CN110381577A - Device and method for the synchronization in cordless communication network - Google Patents
Device and method for the synchronization in cordless communication network Download PDFInfo
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- H—ELECTRICITY
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
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Abstract
Present disclose provides the device and method for the synchronization in cordless communication network.Present disclose provides a kind of devices for being used for user equipment (UE), comprising: memory, for storing synchronous grid and frequency offseting value, which is greater than or equal to 50kHz;And processor, for accessing memory by memory interface, wherein, processor is configured for: determining a set of frequencies in predetermined work frequency band based on synchronous grid and frequency offseting value, the timing or Frequency Synchronization with access node (AN) are executed for each frequency detecting one or more synchronization signal in this group of frequency, and based on detected one or more synchronization signals.
Description
Prioity claim
U.S. Provisional Application and 2018 year of the application based on the Serial No. 62/657,609 submitted on April 13rd, 2018
The U.S. Provisional Application for the Serial No. 62/658,424 submitted April 16, and require the excellent of two U.S. Provisional Applications
It first weighs, the full content of these provisional applications is integrally hereby incorporated by by reference.
Technical field
Embodiment of the disclosure relates in general to wireless communication field, and in particular, to for same in cordless communication network
The device and method of step.
Background technique
During user equipment (UE) carries out initial system acquisition in long term evolution (LTE) network, UE utilizes channel grid
(channel raster) is candidate to detect one group of centre frequency to perform a scan.And in the new radio of 5G (NR) network
In, due to being disposed in very broadband, being performed a scan using channel grid may be not efficient enough, it is possible to answer
With synchronization grid (synchronization raster) the Lai Jinhang initial system synchronization of the multiple of usually channel grid or
Handoff procedure.
Summary of the invention
The one side of the disclosure provides a kind of device for being used for user equipment (UE), comprising: memory, it is same for storing
Grid and frequency offseting value are walked, which is greater than or equal to 50kHz;And processor, for being visited by memory interface
It asks memory, wherein processor is configured for: determining one in predetermined work frequency band based on synchronous grid and frequency offseting value
Group frequency, for each frequency detecting one or more synchronization signal in this group of frequency, and based on detected one
Or multiple synchronization signals execute the timing or Frequency Synchronization with access node (AN).
The one side of the disclosure provides a kind of device for being used for user equipment (UE), comprising: memory;And processor,
For accessing memory by memory interface, wherein processor is configured for: synchronization grid based on 1200kHz and big
A set of frequencies in 6GHz or less frequency band is determined in or equal to the frequency offseting value of 50kHz, for each of this group of frequency
Frequency detecting one or more synchronization signal, and based on detected one or more synchronization signals execution and access node
(AN) timing or Frequency Synchronization;And wherein, memory is for storing synchronous grid and frequency offseting value.
The one side of the disclosure provides a kind of device for being used for access node (AN), comprising: memory, it is same for storing
Grid and frequency offseting value are walked, which is greater than or equal to 50kHz;And processor, for being visited by memory interface
It asks memory, wherein processor is configured for: determining one in predetermined work frequency band based on synchronous grid and frequency offseting value
Group frequency, and one or more synchronization signals are sent to user equipment (UE) by one or more frequencies in this group of frequency.
The one side of the disclosure provides a kind of device for being used for access node (AN), comprising: memory;And processor,
For accessing memory by memory interface, wherein processor is configured for: synchronization grid based on 1200kHz and big
A set of frequencies in 6GHz or less frequency band is determined in or equal to the frequency offseting value of 50kHz, and by one in this group of frequency
A or multiple frequencies send one or more synchronization signals to user equipment (UE);And wherein, memory is for storing synchronization
Grid and frequency offseting value.
The one side of the disclosure provides a kind of computer-readable medium for being stored with instruction, these instructions are set by user
The processor of standby (UE) is used for processor when executing: based on synchronous grid and more than or equal to the frequency offseting value of 50kHz
To determine a set of frequencies in 6GHz or less frequency band;For the synchronous letter of each frequency detecting one or more in this group of frequency
Number;And the timing or Frequency Synchronization with access node (AN) are executed based on detected one or more synchronization signals.
The one side of the disclosure provides a kind of computer-readable medium for being stored with instruction, these instructions are saved by access
The processor of point (AN) is used for processor when executing: based on synchronous grid and more than or equal to the frequency offseting value of 50kHz
To determine a set of frequencies in 6GHz or less frequency band;And one or more frequencies in this group of frequency are pressed to user equipment (UE)
Send one or more synchronization signals.
Detailed description of the invention
In the accompanying drawings, it will illustrate embodiment of the disclosure by way of example, and not limitation, wherein identical with reference to mark
Number refer to similar element.
Fig. 1 shows the framework of the system of the network according to some embodiments of the present disclosure.
Fig. 2 shows showing for the example sync component according to the UE of some embodiments of the present disclosure for executing synchronizing process
Meaning property block diagram.
Fig. 3 is shown according to the access node (AN) of some embodiments of the present disclosure for being configured to the same of synchronizing process
Walk the schematic block diagram of the example arrangement component of signal.
Fig. 4 is shown according to the working band of some embodiments of the present disclosure, minimum channel bandwidth, synchronization signal block, letter
Example relationship between road grid and synchronous grid.
Fig. 5 is the synchronizing process shown in the cordless communication network according to some embodiments of the present disclosure between UE and AN
Flow chart.
Fig. 6 is the synchronizing process shown in the cordless communication network according to some embodiments of the present disclosure between UE and AN
Flow chart.
Fig. 7 shows the exemplary components of the equipment according to some embodiments of the present disclosure.
Fig. 8 shows the example interface of the baseband circuit according to some embodiments of the present disclosure.
Fig. 9 is to show that instruction can be read from machine readable or computer-readable medium according to some example embodiments
And execute the block diagram of the component of any one or more of method discussed herein.
Specific embodiment
The term for using those skilled in the art to generally use is described to the various aspects of illustrative embodiments, incite somebody to action this
Disclosed essence is communicated to others skilled in the art.However, for those skilled in the art it can be readily appreciated that can make
Many alternate embodiments are practiced with the part of described aspect.For illustrative purposes, elaborate it is specific number, material and
Configuration, to provide the thorough understanding to illustrative embodiments.However, for those skilled in the art it can be readily appreciated that can be with
Alternate embodiment is practiced without these specific details.In other cases, it is convenient to omit or simplification is well-known
Feature, to avoid fuzzy illustrative embodiments.
In addition, various operations will be described as multiple discrete operations in a manner of most helpful in illustrative embodiments is understood;
However, the sequence of description is not necessarily to be construed as implying that these operations are necessarily dependent upon sequence.In particular, these operation do not need by
It is executed according to the sequence of presentation.
Phrase " in embodiment ", " in one embodiment " and " in some embodiments " are reused herein.This is short
Language not usually refers to the same embodiment;But it may refer to the same embodiment.Unless the context requires otherwise, otherwise term " wraps
Containing ", " having " and " comprising " be synonym.Phrase " A or B " and " A/B " expression " (A), (B) or (A and B) ".
Fig. 1 shows the framework of the system 100 according to the network of some embodiments of the present disclosure.System 100 is shown as
Including user equipment (UE) 101 and UE 102.UE 101 and UE 102 is shown as smart phone (for example, may be connected to one
Or the hand-held touch screen mobile computing device of multiple cellular networks).However, it can also include any movement or non-moving calculating
Equipment, for example, personal digital assistant (PDA), pager, laptop computer, desktop computer, radio hand-held equipment or including
Any calculating equipment of wireless communication interface.
In some embodiments, either one or two of UE 101 and UE 102 may include Internet of Things (IoT) UE, may include
It is designed to the network access layer applied using the low-power IoT of short-term UE connection.IoT UE can use such as machine and arrive
The technology of machine (M2M) or machine-type communication (MTC) etc is come via public land mobile network (PLMN), based on neighbouring clothes
Business (ProSe) or device-to-device (D2D) communication, sensor network or IoT network and MTC server or devices exchange data.
M2M or MTC data exchange can be the data exchange of machine initiation.IoT network, which describes, is interconnected IoT UE, can be with
Including having the unique identifiable embedding assembly equipment connected in short term (in the Internet infrastructure).IoT UE can be held
Row background application (for example, keep efficient message, state update etc.) is to promote the connection of IoT network.
UE 101 and UE 102, which can be configured as, to be connect (for example, communicatedly coupling with radio access network (RAN) 110
Close), RAN 110 for example can be evolved Universal Mobile Telecommunications System (UMTS) terrestrial radio access network network (E-UTRAN),
The RAN of next-generation RAN (NG RAN) or some other types.UE 101 and UE 102 can be utilized respectively connection 103 and 104,
Each connection includes physical communication interface or physical layer (can be discussed in further detail below);In this example, 103 Hes are connected
104 are shown as the air interface for allowing to be coupled in communication, and can be consistent with cellular communication protocol, cellular communication protocol
Such as can be global system for mobile communications (GSM) agreement, CDMA (CDMA) network protocol, push to speak (PTT) agreement,
Honeycomb PTT (POC) agreement, Universal Mobile Telecommunications System (UMTS) agreement, 3GPP long term evolution (LTE) agreement, the 5th generation (5G)
Agreement, new radio (NR) agreement etc..
In this example, UE 101 and 102 can also be directly by based on the neighbouring exchange of service (ProSe) interface 105
Communication data.ProSe interface 105 can also be referred to as the sidelinks (sidelink) including one or more logic channels and connect
Mouth, including but not limited to physical side link control signal (PSCCH), physical side link shared channels (PSSCH), physics sidelinks
It was found that channel (PSDCH) and physical side link broadcast channel (PSBCH).
RAN 110 may include the one or more access nodes (AN) for allowing for connection 103 and 104.These AN can
To be referred to as base station (BS), NodeB, evolved NodeB (eNB), next generation NodeB (gNB), RAN node etc., and can wrap
It includes earth station's (for example, terrestrial access points) or the satellite station of the coverage area in geographic area (for example, cell) is provided.RAN
110 may include for providing one or more RAN nodes of macrocell, such as macro RAN node 111, and for providing milli
Picocell or picocell (such as there is smaller overlay area, smaller user capacity or more high band compared with macrocell
Wide cell) one or more RAN nodes, such as low-power (LP) RAN node 112.
Any RAN node in RAN node 111 and 112 can terminate air interface protocol, and can be 101 He of UE
102 the first communication center.In some embodiments, the various of RAN 110 may be implemented in any of RAN node 111 and 112
Logic function includes but not limited to radio network controller (RNC) function, such as radio bearer management, uplink
With the management of downlink dynamic radio resources and data packet scheduling and mobile management.
According to some embodiments, UE 101 and 102 be can be configured as according to the various communication technologys, use orthogonal frequency division multiplexing
With (OFDM) signal of communication by multicarrier communication channel with each other or with any RAN node in RAN node 111 and 112
It is communicated, the communication technology is such as, but not limited to orthogonal frequency division multiple access (OFDMA) communication technology (for example, for downlink chain
Road communication) or single-carrier frequency division multiple access (SC-FDMA) communication technology (for example, logical for uplink and ProSe or sidelinks
Letter), but the range of embodiment is without being limited thereto in this aspect.Ofdm signal may include multiple orthogonal sub-carriers.
In some embodiments, down-chain resource grid can be used for the section of any RAN from RAN node 111 and 112
Point arrives the downlink transmission of UE 101 and 102, and similar technology can be used in uplink transmission.Grid can be time-frequency
Grid, referred to as resource grid or running time-frequency resource grid are physical resource in each time slot in the downlink.When this
Frequency plane representation method is the common practice of ofdm system, this makes radio resources allocation more intuitive.Resource grid it is every
Column and every row correspond respectively to an OFDM symbol and an OFDM subcarrier.The duration of resource grid corresponds in time domain
A time slot in radio frame.Minimum time frequency unit in resource grid is expressed as element of resource.Each resource grid includes
Multiple resource blocks, which depict the mappings of certain physical channels to element of resource.Each resource block includes the set of element of resource.
In a frequency domain, this can indicate the least resource amount that can currently distribute.In the presence of using such resource block transmit it is several not
Same physical down link channel.
Downlink channel may include physical down link sharing channel (PDSCH) and physical downlink control channel
(PDCCH)。
User data and higher level signaling can be carried to UE 101 and 102 by PDSCH.PDCCH can be carried about biography
Information etc. in terms of transport format and resource allocation related with PDSCH channel.It can also be notified to UE 101 and 102 and uplink
The related transformat of link shared channels, resource allocation and hybrid automatic repeat-request (HARQ) information.In general, can be based on
The channel quality information fed back from UE 101 and 102 executes downlink at any RAN node in RAN node 111 and 112
Scheduling (distribution of UE 101 and 102 control and shared channel resources block into cell).It can be sent on PDCCH and be used for (example
Such as, distribute to) the downlink resource allocations information of each of UE 101 and 102.
Control channel element (CCE) can be used to transmit control information in PDCCH.It, can before being mapped to element of resource
PDCCH complex-valued symbol is organized into four-tuple first, then can be used sub-block interleaver to these four-tuples replaced with into
Row rate-matched.One or more CCE in these CCE can be used to send each PDCCH, wherein each CCE can be right
Ying Yujiu group physical resource element (referred to as element of resource group (REG)), every group includes four physical resource elements.It can be by four
A quadrature phase shift keying (QPSK) symbol is mapped to each REG.One or more CCE can be used to send PDCCH, this depends on
In the size and channel condition of down link control information (DCI).There may be four kinds or more different PDCCH in LTE
Format, they have different number CCE (for example, aggregation level, L=1,2,4 or 8)
The concept of the resource allocation for control channel information can be used in some embodiments, which is above-mentioned concept
Extension.For example, enhanced physical downlink control channel (EPDCCH) can be used in some embodiments, provided using PDSCH
It is transmitted to carry out control information in source.One or more enhancings control channel element (ECCE) can be used to send EPDCCH.With
Similar to the above, each ECCE can correspond to nine groups of physical resource elements (referred to as enhancing element of resource group (EREG)), and every group
Including four physical resource elements.In some cases, ECCE can have other quantity EREG.
RAN 110 is shown as being communicably coupled to core network (CN) 120 via S1 interface 113.In embodiment, CN
120 can be Evolved Packet Core (EPC) network, NextGen block core (NPC) network or other kinds of CN.One
In a little embodiments, S1 interface 114 is divided into two parts: S1-U interface 114, carries RAN node 111 and 112 and gateway
(S-GW) business datum between 122;S1- mobility management entity (MME) interface 115 is RAN node 111 and 112 with
Signaling interface between MME 121.
In one embodiment, CN 120 may include MME 121, S-GW 122, packet data network (PDN) gateway
(P-GW) 123 and home subscriber servers (HSS) 124.MME121 can be functionally similar to traditional services general packet
The control plane of wireless service (GPRS) supporting node (SGSN).MME 121 can manage such as gateway selection and tracing area column
In terms of mobility in the access of table management etc.HSS 124 may include the database for the network user, including for branch
Hold the subscription related information of network entity processing communication session.CN 120 may include one or more HSS 124, this is depended on
The quantity of mobile subscriber, the capacity of equipment, tissue of network etc..For example, HSS 124 can provide to routing/roaming, identification,
The support of authorization, name/addressing parsing, position dependence etc..
S-GW 122 can terminate the S1 interface 113 towards RAN 110, and route between RAN 110 and CN 120
Data grouping.In addition, S-GW 122 can be local mobility anchor, for switching between RAN node, and use can also be provided
The ambulant anchoring between 3GPP.Other responsibilities may include lawful intercept, charge and some policy implementations.
P-GW 123 can terminate the SGi interface towards PDN.P-GW 123 can be via Internet protocol (IP) interface
The outside of 125 network in CN 120 and such as including application server (AS) 130 (or referred to as application function (AF)) etc
Data grouping is routed between network.In general, application server 130 can be to provide by IP bearing resource and core network (for example,
The domain UMTS packet service (PS), LTE PS data service etc.) element of application that is used together.In this embodiment, P-GW
123 are shown as being communicably coupled to application server 130 via IP communication interface 125.Application server 130 can also be matched
It is set to and supports one or more communication services of UE 101 and 102 (for example, voice over internet protocol (VoIP) meeting via CN 120
Words, PTT session, group communication session, social networking service etc.).
P-GW 123 can also be the node for strategy execution and accounting data collection."Policy and Charging Rules Function
(PCRF) 126 be CN 120 strategy and charging control element.In non-roaming scene, in Home Public Land Mobile Network network
(HPLMN) there may be single PCRFs associated with connection access network (IP-CAN) session of the Internet protocol of UE in.?
In roaming scence with the outburst of local flow, it is understood that there may be in two PCRF:HPLMN associated with the IP-CAN session of UE
Ownership PCRF (H-PCRF) and access public land mobile network (VPLMN) in access PCRF (V-PCRF).PCRF 126
Application server 130 can be communicably coupled to via P-GW 123.Application server 130 can signal PCRF 126
To indicate new service flow and select service quality appropriate (QoS) and billing parameter.PCRF 126 can use industry appropriate
The rule is supplied to strategy and charge execution function (PCEF) and (not shown by business flow template (TFT) and QoS class identifier (QCI)
Out), start the QoS specified by application server 130 and charging.
The quantity of equipment and/or network shown in Fig. 1 provides for illustration purposes only.In fact, there may be volumes
It outer equipment and/or network, less equipment and/or network, different equipment and/or network or is set with shown in Fig. 1
Standby and/or network compares the equipment being configured differently and/or network.Alternatively, or in addition, the one or more of system 100 is set
It is standby to execute the one or more functions for being described as being executed by another or multiple equipment of system 100.Although in addition, figure
" direct " connection is shown in 1, but these connections should be interpreted logical communication path.And in practice, Ke Yicun
At one or more intermediate equipments (for example, router, gateway, modem, interchanger, hub etc.).
When system 100 is deployed in LTE network, during carrying out initial system acquisition at UE (such as UE 101),
It is candidate to detect one group of centre frequency to perform a scan that UE can use channel grid.However, when system 100 is deployed in
When in 5G NR network, due to being disposed in very broadband, being performed a scan using channel grid not enough to be had
Effect, it is possible to which application is usually the synchronization grid of the multiple of channel grid to carry out initial system synchronization or handoff procedure.
When there is no the clear signaling about the frequency location of synchronization signal (SS) block, synchronous grid can indicate that UE can
The frequency location of the SS block synchronous for system.
Specifically, for 6GHz or less frequency band, (also referred to as FR1 backsets (re- according to relevant 3GPP technical specification
Farming) frequency band), channel grid be 100kHz the case where, the frequency location of SS block can be provided by following formula (1).
SSREF=N*900kHz+M*5kHz (1)
In above formula, N and M are integer, such as N=1:3000, M=-1:1 are (that is, N can be and select in from 1 to 3000
Integer, M can be the integer selected in { -1,0,1 });The frequency location of SSREF expression SS block;900kHz is synchronous grid;And
And 5kHz is frequency offseting value.It can be in relevant 3GPP technical specification for the pre-defined synchronous grid of particular job frequency band
And frequency offseting value.
Fig. 2 shows the example sync components 200 for being used to execute synchronizing process according to the UE of some embodiments of the present disclosure
Schematic block diagram.
Synchronization Component 200 for UE (such as UE 101) can be configured as based on synchronization signal execute in network
Access node (such as RAN node 111) timing or Frequency Synchronization.As shown in Figure 2, Synchronization Component 200 may include true
Determine component 210, is configured as determining FR1 weight based on predefined synchronous grid 211 and predefined frequency offseting value 212
Plough a set of frequencies in frequency band.Such as.This group of frequency can be determined according to above equation (1).Synchronization Component 200 can be with
Including detection components 220, be configured as detecting for each frequency in this group of frequency for access node (AN) into
One or more synchronization signals 221 of row timing or Frequency Synchronization.In addition, Synchronization Component 200 may include securing component 230,
It is configured as obtaining Master Information Block (MIB) by being decoded transmission from the Physical Broadcast Channel (PBCH) of AN;And
Searching component 240 is configured as at least based on the one or more synchronization signals 221 of detection and acquisition MIB come search center frequency
Rate.
With Fig. 2 correspondingly, Fig. 3 is shown according to the AN of some embodiments of the present disclosure for being configured to synchronizing process
Synchronization signal example arrangement component 300 schematic block diagram.
As shown in Figure 3, it can include determining that component 310 for the configuration component of AN 300, be configured as based on predetermined
The synchronization grid 211 and predefined frequency offseting value 212 of justice determine that FR1 backsets a set of frequencies in frequency band.Such as.The group
Frequency can be determined according to above equation (1).Then, configuration component 310 can be by one or more of this group of frequency
Frequency sends one or more synchronization signals 221 and PBCH 301 at least one UE.The one or more synchronization signal 221 can
To be used to execute and the timing or Frequency Synchronization of AN by UE.
It can be based on when there is no the clear signaling about the frequency location of synchronization signal block according to description before
Synchronous grid, which calculates UE with frequency offseting value, can be used for the frequency location of the synchronous synchronization signal block of system.
For example, at the frequency of each integral multiple of 900kHz, existing by defining 5kHz in above equation (1)
Frequency offseting value obtained from be directed to SS block three possible frequency locations.It is 15kHz's for subcarrier spacing (SCS)
Situation defines the frequency offseting value of 5kHz.For the SCS of 30kHz, which can be defined as 10kHz.The offset
Value, which can be defined as, ensures that the frequency difference between synchronous grid and channel grid is the multiple of 15kHz.
However, the frequency offseting value of 5kHz or 10kHz is considered too small.For example, in the receiver at UE, it may
There are reference clock inaccuracy and/or Doppler shifts, this may result in the frequency shift (FS) greater than 10kHz.Therefore, at UE
During carrying out search of initial zone, using the frequency offseting value of 5kHz or 10kHz, SS block may not be able to be distinguished from each other open.
Therefore, for optimized synchronization process and ensure that SS block is distinguished from each other out using biggish frequency shift (FS), mention
New synchronization grid and new frequency offseting value as big as possible are defined out, while will not cause additional signaling overheads.It is another
Aspect, also requires the suitable synchronous grid of definition, and the minimum bandwidth channel in working band to allow UE can accommodate synchronization
Signal.
Fig. 4 is shown according to the working band of some embodiments of the present disclosure, minimum channel bandwidth, synchronization signal block, letter
Example relationship between road grid and synchronous grid.
As shown in figure 4, the minimum bandwidth channel in working band in order to allow UE can accommodate synchronization signal, synchronous grid
Lattice can be defined according to equation below (2).
Rss=Floor ((CBWeff-min-BWSS+RCH)/RCH)×RCH (2)
Wherein RSSIt is synchronous grid, CBWeff-minIt is effective minimum channel bandwidth, BWSSIt is the bandwidth of synchronization signal, and
RCHIt is channel grid.
Fig. 5 is the synchronizing process shown in the cordless communication network according to some embodiments of the present disclosure between UE and AN
Flow chart.
At 510, UE can the frequency offseting value based on synchronous grid and more than or equal to 50kHz determine predetermined work frequency
A set of frequencies in band.
The case where synchronous grid is predefined as allowing the minimum bandwidth channel in predetermined work frequency band to accommodate synchronization signal
Under maximum frequency values.
Synchronous grid can be the integral multiple of channel grid.When predetermined work frequency band is 6GHz or less frequency band, synchronous grid
Lattice can be defined as 1200kHz.Alternatively, synchronous grid can be defined as 1300kHz, 1400kHz or 1500kHz.In addition,
Frequency offseting value can also be predefined as 100kHz or 200kHz.It therefore, can be based on synchronous grid and frequency offseting value, root
A set of frequencies in predetermined work frequency band is determined according to predefined equation.
As an example, this group of frequency can be determined by following equation (3).
SSREF=N*1200kHz+M*50kHz (3)
In above formula, N and M are integer, such as N=1:2250 or N=0:2250, and M=0:1:2 is (that is, N can be
The integer selected in from 1 to 2250 or from 0 to 2250, M can be the integer selected from { 0,1,2 });SSREFIndicate institute
The frequency location of determining SS block;1200kHz is synchronous grid;And 50kHz is frequency offseting value.
As another example, this group of frequency can be determined by following equation (4).
SSREF=N*1300kHz+M*100kHz (4)
In above formula, N and M are integer, such as N=1:1928, and M=-1:1;SSREFThe frequency of SS block determined by indicating
Rate position;1300kHz is synchronous grid;And 100kHz is frequency offseting value.
As another example, this group of frequency can be determined by following equation (5).
SSREF=N*1400kHz+M*200kHz (5)
In above formula, N and M are integer, such as N=1:1928, and M=-1:1;SSREFThe frequency of SS block determined by indicating
Rate position;1400kHz is synchronous grid;And 200kHz is frequency offseting value.
As another example, this group of frequency can be determined by following equation (6).
SSREF=N*1500kHz+M*100kHz (6)
In above formula, N and M are integer, such as N=1:1928, and M=-1:1;SSREFThe frequency of SS block determined by indicating
Rate position;1500kHz is synchronous grid;And 100kHz is frequency offseting value.
At 520, AN can by mode identical in the way of step 510, be based on synchronous grid and frequency shift (FS)
Value determines a set of frequencies in predetermined work frequency band.
At 530, AN can by one or more frequencies in a set of frequencies determined by 520 to UE send one or
Multiple synchronization signals.
At 540, UE can be for each frequency detecting one or more synchronization signal in identified a set of frequencies.
At 550, UE can execute the timing or frequency with AN based on detected one or more synchronization signals
It is synchronous.
Fig. 6 is the synchronizing process shown in the cordless communication network according to some embodiments of the present disclosure between UE and AN
Flow chart.
At 610, UE can frequency offseting value based on the synchronization grid of 1200kHz and more than or equal to 50kHz determine
A set of frequencies in 6GHz or less frequency band.
In addition, frequency offseting value can also be predefined as 100kHz or 200kHz.Therefore, can based on synchronous grid and
Frequency offseting value determines a set of frequencies in predetermined work frequency band according to predefined equation.
As an example, this group of frequency can be determined by following equation (3).
SSREF=N*1200kHz+M*50kHz (3)
In above formula, N and M are integer, such as N=1:2250 or N=0:2250, and M=0:1:2;SSREFIndicate institute
The frequency location of determining SS block;1200kHz is synchronous grid;And 50kHz is frequency offseting value.
At 620, AN can by mode identical in the way of step 610, be based on synchronous grid and frequency shift (FS)
Value determines a set of frequencies in predetermined work frequency band.
At 630, AN can by one or more frequencies in a set of frequencies determined by 620 to UE send one or
Multiple synchronization signals.
At 640, UE can be for each frequency detecting one or more synchronization signal in identified a set of frequencies.
At 650, UE can execute the timing or frequency with AN based on detected one or more synchronization signals
It is synchronous.
Fig. 7 shows the exemplary components of equipment 700 in accordance with some embodiments.In some embodiments, equipment 700 can be with
Including the application circuit 702, baseband circuit 704, radio frequency (RF) circuit 706, front-end module being at least coupled as shown in the figure
(FEM) circuit 708, one or more antennas 710 and power management circuitry (PMC) 712.The component of shown equipment 700 can be with
It is included in UE or AN.In some embodiments, equipment 700 may include less element (for example, AN can be without using application
Circuit 702, but including processor/controller to handle from the received IP data of EPC).In some embodiments, equipment 700
It may include add ons, such as memory/storage, display, camera, sensor or input/output (I/O) interface.
In other embodiments, component described below can be included in more than one equipment (for example, for Cloud-RAN (C-
RAN) implementation, in the more than one equipment that the circuit can be separately incorporated).
Application circuit 702 may include one or more application processor.For example, application circuit 702 may include circuit,
Such as, but not limited to: one or more single or multiple core processors.(one or more) processor may include general processor
With any combination of application specific processor (for example, graphics processor, application processor etc.).Processor can be with memory/storage
Device is coupled or may include storage/memory, and can be configured as and operate in storage/memory
The instruction of storage is so that various applications and/or operating system can be run in equipment 700.In some embodiments, it applies
The processor of circuit 702 can handle from the received IP data packet of EPC.
Baseband circuit 704 may include circuit, such as, but not limited to: one or more single or multiple core processors.Base band
Circuit 704 may include one or more baseband processor or control logic, to handle the reception signal path from RF circuit 706
Received baseband signal, and generate the baseband signal of the transmission signal path for RF circuit 706.Baseband processing circuitry 704 can
With with 702 interfaces of application circuit, to generate and handle baseband signal and control the operation of RF circuit 706.For example, some
In embodiment, baseband circuit 704 may include the third generation (3G) baseband processor 704A, forth generation (4G) baseband processor
704B, the 5th generation (5G) baseband processor 704C or for other existing generations, in exploitation or the following generation (example that will be developed
Such as, the 6th generation (6G) etc.) (one or more) other baseband processor 704D.Baseband circuit 704 is (for example, baseband processor
One or more of 704A-D) it can handle and support to be communicated via RF circuit 706 with one or more radio nets
Various radio control functions.In other embodiments, some or all of functions of baseband processor 704A-D can be included
In the module that memory 704G is stored and these functions can be executed via central processing unit (CPU) 704E.Wirelessly
Electric control function can include but is not limited to: signal modulation/demodulation, coding/decoding, radio frequency displacement etc..In some embodiments
In, the modulation/demodulation circuit of baseband circuit 704 may include that Fast Fourier Transform (FFT), precoding, and/or constellation reflect
Penetrate/demapping function.In some embodiments, the coding/decoding circuit of baseband circuit 704 may include convolution, tail biting
(tail-biting) convolution, turbo, Viterbi (Viterbi) and/or low-density checksum (LDPC) encoder/decoder
Function.The embodiment of modulating/demodulating and coder/decoder functionalities is not limited to these examples, and in other embodiments may be used
To include other functions appropriate.
In some embodiments, baseband circuit 704 may include one or more audio digital signal processors (DSP)
704F.(one or more) audio DSP 704F may include the element for compression/de-compression and echo cancellor, and at it
It may include other processing elements appropriate in his embodiment.In some embodiments, the component of baseband circuit can be appropriate
Ground combination is in one single chip, one single chip group or is disposed on same circuit board.In some embodiments, base band electricity
Some or all of road 704 and application circuit 702 composition component can be for example achieved on system on chip (SOC).
In some embodiments, baseband circuit 704 can provide the communication compatible with one or more radio technologies.Example
Such as, in some embodiments, baseband circuit 704 can support with evolved universal terrestrial radio access network (EUTRAN) or its
The communication of his wireless MAN (WMAN), WLAN (WLAN), wireless personal domain network (WPAN).Baseband circuit 704
It is configured as supporting the embodiment of the radio communication of more than one wireless protocols can be referred to as multimode baseband circuit.
RF circuit 706 can be supported to be communicated using modulated electromagnetic radiation with wireless network by non-solid medium.
In various embodiments, RF circuit 706 may include switch, filter, amplifier etc. to assist the communication with wireless network.RF
Circuit 706 may include receiving signal path, which may include to the RF letter received from FEM circuit 708
It number carries out down coversion and baseband signal is supplied to the circuit of baseband circuit 704.RF circuit 706 can also include sending signal road
Diameter, the transmission signal road may include up-conversion being carried out to baseband signal provided by baseband circuit 704 and by RF output signal
The circuit that FEM circuit 708 is supplied to be used for transmission.
In some embodiments, the reception signal path of RF circuit 706 may include mixer 706a, amplifier electricity
Road 706b and filter circuit 706c.In some embodiments, the transmission signal path of RF circuit 706 may include filtering
Device circuit 706c and mixer 706a.RF circuit 706 can also include condensating synthesizering circuit 706d, which is used for
Synthesize the frequency used for the mixer 706a for receiving signal path and transmission signal path.In some embodiments, it connects
Receive signal path mixer 706a can be configured as based on the frequency synthesis provided by condensating synthesizering circuit 706d come
Down coversion is carried out to the RF signal received from FEM circuit 708.It is downconverted that amplifier circuit 706b can be configured as amplification
Signal and filter circuit 706c can be configured as removing undesired signal from downconverted signal to generate
Export the low-pass filter (LPF) or bandpass filter (BPF) of baseband signal.Output baseband signal is provided to baseband circuit
704 for further processing.In some embodiments, output baseband signal can be zero frequency baseband signal, but this be not must
It needs.In some embodiments, the mixer 706a for receiving signal path may include passive frequency mixer, but embodiment
Range be not limited in this respect.
In some embodiments, the mixer 706a for sending signal path can be configured as based on condensating synthesizering circuit
Frequency synthesis provided by 706d carries out up-conversion to input baseband signal, to generate the RF output letter for FEM circuit 708
Number.Baseband signal can be provided by baseband circuit 704, and can be filtered by filter circuit 706c.
In some embodiments, it receives the mixer 706a of signal path and sends the mixer of signal path
706a may include two or more frequency mixers, and can be arranged to be respectively used to quadrature frequency conversion and/or up-conversion.
In some embodiments, it receives the mixer 706a of signal path and sends the mixer of signal path
706a may include two or more frequency mixers, and can be arranged to mirror image and inhibit (for example, Hartley mirror image presses down
System).In some embodiments, it receives the mixer 706a of signal path and sends the mixer 706a of signal path
It can be arranged to be respectively used to Direct-conversion and/or Direct conversion.In some embodiments, the mixed of signal path is received
Frequency device circuit 706a and the mixer 706a for sending signal path can be configured for superheterodyne operation.
In some embodiments, output baseband signal and input baseband signal can be analog baseband signal, but implement
The range of example is not limited in this respect.In some alternative embodiments, output baseband signal and input baseband signal can be
Digital baseband signal.In these alternate embodiments, RF circuit 706 may include analog-digital converter (ADC) and digital analog converter
(DAC) circuit, and baseband circuit 704 may include digital baseband interface to be communicated with RF circuit 706.
In some bimodulus embodiments, individual radio IC circuit can be provided to handle the signal of each frequency spectrum, but
It is that the range of embodiment is not limited in this respect.
In some embodiments, condensating synthesizering circuit 706d can be fractional-N type synthesizer or score N/N+1 type synthesizer,
But the range of embodiment is not limited in this respect, because other kinds of frequency synthesizer may be suitable.For example, closing
Generator circuit 706d can be delta-sigma synthesizer, frequency multiplier or the synthesizer including having the phaselocked loop of frequency divider.
Condensating synthesizering circuit 706d can be configured as based on frequency input and frequency divider control input and synthesize for RF circuit
The output frequency that 706 mixer 706a is used.In some embodiments, condensating synthesizering circuit 706d can be score N/N+
1 type synthesizer.
In some embodiments, frequency input can be provided by voltage controlled oscillator (VCO), but this is not required.Frequency dividing
Device control input can be provided by baseband circuit 704 or application processor 702 according to required output frequency.In some implementations
In example, frequency divider control input (for example, N) can be determined from look-up table based on channel indicated by application processor 702.
The condensating synthesizering circuit 706d of RF circuit 706 may include frequency divider, delay lock loop (DLL), multiplexer, Yi Jixiang
Bit accumulator.In some embodiments, frequency divider can be dual-mode frequency divider (DMD), and phase accumulator can be number
Phase accumulator (DPA).In some embodiments, DMD can be configured as input signal divided by N or N+1 (for example, being based on
Carry-out) to provide score division ratio.In some example embodiments, DLL may include one group and cascade tunable prolong
Slow element, phase detectors, charge pump and D flip-flop.In these embodiments, delay element can be configured as by
The VCO period at most resolves into Nd equal phase groupings, wherein Nd is the number of the delay element in delay line.With this
Mode, it is a VCO period that DLL, which provides negative-feedback to assist in ensuring that the total delay by delay line,.
In some embodiments, condensating synthesizering circuit 706d can be configured as the carrier frequency generated as output frequency,
And in other embodiments, output frequency can be the multiple of carrier frequency (for example, twice of carrier frequency, carrier frequency
Four times) and be used together with quadrature generator with divider circuit, there are multiple phases different from each other to generate in carrier frequency
Multiple signals of position.In some embodiments, output frequency can be LO frequency (fLO).In some embodiments, RF circuit
706 may include IQ/ polarity switch.
FEM circuit 708 may include receiving signal path, which may include being configured as operation from one
Signal that RF signal that a or mutiple antennas 710 receives, amplification receive simultaneously proposes the amplified version of received signal
Supply the circuit of RF circuit 706 for further processing.FEM circuit 708 can also include sending signal path, the transmission signal
Path may include being configured as amplifying the signal being used for transmission provided by RF circuit 706 by one or more antennas 710
In one or more antenna transmissions circuit.In various embodiments, by sending signal path or receiving signal path
Amplification can be completed only in FEM 708 in RF circuit 706, only, or complete in 708 the two of RF circuit 706 and FEM.
In some embodiments, FEM circuit 708 may include TX/RX switch, in sending mode and reception pattern operation
Between switch.FEM circuit may include receiving signal path and transmission signal path.The reception signal path of FEM circuit can be with
Including low-noise amplifier (LNA) to amplify the RF signal received, and provide the enlarged RF signal conduct received
(for example, to RF circuit 706) output.The transmission signal path of FEM circuit 708 may include for amplifying (for example, by RF electricity
What road 706 provided) power amplifier (PA) of input rf signal and for generating for (for example, by one or more days
One or more antennas in line 710) subsequent transmission RF signal one or more filters.
In some embodiments, PMC 712 can manage the power for being supplied to baseband circuit 704.Specifically, 712 PMC
It can control power supply selection, voltage scaling, battery charging or DC-DC conversion.When equipment 700 can be battery powered, example
It such as, usually may include PMC 712 when equipment is included in UE.PMC 712 can provide desired realizations size with
Power conversion efficiency is improved while heat dissipation characteristics.
Although Fig. 7 shows PMC 712 and only couples with baseband circuit 704.However, in other embodiments, PMC 712 can
Additionally or alternatively to couple with other assemblies, and other assemblies are executed with similar power management operations, it is described other
Component is such as, but not limited to application circuit 702, RF circuit 706 or FEM 708.
In some embodiments, PMC 712 can control the various electricity-saving mechanisms of equipment 700, or otherwise become
A part of the various electricity-saving mechanisms of equipment 700.For example, if equipment 700 is in RRC_Connected state, in the state
Under, when equipment 700 is expected to receive flow quickly, it is still attached to RAN node, it then can after a period of time is inactive
It can enter the state for being referred to as discontinuous reception pattern (DRX).During this state, equipment 700 can be in the of short duration time
Power-off in interval, to save electric power.
If not having data service activity within the extended period, equipment 700 may switch to RRC_Idle state,
In this state, equipment 700 and network disconnect and do not execute the operation of such as channel-quality feedback, switching etc.If
Standby 700 enter the very state of low-power and execute paging, wherein equipment 700 is periodically waken up again to listen to network
Then it powers off again.Equipment 700 can not receive data in this state, and in order to receive data, it can convert back RRC_
Connected state.
Additional battery saving mode can permit equipment within the period (range is from several seconds to a few houres) for being longer than paging interval
It is unavailable for network.During this period, equipment can not access network completely and may be fully powered-off.What is sent during this period is any
Data can all generate very big delay, and assume that delay is acceptable.
The processor of application circuit 702 and the processor of baseband circuit 704 can be used for executing the one or more of protocol stack
The element of example.For example, the processor (alone or in combination) of baseband circuit 704 can be used for 1 function of execution level 3, layer 2 or layer,
And the processor of application circuit 704 can use from these layer of received data (for example, packet data), and further execution level
4 function (for example, transport communication protocol (TCP) and User Datagram Protocol (UDP) layer).As mentioned in this article, layer 3 can be with
Including rrc layer.As mentioned in this article, layer 2 may include M AC (MAC) layer, radio link control (RLC) layer
With packet data convergence protocol (PDCP) layer.As mentioned in this article, layer 1 may include physics (PHY) layer of UE/RAN node.
Fig. 8 shows the example interface of baseband circuit in accordance with some embodiments.As described above, the baseband circuit 704 of Fig. 7
The memory 704G that may include processor 704A-704E and used by the processor.It is each in processor 704A-704E
It is a to respectively include memory interface 804A-804E, with sent to/from memory 704G/receive data.
Baseband circuit 704 can also include one or more interfaces, to be communicably coupled to other circuit/equipment, such as
Memory interface 812 (for example, interface for sending/receiving data to/from the memory outside baseband circuit 704), application
Circuit interface 814 (for example, for 702 transmissions of application circuit/reception data interface to/from Fig. 7), RF circuit interface 816
(for example, for 706 transmissions of RF circuit/reception data interface to/from Fig. 7), radio hardware connecting interface 818 (for example, with
It is sent out in to/from near-field communication (NFC) component, bluetooth module (for example, Bluetooth Low Energy), Wi-Fi component and other communication components
Send/receive the interface of data) and electrical management interface 820 (for example, for to/from 712 transmissions of PMC/reception electric power or control
The interface of signal processed).
Fig. 9 be show according to some example embodiments can be from machine readable or computer-readable medium (for example, non-
Temporary machine readable storage medium) read the component for instructing and executing any one or more of method discussed herein
Block diagram.Specifically, Fig. 9 shows the graphic representation mode of hardware resource 900 comprising one or more processors (or processing
Device core) 910, one or more memory/storage 920 and one or more communication resources 930, they each can lead to
Bus 940 is crossed to be communicatively coupled.It, can be with executive supervisor 902 for the embodiment using node virtual (for example, NFV)
To provide the performing environment for utilizing hardware resource 900 for one or more network slice/sub- slices.
Processor 910 is (for example, central processing unit (CPU), reduced instruction set computing (RISC) processor, complicated order
Collection calculate (CISC) processor, graphics processing unit (GPU), such as baseband processor etc digital signal processor (DSP),
Specific integrated circuit (ASIC), RF IC (RFIC), another processor or its any suitable combination) it may include example
Such as processor 912 and processor 914.
Memory/storage 920 may include main memory, magnetic disk storage or its any suitable combination.Storage
Device/storage equipment 920 can include but is not limited to any kind of volatibility or nonvolatile memory, such as dynamic random is deposited
Access to memory (DRAM), static random access memory (SRAM), Erasable Programmable Read Only Memory EPROM (EPROM), electrically erasable
Except programmable read only memory (EEPROM), flash memory, solid-state storage device etc..
The communication resource 930 may include interconnection or network interface components or other suitable equipment, with via network 908 with
One or more peripheral equipments 904 or one or more databases 906 communicate.For example, the communication resource 930 may include cable modem
Believe component (for example, for coupling via universal serial bus (USB)), cellular communication component, NFC component, bluetooth module (example
Such as, Bluetooth Low Energy), Wi-Fi component and other communication components.
Instruction 950 may include software, program, application, applet, app or other executable codes, for make to
Few any processor 910 executes any one or more of method discussed in this article.Instruction 950 can be completely or partially resident
In processor 910 (for example, in buffer storage of processor), memory/storage 920 or its any suitable combination
At least one of in.In addition, any part of instruction 950 can be by any combination from peripheral equipment 904 or database 906
It is transmitted to hardware resource 900.Therefore, processor 910, memory/storage 920, peripheral equipment 904 and database 906
Memory is computer-readable and machine readable media example.
Following paragraphs describe the examples of various embodiments.
Example 1 includes a kind of device for being used for user equipment (UE), comprising: memory, for storing synchronous grid and frequency
Rate deviant, the frequency offseting value are greater than or equal to 50kHz;And processor, for accessing memory by memory interface,
In, processor is configured for: a set of frequencies in predetermined work frequency band is determined based on synchronous grid and frequency offseting value, for
Each frequency detecting one or more synchronization signal in this group of frequency, and based on the detected synchronous letter of one or more
It number executes and the timing or Frequency Synchronization of access node (AN).
Example 2 includes the device of example 1, wherein synchronous grid is the integral multiple of channel grid.
Example 3 includes the device of example 1 or 2, and wherein predetermined work frequency band is 6GHz or less frequency band and synchronous grid is
1200kHz, 1300kHz, 1400kHz or 1500kHz.
Example 4 includes the device of any example in example 1 to 3, wherein synchronous grid is predefined as allowing predetermined work
The maximum frequency values in the case where minimum bandwidth channel receiving synchronization signal in frequency band.
Example 5 includes the device of example 1, and wherein frequency offseting value is 100kHz or 200kHz.
Example 6 includes a kind of device for being used for user equipment (UE), comprising: memory;And processor, for passing through storage
Device interface accesses memory, wherein processor is configured for: synchronization grid based on 1200kHz and being greater than or equal to 50kHz
Frequency offseting value determine a set of frequencies in 6GHz or less frequency band, in this group of frequency each frequency detecting one or
Multiple synchronization signals, and timing or frequency based on detected one or more synchronization signals execution with access node (AN)
Rate is synchronous;And wherein, memory is for storing synchronous grid and frequency offseting value.
Example 7 includes the device of example 6, and wherein frequency offseting value is 100kHz or 200kHz.
The device of example 8 including example 6, wherein processor be additionally configured to according to formula N*1200kHz+M*50kHz come
Determine described a set of frequencies, wherein N=1:2250 or N=0:2250, and M=0:1:2.
Example 9 includes a kind of device for being used for access node (AN), comprising: memory, for storing synchronous grid and frequency
Rate deviant, the frequency offseting value are greater than or equal to 50kHz;And processor, for accessing memory by memory interface,
In, processor is configured for: a set of frequencies in predetermined work frequency band is determined based on synchronous grid and frequency offseting value, and
One or more synchronization signals are sent to user equipment (UE) by one or more frequencies in this group of frequency.
Example 10 includes the device of example 9, wherein synchronous grid is the integral multiple of channel grid.
Example 11 includes the device of example 9 or 10, and wherein predetermined work frequency band is 6GHz or less frequency band and synchronous grid
For 1200kHz, 1300kHz, 1400kHz or 1500kHz.
Example 12 includes the device of any example in example 9 to 11, wherein synchronous grid is predefined as allowing predetermined work
Make the maximum frequency values in the case that the minimum bandwidth channel in frequency band accommodates synchronization signal.
Example 13 includes the device of example 9, and wherein frequency offseting value is 100kHz or 200kHz.
Example 14 includes a kind of device for being used for access node (AN), comprising: memory;And processor, for by depositing
Memory interface accesses memory, wherein processor is configured for: synchronization grid based on 1200kHz and being greater than or equal to
The frequency offseting value of 50kHz determines a set of frequencies in 6GHz or less frequency band, and by one or more of this group of frequency
Frequency sends one or more synchronization signals to user equipment (UE);And wherein, memory is for storing synchronous grid and frequency
Rate deviant.
Example 15 includes the device of example 14, and wherein frequency offseting value is 100kHz or 200kHz.
Example 16 includes the device of example 14, and wherein processor is additionally configured to according to formula N*1200kHz+M*50kHz
Determine described a set of frequencies, wherein N=1:2250 or N=0:2250, and M=0:1:2.
Example 17 includes a kind of method executed at user equipment (UE), comprising: based on synchronous grid and is greater than or waits
A set of frequencies in predetermined work frequency band is determined in the frequency offseting value of 50kHz;For each frequency detecting in this group of frequency
One or more synchronization signals;And it is executed based on detected one or more synchronization signals and is determined with access node (AN)
When or Frequency Synchronization.
Example 18 includes the method for example 17, wherein synchronous grid is the integral multiple of channel grid.
Example 19 includes the method for example 17 or 18, and wherein predetermined work frequency band is 6GHz or less frequency band and synchronous grid
For 1200kHz, 1300kHz, 1400kHz or 1500kHz.
Example 20 includes the method for any example in example 17 to 19, wherein synchronous grid is predefined as allowing predetermined work
Make the maximum frequency values in the case that the minimum bandwidth channel in frequency band accommodates synchronization signal.
Example 21 includes the method for example 17, and wherein frequency offseting value is 100kHz or 200kHz.
Example 22 includes a kind of method executed at user equipment (UE), comprising: synchronization grid based on 1200kHz and
Frequency offseting value more than or equal to 50kHz determines a set of frequencies in 6GHz or less frequency band;For every in this group of frequency
A frequency detecting one or more synchronization signal;And it is executed based on detected one or more synchronization signals and is saved with access
The timing or Frequency Synchronization of point (AN).
Example 23 includes the method for example 22, and wherein frequency offseting value is 100kHz or 200kHz.
Example 24 includes the method for example 22, wherein determining that a set of frequencies in 6GHz or less frequency band includes according to formula N*
1200kHz+M*50kHz determines described a set of frequencies, wherein N=1:2250 or N=0:2250, and M=0:1:2.
Example 25 includes a kind of method executed at access node (AN), comprising: based on synchronous grid and is greater than or waits
A set of frequencies in predetermined work frequency band is determined in the frequency offseting value of 50kHz, and by one or more of this group of frequency
Frequency sends one or more synchronization signals to user equipment (UE).
Example 26 includes the method for example 25, wherein synchronous grid is the integral multiple of channel grid.
Example 27 includes the method for example 25 or 26, and wherein predetermined work frequency band is 6GHz or less frequency band and synchronous grid
For 1200kHz, 1300kHz, 1400kHz or 1500kHz.
Example 28 includes the method for any example in example 25 to 27, wherein synchronous grid is predefined as allowing predetermined work
Make the maximum frequency values in the case that the minimum bandwidth channel in frequency band accommodates synchronization signal.
Example 29 includes the method for example 25, and wherein frequency offseting value is 100kHz or 200kHz.
Example 30 includes a kind of method executed at access node (AN), comprising: synchronization grid based on 1200kHz and
Frequency offseting value more than or equal to 50kHz determines a set of frequencies in 6GHz or less frequency band;And by this group of frequency
One or more frequencies send one or more synchronization signals to user equipment (UE).
Example 31 includes the method for example 30, and wherein frequency offseting value is 100kHz or 200kHz.
Example 32 includes the method for example 30, wherein determining that a set of frequencies in 6GHz or less frequency band includes according to formula N*
1200kHz+M*50kHz determines described a set of frequencies, wherein N=1:2250 or N=0:2250, and M=0:1:2.
Example 33 includes a kind of device for being used for user equipment (UE), comprising: for based on synchronous grid and being greater than or waiting
The component of a set of frequencies in predetermined work frequency band is determined in the frequency offseting value of 50kHz;For for every in this group of frequency
The component of a frequency detecting one or more synchronization signal;And for being held based on detected one or more synchronization signals
Capable and the timing of access node (AN) or the component of Frequency Synchronization.
Example 34 includes the device of example 33, wherein synchronous grid is the integral multiple of channel grid.
Example 35 includes the device of example 33 or 34, and wherein predetermined work frequency band is 6GHz or less frequency band and synchronous grid
For 1200kHz, 1300kHz, 1400kHz or 1500kHz.
Example 36 includes the device of any example in example 33 to 35, wherein synchronous grid is predefined as allowing predetermined work
Make the maximum frequency values in the case that the minimum bandwidth channel in frequency band accommodates synchronization signal.
Example 37 includes the device of example 33, and wherein frequency offseting value is 100kHz or 200kHz.
Example 38 includes a kind of device for being used for user equipment (UE), comprising: for based on 1200kHz synchronization grid and
Frequency offseting value more than or equal to 50kHz determines the component of a set of frequencies in 6GHz or less frequency band;For being directed to the group
The component of each frequency detecting one or more synchronization signal in frequency;And for based on detected one or more
Synchronization signal executes and the timing of access node (AN) or the component of Frequency Synchronization.
Example 39 includes the device of example 38, and wherein frequency offseting value is 100kHz or 200kHz.
Example 40 includes the device of example 38, wherein being used to determine that the component of a set of frequencies in 6GHz or less frequency band to include
For determining the component of described a set of frequencies according to formula N*1200kHz+M*50kHz, wherein N=1:2250 or N=0:
2250, and M=0:1:2.
Example 41 includes a kind of device for being used for access node (AN), comprising: for based on synchronous grid and being greater than or waiting
The component of a set of frequencies in predetermined work frequency band is determined in the frequency offseting value of 50kHz, is used for and by this group of frequency
One or more frequencies send the component of one or more synchronization signals to user equipment (UE).
Example 42 includes the device of example 41, wherein synchronous grid is the integral multiple of channel grid.
Example 43 includes the device of example 41 or 42, and wherein predetermined work frequency band is 6GHz or less frequency band and synchronous grid
For 1200kHz, 1300kHz, 1400kHz or 1500kHz.
Example 44 includes the device of any example in example 41 to 43, wherein synchronous grid is predefined as allowing predetermined work
Make the maximum frequency values in the case that the minimum bandwidth channel in frequency band accommodates synchronization signal.
Example 45 includes the device of example 41, and wherein frequency offseting value is 100kHz or 200kHz.
Example 46 includes a kind of device for being used for access node (AN), comprising: synchronization grid based on 1200kHz and is greater than
Or the frequency offseting value equal to 50kHz determines a set of frequencies in 6GHz or less frequency band;And by one in this group of frequency
Or multiple frequencies send one or more synchronization signals to user equipment (UE).
Example 47 includes the device of example 46, and wherein frequency offseting value is 100kHz or 200kHz.
Example 48 includes the device of example 46, wherein being used to determine that the component of a set of frequencies in 6GHz or less frequency band to include
For determining the component of described a set of frequencies according to formula N*1200kHz+M*50kHz, wherein N=1:2250 or N=0:
2250, and M=0:1:2.
Example 49 includes a kind of computer-readable medium, is stored thereon with instruction, described instruction is by user equipment (UE)
Processor make method of the processor for executing such as any example in example 17 to 24 when executing.
Example 50 includes a kind of computer-readable medium, is stored thereon with instruction, described instruction is by access node (AN)
Processor make method of the processor for executing such as any example in example 25 to 32 when executing.
Example 51 includes the user equipment (UE) as described in the specification with shown in.
Example 52 includes the access node (AN) as described in the specification with shown in.
Example 53 includes the method executed at user equipment (UE) with shown in as described in the specification.
Example 54 includes the method executed at access node (AN) with shown in as described in the specification.
Although described herein and describe some embodiments for purposes of description, the disclosure is not being departed from
In the case where range, in order to which the various substitutions and/or equivalent integers or implementation realizing identical purpose and plan can be replaced
For shown and described embodiment.This application is intended to cover any reorganizations or variation of embodiments described herein.Cause
This, it can be readily appreciated that embodiment described herein only limited by appended claims and its equivalency range.
Claims (20)
1. the device that one kind is used for user equipment (UE), comprising:
Memory, for storing synchronous grid and frequency offseting value, the frequency offseting value is greater than or equal to 50kHz;With
Processor, for accessing the memory by memory interface,
Wherein, the processor is configured for:
A set of frequencies in predetermined work frequency band is determined based on the synchronous grid and the frequency offseting value,
For each frequency detecting one or more synchronization signal in described a set of frequencies, and
It is executed based on detected one or more synchronization signals and the timing or Frequency Synchronization of access node (AN).
2. the apparatus according to claim 1, wherein the synchronous grid is the integral multiple of channel grid.
3. device according to claim 1 or 2, wherein the predetermined work frequency band is 6GHz or less frequency band, and described
Synchronous grid is 1200kHz, 1300kHz, 1400kHz or 1500kHz.
4. according to claim 1 to device described in any claim in 3, wherein the synchronous grid is predefined as allowing
The maximum frequency values in the case where minimum bandwidth channel receiving synchronization signal in the predetermined work frequency band.
5. the apparatus according to claim 1, wherein the frequency offseting value is 100kHz or 200kHz.
6. the device that one kind is used for user equipment (UE), comprising:
Memory;With
Processor, for accessing the memory by memory interface,
Wherein, the processor is configured for:
It is determined in 6GHz or less frequency band based on the synchronization grid of 1200kHz and the frequency offseting value more than or equal to 50kHz
A set of frequencies,
For each frequency detecting one or more synchronization signal in described a set of frequencies, and
It is executed based on detected one or more synchronization signals and the timing or Frequency Synchronization of access node (AN);And
Wherein, the memory is for storing the synchronous grid and the frequency offseting value.
7. device according to claim 6, wherein the frequency offseting value is 100kHz or 200kHz.
8. device according to claim 6, wherein the processor is additionally configured to according to formula N*1200kHz+M*
50kHz determines described a set of frequencies, wherein N=1:2250 or N=0:2250, and M=0:1:2.
9. the device that one kind is used for access node (AN), comprising:
Memory, for storing synchronous grid and frequency offseting value, the frequency offseting value is greater than or equal to 50kHz;With
Processor, for accessing the memory by memory interface,
Wherein, the processor is configured for:
A set of frequencies in predetermined work frequency band is determined based on the synchronous grid and the frequency offseting value, and
One or more synchronization signals are sent to user equipment (UE) by one or more frequencies in described a set of frequencies.
10. device according to claim 9, wherein the synchronous grid is the integral multiple of channel grid.
11. device according to claim 9 or 10, wherein the predetermined work frequency band is 6GHz or less frequency band, and institute
Stating synchronous grid is 1200kHz, 1300kHz, 1400kHz or 1500kHz.
12. the device according to any claim in claim 9 to 11, wherein the synchronous grid is predefined as permitting
Perhaps the maximum frequency values in the case where minimum bandwidth channel receiving synchronization signal in the described predetermined work frequency band.
13. device according to claim 9, wherein the frequency offseting value is 100kHz or 200kHz.
14. the device that one kind is used for access node (AN), comprising:
Memory;With
Processor, for accessing the memory by memory interface,
Wherein, the processor is configured for:
It is determined in 6GHz or less frequency band based on the synchronization grid of 1200kHz and the frequency offseting value more than or equal to 50kHz
A set of frequencies, and
One or more synchronization signals are sent to user equipment (UE) by one or more frequencies in described a set of frequencies;And
Wherein, the memory is for storing the synchronous grid and the frequency offseting value.
15. device according to claim 14, wherein the frequency offseting value is 100kHz or 200kHz.
16. device according to claim 14, wherein the processor is additionally configured to according to formula N*1200kHz+M*
50kHz determines described a set of frequencies, wherein N=1:2250 or N=0:2250, and M=0:1:2.
17. a kind of computer-readable medium for being stored with instruction, described instruction by the processor of user equipment (UE) when being executed
So that the processor is used for:
A set of frequencies in 6GHz or less frequency band is determined based on synchronous grid and the frequency offseting value more than or equal to 50kHz;
For each frequency detecting one or more synchronization signal in described a set of frequencies;And
It is executed based on detected one or more synchronization signals and the timing or Frequency Synchronization of access node (AN).
18. computer-readable medium according to claim 17, wherein described instruction is by the processor execution of the UE
When the processor is also used to:
Described a set of frequencies is determined according to formula N*1200kHz+M*50kHz, wherein N=1:2250 or N=0:2250, and
And M=0:1:2.
19. a kind of computer-readable medium for being stored with instruction, described instruction by the processor of access node (AN) when being executed
So that the processor is used for:
A set of frequencies in 6GHz or less frequency band is determined based on synchronous grid and the frequency offseting value more than or equal to 50kHz;
And
One or more synchronization signals are sent to user equipment (UE) by one or more frequencies in described a set of frequencies.
20. computer-readable medium according to claim 19, wherein described instruction is by the processor execution of the AN
When the processor is also used to:
Described a set of frequencies is determined according to formula N*1200kHz+M*50kHz, wherein N=1:2250 or N=0:2250, and
And M=0:1:2.
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US201862657609P | 2018-04-13 | 2018-04-13 | |
US62/657,609 | 2018-04-13 | ||
US201862658424P | 2018-04-16 | 2018-04-16 | |
US62/658,424 | 2018-04-16 |
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