physical set Part can be used in the more than one member of more than one circuit.For example, in operation, execution unit can be in a time point quilt In the first circuit of the first circuit system, and another different time by the first circuit system second circuit or Person is reused by the tertiary circuit in second circuit system.The additional example of these components about equipment 1300 is as follows.

In certain aspects, equipment 1300 can be used as independent equipment to operate or can be connected (e.g., networked) to it His equipment.In networked deployment, communication equipment 1300 can be used as server communication in server-client network environment and set Standby, client communication device or the two operate.In one example, communication equipment 1300 equity (peer-to-peer, P2P peer communications devices) be may act as in (or other are distributed) network environment.Communication equipment 1300 can be UE, eNB, PC, put down Plate PC, STB, PDA, mobile phone, smart phone, web electric appliance, network router, interchanger or bridge are able to carry out finger It surely will be by any communication equipment of the instruction (sequence or other forms) for the movement that the communication equipment is taken.Though in addition, Single communication equipment is so illustrated only, but term " communication equipment " also should be read to include the collection executed instruction alone or in combination Close (or multiple set) with execute methodologies discussed herein any one or more of person communication equipment any set, example As cloud computing, software service (software as a service, SaaS), other computer set group configurations.

Example as described herein may include logic or several components, module or mechanism or can be in logic or several group It is operated in part, module or mechanism.Module is to be able to carry out specified operation and what can be configured or be arranged by certain way have Shape entity (for example, hardware).In one example, circuit can be arranged to module (for example, internal or right by specified mode In external entity, such as other circuits).In one example, one or more computer systems are (for example, single machine, client or clothes Be engaged in device computer system) or one or more hardware processor all or part can by firmware or software (for example, instruction, Application obscure portions or application) it is configured to the module for being operable to execute specified operation.In one example, software can reside in On communication equipment readable medium.In one example, software executes the hardware specified Operation.

Therefore, term " module " is understood to cover tangible entity, and no matter the entity is by physically construction, concrete configuration (for example, hardwired) or interim (for example, temporarily) configuration (for example, programming) are to be operated or executed this paper by specified mode Part or all of any operation of description.The example for considering provisional configuration module, does not need example at any one moment Change each module.For example, in the case where common hardware processor of the module including the use of software configuration, common hardware processing Device can be configured to each different module in different time.Software can correspondingly configure hardware processor to for example at one Moment constitutes a particular module and constitutes a different module at the time of another different.

Communication equipment (for example, UE) 1300 may include hardware processor 1302 (for example, central processing unit (central Processing unit, CPU), graphics processing unit (graphics processing unit, GPU), hardware processor core Or these any combination), main memory 1304, static memory 1306 and mass storage device 1316 be (for example, hard disk Driver, tape drive, flash memory or other blocks or storage equipment), some of which or all can be via interconnecting link (example Such as, bus) 1308 with communicate with one another.

Communication equipment 1300 may also include display unit 1310, Alphanumeric Entry Device 1312 (for example, keyboard) and User interface (user interface, UI) navigation equipment 1314 (for example, mouse).In one example, display unit 1310, defeated Enter equipment 1312 and UI navigation equipment 1314 can be touch-screen display.Communication equipment 1300 may also include signal generating device 1318 (for example, loudspeakers), network interface device 1320 and one or more sensors 1321, such as global positioning system (global positioning system, GPS) sensor, compass, accelerometer or other sensors.Communication equipment 1300 It may include o controller 1328, such as serial (such as universal serial bus (universal serial bus, USB)), simultaneously Row or other are wired or wireless (for example, infrared (infrared, IR), near-field communication (near field communication, NFC) etc.) connection come with one or more peripheral equipments (for example, printer, card reader etc.) communicate or control this or Multiple peripheral equipments.

Store equipment 1316 may include communication equipment readable medium 1322, store thereon realize technique described herein or Any one or more of function or utilized by any one or more of technique described herein or function one Group or multi-group data structure or 1324 (for example, softwares) of instruction.In certain aspects, the register of processor 1302, primary storage Device 1304, static memory 1306 and/or mass storage device 1316 can be or including (completely or at least partially wrapping Include) device-readable medium 1322, store thereon realize any one or more of technique described herein or function or The one or more groups of data structures or instruction 1324 utilized by any one or more of technique described herein or function. In one example, hardware processor 1302, main memory 1304, static memory 1306 or mass-memory unit 1316 it One or any combination thereof may make up device-readable medium 1322.

For used herein, term " device-readable medium " and " computer-readable medium " or " machine readable media " It is interchangeable.Although communication equipment readable medium 1322 is illustrated as single medium, term " communication equipment readable medium " It may include the single medium for being configured as storing one or more instructions 1324 or multiple media (for example, centralization or distributed Database and/or associated caching and server).

Term " communication equipment readable medium " may include it is any can store, encode or carry for communication equipment 1300 execute And communication equipment 1300 is made to execute the instruction of any one or more of technology of the disclosure or can store, encode Or carrying is by this instruction use or the medium of data structure associated with this instruction.Non-limiting communication equipment is readable Medium examples may include solid-state memory and optical medium and magnetic medium.The specific example of communication equipment readable medium can include: Nonvolatile memory, such as semiconductor memory devices (such as electric programmable read-only memory (Electrically Programmable Read-Only Memory, EPROM), electrically erasable programmable read-only memory (Electrically Erasable Programmable Read-Only Memory, EEPROM)) and flash memory device；Disk, such as internal hard drive And removable disk；Magneto-optic disk；Random access storage device (Random Access Memory, RAM)；And CD-ROM and DVD- ROM disk.In some instances, communication equipment readable medium may include non-transient communication equipment readable medium.In some instances, Communication equipment readable medium may include the communication equipment readable medium for not being transient state transmitting signal.

Also using any one of several transportation protocols (for example, frame relay, Internet protocol (internet Protocol, IP), transmission control protocol (transmission control protocol, TCP), User Datagram Protocol (user datagram protocol, UDP), hypertext transfer protocol (hypertext transfer protocol, HTTP instruction), etc.) is sent or received by communication network 1326 using transmission medium via network interface device 1320 1324.Example communication network may include local area network (local area network, LAN), wide area network (wide area Network, WAN), packet data network (for example, internet), mobile telephone network (for example, cellular network), Plan Old electricity (Plain Old Telephone, POTS) network and radio data network are talked about (for example, being referred to asIt is electrical with Electronics engineers (Institute of Electrical and Electronics Engineers, IEEE) 802.11 Family of standards is referred to asIEEE802.16 family of standards), IEEE 802.15.4 family of standards, long term evolution (Long Term Evolution, LTE) family of standards, Universal Mobile Telecommunications System (Universal Mobile Telecommunications System, UMTS) family of standards, equity (peer-to-peer, P2P) network, etc..Show one In example, network interface device 1320 may include one or more physical sockets (for example, Ethernet, coaxial or telephone socket) or One or more antennas are connected to communication network 1326.In one example, network interface device 1320 may include mutiple antennas To utilize single input and multi-output (single-input multiple-output, SIMO), MIMO or multiple input single output At least one of (multiple-input single-output, MISO) technology wirelessly communicates.In some instances, Network interface device 1320 can wirelessly be communicated using multiuser MIMO technology.

Term " transmission medium ", which should be read to include, can store, encodes or carry instruction to hold for communication equipment 1300 Capable any intangible medium, and promote the logical of this software including number or analog communication signal or other intangible mediums Letter.Here, the transmission medium in the context of the disclosure is device-readable medium.

Additional annotations and example:

Example 1 is the device for the user equipment (UE) that one kind has honeycomb Internet of Things (CIoT) ability, which is configured For Evolved Packet System (EPS) communication in public land mobile network (PLMN), which includes: processing circuit, should Processing circuit is configured as: to attachment request message coding so as to the mobility management entity (MME) being sent in the EPS, The attachment request message includes pointing out whether the UE supports that the UE capability information to the limitation for using enhancing to cover is wanted Plain (IE)；The attachment received message decoding of the MME is attached to confirmation, the attachment received message includes indicating whether to institute It states UE limitation and IE is supported to the EPS network characterization of enhancing covering used；And when the UE support to use enhancing cover It limits and the EPS network characterization supports IE to inhibit in the PLMN when pointing out to UE limitation enhancing covering using increasing Strong covering；And it is coupled to the memory of the processing circuit, which is configured as storing the EPS network characterization support IE。

In example 2, the theme of example 1 includes, wherein the processing circuit is also matched in order to inhibit to cover using enhancing It is set to: when the UE supports to support IE to point out to limit the UE limitation and the EPS network characterization that use enhancing to cover One or more enhancing covering functions in the PLMN are disabled when system enhancing covering.

In example 3, the theme of example 1-2 includes, wherein the memory stores the list of equivalent PLMN, and described Processing circuit is also configured to support to support IE to the limitation and the EPS network characterization that use enhancing to cover as the UE When pointing out to limit the UE enhancing covering, inhibit to cover in any PLMN in the list of the equivalent PLMN using enhancing Lid.

In example 4, the theme of example 1-3 includes that, wherein the UE network capabilities IE includes bit, the bit is in institute It states and points out that the UE supports the limitation used to enhancing covering when bit is set, and refer to when the bit is not set The UE does not support the limitation used to enhancing covering out.

In example 5, the theme of example 4 includes, wherein the bit is in the byte 9 of the UE network capabilities IE Limitation enhancing covering (RestrictEC) bit.

In example 6, the theme of example 1-5 includes, wherein the processing circuit is configured as: when the EPS network is special Sign supports IE to point out to allow when not limiting the UE enhancing covering in the PLMN using enhancing covering.

In example 7, the theme of example 1-6 includes that, wherein the EPS network support IE includes bit, the bit exists The bit is pointed out to limit the UE use to enhancing covering when being set, and refers to when the bit is not set Out the use to enhancing covering is not limited for the UE.

In example 8, the theme of example 7 includes, wherein the bit is the word for supporting IE positioned at the EPS network characterization Limitation enhancing covering (RestrictEC) bit in section 4.

In example 9, the theme of example 1-8 includes, wherein the processing circuit is also configured to tracking area update For request message coding so as to the MME being sent in the EPS, the tracking area update request message includes pointing out that the UE is The no UE network capabilities IE supported to the limitation for using enhancing to cover.

In example 10, the theme of example 9 includes, wherein the processing circuit is also configured to the confirmation position UE more New tracking area update received message decoding, the tracking area update received message further include indicating whether to limit the UE It makes and IE is supported to the EPS network characterization of enhancing covering used.

In example 11, the theme of example 1-10 includes: the transceiver circuit for being coupled to the processing circuit；And coupling To one or more antennas of the transceiver circuit.

Example 12 is a kind of non-transient computer readable storage medium, and store instruction is for having honeycomb Internet of Things (CIoT) The one or more processors of the movement station (MS) of ability execute, which is configured for public land mobile network (PLMN) In General Packet Radio Service (GPRS) communication, described instruction configures one or more of processors so that described MS: to attachment request message coding to be sent to Serving GPRS Support Node (SGSN), the attachment request message includes referring to Whether the MS supports the MS capability information element (IE) to the limitation for using enhancing to cover out；Confirmation is attached to described The attachment received message of SGSN decodes, and the attachment received message includes indicating whether to limit the MS to make enhancing covering Complementary network feature supports IE；And when the MS is supported to the limitation for using enhancing to cover and complementary network spy Sign supports IE to point out to inhibit when limiting the MS enhancing covering in the PLMN using enhancing covering.

In example 13, the theme of example 12 includes, wherein one or more of processors also make the MS: working as institute MS is stated to support to support the limitation and the complementary network feature that use enhancing to cover IE to point out that limiting enhancing to the MS covers Gai Shi inhibits in any PLMN in the list of equivalent PLMN using enhancing covering.

In example 14, the theme of example 12-13 includes, wherein the MS network capabilities IE includes bit, the bit It points out that the MS supports the limitation used to enhancing covering when the bit is set, and is not set in the bit When point out the MS do not support to enhancing covering the limitation used.

In example 15, the theme of example 12-14 includes, wherein one or more of processors also make the MS: When the complementary network feature supports IE to point out to allow to use in the PLMN when not limiting the MS enhancing covering to increase Strong covering.

In example 16, the theme of example 12-15 includes, wherein the complementary network supports that IE includes bit, the ratio Spy points out to limit the MS use to enhancing covering when the bit is set, and is not set in the bit When point out not limit the MS the use to enhancing covering.

In example 17, the theme of example 12-16 includes, wherein the bit is to be located at the complementary network feature to support Limitation enhancing covering (RestrictEC) bit in the byte of IE.

In example 18, the theme of example 17 includes, wherein the RestrictEC bit is located at the complementary network spy Sign is supported in the byte 3 of IE.

In example 19, the theme of example 12-18 includes, wherein one or more of processors also make the MS: The SGSN to be sent in the GPRS is encoded to routing region updating (RAU) request message, the RAU request message includes Point out whether the MS supports the MS network capabilities IE to the limitation for using enhancing to cover.

In example 20, the theme of example 19 includes, wherein one or more of processors also make the MS: to true Recognize the routing region updating received message decoding of MS location updating, the RAU received message further includes indicating whether to the MS It limits and IE is supported to the complementary network feature of enhancing covering used.

Example 21 is a kind of device of node B (NB), which includes: processing circuit, is configured as: to from mobility The configuration source codec of management entity (MME), the configuration message include indicating whether to limit to enhancing user equipment (UE) The enhancing coverage limitation information element (IE) of covering used；It is that the UE creates context based on the configuration message；And Based on UE context forward downlink network insertion level (NAS) received message to be sent to the UE, the NAS Received message includes indicating whether to limit the UE to support IE to the EPS network characterization of enhancing covering used；And coupling To the memory of the processing circuit, which is configured as storing the enhancing coverage limitation IE.

In example 22, the theme of example 21 includes, wherein the configuration message is that initial context sets up request message.

In example 23, the theme of example 21-22 includes, wherein the configuration message is switching request message.

In example 24, the theme of example 21-23 includes, wherein the configuration message is downlink NAS transmission message.

In example 25, the theme of example 21-24 includes, wherein the processing circuit is also configured to uplink For non access stratum (NAS) message coding to be sent to the MME, the NAS message includes pointing out whether the UE supports pair Use the UE capability information element (IE) of the limitation of enhancing covering.

In example 26, the theme of example 21-25 includes: the transceiver circuit for being coupled to the processing circuit；And coupling Close one or more antennas of the transceiver circuit.

Example 27 is at least one machine readable media for including instruction, and described instruction makes when circuit processed executes The processing circuit executes any one for operating and carrying out implementation example 1-26.

Example 28 is a kind of equipment, including the device of any one for realizing example 1-26.

Example 29 is a kind of system, for any one of implementation example 1-26.

Example 30 is a kind of method, for any one of implementation example 1-26.

Although having referred to specific exemplary aspect to describe on the one hand, although it will be appreciated that not departing from the wider of the disclosure In the case where range, various modifications and change can be made to these aspects.Therefore, the description and the appended drawings should be considered as illustrative , rather than it is restrictive.Formed herein a part attached drawing to illustrate and non-limited way be shown in which can be achieved theme Specific aspect.It is described in sufficient detail in terms of illustration so that those skilled in the art can be realized religion disclosed herein It leads.It can be in terms of it utilizes and obtains other, so as to make in structure and patrol without departing from the scope of the disclosure Substitution and change on volume.Therefore this " specific embodiment " part should not understand from limited significance, and various sides The range in face is only limited by the complete scope of the authorized equivalent of appended claims and this claim.

This aspect of subject matter can be referred to individually and/or generally that this is intended merely to conveniently herein, and simultaneously It is not intended to that scope of the present application is actively restricted to any single aspect or inventive concept, if actually disclosed more than one If.To, although having illustrated and described specific aspect herein, it is to be understood that, any cloth for intending to realize identical purpose Set all alternative specific aspect shown.The disclosure is intended to cover any and whole adaptive change or the variation of various aspects. Those skilled in the art are after reading above description it will be clear that finding out the combination of above-mentioned aspect and herein not specifically describing Other aspects.

The abstract of the disclosure is provided to allow reader promptly to determine property disclosed in technology.It is under following understanding Submit: it will not be used to interpret or limit the scope of the claims or meaning.In addition, in specific embodiment portion above-mentioned In point, it can be seen that in order to simplify disclosure, various features are gathered in together in single aspect.Disclosed the method should not be solved It is interpreted as reflecting claimed aspect requirement than the intention for the more features being expressly recited in each claim.More precisely Ground says, as appended claims reflect, subject matter be present in single open aspect all or less than in feature.To special Appended claims are incorporated into specific embodiment part by this, wherein each claim is independently used as an individually side Face.

Claims (25)

1. one kind has the device of the user equipment (UE) of honeycomb Internet of Things (CIoT) ability, which is configured for public land Evolved Packet System (EPS) communication in ground mobile network (PLMN), the device include:

Processing circuit, the processing circuit are configured as:

To attachment request message coding for the mobility management entity (MME) being sent in the EPS, the attachment request disappears Breath include UE capability information element (IE), the UE network capabilities IE point out the UE whether support to use enhancing cover Limitation；

The attachment received message decoding of the MME is attached to confirmation, the attachment received message includes that EPS network characterization is supported IE, the EPS network characterization support IE to indicate whether to limit the UE use to enhancing covering；And

When the UE supports to support IE to point out to limit the UE limitation and the EPS network characterization that use enhancing to cover When enhancing covering, inhibit in the PLMN using enhancing covering；And

It is coupled to the memory of the processing circuit, which is configured as storing the EPS network characterization support IE.

2. device as described in claim 1, wherein the processing circuit is also configured in order to inhibit to cover using enhancing

When the UE supports to support IE to point out to limit the UE limitation and the EPS network characterization that use enhancing to cover When enhancing covering, one or more enhancing covering functions in the PLMN are disabled.

3. the device as described in any one in claim 1-2, wherein the memory stores the list of equivalent PLMN, and The processing circuit is also configured to

When the UE supports to support IE to point out to limit the UE limitation and the EPS network characterization that use enhancing to cover When enhancing covering, inhibit in any PLMN in the list of the equivalent PLMN using enhancing covering.

4. the device as described in any one in claim 1-2, wherein the UE network capabilities IE includes bit, the bit It points out that the UE supports the limitation used to enhancing covering when the bit is set, and is not set in the bit When point out the UE do not support to enhancing covering the limitation used.

5. device as claimed in claim 4, wherein the bit is the limitation in the byte 9 of the UE network capabilities IE Enhancing covering (RestrictEC) bit.

6. the device as described in any one in claim 1-2, wherein the processing circuit is configured as:

When the EPS network characterization supports IE to point out not limiting the UE enhancing covering, permission makes in the PLMN It is covered with enhancing.

7. the device as described in any one in claim 1-2, wherein the EPS network support IE includes bit, the ratio Spy points out to limit the UE use to enhancing covering when the bit is set, and is not set in the bit When point out not limit the UE the use to enhancing covering.

8. device as claimed in claim 7, wherein the bit is in the byte 4 that the EPS network characterization supports IE Limitation enhancing covering (RestrictEC) bit.

9. the device as described in any one in claim 1-2, wherein the processing circuit is also configured to

The MME for being sent in the EPS is encoded to tracking area update request message, the tracking area update request disappears Breath includes the UE network capabilities IE for pointing out the UE and whether supporting to the limitation for using enhancing to cover.

10. device as claimed in claim 9, wherein the processing circuit is also configured to

Tracking area update received message decoding to confirmation UE location updating, the tracking area update received message further include It indicates whether to limit the UE and IE is supported to the EPS network characterization of enhancing covering used.

11. the device as described in any one in claim 1-2, further includes: be coupled to the transceiver electricity of the processing circuit Road；And it is coupled to one or more antennas of the transceiver circuit.

12. a kind of computer readable storage medium, store instruction is for having the movement station of honeycomb Internet of Things (CIoT) ability (MS) one or more processors execute, which is configured for the general packet in public land mobile network (PLMN) Wireless radio service (GPRS) communication, described instruction is for configuring one or more of processors so that the MS:

To attachment request message coding for being sent to Serving GPRS Support Node (SGSN), the attachment request message includes MS Capability information element (IE), the MS network capabilities IE point out whether the MS supports the limitation to using enhancing to cover；

The attachment received message decoding of the SGSN is attached to confirmation, the attachment received message includes complementary network feature branch IE is held, the complementary network feature supports IE to indicate whether to limit the MS use to enhancing covering；And

When the MS supports to support IE to point out to limit the MS limitation and the complementary network feature that use enhancing to cover When system enhancing covering, inhibit in the PLMN using enhancing covering.

13. computer readable storage medium as claimed in claim 12, wherein one or more of processors also make institute State MS:

When the MS supports to support IE to point out to limit the MS limitation and the complementary network feature that use enhancing to cover When system enhancing covering, inhibit in any PLMN in the list of equivalent PLMN using enhancing covering.

14. the computer readable storage medium as described in any one in claim 12-13, wherein the MS network capabilities IE Including bit, the bit points out that the MS supports the limitation used to enhancing covering when the bit is set, and Point out that the MS does not support the limitation used to enhancing covering when the bit is not set.

15. the computer readable storage medium as described in any one in claim 12-13, wherein one or more of places Reason device also makes the MS:

When the complementary network feature supports IE to point out not limiting the MS enhancing covering, permission makes in the PLMN It is covered with enhancing.

16. the computer readable storage medium as described in any one in claim 12-13, wherein the complementary network is supported IE includes bit, and the bit is pointed out to limit the MS use to enhancing covering when the bit is set, and It points out not limiting the MS the use to enhancing covering when the bit is not set.

17. the computer readable storage medium as described in any one in claim 12-13, wherein the bit is to be located at institute Stating complementary network feature supports the limitation enhancing in the byte of IE to cover (RestrictEC) bit.

18. computer readable storage medium as claimed in claim 17, wherein the RestrictEC bit is positioned at described attached Network characterization is added to support in the byte 3 of IE.

19. the computer readable storage medium as described in any one in claim 12-13, wherein one or more of places Reason device also makes the MS:

The SGSN for being sent in the GPRS, the RAU request message are encoded to routing region updating (RAU) request message Including pointing out whether the MS supports the MS network capabilities IE to the limitation for using enhancing to cover.

20. computer readable storage medium as claimed in claim 19, wherein one or more of processors also make institute State MS:

Routing region updating received message decoding to confirmation MS location updating, the RAU received message further includes indicating whether IE is supported to the complementary network feature that uses of the MS limitation to enhancing covering.

21. a kind of device of node B (NB), the device include:

Processing circuit is configured as:

To the configuration source codec for coming from mobility management entity (MME), the configuration message includes enhancing coverage limitation information Element (IE), the enhancing coverage limitation IE indicate whether to limit user equipment (UE) use to enhancing covering；

Context is created for the UE based on the configuration message；And

Based on UE context forward downlink network insertion level (NAS) received message for being sent to the UE, institute Stating NAS received message includes that EPS network characterization supports IE, the EPS network characterization that IE is supported to indicate whether to limit the UE Use to enhancing covering；And

It is coupled to the memory of the processing circuit, which is configured as storing the enhancing coverage limitation IE.

22. device as claimed in claim 21, wherein the configuration message is that initial context sets up request message.

23. the device as described in any one in claim 21-22, wherein the configuration message is switching request message.

24. the device as described in any one in claim 21-22, wherein the configuration message is downlink NAS transmission Message.

25. the device as described in any one in claim 21-22, wherein the processing circuit is also configured to

To uplink non access stratum (NAS) message coding for being sent to the MME, the NAS message includes UE network Ability information element (IE), the UE network capabilities IE point out whether the UE supports the limitation to using enhancing to cover.