WO2011134532A1 - Multiplexage d'un signal de référence de sondage avec un canal de commande de liaison montante physique (pucch) - Google Patents

Multiplexage d'un signal de référence de sondage avec un canal de commande de liaison montante physique (pucch) Download PDF

Info

Publication number
WO2011134532A1
WO2011134532A1 PCT/EP2010/055925 EP2010055925W WO2011134532A1 WO 2011134532 A1 WO2011134532 A1 WO 2011134532A1 EP 2010055925 W EP2010055925 W EP 2010055925W WO 2011134532 A1 WO2011134532 A1 WO 2011134532A1
Authority
WO
WIPO (PCT)
Prior art keywords
reference signal
slot
uplink control
symbol
control information
Prior art date
Application number
PCT/EP2010/055925
Other languages
English (en)
Inventor
Kari Pekka Pajukoski
Esa Tapani Tiirola
Kari Juhani Hooli
Timo Erkki Lunttila
Original Assignee
Nokia Siemens Networks Oy
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Nokia Siemens Networks Oy filed Critical Nokia Siemens Networks Oy
Priority to PCT/EP2010/055925 priority Critical patent/WO2011134532A1/fr
Publication of WO2011134532A1 publication Critical patent/WO2011134532A1/fr

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/003—Arrangements for allocating sub-channels of the transmission path
    • H04L5/0048—Allocation of pilot signals, i.e. of signals known to the receiver
    • H04L5/0051—Allocation of pilot signals, i.e. of signals known to the receiver of dedicated pilots, i.e. pilots destined for a single user or terminal
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/26—Systems using multi-frequency codes
    • H04L27/2601—Multicarrier modulation systems
    • H04L27/2602—Signal structure
    • H04L27/261—Details of reference signals
    • H04L27/2613—Structure of the reference signals
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/26—Systems using multi-frequency codes
    • H04L27/2601—Multicarrier modulation systems
    • H04L27/2602—Signal structure
    • H04L27/261—Details of reference signals
    • H04L27/2613—Structure of the reference signals
    • H04L27/26136—Pilot sequence conveying additional information
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/12—Wireless traffic scheduling
    • H04W72/1263—Mapping of traffic onto schedule, e.g. scheduled allocation or multiplexing of flows
    • H04W72/1268—Mapping of traffic onto schedule, e.g. scheduled allocation or multiplexing of flows of uplink data flows
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/20—Control channels or signalling for resource management
    • H04W72/21—Control channels or signalling for resource management in the uplink direction of a wireless link, i.e. towards the network

Definitions

  • the invention relates to the field of telecommunications and, particularly, to uplink physical layer transmissions.
  • LTE long term evolution
  • 3GPP Third Generation Partnership Project
  • LTE is a packet-only wideband radio access with flat architecture that provides higher data speeds and reduced packet latency and supports various services, such as high-speed data, multime ⁇ dia unicast and multimedia broadcast services.
  • 4 G fourth generation
  • LTE-A LTE-Advanced
  • Physical layer transmissions in LTE uplink comprise three physical uplink channels and two signals, the channels being physical uplink shared channel (PUSCH) , physical uplink con- trol channel (PUCCH) and physical random access channel
  • PUSCH physical uplink shared channel
  • PUCCH physical uplink con- trol channel
  • PUCCH physical random access channel
  • PRACH demodulation reference sig ⁇ nal
  • SRS sounding reference signal
  • PUCCH carries uplink traffic. PUCCH is used for transmitting uplink control information when user equipment is not scheduled for data transmission (i.e. no PUSCH is allocated to the user equipment) .
  • the up ⁇ link control information may be positive/negative acknowl- edgements (ACK/NACK) relating to downlink data packets, pre- coding matrix information (PMI), a channel quality indicator (CQI), a rank indicator (RI) for component carrier aggrega ⁇ tion and/or scheduling requests (SR) .
  • PMI pre- coding matrix information
  • CQI channel quality indicator
  • RI rank indicator
  • SR scheduling requests
  • PUCCH formats that differ in types of information that PUCCH can carry, in number of bits per subframe and in used modula ⁇ tion scheme.
  • PUCCH format 1 is for SR
  • PUCCH formats la and lb are for ACK/NACK
  • PUCCH format 2 is for CQI
  • PUCCH formats 2a and 2b are for CQI and ACK/NACK.
  • PRACH is for initial access and uplink timing alignment.
  • De- modulation reference signals are used for channel estimation and for coherent demodulation of PUSCH and PUCCH, and sounding reference signals, transmitted typically in first or last symbols of subframes, are used for uplink channel quality de ⁇ termination in other frequency areas to enable frequency- selective scheduling on the uplink, and for power consumption .
  • a shortened PUCCH format 1/la/lb may be used when PUCCH and sounding reference signal is to be sent in one subframe, otherwise a normal PUCCH can be used.
  • ACK/NACK or the SR symbol corresponding to the SRS location is punctured.
  • this shortened PUCCH format shall be used by all user equipments allocated to the same physical resource block if one of the user equipments trans ⁇ mits the sounding reference signal. This results to sensitiv ⁇ ity loss.
  • aspects of some embodiments include enabling transmission of PUCCH and sounding reference signals in the same subframe re ⁇ gardless of PUCCH format used.
  • Figure 1 shows simplified architecture of a radio access net ⁇ work and schematic diagrams of apparatuses according to an embodiment
  • Figure 2 shows an example of a slot format for a block wise spreading according to an embodiment
  • Figures 3 and 4 show other examples of slot formats; and Figures 5 and 6 illustrate examples of signalling.
  • Embodiments of present invention are applicable to any user terminal (i.e. user equipment), base station, corresponding components, corresponding apparatuses, and/or to any communication system or any combination of different communication systems supporting multiplexing of information and requiring that uplink control information and sounding reference sig ⁇ nals from user equipments allocated to the same physical re- source block are orthogonal.
  • the communication system may be a wireless communication system or a communication system utilizing both fixed networks and wireless networks.
  • a radio access architecture based on LTE Advanced, LTE-A that is based on OFDMA in a downlink and a single-carrier frequency-division multiple access SC- FDMA with cyclic prefix (CP) in an uplink allowing parametri- zation of uplink and downlink being harmonized, without re ⁇ stricting the embodiments to such an architecture, however.
  • LTE-A LTE Advanced
  • SC-FDMA single-carrier frequency-division multiple access SC- FDMA with cyclic prefix
  • Other examples of the radio access architecture include WiMax and 4 G radio access network.
  • FIG. 1 A general architecture of LTE-A, or more precisely a radio access network 100 implementing LTE-A, is illustrated in Figure 1.
  • Figure 1 is a simplified architecture only showing user equipment 110 configured to be in a wireless connection on communication channels 101 (only one shown in Figure 1) in a cell with a base station 120 providing the cell, both appa- ratuses having some elements and functional entities, all be ⁇ ing logical units whose implementation may differ from what is shown.
  • the base station is further connected to an evolved packet core network (EPC) .
  • EPC evolved packet core network
  • the radio access of LTE-A comprises in prac ⁇ tise many base stations serving many user equipment, and one user equipment may use multiple cells, and the radio access of LTE-A may comprise other apparatuses, such as physical layer relay nodes. Further, for example, if a coordinated multi-point (CoMP) is utilized in the radio access network 100, the radio access network may comprise a management node configured to take care of the management and scheduling of radio resources.
  • CoMP coordinated multi-point
  • LTE-A utilizes multiple antenna techniques to the uplink including closed-loop antenna selection and spatial division multiple access (SDMA) or various multiple input multiple output (MIMO) technologies, such as a single user multiple input multiple output (SU-MIMO) and a multi ⁇ user multiple input multiple output (MU-MIMO) .
  • SDMA closed-loop antenna selection and spatial division multiple access
  • MIMO multiple input multiple output technologies, such as a single user multiple input multiple output (SU-MIMO) and a multi ⁇ user multiple input multiple output (MU-MIMO) .
  • SU-MIMO single user multiple input multiple output
  • MU-MIMO multi ⁇ user multiple input multiple output
  • the user equipment 110 illustrates one type of an apparatus to which resources on the air interface are allocated and as ⁇ signed, and thus any feature described herein with user equipment may be implemented with a corresponding apparatus, such as a relay node.
  • the user equipment 110 refers to a portable computing device that includes wireless mobile com ⁇ munication devices operating with or without a subscriber identification module (SIM) , including, but not limited to, the following types of devices: mobile phone, smartphone, personal digital assistant (PDA), handset, laptop computer.
  • SIM subscriber identification module
  • the user equipment 110 is configured to perform one or more of user equipment functionalities described below with an em ⁇ bodiment, and it may be configured to perform functionalities from different embodiments.
  • the user equip ⁇ ment comprises an uplink multiplexing unit (UMU) 111 for pro- viding functionality to form and transmit uplink information according to one or more of the embodiments described below.
  • the user equipment comprises a receiving unit 112 for receiving different inputs, control information, user data and messages, for example, and a sending unit 113 for sending different outputs, control information, user data and messages, for example.
  • the base station, or advanced evolved node B, 120 is a com ⁇ puting device configured to control the radio resources, and connected to the evolved packet core network, thereby provid ⁇ ing the user equipment 110 a connection to the communication system.
  • the base station comprises all radio-related functionalities of the communication whereby the base station, for example, schedules transmis ⁇ sions by assigning certain uplink resources for the user equipment and informing the user equipment about transmission formats to be used.
  • the base station 120 is configured to perform one or more of base station functionalities described below with an embodiment, and it may be configured to perform functionalities from different embodiments.
  • the base station comprises a resource assigner unit (ReA) 121 for physical uplink control channel.
  • ReA resource assigner unit
  • the resource assigner unit may be a separate unit or integrated to a scheduler.
  • the base station may comprise other units, and it comprises different interfaces, such as a receiving unit 122 for receiving different inputs, control information, user data and messages, for example, and a sending unit 123 for sending different outputs, control information, user data and messages, for example
  • the resource assigner unit 121 or some functionality of the resource assigner unit may locate in an- other network entity/node.
  • a network entity/node comprise an operation and maintenance element, a self organized network (SON) element and the management node.
  • SON self organized network
  • the apparatuses such as the user equipment and the base station, have been depicted in Figure 1 as one entity, they may be implemented in one or more physical or logical entities. Their units and functions may be software and/or software-hardware and/or firmware components (recorded in ⁇ delibly on a medium such as read-only-memory or embodied in hard-wired computer circuitry) .
  • the user equipment, base station and corresponding appara ⁇ tuses implementing functionality or some functionality ac ⁇ cording to an embodiment may generally include a processor (not shown in Figure 1), controller, control unit, micro- controller, or the like connected to a memory and to various interfaces of the apparatus.
  • the processor is a central processing unit, but the processor may be an addi ⁇ tional operation processor.
  • the uplink multiplexing unit 111, and/or the resource assigner unit 121 may be configured as a computer or a processor, or a microprocessor, such as a single-chip computer element, or as a chipset, including at least a memory for providing storage area used for arithmetic operation and an operation processor for executing the arithmetic operation.
  • the uplink multiplexing unit 111, and/or the resource assigner unit 121 may comprise one or more computer processors, application-specific integrated circuits (ASIC) , digital signal processors (DSP) , digital signal processing devices (DSPD) , programmable logic devices (PLD) , field- programmable gate arrays (FPGA) , and/or other hardware compo- nents that have been programmed in such a way to carry out one or more functions of one or more embodiments.
  • ASIC application-specific integrated circuits
  • DSP digital signal processors
  • DSPD digital signal processing devices
  • PLD programmable logic devices
  • FPGA field- programmable gate arrays
  • the receiving units and the transmitting units each provides an interface in an apparatus, the interface including a transmitter and/or a receiver or a corresponding means for receiving and/or transmitting information, such as data, content, control information, messages and performing necessary functions so that user data, content, control information, signalling and/or messages can be received and/or transmit ⁇ ted.
  • the receiving and sending units may comprise a set of antennas, the number of which is not limited to any particu ⁇ lar number.
  • the apparatuses may generally include volatile and/or non- volatile memory and typically store content, data, or the like.
  • the memory may store computer program code such as software applications (for example, for the uplink multiplex ⁇ ing unit or the resource assigner unit) or operating systems, information, data, content, or the like for the processor to perform steps associated with operation of the apparatus in accordance with embodiments.
  • the memory may be, for example, random access memory, a hard drive, or other fixed data mem ⁇ ory or storage device. Further, the memory, or part of it, may be removable memory detachably connected to the appara ⁇ tus .
  • apparatuses may comprise other units used in or for information transmission on uplink. However, they are irrelevant to the actual invention and, therefore, they need not to be discussed in more detail here .
  • the physical uplink control channel PUCCH is used by a user equipment to transmit any necessary uplink control information in subframes in case the user equipment has not been allocated any resource blocks for physical uplink shared channel PUSCH.
  • PUCCH is used to transmit uplink control information even when one or more resource blocks are allocated to the user equipment on PUSCH.
  • the uplink control information on PUCCH is transmitted in a frequency region on the edges of the sys ⁇ tem bandwidth, and each PUCCH transmission in one subframe comprises a single resource block at or near one edge of the system bandwidth followed by a second resource block at or near the opposite edge of the system bandwidth.
  • inter-hopping may be used. It should be appreciated that em ⁇ bodiments described herein are not restricted to the above described PUCCH transmission scheme.
  • Figure 2 illustrates an example of a slot format user equip- ments, or more precisely by an uplink multiplexing unit in a user equipment, are configured to use for a block wise spreading according to an embodiment that can be applied to all PUCCH formats thereby enhancing their capability to transmit PUCCH and sounding reference signals in the same subframe.
  • PUCCH obtained this way may be called B-DFT-S-OFDMA (block spread DFT-S-OFDMA) .
  • the last block of a slot in a normal cyclic prefix contains a reference signal symbol, replaceable by a sounding reference signal symbol.
  • the uplink control information is positive acknowledgements (ACK) of a hybrid automatic repeat requests (HARQ) and there are two reference signal symbols (RS) , the latter being replace ⁇ able by a sounding reference signal symbol (SRS) .
  • DFT-S-OFDMA Discrete Fourier Transformation-Spread-Orthogonal Frequency Division Multiple Access
  • FFT Fast Fourier Transform
  • IFFT inverse Fast Fourier Transform
  • Information symbols from different user equipments are separated by different orthogonal cover codes, denoted by indexes wO, wl, etc.
  • One user equipment is thus separated from other user equipments by a cover code it uses in code division multiplexing between the blocks.
  • the replaceable RS symbol is in the embodiment the last RS symbol in the slot, and its location is in the last block. It should be appreciated that any orthogonal cover sequence may be used as a cover code between the blocks. It should be appreciated that the way how the reference signal and/or the sounding reference signal is multiplexed bears no signifi ⁇ cance and any suitable multiplexing may be used.
  • An advantage provided by the replaceability between RS and SRS is that if one user equipment sends a sounding reference signal symbol, the other user equipments allocated to the same physical resource block can continue their transmission as before, i.e. by sending a reference signal if they do not have a sounding reference signal to be transmitted. In other words, the performance of the other user equipments remains the same because all symbols (including RS) are included in the transmission, unlike in prior art where symbols were punctured even when there were no sounding reference signal symbol replacing the punctured symbol.
  • a further advantage is that the coding of uplink control information is not af ⁇ fected .
  • the location of the reference signal symbol that is replaceable with the sounding reference signal symbol may be some other location, for example it may locate in a block whose location correspond to a location of reference signal symbol in a prior art PUCCH format.
  • a further advantage of providing sending of PUCCH and the sounding reference signal in the same subframe also with PUCCH format 2, as will be described below, is that the im ⁇ portant information required for scheduling and provided by the sounding reference signal is received regularly and still it is possible to use frequently PUCCH block wise spreading format or PUCCH 2 that has a bigger payload than PUCCH
  • Figure 3 illustrates an example of a slot format user equip- ments, or more precisely by an uplink multiplexing unit in a user equipment, are configured to use in another embodiment.
  • user equipments are configured to realize code division multiplexing of information by means of cyclic shifts. In other words, different user equipments are sepa- rated by cyclic shifts.
  • PUCCH format 2 with a normal cyclic prefix (the cyclic prefix is not shown in Figure)
  • the PUCCH format 2 being in the ex ⁇ ample enhanced with capability to convey ACK/NACK.
  • PUCCH format 2 with normal cyclic prefix slot there are seven blocks, two of which are for reference signal symbol.
  • the last reference symbol may be replaced by SRS and it is located in the last block, as is shown in the example illus ⁇ trated in Figure 3.
  • the reference symbol blocks are moved one block forward to be the 3 rd and 7 th block.
  • the reference signal symbol blocks were symmetrically located on 2 nd and 6 th block, and it should be appreciated that it provides a further embodiment.
  • the slot format resembles the il ⁇ lustrated slot format in the embodiment illustrated in Figure 2, i.e. the reference signal symbol blocks locates on 2 nd and 7 th block.
  • the slot formats disclosed with Figure 3 can be used for PUCCH formats 2, 2a and 2b.
  • the slot format for PUCCH formats 1/la/lb is amended from the structure where the 3 rd , 4 th and 5 th blocks carry an RS symbol so that the RS symbols are carried in 3 rd , 4 th and 7 th block, wherein the RS symbol in the 7 th block is replaceable with a sounding refer- ence signal symbol.
  • the reference signal symbol blocks remain in the same locations as they are in LTE release 8 PUCCH formats and de ⁇ pending on the implementation, the user equipment is config- ured to puncture one of the reference signal symbols or one of the uplink control information symbols and to locate a sounding reference signal symbol to the block wherefrom the symbol was punctured.
  • the symbol may be in the last block, or in the last block for reference signal sym- bols, if a slot contains at least two reference signal symbol blocks .
  • Figure 4 illustrates an example of a slot format user equip ⁇ ments, or more precisely by an uplink multiplexing unit in a user equipment, are configured to use in another embodiment.
  • user equipments are configured to realize code division multiplexing of information by means of cyclic shifts.
  • different user equipments are sepa- rated by cyclic shifts.
  • PUCCH format 2 and an extended cyclic prefix the extended cyclic prefix is not shown in Figure
  • the PUCCH format 2 being in the example enhanced with capability to convey ACK/NACK.
  • an extended cyclic prefix slot there are six blocks for SC-FDMA symbols, and in PUCCH format 2 one of which (4 th block) is for reference sig ⁇ nal symbol. Since the extended cyclic prefix slot has only one block for reference signal symbol, the last block for up ⁇ link control information is punctured (i.e. not transmitted at all) and instead of it SRS is transmitted.
  • the slot formats discussed with Figure 4 can also be used for PUCCH formats 2a and 2b with the extended cyclic prefix.
  • the slot format for PUCCH formats 1/la/lb with the extended cyclic prefix is amended from the structure where the 3 rd and 4 th blocks carry an RS symbol so that the RS symbols are carried in 3 rd and 6 th block, wherein the RS sym ⁇ bol in the 6 th block is replaceable with a sounding reference signal symbol.
  • any cyclic shift i.e. an orthogonal sequence
  • CAZAC constant amplitude zero autocor ⁇ relation code
  • ZAC Zero-Autocorrelation
  • Figure 5 illustrates a signalling example according to an em ⁇ bodiment.
  • a base station BS as ⁇ signs, in messages 5-1, user equipments UE1 and UE2 to the same physical resource block on PUCCH, and instructs (config ⁇ ures) them to use PUCCH format according to Figure 3.
  • the base station configures in this example the user equipments separately.
  • the user equipments may locate near cell edge in poor radio conditions and therefore the downlink HARQ feedback (i.e. ACK/NACK) performance needs to be guaranteed, or they may move rapidly and thus have strin ⁇ gent requirements for Doppler estimation performance.
  • ACK/NACK downlink HARQ feedback
  • the user equipments are previously configured to send the sounding reference signal periodically by higher layer signalling.
  • the user equipments UE1 and UE2 configure, in point 5-2, themselves to transmit uplink con ⁇ trol information in a format enabling PUCCH and SRS in the same subframe.
  • user equipment UE1 when a scheduled transmission occurs, user equipment UE1 needs to transmit sounding reference signal, and therefore generates, by multiplexing, a slot and sends a subframe containing the slot in message 5-3, the slot format being in the example the one illustrated in Figure 3 with the last block containing the sounding reference signal symbol.
  • the user equipment UE1 uses in multiplexing a cyclic shift Y for the uplink control information, the reference signal and the sounding reference signal.
  • a cyclic shift Y for the uplink control information, the reference signal and the sounding reference signal.
  • the way how the reference signal and/or the sounding reference signal is multiplexed bears no sig ⁇ nificance and any suitable multiplexing may be used.
  • the user equipment UE2 needs not to transmit a sounding reference signal, and therefore a slot in message 5- 4, that is generated by multiplexing by the user equipment UE2, has a structure according to Figure 3 with the last block containing a reference signal symbol.
  • the user equip ⁇ ment UE2 uses in multiplexing a cyclic shift N for the uplink control information and the reference signal.
  • the base sta ⁇ tion extracts, in point 5-5, the information in messages, i.e. the base station derives uplink control information from UE1 and UE2 and signals from UE1 and UE2 by their different cyclic shifts. This time the base station receives, in addi ⁇ tion to uplink control information, a reference signal symbol and a sounding reference signal symbol from UE1 and two ref ⁇ erence signal symbols from UE2.
  • the base sta ⁇ tion extracts, in point 5-5, the information in messages, i.e. the base station derives uplink control information from UE1 and UE2 and signals from UE1 and UE2 by their different cyclic shifts. This time the base station receives, in addi ⁇ tion to uplink control information, a reference signal symbol and a sounding reference signal symbol from UE1 and two ref ⁇ erence signal symbols from UE2.
  • UE1 suffers a cov- erage loss due to transmission of PUCCH and SRS
  • the user equipment UE2 next time when a scheduled transmission oc ⁇ curs, the user equipment UE2 needs to transmit sounding ref- erence signal, and therefore generates by multiplexing a slot and sends the slot in message 5-6, the slot format being the one illustrated in Figure 3 with the last block containing the sounding reference signal symbol.
  • the user equipment UE2 uses in multiplexing the cyclic shift N for the uplink con- trol information, the reference signal and the sounding ref ⁇ erence signal.
  • a slot in message 5-7 that is generated by multiplexing by the user equipment UE1, has a structure according to Figure 3 with the last block containing a reference signal symbol.
  • the user equipment UE1 uses in multiplexing the cyclic shift Y for the uplink control information and the reference signal.
  • the base station then repeats the above described point 5-5 but this receives, in addition to control information sym ⁇ bols, a reference signal symbol and a sounding reference sig ⁇ nal symbol from UE2 and two reference signal symbols from UE1.
  • UE1 In case both user equipments need to transmit the sounding reference signal, UE1 generates and transmits message 5-3 and UE2 generates and transmits 5- 6. Then the base station receives, in addition to control in ⁇ formation symbols, a sounding reference signal symbol and a reference signal symbol from UE1 and UE2.
  • UE1 In case both user equipments need not to transmit the sounding reference signal, UE1 generates and transmits message 5-7 and UE2 generates and transmits message 5-4. Then the base station receives, in addition to control information symbols, two reference signal symbols from UE1 and UE2.
  • the uplink control information from different user equipments would have been separated by cover codes used in multiplexing.
  • the user equipments configure (not shown in Figure 6) themselves to use prior art PUCCH format 2 in case they need not send SRS and PUCCH in the same sub- frame, and to use structure enabling transmission of uplink control information and sounding reference signal in the same subframe in case they need send PUCCH and SRS simultaneously.
  • UE2 sends message 6- 1 corresponding to message 5-6 as described above, but UE1 sends message 6-2 having a structure in which the 2 nd and 6 th blocks contain reference signal symbols and the other blocks uplink control information symbols.
  • message 6- 1 corresponding to message 5-6 as described above
  • UE1 sends message 6-2 having a structure in which the 2 nd and 6 th blocks contain reference signal symbols and the other blocks uplink control information symbols.
  • the base station performs the above de ⁇ scribed point 5-5 (not shown in Figure 6) and receives from two different slot formats, in addition to control informa- tion symbols, a reference signal symbol and a sounding refer ⁇ ence signal symbol from UE2 and two reference signal symbols from UE1.
  • a user equipment may derive applied sound ⁇ ing reference signal resources from a cell-specific sounding reference signal configuration, broadcasted by the base sta ⁇ tion, and in addition to a scheduled transmission, the base station may send a request.
  • the functions, points, messages, and information exchange de ⁇ scribed above with Figures 2-6 are in no absolute chronologi ⁇ cal order, and some of the points or functions may be per ⁇ formed and/or messages sent simultaneously or in an order differing from the given one. Other functions can also be executed between the points or functions or within the points and other messages sent between the illustrated messages. Some of the functions or the points or part of the points can also be left out or replaced by a corresponding function or point or part of the point. Further, functions, points and/or messages described with different embodiments may be combined to obtain further embodiments. Depending on the network tech- nologies involved, other entities may take part to the mes ⁇ saging than those described above.
  • ACK uplink control information
  • ACK/NACK i.e. downlink HARQ feedback
  • PMI precoding matrix information
  • CQI channel quality indicator
  • RI rank indicator
  • SR scheduling request
  • the embodiments enable multiplex- ing different uplink control information to uplink control information blocks.
  • PUCCH format 2 ACK may be multiplexed with CQI, or with CQI/PMI.
  • downlink HARQ feedback is prioritized over CQI/PMI, if there is need to transmit multiple PUCCH channels at the same time.
  • the above described embodiments support time division multi ⁇ plexing between SRS and PUCCH for all control channels.
  • an advantage of the embodi ⁇ ments is that they may be implemented without requiring changes to channel coding.

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Mobile Radio Communication Systems (AREA)

Abstract

Selon la présente invention, afin de faciliter l'utilisation d'un canal de commande de liaison montante physique (PUCCH) pour transmettre des informations de commande de liaison montante, en particulier des accusés de réception (ACK)/accusés de réception négatifs (NACK), et des signaux de référence de sondage dans la même sous-trame, différents équipements utilisateurs sont séparés soit par des décalages cycliques, soit par des codes de couverture, un symbole de signal de référence pendant un intervalle de temps ou un symbole d'informations de commande de liaison montante pendant l'intervalle de temps est poinçonné, un symbole de signal de référence de sondage est placé dans un bloc depuis lequel le symbole a été poinçonné, et les symboles d'informations de commande de liaison montante sont multiplexés à l'aide du même multiplexage par répartition en code sans se soucier du fait qu'un symbole doit être, ou non, poinçonné.
PCT/EP2010/055925 2010-04-30 2010-04-30 Multiplexage d'un signal de référence de sondage avec un canal de commande de liaison montante physique (pucch) WO2011134532A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PCT/EP2010/055925 WO2011134532A1 (fr) 2010-04-30 2010-04-30 Multiplexage d'un signal de référence de sondage avec un canal de commande de liaison montante physique (pucch)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/EP2010/055925 WO2011134532A1 (fr) 2010-04-30 2010-04-30 Multiplexage d'un signal de référence de sondage avec un canal de commande de liaison montante physique (pucch)

Publications (1)

Publication Number Publication Date
WO2011134532A1 true WO2011134532A1 (fr) 2011-11-03

Family

ID=43431938

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2010/055925 WO2011134532A1 (fr) 2010-04-30 2010-04-30 Multiplexage d'un signal de référence de sondage avec un canal de commande de liaison montante physique (pucch)

Country Status (1)

Country Link
WO (1) WO2011134532A1 (fr)

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2014075277A1 (fr) * 2012-11-15 2014-05-22 华为技术有限公司 Procédé et dispositif de mappage de ressources pour un pusch
CN105657852A (zh) * 2016-02-05 2016-06-08 北京佰才邦技术有限公司 传输处理方法及装置
WO2016148795A1 (fr) * 2015-03-14 2016-09-22 Qualcomm Incorporated Multiplexage de signal de référence de sondage de canal réciproque
WO2018043997A1 (fr) * 2016-08-28 2018-03-08 엘지전자 주식회사 Procédé de transmission et de réception d'un canal multiplexé de commande sur la liaison montante et symbole de référence de sondage localisé et dispositif associé
WO2018137150A1 (fr) * 2017-01-24 2018-08-02 华为技术有限公司 Procédé et dispositif de réglage
CN109314684A (zh) * 2016-05-27 2019-02-05 株式会社Ntt都科摩 用户终端和无线通信方法
CN109511173A (zh) * 2016-06-29 2019-03-22 华为技术有限公司 一种子帧配置方法及相关设备

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2008120925A1 (fr) * 2007-03-29 2008-10-09 Lg Electronics Inc. Procédé d'envoi d'un signal de référence sonore dans un système de communication sans fil
WO2009058806A1 (fr) * 2007-10-30 2009-05-07 Texas Instruments Incorporated Transmission d'un signal de référence sonore et d'une demande de programmation dans des systèmes à porteuse unique
EP2104257A2 (fr) * 2008-02-28 2009-09-23 Lg Electronics Inc. Procédé de multiplexage de données et informations de contrôle

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2008120925A1 (fr) * 2007-03-29 2008-10-09 Lg Electronics Inc. Procédé d'envoi d'un signal de référence sonore dans un système de communication sans fil
WO2009058806A1 (fr) * 2007-10-30 2009-05-07 Texas Instruments Incorporated Transmission d'un signal de référence sonore et d'une demande de programmation dans des systèmes à porteuse unique
EP2104257A2 (fr) * 2008-02-28 2009-09-23 Lg Electronics Inc. Procédé de multiplexage de données et informations de contrôle

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
PANASONIC: "Sounding RS position and relation with PUCCH", 3GPP DRAFT; R1-074903, 3RD GENERATION PARTNERSHIP PROJECT (3GPP), MOBILE COMPETENCE CENTRE ; 650, ROUTE DES LUCIOLES ; F-06921 SOPHIA-ANTIPOLIS CEDEX ; FRANCE, vol. RAN WG1, no. Korea; 20071030, 30 October 2007 (2007-10-30), XP050108358 *
ZTE: "Multiplexing of Sounding RS and PUCCH", 3GPP DRAFT; R1-074554 MULTIPLEXING OF SOUNDING RS AND PUCCH, 3RD GENERATION PARTNERSHIP PROJECT (3GPP), MOBILE COMPETENCE CENTRE ; 650, ROUTE DES LUCIOLES ; F-06921 SOPHIA-ANTIPOLIS CEDEX ; FRANCE, vol. RAN WG1, no. Korea; 20071031, 31 October 2007 (2007-10-31), XP050108049 *

Cited By (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2014075277A1 (fr) * 2012-11-15 2014-05-22 华为技术有限公司 Procédé et dispositif de mappage de ressources pour un pusch
WO2016148795A1 (fr) * 2015-03-14 2016-09-22 Qualcomm Incorporated Multiplexage de signal de référence de sondage de canal réciproque
US9847862B2 (en) 2015-03-14 2017-12-19 Qualcomm Incorporated Reciprocal channel sounding reference signal multiplexing
US11916826B2 (en) 2015-03-14 2024-02-27 Qualcomm Incorporated Reciprocal channel sounding reference signal multiplexing
US11374711B2 (en) 2015-03-14 2022-06-28 Qualcomm Incorporated Reciprocal channel sounding reference signal multiplexing
US10389503B2 (en) 2015-03-14 2019-08-20 Qualcomm Incorporated Reciprocal channel sounding reference signal multiplexing
CN105657852A (zh) * 2016-02-05 2016-06-08 北京佰才邦技术有限公司 传输处理方法及装置
CN105657852B (zh) * 2016-02-05 2019-05-24 北京佰才邦技术有限公司 传输处理方法及装置
CN109314684A (zh) * 2016-05-27 2019-02-05 株式会社Ntt都科摩 用户终端和无线通信方法
CN109314684B (zh) * 2016-05-27 2021-12-07 株式会社Ntt都科摩 用户终端和无线通信方法
CN109511173B (zh) * 2016-06-29 2021-11-19 华为技术有限公司 一种子帧配置方法及相关设备
CN109511173A (zh) * 2016-06-29 2019-03-22 华为技术有限公司 一种子帧配置方法及相关设备
US11006417B2 (en) 2016-08-28 2021-05-11 Lg Electronics Inc. Method for transmitting and receiving multiplexed uplink control channel and localized sounding reference symbol and device therefor
WO2018043997A1 (fr) * 2016-08-28 2018-03-08 엘지전자 주식회사 Procédé de transmission et de réception d'un canal multiplexé de commande sur la liaison montante et symbole de référence de sondage localisé et dispositif associé
US11057895B2 (en) 2017-01-24 2021-07-06 Huawei Technologies Co., Ltd. Retuning method and apparatus for SRS coverage enhancement
WO2018137150A1 (fr) * 2017-01-24 2018-08-02 华为技术有限公司 Procédé et dispositif de réglage
US11632763B2 (en) 2017-01-24 2023-04-18 Huawei Technologies Co., Ltd. Retuning method and apparatus

Similar Documents

Publication Publication Date Title
US11432191B2 (en) Hybrid automatic repeat request acknowledge resource allocation for enhanced physical downlink control channel
JP6513580B2 (ja) 適応的に構成されたｔｄｄ通信システムのためのサウンディング参照信号の送信
US11729770B2 (en) Configuring the transmission of periodic feedback information on a physical uplink shared channel (PUSCH)
RU2636057C2 (ru) Способ и устройство для приема и передачи информации о состоянии канала в системе беспроводной связи
RU2563249C2 (ru) Базовая радиостанция, терминал пользователя и способ радиосвязи
US9706533B2 (en) Method and apparatus for transmitting a reference signal in a communication system
AU2012278342B2 (en) Method and user equipment for determining control channel resource
EP2430786B1 (fr) Appareil et procédé de communication
AU2015340135B2 (en) Method and apparatus for transmitting control channel in intra-cell carrier aggregation system
CN105580457A (zh) 用于在无线通信系统中确定配置有多个小区的终端的上行链路发送定时的方法及使用该方法的设备
KR20140108393A (ko) 셀 내의 캐리어 집적 시스템에서 단말의 능력에 따른 제어 채널 전송 방법 및 장치
EP3396999B1 (fr) Procédé, dispositif et équipement utilisateur de configuration de signal de référence
CN109565823B (zh) 短tti模式
WO2011134532A1 (fr) Multiplexage d'un signal de référence de sondage avec un canal de commande de liaison montante physique (pucch)
CN108702685B (zh) 传输模式的信息的传输方法、网络设备、终端设备和系统
US11909529B2 (en) Method, apparatus for transmitting HARQACK information, electronic device and storage medium
WO2021160010A1 (fr) Procédé et appareil de transmission de données, dispositif, et support de stockage
EP2487826A2 (fr) Transmission simultanée d'informations de controle
CN105992361B (zh) 一种增强的ca中的调度方法和装置
AU2017338040A1 (en) Control of aperiodic signalling of SRS for wireless systems
CN108293245B (zh) 一种数据通信的方法、终端设备及网络设备
JP6548334B2 (ja) 端末装置、基地局装置、および通信方法
EP3637915A1 (fr) Procédé et dispositif d'envoi de message
KR101864061B1 (ko) 이차적 셀 하이브리드 자동 반복 요청 타이밍을 도출하기 위한 방법 및 장치
EP3001743B1 (fr) Procédé et dispositif de détection et d'envoi d'informations de commande de liaison descendante

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 10721009

Country of ref document: EP

Kind code of ref document: A1

NENP Non-entry into the national phase

Ref country code: DE

122 Ep: pct application non-entry in european phase

Ref document number: 10721009

Country of ref document: EP

Kind code of ref document: A1