CN108513693A

CN108513693A - Reference signal and Physical Broadcast Channel for 5G systems

Info

Publication number: CN108513693A
Application number: CN201680076546.2A
Authority: CN
Inventors: 熊岗; 朱源; 张羽书; J-K·方
Original assignee: Intel IP Corp
Current assignee: Apple Inc
Priority date: 2016-01-27
Filing date: 2016-06-01
Publication date: 2018-09-07
Also published as: CN113765647A; WO2017131806A1

Abstract

Describe the method and apparatus for transmission beam figuration reference signal (BRS) and Physical Broadcast Channel (PBCH) in 5G systems.Also describe the scheme for BRS and PBCH to be mapped to resource element.In some embodiments, BRS and PBCH resource elements are mapped to single OFDM symbol.BRS can be used to demodulate PBCH, or dedicated demodulation reference signal may be used for the purpose.

Description

Reference signal and Physical Broadcast Channel for 5G systems

Priority claim

This application claims the U.S. Provisional Patent Applications for the Serial No. 62/287,791 submitted on January 27th, 2016 Priority, the latter are incorporated herein by reference in their entirety.

Technical field

Embodiment described herein relate in general to wireless networks and communication system.Some embodiments are related to including 3GPP ( Three generations's partner program) bee including network, 3GPP LTE (long term evolution) networks and 3GPP LTE-A (LTE is advanced) network Nest communication network, but the scope of embodiment is unrestricted in this regard.

Background technology

Mobile communication significantly evolves to current highly complex integrated communications platform from early stage voice system.4th Generation (4G) LTE network is widely deployed now, to provide service in various frequency allocations according to frequency spectrum system.Recently, it surrounds The design of next-generation (that is, the 5th generation (5G)) wireless communication technique starts the notable impetus occur.

Next-Generation Wireless Communication Systems (5G) will be provided whenever and wherever possible by various users and using the access sum number to information According to it is shared.It is expected that 5G is by as unified network/system, target is to meet performance rule that are completely different and conflicting sometimes Lattice and service.In general, 5G will be based on, 3GPP LTE will be advanced and other potential new wireless access technology (RAT) evolution, to provide More preferably, simpler, there are no the wireless connection solutions of seam.

High band communication has caused industry greatly to be paid attention to, because it can provide broader bandwidth to support future Integrated communication system.Wave beam forming is the key technology for realizing high band system.Beam forming gain can be compensated by big laboured breathing Serious path loss, improvement SNR, increase coverage domain caused by subtracting.By the way that transmission beam is registered to target UE, radiation Energy is focused to obtain higher energy efficiency, and mutually UE interference is suppressed.The principal concern of the disclosure is broadcast The transmission of signal and wave beam forming reference signal.

Description of the drawings

Fig. 1 shows example UE and eNB in accordance with some embodiments.

Fig. 2 shows the examples of synchronizing signal resource impact in accordance with some embodiments.

Fig. 3 shows the money in accordance with some embodiments for synchronous signal transmission, BRS and PBCH in an OFDM symbol Source maps.

Fig. 4 shows the example of PBCH and BRS resource impacts scheme in accordance with some embodiments.

Fig. 5 shows the example of the DM-RS patterns in accordance with some embodiments for PBCH demodulation.

Fig. 6 shows the example of the DM-RS patterns in accordance with some embodiments for PBCH demodulation.

Fig. 7 shows the example of the DM-RS patterns in accordance with some embodiments for PBCH demodulation.

Fig. 8 shows the example of the transmitting diversity transmission plan in accordance with some embodiments for PBCH transmission.

Fig. 9 shows the example of the resource impact of BRS and PBCH in accordance with some embodiments.

Figure 10 shows the example of the resource impact of BRS and PBCH in accordance with some embodiments.

Figure 11 shows the example of the resource impact of BRS and PBCH in accordance with some embodiments.

Figure 12 shows the example of the resource impact of BRS and PBCH in accordance with some embodiments.

Figure 13 shows the example of the resource impact of BRS and PBCH in accordance with some embodiments.

Figure 14 shows the example of the resource impact of BRS and PBCH in accordance with some embodiments.

Figure 15 shows the example of the resource impact of BRS and PBCH in accordance with some embodiments.

Figure 16 shows the example of the frequency hopping in accordance with some embodiments for PBCH transmission.

Figure 17 shows the example of user equipment (ue) device in accordance with some embodiments.

Figure 18 shows the example of computing machine in accordance with some embodiments.

Specific implementation mode

In long term evolution (LTE) system, mobile terminal (be known as user equipment or UE) be connected via an air interface to by The cell of base station (being known as evolution node B or eNB) service.Fig. 1 shows the example of UE 400 and base station or the component of eNB 300. ENB 300 includes processing circuit 301, is connected to the wireless set 302 for providing air interface.UE 400 includes place Circuit 401 is managed, the wireless set 402 for providing interface is connected to.Each transceiver in equipment is connected to antenna 55。

The physical layer of LTE is based on orthogonal frequency division multiplexing (OFDM), and for uplink, be based on for downlink The relevant technologies (single carrier frequency division is multiplexed (SC-FDM)).In OFDM/SC-FDM, according to such as QAM's (quadrature amplitude modulation) The complex modulation symbol of modulation scheme is respectively mapped to specific OFDM/SC-FDM transmitted during OFDM/SC-FDM symbols Carrier wave, referred to as resource element (RE).RE is physical resource minimum in LTE.LTE also provides MIMO (multiple-input and multiple-output) behaviour Make, wherein multiple data Layers are sent and received by mutiple antennas, and wherein, and each complex modulation symbol is mapped to more One of a transport layer, is then mapped into specific antenna port.Then, each RE is by antenna port, the subcarrier in radio frames Position and OFDM symbol index unique identification, as described below.

LTE transmission in time domain is organized into radio frames, and each radio frames have the duration of 10ms.It is each wireless Frame is made of 10 subframes, and each subframe is made of two continuous 0.5ms time slots.Each time slot for extended cyclic prefix, The OFDM symbol indexed including six, and for normal cyclic prefix, include the OFDM symbol of seven indexes.In single time slot One group of resource element corresponding with 12 continuous subcarriers is referred to as resource block (RB), or for physical layer, referred to as Physical Resource Block (PRB).

In order to access the cell serviced by eNB, UE needs to synchronize with cell and obtain particular system information.For this purpose, ENB reserves RE for periodic downlink transmission primary synchronization signal (PSS) and secondary synchronization signal (SSS), to allow UE to obtain Take frequency and sign synchronization and frame timing.The also reserved RE of eNB access institute for transmission by Physical Broadcast Channel (PBCH) The system information needed.PBCH carries Master Information Block (MIB) comprising configures related letter with the bandwidth and control channel of cell Breath.

It is described below for transmission beam figuration reference signal (BRS) and Physical Broadcast Channel in 5G systems (PBCH) method and apparatus.Also describe the scheme for BRS and PBCH to be mapped to resource element.In following description In, the reference of PBCH and MIB should be usually understood to respectively to refer to 5G PBCH and MIB, without referring to currently in LTE The PBCH and MIB used.In the accompanying drawings, 5G PBCH are denoted as xPBCH.

In one embodiment of 5G systems, synchronizing signal, wave beam forming reference signal (BRS) and 5G can be designed as follows Physical Broadcast Channel (PBCH).Primary synchronization signal (PSS) with it is currently identical defined in LTE.For exporting physical area mark Know (PCI) secondary synchronization signal (SSS) occupy 6 continuous physical resource blocks, sequence with it is currently identical defined in LTE. Extension synchronizing signal (ESS) be further provided be useful for supporting subframe timing at least 12 or 14 sequences (symbol in subframe, That is, 0,1 ..., 11 or 0,1 ..., 13).ESS use with the identical sequence that is defined for SSS and occupy 6 it is continuous PRB.The resource impact of synchronizing signal (PSS/SSS/ESS) is as shown in Figure 2.

In one embodiment, distributed BRS sequences, which are crossed over, removes the occupied centres (that is, not including) PSS, ESS and SSS Entire frequency band except 18 PRB (that is, " retaining zone ").For different beam-shaped antenna ports, frequency division multiplexing is used (FDM) intertexture BRS RE.PBCH in single OFDM symbol with PSS/ESS/SSS/ distribution BRS frequency division multiplexings.Fig. 3 shows to use In the resource impact of synchronous signal transmission, BRS and PBCH in an OFDM symbol.Note that BRS is transmitted, it is multiple with frequency division Different beam-shaped antenna ports is multiplexed with (FDM) mode.The BRS transmission being assumed to be in each symbol defines K AP, and It is BRS transmission distribution N in a subframe_symA OFDM symbol, then the sum for the AP of BRS transmission in a subframe can To be calculated as KN_sym。

As set forth above, it is possible to transmit PBCH in a symbol.The channel that whether can be used for PBCH depending on BRS is estimated Meter is described below and the related different embodiments of transmission plan for PBCH.

Transmission plan for PBCH

In one embodiment, it without embedded DRS (Dedicated Reference Signal) in PBCH transmission, is changed to carry out PBCH letters using BRS Estimate in road.Fig. 4 shows an example of PBCH and BRS resource impact schemes.In this example, between two PBCH transmission blocks BRS is transmitted, and intermediate BRS can be used for the channel estimation of PBCH.PBCH is demodulated and decoded, for BRS transmission Relationship between transmitting (Tx) wave beam or antenna port (AP) and the AP transmitted for PBCH can pre-define in specification, or Person is configured by higher via come the RRC signaling of autonomous cell or LTE cells in dependent deployment scenario.In other words, UE The channel estimation of PBCH can be exported based on the channel estimation from BRS.PBCH is transmitted, single AP or more can be used A AP, such as 2.In the previous case, the AP transmitted for PBCH is expressed as AP#100；And for latter situation, The AP transmitted for PBCH is expressed as AP#100 and AP#101.In an example it is assumed that K=4 and N_sym=12, It, can be from BRS AP# (0+4n in the case where carrying out xPBCH transmission using single AP_sym) mod K and AP# (1+4n_sym) Mod K export n-th_symA symbol (n_sym=0 ..., 11) channel estimation of the xPBCH AP#100 on, wherein mod is mould fortune It calculates.In another example, it is assumed that K=8 and N_sym=12, in the case where carrying out PBCH transmission using two AP, Ke Yicong BRS AP#(0+8·n_sym) mod 8 and AP# (1+8n_sym) mod 8 exports the channel estimation of PBCH AP#100；And it can be from BRS AP#(4+8·n_sym) mod 8 and AP# (5+8n_sym) mod 8 exports the channel estimation of PBCH AP#101.Alternatively, PBCH can use the polymerization Tx wave beams from BRS AP.For example, it is assumed that K=4 and N_symFirst piece of=12, PBCH can be with Using the polymerization wave beam from BRS AP 0 and 1, and second piece of PBCH can use the wave beam from BRS AP 2 and 3. Estimation channel can be obtained as following：

Wherein,Indicate the channel estimated from two BRS AP.

In another embodiment, dedicated demodulation reference signal (DM-RS) is defined for PBCH channel estimations.In addition, depending on In the quantity of the AP for PBCH, it may be considered that different transmission plans.In the case where carrying out PBCH transmission using an AP, Single port transmission plan may be used in PBCH.In the case where carrying out PBCH transmission using two or more AP, may be used Space frequency block coding (SFBC) or the transmitting diversity recycled based on every RE.Can based on defined in such as LTE specification it is pseudo- with Machine sequence generates DM-RS.Furthermore, it is possible to according to OFDM symbol number and/or physical district ID or physical vlan cell ID come just Beginningization pseudo random sequence generator.

Depending on the quantity of resource element distributed for each PBCH blocks and for the quantity of the PBCH AP transmitted, Ke Yiti For the different options for DM-RS patterns.Fig. 5 and Fig. 6 shows to be used for single port when PBCH occupies 8 RE and 12 RE respectively The example of the DM-RS patterns of transmission.Note that can be that two-port PBCH transmission defines similar pattern.Fig. 7 shows to account for as PBCH With an example of the DM-RS patterns of the PBCH for being transmitted with two AP when 12 RE.Can use frequency division multiplexing (FDM) or Code division multiplexing (CDM) is multiplexed the DM-RS for the two AP.In the case of carrying out CDM multiplexings between two AP, each AP The orthogonal covering codes (OCC) of upper application can be as defined in the following table 1.

Table 1. is directed to the OCC of two AP

Antenna port p	[w_p(0)_p(1)]
		100	[1 1]
101	[1 -1]

In the case where SFBC is applied to PBCH transmission, two continuous RE can be used for PBCH transmission.Based on every In the case that the transmitting diversity of RE cycles is applied to PBCH transmission, the half RE in an AP can be used for PBCH transmission, and The other half RE holdings are not used.Fig. 8 shows an example for the PBCH Tx diversity transmission schemes transmitted.In this example In, 0 indicates RE associated with AP#100, and 1 indicates RE associated with AP#101.Physical district ID can be included in by PBCH carry 5G Master Information Block (MIB) in or by cyclic redundancy check (CRC) it is masked (mask), to allow UE to verify Whether PBCH is successfully decoded and/or for generating special DM-RS associated with PBCH.In addition, in order to reduce UE power consumptions, phase Same Tx wave beams can be applied to both synchronizing signal and PBCH transmission.

Resource impact for BRS and PBCH

As described above, distribution BRS and PBCH can in an OFDM symbol in a manner of FDM with other synchronizing signals (that is, PSS, SSS and ESS) is multiplexed.In addition, do not include for synchronizing signal reserve 18 PRB in centre frequency resource in pass Defeated BRS and PBCH.In order to allow to be correctly decoded to PBCH, each PBCH transmission blocks point can be defined previously as in specification The quantity of the RE matched.In addition, PBCH blocks can cross over whole system bandwidth to obtain better link budget.It is described below and uses In the related embodiment of resource impact scheme that BRS and PBCH is transmitted.

In one embodiment, it is adjacent to transmission PBCH with the synchronizing signal including PSS/SSS/ESS.In addition, BRS is occupied Remaining RE in one OFDM symbol.In view of PBCH and BRS are transmitted using different frequency resources, it may be necessary to be PBCH is inserted into special DM-RS.Fig. 9 shows an example of the resource impact of BRS and PBCH, will be referred to as option 1.

In another embodiment, intertexture BRS and PBCH RE in a frequency domain.Furthermore, it is possible to be fixed as in specification each The quantity of the RE of BRS blocks distribution, such as K_max, wherein K_maxIt is considered the Tx that can be supported at eNB in a symbol The maximum quantity of wave beam.Depending on eNB architecture capabilities, eNB can only use K (K ＜ K in a symbol_max) a wave beam forming AP To send BRS.In this case, in a BRS block, (K_max- K) a RE can be not used.Figure 10 is shown for being claimed The resource impact transmitted for the exemplary BRS and PBCH of option 2.Note that in the option, the quantity of the AP for BRS transmission (that is, K) can be indicated in the 5G Master Information Block (MIB) carried by PBCH, or utilize the CRC scramblings for PBCH transmission, Or it is configured via LTE links by higher.In one example, K_max=12, K=8, and be each PBCH distribution The quantity of RE is fixed as 12.Figure 11 shows another example of the resource impact of the BRS and PBCH of option 2.In this example, one In a BRS blocks, 4 RE are not used.

In another embodiment, intertexture BRS and PBCH in a frequency domain.In addition, the AP in a symbol for BRS transmission Quantity (that is, K) can be indicated via the high level for carrying out autonomous LTE cells.Figure 12 shows the BRS and PBCH that are referred to as option 3 The example of the resource impact of transmission.Note that compared with option 2, not used RE is not inserted between BRS blocks and PBCH blocks. In one example, the K=8 and quantity of RE for each xPBCH distribution is fixed as 8.Figure 13 shows the BRS and PBCH of option 3 Resource impact another example.

In another embodiment, intertexture BRS and xPBCH in a frequency domain.In addition, being inserted between xPBCH blocks and BRS blocks attached The not used RE added.Similar to option 2 and 3, K can be fixed in specification_max, and K can be included in xPBCH, or Person is configured by higher via LTE links.Figure 14 shows the resource impact transmitted for BRS and PBCH for being referred to as option 4 This scheme example.In one example, K_max=12, K=8 and the quantity of RE for each PBCH distribution is fixed as 8.Figure 15 shows another example of the resource impact of the BRS and PBCH of option 4.In this example, between BRS blocks and PBCH blocks It is inserted into 8 not used RE.

Note that for option 4, for different OFDM symbols, the frequency location of PBCH blocks can be identical or different.Rear In the case of one kind, frequency hopping pattern can be defined according to physical district ID and notation index, to realize that inter-cell interference is randomized. Particularly, the starting frequency position of each PBCH blocks transmission can be defined as

Wherein,It is physical district ID, and n_symIt is notation index.Figure 16 is shown for the PBCH frequency hoppings transmitted One example.Alternatively, the starting frequency position of each PBCH blocks transmission can be by physical district ID, notation index and subframe rope Determination is attracted, the verification to cell search results is may be used as.

Example UE descriptions

As used herein, term " circuit " may refer to following item, be part of it, or including them：It is special Integrated circuit (ASIC), electronic circuit, the processor (shared, special or group) for executing one or more softwares or firmware program Or memory (shared, special or group), combinational logic circuit and/or other suitable hardware groups that described function is provided Part.In some embodiments, circuit may be implemented in one or more softwares or firmware module, or associated with circuit Function can be realized by one or more softwares or firmware module.In some embodiments, circuit may include at least partly The logic that ground can operate within hardware.

Embodiment described herein can use in hardware and/or the software realization to system of any suitable configurations.Figure 17 show the exemplary components of user equipment (UE) equipment 100 about one embodiment.In some embodiments, UE equipment 100 can With include application circuit 102, baseband circuit 104, radio frequency (RF) circuit 106, front-end module (FEM) circuit 108 and one or Mutiple antennas 110, at least it is coupled as shown together.

Application circuit 102 may include one or more application processor.For example, application circuit 102 may include for example But it is not limited to the circuit of one or more single core processors or multi-core processor.Processor may include general processor and special Any combinations of processor (for example, graphics processor, application processor etc.).Processor can be coupled in and/or may include Memory/storage, and can be configured as：Execute the instruction that is stored in memory/storage so that various applications and/ Or operating system can operate in system.

Baseband circuit 104 may include the electricity of such as, but not limited to one or more single core processors or multi-core processor Road.Baseband circuit 104 may include one or more baseband processor and/or control logic, to handle connecing from RF circuits 106 It receives the baseband signal that signal path receives and generates the baseband signal of the transmission signal path for RF circuits 106.Base band Circuit 104 can be with application circuit 102 into line interface, for generating and handling baseband signal and control RF circuits 106 Operation.For example, in some embodiments, baseband circuit 104 may include the second generation (2G) baseband processor 104a, the third generation (3G) baseband processor 104b, forth generation (4G) baseband processor 104c and/or in other existing generation, exploitations or will In other baseband processor 104d in the generation (for example, the 5th generation (5G), 6G etc.) of future exploitation.Baseband circuit 104 is (for example, base One or more of provided with processor 104a-d) it can handle so that via RF circuits 106 and one or more radio nets The various radio control functions that are possibly realized of communication.Radio control functions can include but is not limited to signal modulation/solution Tune, coding/decoding, radio frequency displacement etc..In some embodiments, the modulation/demodulation circuit of baseband circuit 104 may include fast Fast Fourier transform (FFT), precoding and/or constellation mapping/demapping function.In some embodiments, baseband circuit 104 Coding/decoding circuit may include convolution, tail biting convolution, turbo, Viterbi and/or low-density checksum (LDPC) coding Device/decoder function.The embodiment of modulating/demodulating and coder/decoder functionalities is not limited to these examples, and in other realities It may include other suitable functions to apply in example.

In some embodiments, baseband circuit 104 may include the element of protocol stack, such as evolved universal terrestrial wirelessly connects The element of (EUTRAN) agreement that networks, including such as physics (PHY) element, M AC (MAC) element, Radio Link control Make (RLC) element, Packet Data Convergence Protocol (PDCP) element and/or wireless heterogeneous networks (RRC) element.Baseband circuit 104 Central processing unit (CPU) 104e can be configured as：Run protocol stack element, for PHY layer, MAC layer, rlc layer, The signaling of PDCP layers and/or rrc layer.In some embodiments, baseband circuit may include one or more audio digital signals Processor (DSP) 104f.Audio DSP 104f may include the element for compression/de-compression and echo cancellor, and at it May include other suitable processing elements in his embodiment.In some embodiments, the component of baseband circuit can be suitable Ground combines in one single chip, one single chip group, or is arranged on identical circuit board.In some embodiments, base band Some or all of circuit 104 and application circuit 102 constitute component and may be implemented together in such as system on chip (SOC).

In some embodiments, baseband circuit 104 can provide the communication compatible with one or more radiotechnics.Example Such as, in some embodiments, baseband circuit 104 can support with evolved universal terrestrial wireless access network (EUTRAN) and/or its The communication of his wireless MAN (WMAN), WLAN (WLAN), wireless personal area network (WPAN).Baseband circuit 104 by by with It is set to and the embodiment of the radio communication of more than one wireless protocols is supported to be properly termed as multimode baseband circuit.

RF circuits 106 can enable to use the electromagnetic radiation progress and wireless network modulated by non-solid medium Communication.In various embodiments, RF circuits 106 may include switch, filter, amplifier etc., to contribute to and wireless network Communication.RF circuits 106 may include receiving signal path, may include being received from FEM circuits 108 for down coversion RF signals and the circuit that baseband signal is supplied to baseband circuit 104.RF circuits 106 can further include sending signal path, It may include the baseband signal provided for up-conversion baseband circuit 104 and RF output signals be supplied to FEM circuits 108 for transmission circuit.

In some embodiments, RF circuits 106 may include receiving signal path and transmission signal path.RF circuits 106 Reception signal path may include mixer 106a, amplifier circuit 106b and filter circuit 106c.RF circuits 106 transmission signal path may include filter circuit 106c and mixer 106a.RF circuits 106 can further include comprehensive Clutch circuit 106d, the frequency used with the mixer 106a for sending signal path for synthesized received signal path. In some embodiments, the mixer 106a for receiving signal path can be configured as：Based on synthesizer circuit 106d institutes The frequency synthesis of offer carrys out the RF signals that down coversion is received from FEM circuits 108.Amplifier circuit 106b can be configured as： Amplify the signal after down coversion, and filter circuit 106c can be low-pass filter (LPF) or bandpass filter (BPF), They are configured as：Undesired signal is removed from the signal after down coversion, to generate output baseband signal.Export base band letter Number it can be supplied to baseband circuit 104, for being further processed.In some embodiments, output baseband signal can be zero Frequency baseband signal, but this is not required that.In some embodiments, the mixer 106a for receiving signal path may include Passive frequency mixer, but the range of embodiment is without being limited thereto.

In some embodiments, the mixer 106a for sending signal path can be configured as：Based on synthesizer electricity The frequency synthesis that road 106d is provided carrys out up-conversion input baseband signal, to generate the RF output signals for FEM circuits 108. Baseband signal can be provided by baseband circuit 104, and can be filtered by filter circuit 106c.Filter circuit 106c can be with Including low-pass filter (LPF), but the range of embodiment is without being limited thereto.

In some embodiments, it receives the mixer 106a of signal path and sends the mixer of signal path 106a may include two or more frequency mixers, and can be arranged to quadrature frequency conversion and/or up-conversion respectively. In some embodiments, the mixer 106a for receiving signal path and the mixer 106a for sending signal path can be wrapped Two or more frequency mixers are included, and mirror image can be arranged to and inhibited (for example, Hartley mirror images inhibit).At some In embodiment, receive signal path mixer 106a and send signal path mixer 106a can respectively by Arrangement is used for Direct-conversion and/or Direct conversion.In some embodiments, the mixer 106a of signal path is received It can be configured for superheterodyne operation with the mixer 106a for sending signal path.

In some embodiments, output baseband signal and input baseband signal can be analog baseband signals, but implement The range of example is without being limited thereto.In some alternative embodiments, output baseband signal and input baseband signal can be digital basebands Signal.In these alternate embodiments, RF circuits 106 may include analog-digital converter (ADC) and digital analog converter (DAC) electricity Road, and baseband circuit 104 may include digital baseband interface, to be communicated with RF circuits 106.

In some bimodulus embodiments, individual radio IC circuits can be provided, for believing each frequency spectrum processing Number, but the range of embodiment is without being limited thereto.

In some embodiments, synthesizer circuit 106d can be decimal N synthesizers or decimal N/N+1 synthesizers, still The range of embodiment is without being limited thereto, because other kinds of frequency synthesizer can be suitable.For example, synthesizer circuit 106d Can be delta-sigma synthesizer, frequency multiplier or the synthesizer including having the phaselocked loop of frequency divider.

Synthesizer circuit 106d can be configured as：RF circuits are synthesized based on frequency input and divider control input The output frequency that 106 mixer 106a is used.In some embodiments, synthesizer circuit 106d can be decimal N/N+ 1 synthesizer.

In some embodiments, frequency input can be provided by voltage controlled oscillator (VCO), but this is not required that.It depends on Desired output frequency, divider control input can be provided by baseband circuit 104 or application processor 102.In some implementations In example, divider control input (for example, N) can be determined from look-up table based on the channel indicated by application processor 102.

The synthesizer circuit 106d of RF circuits 106 may include divider, delay phase-locked loop (DLL), multiplexer and phase Accumulator.In some embodiments, divider can be bimodulus divider (DMD), and phase accumulator can be digital phase Bit accumulator (DPA).In some embodiments, DMD can be configured as：(for example, be based on carry) by input signal divided by N or N+1, to provide division of decimal ratio.In some example embodiments, DLL may include one group of cascade tunable delay member Part, phase detectors, charge pump and D flip-flop.In these embodiments, delay element can be configured as the VCO periods It is decomposed into Nd equal phase groupings, wherein Nd is the quantity of the delay element in delay line.By this method, DLL provides negative Feedback, to assist in ensuring that the total delay by delay line is a VCO period.

In some embodiments, synthesizer circuit 106d can be configured as：Carrier frequency is generated as output frequency, and In other embodiments, output frequency can be carrier frequency multiple (for example, twice of carrier frequency, carrier frequency four Times), and be used in combination with orthogonal generator and divider circuit, to generate at the carrier frequencies relative to each other with multiple Multiple signals of out of phase.In some embodiments, output frequency can be LO frequencies (f_LO).In some embodiments, RF Circuit 106 may include IQ/ polar converters.

FEM circuits 108 may include receiving signal path, may include being configured as to from one or more antennas The 110 RF signals received are operated, and are amplified the signal received and are supplied to RF electric the amplified version for receiving signal Road 106 is for the circuit that is further processed.FEM circuits 108 can further include sending signal path, may include being configured For amplification RF circuits 106 provided for transmission signal for by one or more of one or more antennas 110 The circuit sent.

In some embodiments, FEM circuits 108 may include TX/RX switch, to be grasped in sending mode and reception pattern It is switched between work.FEM circuits may include receiving signal path and transmission signal path.The reception signal road of FEM circuits Diameter may include low-noise amplifier (LNA), and to amplify the RF signals received, and (for example, to RF circuits 106) offer is put The big RF signals received are as output.The transmission signal path of FEM circuits 108 may include：Power amplifier (PA) is used In amplification (for example, what RF circuits 106 were provided) input rf signal；And one or more filters, for generating RF signals, It is then sent for (for example, being carried out by one or more of one or more antennas 110).

In some embodiments, UE equipment 100 may include add ons, for example, memory/storage, display, camera, Sensor and/or input/output (I/O) interface.

Example machine describes

Figure 18 shows the block diagram of example machine 500, can execute any one or more technologies being discussed herein on it (for example, method).In alternative embodiments, machine 500 may be operative to autonomous device, or can connect (for example, networking) To other machines.In networked deployment, machine 500 can be in server-client network environment with server machine, client The role of terminal device or both operates.In this example, machine 500 is in point-to-point (P2P) (or other are distributed) network environment It may be used as peer machines.Machine 500 can be user equipment (UE), evolution node B (eNB), Wi-Fi access points (AP), Wi- The stations Fi (STA), personal computer (PC), tablet PC, set-top box (STB), personal digital assistant (PDA), mobile phone, intelligence electricity Words, network appliance, network router, interchanger or bridge, or can (sequentially or otherwise) execute and specify the machine Any machine of the instruction of the action to be taken.Although in addition, only showing individual machine, term " machine " also should be understood Including executing one group (or multigroup) instruction alone or in combination to realize any machine for any one or more of method being discussed herein Device set, such as cloud computing, software service (SaaS), the configuration of other computer clusters.

Example as described herein may include logic or multiple components, module or structure, or can be grasped to it Make.Module is to be able to carry out the tangible entity (for example, hardware) of specified operation, and can carry out configuration or cloth in some way It sets.In this example, circuit can be arranged (for example, in inside or relative to the external entity of such as other circuits) with specific mode For module.In this example, one or more computer systems (for example, single machine, client or server computer system) or All or part of of one or more hardware processors can be by firmware or software (for example, instruction, application obscure portions or application) It is configured to module, is operated to execute specified operation.In this example, software can reside on machine readable media.In example In, software makes hardware execute specified operation in the bottom hardware execution by module.

Therefore, term " module " is interpreted to embrace tangible entity, no matter entity be physique, special configuration (for example, Hardwired) or interim (for example, instantaneous) configuration (for example, programming) at operating or execute any behaviour described herein with specific mode Some or all of make.Consider that the example of provisional configuration module, each module need not be instantiated at any one moment.Example Such as, in the case where module includes the common hardware processor using software configuration, common hardware processor can be when different Between be configured as corresponding different module.Software can correspondingly configure hardware processor, such as at a time instance It constitutes particular module and constitutes different modules at example in different times.

Machine (for example, computer system) 500 may include hardware processor 502 (for example, central processing unit (CPU), Graphics processing unit (GPU), hardware processor core), main memory 504 and static memory 506, it is therein Some or all can communicate with one another via interconnecting link (for example, bus) 508.Machine 500 can also include display unit 510, Alphanumeric Entry Device 512 (for example, keyboard) and user interface (UI) navigation equipment 514 (for example, mouse).In example In, display unit 510, input equipment 512 and UI navigation equipments 514 can be touch-screen displays.Machine 500 can be additionally Including storage device (for example, driving unit) 516, signal generate equipment 518 (for example, loud speaker), network interface device 520 with And one or more sensors 521 are (for example, global positioning system (GPS) sensor, compass, accelerometer or other sensings Device).Machine 500 may include o controller 528, such as serial (for example, universal serial bus (USB), parallel or other have Line or wireless (for example, infrared (IR), near-field communication (NFC) etc.) connection, with one or more peripheral equipments (for example, printing Machine, card reader etc.) it is communicated or is controlled it.

Storage device 516 may include machine readable media 522, be stored thereon with embody any type as described herein or Multiple technologies or function or the one or more groups of data structures being used by it or 524 (for example, softwares) of instruction.Instruction 524 is also Can completely or at least partially it be present in during executing it by machine 500 in main memory 504, in static memory 506 Or in hardware processor 502.In this example, hardware processor 502, main memory 504, static memory 506 and storage device One in 516 or any combinations may be constructed machine readable media.

Although machine readable media 522 is illustrated as single medium, term " machine readable media " may include by with Be set to the one or more instruction of storage 524 single media or multiple media (for example, centralized or distributed database and/or Associated cache and server).

Term " machine readable media " may include can store, encode or carry the instruction executed by machine 500 and So that machine 500 is executed any medium of any one or more of technology of the disclosure, or can store, encode or carry by this A little instructions use or any medium of data structure associated there.Non-limiting machine readable media example may include solid State memory and light and magnetic medium.The specific example of machine readable media may include：Nonvolatile memory, such as partly lead Body memory equipment (for example, electrically programmable read-only memory (EPROM), electrically erasable programmable read-only memory (EEPROM)) And flash memory device；Disk, such as internal hard drive and removable disk；Magneto-optical disk；Random access memory (RAM)；And CD- ROM and DVD-ROM disks.In some instances, machine readable media may include non-transient machine readable media.Show at some In example, machine readable media may include the machine readable media for not being instant exposure signal.

Can also utilize multiple transport protocols (for example, frame relay, Internet protocol (IP), transmission control protocol (TCP), Any one of User Datagram Protocol (UDP), hypertext transfer protocol (HTTP) etc.), make via network interface device 520 Instruction 524 is sent or received on communication network 526 with transmission medium.Example communication network may include LAN (LAN), wide Domain net (WAN), packet data network (for example, internet), mobile telephone network (for example, cellular network), ordinary old style telephone (POTS) network and radio data network are (for example, be known asInstitute of Electrical and Electronics Engineers (IEEE) 802.11 mark Quasi- race is known as802.16 family of standards of IEEE), IEEE 802.15.4 family of standards, long term evolution (LTE) standard Race, Universal Mobile Communication System (UMTS) family of standards or point-to-point (P2P) network etc..In this example, network interface device 520 can To include one or more physical receptacles (for example, Ethernet jack, coaxial jack or telephone jack) or one or more days Line, to be connected to communication network 526.In this example, network interface device 520 may include mutiple antennas, to use single input At least one of multi output (SIMO), multiple-input and multiple-output (MIMO) and multiple input single output (MISO) technology carry out channel radio Letter.In some instances, network interface device 520 can be carried out wireless communication using multiuser MIMO technology." transmission is situated between term Matter ", which is understood to include, can store, encodes or carry any intangible medium of the instruction executed by machine 500, and include Number or analog communication signal or other intangible mediums for contributing to such software communication.

Additional annotations and example：

In example 1, one kind being used for the device of evolution node B (eNB), including：Processing circuit and memory, being used for will ENB is configured to provide air interface to user equipment (UE)；Wherein, circuit is additionally operable to：It generates and multiple beam-shaped antenna ends The corresponding wave beam forming reference signal (BRS) of mouth (AP)；Master Information Block (MIB) is encoded, so as in Physical Broadcast Channel (PBCH) it is transmitted on；And BRS and PBCH be mapped to and is frequency division multiplexed in same orthogonal frequency division multiplexing (OFDM) symbol Time-frequency resource elements (RE).

In example 2, any exemplary theme of this paper can optionally include, wherein AP and use for BRS transmission Relationship between the AP of PBCH transmission is predefined that the channel estimation of UE BRS AP based on one or more is allowed to lead Go out the channel estimation of PBCH.

In example 3, any exemplary theme of this paper can optionally include, wherein processing circuit is additionally operable to：Via Wireless heterogeneous networks (RRC) signaling is to UE notices for the BRS AP transmitted and for the relationship between the AP of PBCH transmission, to permit Perhaps the channel estimation of UE BRS AP based on one or more exports the channel estimation of PBCH.

In example 4, any exemplary theme of this paper can optionally include, wherein processing circuit is additionally operable to：It will ENB is configured to the RE being mapped to multiple PBCH in OFDM symbol, wherein each such PBCH be from one or more The corresponding AP transmission of BRS AP.

In example 5, any exemplary theme of this paper can optionally include, wherein processing circuit is additionally operable to：It will ENB is configured to that PBCH is mapped to RE in a manner of the aggregation transfer from AP, wherein each such AP is by one or more BRS is defined.

In example 6, any exemplary theme of this paper can optionally include, wherein processing circuit is additionally operable to：It will ENB be configured to by demodulated reference signal (DM-RS) be mapped to and the identical AP of PBCH it is corresponding and identical with PBCH RE in OFDM symbol, to allow UE based on the channel estimation of DM-RS export PBCH.

In example 6a, any exemplary theme of this paper can optionally include, wherein processing circuit is additionally operable to：It will ENB is configured to transmit the DM-RS generated based on pseudo-random sequence, which is according to OFDM symbol number and/or physics What cell ID or physical vlan cell ID was initialized.

In example 7, any exemplary theme of this paper can optionally include, wherein processing circuit is additionally operable to：It will ENB is configured to multiple DM-RS being mapped to RE corresponding with multiple AP, and wherein, and multiple DM-RS are frequency in OFDM symbol Point multiplexing or code division multiplexing.

In example 8, any exemplary theme of this paper can optionally include, wherein processing circuit is additionally operable to：It will ENB is configured so that space frequency block coding (SFBC) or PBCH is mapped to and two by the transmitting diversity that is recycled based on every RE Or more the corresponding RE of AP.

In example 8a, any exemplary theme of this paper can optionally include, wherein processing circuit is additionally operable to：Match Set eNB so that for SFBC, two continuous RE are transmitted for PBCH in groups.

In example 8b, any exemplary theme of this paper can optionally include, wherein processing circuit is additionally operable to：Match Set eNB so that for the transmitting diversity recycled based on every RE, the half RE in an AP is transmitted for PBCH, and the other half RE Holding is not used.

In example 8c, any exemplary theme of this paper can optionally include, wherein processing circuit is additionally operable to：It will ENB is configured to transmission and is included in the Master Information Block (MIB) carried by PBCH or masked by cyclic redundancy check (CRC) Physical district ID.

In example 9, any exemplary theme of this paper can optionally include, wherein processing circuit is additionally operable to：It will ENB is configured to PBCH, BRS and synchronizing signal (including primary synchronization signal (PSS), secondary synchronization signal (SSS) letter synchronous with extension Number (ESS)) it is mapped to the RE of same OFDM symbol.

In example 10, any exemplary theme of this paper can optionally include, wherein processing circuit is additionally operable to：It will ENB is configured to for PBCH to be mapped to the RE adjacent with synchronizing signal, and wherein, and BRS occupies the remaining RE in OFDM symbol.

In example 11, any exemplary theme of this paper can optionally include, wherein processing circuit is additionally operable to： Intertexture BRS and PBCH in frequency domain.

In example 11a, any exemplary theme of this paper can optionally include, wherein processing circuit is additionally operable to：Match Set eNB so that allow the RE of the maximum quantity distributed for each BRS blocks to be predefined forAnd wherein, when eNB exists K (K ＜ K are utilized in one OFDM symbol_max) a wave beam forming AP is when sending BRS, K_max- K RE are not made in a BRS block With.

In example 11b, any exemplary theme of this paper can optionally include, wherein processing circuit is additionally operable to：It will ENB is configured to send the quantity K of the AP for BRS transmission, indicates or passes through in the Master Information Block (MIB) carried by PBCH Cyclic redundancy check (CRC) for PBCH transmission is scrambled.

In example 11c, any exemplary theme of this paper can optionally include, wherein processing circuit is additionally operable to：It will ENB is configured in OFDM symbol be inserted into not used RE between PBCH and BRS blocks.

In example 12, any exemplary theme of this paper can optionally include, wherein processing circuit is additionally operable to：It will ENB is configured to that PBCH is mapped to RE at different frequency position in different OFDM symbols according to the frequency hopping pattern of definition.

In example 12a, any exemplary theme of this paper can optionally include, wherein according to physical district ID and Notation index and/or subframe index define frequency hopping pattern, and wherein, and the starting frequency position of each PBCH blocks transmission is defined For：

Wherein,It is physical district ID, and n_symIt is notation index.

In example 13, any exemplary theme of this paper can optionally include, wherein processing circuit is additionally operable to：It will ENB is configured to PBCH and synchronizing signal (including primary synchronization signal (PSS), secondary synchronization signal (SSS) and extension synchronizing signal (ESS)) it is mapped to RE corresponding with identical one or more AP.

In example 14, any exemplary theme of this paper can optionally include, wherein processing circuit includes at base band Manage device.

In example 15, any exemplary theme of this paper can optionally include：Wireless set is connected to processing Circuit；Directional antenna array is connected to wireless set and is operated by processing circuit to provide the AP for wave beam forming.

In example 16, device of the one kind for UE (user equipment) includes：Memory and processing circuit, for matching UE It is set to：Wave beam forming is demodulated in the time-frequency resource elements (RE) of frequency division multiplexing from same orthogonal frequency division multiplexing (OFDM) symbol Reference signal (BRS) and Physical Broadcast Channel (PBCH)；Master Information Block (MIB) from PBCH is decoded；And export Beam-shaped antenna corresponding with BRS port (AP).

In example 17, any exemplary theme of this paper can optionally include, wherein processing circuit is used for：Pair with For BRS transmission AP and for PBCH transmission AP between the related wireless heterogeneous networks of relationship (RRC) signaling information into Row decoding, to allow the channel estimation of UE BRS AP based on one or more to export the channel estimation of PBCH.

In example 18, any exemplary theme of this paper can optionally include, wherein processing circuit is additionally operable to：It is right PBCH in OFDM symbol is demodulated, wherein PBCH is transmitted from AP corresponding with one or more BRS.

In example 19, any exemplary theme of this paper can optionally include, wherein processing circuit is used for：To from AP identical with the PBCH and demodulated reference signal (DM-RS) transmitted in OFDM symbol identical with PBCH is demodulated, with UE is allowed to export the channel estimation of PBCH from DM-RS.

In example 20, any exemplary theme of this paper can optionally include, wherein processing circuit is additionally operable to：It is right Multiple DM-RSs corresponding with multiple AP are demodulated, and wherein, and multiple DM-RS are frequency division multiplexing or code in OFDM symbol Divide multiplexing.

In example 20a, any exemplary theme of this paper can optionally include, wherein processing circuit is additionally operable to：It will UE is configured so that space frequency block coding or the transmitting diversity that is recycled based on every RE receives PBCH from two or more AP.

In example 20b, any exemplary theme of this paper can optionally include, wherein processing circuit is additionally operable to：It will UE is configured to receive PBCH, BRS and synchronizing signal (including primary synchronization signal (PSS), secondary synchronization signal in same OFDM symbol (SSS) and extension synchronizing signal (ESS)).

In example 20c, any exemplary theme of this paper can optionally include, wherein processing circuit is additionally operable to：It will UE is configured to receive the PBCH adjacent with synchronizing signal in same OFDM symbol, and wherein, and BRS is occupied in OFMD symbols Remaining RE.

In example 20d, any exemplary theme of this paper can optionally include, wherein processing circuit is additionally operable to：It will UE is configured to receive PBCH at different frequency position in different OFDM symbols according to the frequency hopping pattern of definition.

In example 20e, any exemplary theme of this paper can optionally include, wherein according to physical district ID and Notation index and/or subframe index define frequency hopping pattern, and wherein, and the starting frequency position of each PBCH blocks transmission is defined For：

Wherein,It is physical district ID, and n_symIt is notation index.

In example 21, a kind of computer-readable medium, including instruction, instruction are held by the processing circuit of user equipment (UE) Make UE when row instruction：Receive wave beam forming reference signal (BRS) corresponding with multiple beam-shaped antenna port (AP)；In physics Master Information Block (MIB) is received on broadcast channel (PBCH)；And it receives to be mapped to and be accorded at same orthogonal frequency division multiplexing (OFDM) The BRS and PBCH of the time-frequency resource elements (RE) of frequency division multiplexing in number.

In example 22, any exemplary theme of example 21 or this paper can optionally include：For via wireless money Source controls the related information of relationship between the reception of (RRC) signaling and the AP for BRS transmission and the AP for PBCH transmission, with The channel estimation of UE BRS AP based on one or more is allowed to export the instruction of the channel estimation of PBCH.

In example 23, any exemplary theme of example 21 or this paper can optionally include：For receiving OFDM symbols The instruction of PBCH in number, wherein PBCH is transmitted from AP corresponding with one or more BRS.

In example 24, any exemplary theme of example 21 or this paper can optionally include：For from PBCH phases AP together simultaneously receives demodulated reference signal (DM-RS) in OFDM symbol identical with PBCH, to allow letters of the UE based on DM-RS Estimate the instruction of the channel estimation to export PBCH in road.

In example 25, any exemplary theme of example 21 or this paper can optionally include：For receive with it is multiple The instruction of the corresponding multiple DM-RS of AP, and wherein, multiple DM-RS are frequency division multiplexing or code division multiplexing in OFDM symbol.

In example 25a, any exemplary theme of example 21 or this paper can optionally include：For configuring UE to Use space frequency block coding or based on every RE cycle transmitting diversity come from two or more AP receive PBCH instruction.

In example 25b, any exemplary theme of example 21 or this paper can optionally include：For configuring UE to Received in same OFDM symbol PBCH, BRS and synchronizing signal (including primary synchronization signal (PSS), secondary synchronization signal (SSS) and Extend synchronizing signal (ESS)) instruction.

In example 25c, any exemplary theme of example 21 or this paper can optionally include：For configuring UE to The instruction of the PBCH adjacent with synchronizing signal is received in same OFDM symbol, and wherein, BRS occupies surplus in OFMD symbols Remaining RE.

In example 25d, any exemplary theme of example 21 or this paper can optionally include：For configuring UE to Receive the instruction of PBCH at different frequency position in different OFDM symbols according to the frequency hopping pattern of definition.

In example 25e, any exemplary theme of example 21 or this paper can optionally include, wherein according to physics Cell ID and notation index and/or subframe index define frequency hopping pattern, and wherein, the initial frequency position of each PBCH blocks transmission It sets and is defined as：

Wherein,It is physical district ID, and n_symIt is notation index.

In example 26, a method of operation eNB, including execute the processing as described in any example in example 1 to 15 The function of circuit.

In example 27, a kind of device for eNB includes for executing as described in any example in example 1 to 15 The module of the function of processing circuit.

In example 28, a kind of computer-readable medium, including instruction, it instructs in the processing electricity by evolution node B (eNB) Make the function of processing circuit of the eNB execution as described in any example in example 1 to 15 when road executes instruction.

In example 29, a method of operation UE, including execute the processing as described in any example in example 16 to 20e The function of circuit.

In example 30, a kind of device for UE includes for executing as described in any example in example 16 to 20e The module of the function of processing circuit.

Discussed in detail above includes the reference to attached drawing, and attached drawing forms a part for detailed description.Side of the attached drawing to illustrate Formula shows the specific embodiment that can be put into practice.These embodiments are also referred herein as " example ".Such example can wrap Include the element other than those of shown or described.However, it is also possible to expect include shown or described element example.This Outside, it is also conceivable to show using about particular example (or in terms of one or more) or about shown or described herein other It any combinations of element (or in terms of one or more) or is set those of shown or described in example (or one or more in terms of) The example changed.

Publication, patent and the patent document mentioned in this document are incorporated herein by reference in their entirety, as separately through It is incorporated by.If this document and the usage those of being incorporated by reference between file are inconsistent, the reference text that is incorporated to Usage in offering is the supplement to the usage of this document；For usage that is implacable inconsistent, being subject in this document.

In this document, as common in patent document, using term "a" or "an" come include one or It is more than one, and it is unrelated with "at least one" or any other example or usage of " one or more ".Unless otherwise indicated, no Then in this document, term "or" is used to refer to the "or" of nonexcludability so that " A or B " include " A rather than B ", " B rather than A " with And " A and B ".In the appended claims, term " comprising " and " wherein " are used as corresponding term "comprising" and " wherein " Plain English equivalents.In addition, in following claims, term " comprising " and "comprising" are open；That is, including System, equipment, article or the processing of element other than being listed after such word in claim are still considered as It falls into the scope of the claims.In addition, in following claims, term " first ", " second " and " third " etc. is only It is used as marking, it is no intended to imply the numerical order of its object.

As described above embodiment can realize that the hardware configuration may include for executing reality with various hardware configurations The processor of the instruction of existing described technology.Such instruction can be contained in machine readable media, such as suitably Storage medium or memory or other processors can perform medium.

Embodiment described herein may be implemented as such as WLAN (WLAN), third generation cooperative partner program A part for (3GPP) universal land radio access web (UTRAN) or long term evolution (LTE) or long term evolution (LTE) communication system A variety of environment in, but the scope of the present invention is unrestricted in this regard.Example LTE system includes being defined as by LTE specification Multiple movement stations of user equipment (UE) are communicated with the base station for being defined as eNB by LTE specification.

Antenna referred to herein may include one or more orientations or omnidirectional antenna, including such as dipole antenna, list Pole antenna, paster antenna, loop aerial, microstrip antenna are suitable for transmitting the other kinds of antenna of RF signals.In some realities It applies in example, instead of two or more antennas, the individual antenna with multiple bores can be used.In these embodiments, often A bore is considered individual antenna.In some multiple-input and multiple-output (MIMO) embodiments, it can efficiently separate Antenna, to utilize space diversity and the different channels characteristic that may be generated between each antenna and the antenna of cell site.One In a little MIMO embodiments, antenna can detach up to 1/10 wavelength or more.

In some embodiments, receiver as described herein can be configured as to be received according to specific communication standard and believe Number, such as Institute of Electrical and Electronics Engineers (IEEE) standard including 802.11 standards of IEEE and/or proposed for WLAN Specification, but the scope of the present invention is unrestricted in this regard, because they can also be suitable for according to other technologies and mark Standard sends and/or receives communication.In some embodiments, receiver can be configured as according to for wireless MAN (WMAN) IEEE 802.16-2004,802.16 IEEE (e) and/or IEEE 802.16 (m) standards (including its variation and are drilled Into) signal is received, but the scope of the present invention is unrestricted in this regard, because they can also be suitable for according to other skills Art and standard send and/or receive communication.In some embodiments, receiver can be configured as wireless according to general land Net (UTRAN) LTE communication standard is accessed to receive signal.More letters in relation to 802.16 standard of IEEE 802.11 and IEEE Breath, please refers to " IEEE Standards for Information Technology--Telecommunications and Information Exchange between Systems”-Local Area Networks-Specific Requirements—Part 11“Wireless LAN Medium Access Control(MAC)and Physical Layer(PHY),ISO/IEC 8802-11:1999 " and Metropolitan Area Networks-Specific Requirements—Part 16：“Air Interface for Fixed Broadband Wireless Access Systems " in Mays, 2005 and related amendments/versions.More information in relation to UTRAN LTE standards, please refers to UTRAN-LTE Third generation cooperative partner program (3GPP) standard, including its variation and evolution.

Above description is intended to illustrative rather than restrictive.For example, above-mentioned example (or one or more side Face) it can be used with other example combinations.Such as those skilled in the art can use other implementations after reading above description Example.Abstract is to allow reader quickly to determine essence disclosed in technology.It is submitted under following understanding：It will not be used to Explain or limit the scope of the claims or meaning.In addition, in detailed description above, various features can be combined one It rises, so that the disclosure is smooth.However, claim may be without illustrating each feature disclosed herein, because embodiment can be with Characterized by the subset of the feature.In addition, embodiment may include than those less features disclosed in particular example. Therefore, following claims are integrated into detailed description hereby, and wherein claim itself can represent individual implementation Example.The range of embodiment disclosed herein is complete by the equivalent assigned with reference to appended claims and these claims Portion range determines.

Claims

1. one kind being used for the device of evolution node B (eNB), including：

Processing circuit and memory provide air interface for configuring the eNB to user equipment (UE)；

Wherein, the processing circuit is additionally operable to：

Generate wave beam forming reference signal (BRS) corresponding with multiple beam-shaped antenna port (AP)；

Master Information Block (MIB) is encoded, for being transmitted on Physical Broadcast Channel (PBCH)；And

The BRS and the PBCH are mapped to the time-frequency money being frequency division multiplexed in same orthogonal frequency division multiplexing (OFDM) symbol Source element (RE).

2. the apparatus according to claim 1, wherein the AP for BRS transmission and the pass between the AP for PBCH transmission System is predefined that the channel estimation of UE BRS AP based on one or more is allowed to export the channel estimation of the PBCH.

3. the apparatus according to claim 1, wherein the processing circuit is additionally operable to：

Via wireless heterogeneous networks (RRC) signaling to the UE notice for BRS transmit AP with for PBCH transmit AP it Between relationship, to allow the channel estimation of UE BRS AP based on one or more to export the channel estimation of the PBCH.

4. the apparatus according to claim 1, wherein the processing circuit is additionally operable to：

The RE that the eNB is configured to be mapped to PBCH in OFDM symbol, wherein each such PBCH be from one or The corresponding AP transmission of multiple BRS AP.

5. the apparatus according to claim 1, wherein the processing circuit is additionally operable to：

It configures the eNB to PBCH is mapped to RE in a manner of the aggregation transfer from AP, wherein each such AP is by one A or multiple BRS definition.

6. the apparatus according to claim 1, wherein the processing circuit is additionally operable to：

By the eNB be configured to by demodulated reference signal (DM-RS) be mapped to and the identical AP of the PBCH it is corresponding and RE in OFDM symbol identical with the PBCH exports the PBCH to allow UE based on the channel estimation of the DM-RS Channel estimation.

7. device according to claim 6, wherein the processing circuit is additionally operable to：

It configures the eNB to multiple DM-RS are mapped to RE corresponding with multiple AP,

And wherein, the multiple DM-RS is frequency division multiplexing or code division multiplexing in OFDM symbol.

8. the apparatus according to claim 1, wherein the processing circuit is additionally operable to：

The eNB is configured so that space frequency block coding or the transmitting diversity that is recycled based on every RE is mapped the PBCH To RE corresponding with two or more AP.

9. device according to any one of claim 1 to 8, wherein the processing circuit is additionally operable to：

The eNB is configured by the PBCH, the BRS and including primary synchronization signal (PSS), secondary synchronization signal (SSS) to The RE of same OFDM symbol is mapped to the synchronizing signal of extension synchronizing signal (ESS).

10. device according to claim 9, wherein the processing circuit is additionally operable to：

It configures the eNB to the PBCH is mapped to the RE adjacent with the synchronizing signal,

And wherein, BRS occupies the remaining RE in the OFDM symbol.

11. device according to claim 9, wherein the processing circuit is additionally operable to：

Interweave the BRS and PBCH in the frequency domain.

12. device according to any one of claim 1 to 8, wherein the processing circuit is additionally operable to：

The eNB is configured according to the frequency hopping pattern of definition come will be described at different frequency position in different OFDM symbols to PBCH is mapped to RE.

13. device according to any one of claim 1 to 8, wherein the processing circuit is additionally operable to：

By the eNB be configured to by the PBCH and including primary synchronization signal (PSS), secondary synchronization signal (SSS) and extension it is same The synchronizing signal of step signal (ESS) is mapped to RE corresponding with identical one or more AP.

14. device according to any one of claim 1 to 8, wherein the processing circuit includes baseband processor.

15. device according to any one of claim 1 to 8, further includes：

Wireless set is connected to the processing circuit；

Directional antenna array is connected to the wireless set, and is operated by the processing circuit and be used for wave beam tax to provide The AP of shape.

16. one kind being used for the device of UE (user equipment), including：

Memory and processing circuit, for configuring the UE to：

Wave beam forming is demodulated in the time-frequency resource elements (RE) of frequency division multiplexing from same orthogonal frequency division multiplexing (OFDM) symbol Reference signal (BRS) and Physical Broadcast Channel (PBCH)；

Master Information Block (MIB) from the PBCH is decoded；And

It exports beam-shaped antenna corresponding with BRS port (AP).

17. device according to claim 16, wherein the processing circuit is used for：

Pair and for BRS transmission AP and for PBCH transmission AP between the related wireless heterogeneous networks of relationship (RRC) believe Information is enabled to be decoded, to allow the channel estimation of UE BRS AP based on one or more to export the channel of the PBCH Estimation.

18. device according to claim 16, wherein the processing circuit is additionally operable to：

PBCH in OFDM symbol is demodulated,

Wherein, the PBCH is transmitted from AP corresponding with one or more BRS AP.

19. device according to claim 16, wherein the processing circuit is additionally operable to：

To from AP identical with the PBCH and the demodulated reference signal that is transmitted in OFDM symbol identical with the PBCH (DM-RS) it is demodulated, to allow the UE to export the channel estimation of the PBCH from the DM-RS.

20. device according to claim 16, wherein the processing circuit is additionally operable to：

Couple multiple DM-RSs corresponding with multiple AP are demodulated,

21. a kind of computer-readable medium, including instruction, described instruction by the processing circuit of user equipment (UE) described in being executed Make the UE when instruction：

Receive wave beam forming reference signal (BRS) corresponding with multiple beam-shaped antenna port (AP)；

Master Information Block (MIB) is received on Physical Broadcast Channel (PBCH)；And

By the time-frequency resource elements (RE) that are frequency division multiplexed in same orthogonal frequency division multiplexing (OFDM) symbol receive BRS and PBCH。

22. medium according to claim 21 further includes as given an order, being used for：

It is received via wireless heterogeneous networks (RRC) signaling and for the pass between the AP and the AP transmitted for PBCH of BRS transmission It is related information, to allow the channel estimation of UE BRS AP based on one or more to estimate to export the channel of the PBCH Meter.

23. medium according to claim 21 further includes as given an order, being used for：

The PBCH in OFDM symbol is received,

Wherein, the PBCH is transmitted from AP corresponding with one or more BRS AP.

24. medium according to claim 21 further includes as given an order, being used for：

Demodulated reference signal (DM- is received from AP identical with the PBCH and in OFDM symbol identical with the PBCH RS), the channel estimation of the PBCH is exported to allow the UE based on the DM-RS.

25. medium according to claim 21 further includes as given an order, being used for：

Multiple DM-RSs corresponding with multiple AP are received,