WO2010059856A1 - Communication poste à poste à l'aide d'une interface radio de réseau étendu - Google Patents

Communication poste à poste à l'aide d'une interface radio de réseau étendu Download PDF

Info

Publication number
WO2010059856A1
WO2010059856A1 PCT/US2009/065191 US2009065191W WO2010059856A1 WO 2010059856 A1 WO2010059856 A1 WO 2010059856A1 US 2009065191 W US2009065191 W US 2009065191W WO 2010059856 A1 WO2010059856 A1 WO 2010059856A1
Authority
WO
WIPO (PCT)
Prior art keywords
communication
uplink
area network
air interface
physical
Prior art date
Application number
PCT/US2009/065191
Other languages
English (en)
Inventor
Ravi Palanki
Naga Bhushan
Aamod D. Khandekar
Original Assignee
Qualcomm Incorporated
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 Qualcomm Incorporated filed Critical Qualcomm Incorporated
Priority to EP09774772A priority Critical patent/EP2366267A1/fr
Priority to KR1020117014207A priority patent/KR101344887B1/ko
Priority to JP2011537625A priority patent/JP5384660B2/ja
Priority to BRPI0921572A priority patent/BRPI0921572A2/pt
Priority to CN200980146158.7A priority patent/CN102217411B/zh
Publication of WO2010059856A1 publication Critical patent/WO2010059856A1/fr

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W88/00—Devices specially adapted for wireless communication networks, e.g. terminals, base stations or access point devices
    • H04W88/02—Terminal devices
    • H04W88/04—Terminal devices adapted for relaying to or from another terminal or user
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/24—Radio transmission systems, i.e. using radiation field for communication between two or more posts
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/12—Arrangements for detecting or preventing errors in the information received by using return channel
    • H04L1/16—Arrangements for detecting or preventing errors in the information received by using return channel in which the return channel carries supervisory signals, e.g. repetition request signals
    • H04L1/18—Automatic repetition systems, e.g. Van Duuren systems
    • H04L1/1812—Hybrid protocols; Hybrid automatic repeat request [HARQ]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
    • H04W4/70—Services for machine-to-machine communication [M2M] or machine type communication [MTC]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W48/00—Access restriction; Network selection; Access point selection
    • H04W48/08—Access restriction or access information delivery, e.g. discovery data delivery
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W88/00—Devices specially adapted for wireless communication networks, e.g. terminals, base stations or access point devices
    • H04W88/02—Terminal devices
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/04—Wireless resource allocation
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W76/00—Connection management
    • H04W76/10—Connection setup
    • H04W76/14—Direct-mode setup

Definitions

  • the present disclosure relates generally to wireless communication devices, and more particularly, to systems and methods for enabling peer-to-peer communication using a wide area network (WAN) interface.
  • WAN wide area network
  • Wireless communication systems are widely deployed to provide various telecommunication services such as telephony, video, data, messaging, and broadcasts.
  • Typical wireless communication systems may be multiple-access systems capable of supporting communication with multiple users by sharing available system resources (e.g., bandwidth, transmit power).
  • multiple-access systems include code division multiple access (CDMA) systems, time division multiple access (TDMA) systems, frequency division multiple access (FDMA) systems, orthogonal frequency division multiple access (OFDMA) systems, single-carrier frequency divisional multiple access (SC-FDMA) systems, and time division synchronous code division multiple access (TD-SCDMA) systems.
  • CDMA code division multiple access
  • TDMA time division multiple access
  • FDMA frequency division multiple access
  • OFDMA orthogonal frequency division multiple access
  • SC-FDMA single-carrier frequency divisional multiple access
  • TD-SCDMA time division synchronous code division multiple access
  • the systems can conform to specifications of the Third Generation Partnership Project (3GPP), such as, for example, 3GPP Long Term Evolution (L
  • wireless multiple-access communication systems may simultaneously support communication for multiple user equipment (UE).
  • Each UE may communicate with a base station (BS) via transmissions on forward and reverse links.
  • the forward link or downlink (DL) refers to the communication link from the BSs to UEs
  • the reverse link or uplink (UL) refers to the communication link from UEs to the BSs.
  • Communications between UEs and BSs may be established via single-input single -output (SISO) systems, single-input multiple- output (SIMO) systems, multiple-input single -output (MISO) systems, multiple- input multiple-output (MIMO) systems.
  • SISO single-input single -output
  • SIMO single-input multiple- output
  • MISO multiple-input single -output
  • MIMO multiple- input multiple-output
  • UEs can communicate with other UEs (and/or BSs with other BSs) in peer-to-peer (P2P) wireless network configurations.
  • P2P peer-to-peer
  • two UEs may communicate with each other directly without communicating with a BS in a wide area network (WAN).
  • WAN wide area network
  • Current P2P systems use an air interface different from the WAN.
  • Different air interfaces for P2P and WAN communication can create issues of interoperability when P2P communication occurs in the same spectrum as WAN communication, as the P2P devices may interfere with WAN communication and vice versa. The interference may be unpredictable if the numerology of the two systems is not aligned.
  • existing devices that are capable of both WAN and P2P technologies need to implement two different air interfaces, which increases complexity and cost. As such, there is a need to address the interoperability with P2P and WAN communication.
  • a method for peer-to-peer wireless communication by a first user equipment includes communicating with a second UE, and using a wireless area network air interface during the communication with the second UE.
  • the communicating with the second UE includes transmitting a downlink signal configured for downlink of the wireless area network air interface.
  • a method for peer-to-peer wireless communication by a first user equipment includes communicating with a second UE, and using a wireless area network air interface during the communication with the second UE.
  • the communicating with the second UE includes processing received uplink signals configured for uplink of the wireless area network air interface.
  • an apparatus for peer-to-peer wireless communication by a first user equipment includes means for communicating with a second UE, and means for using a wireless area network air interface during the communication with the second UE.
  • the means for communicating with the second UE transmits a downlink signal configured for downlink of the wireless area network air interface.
  • an apparatus for peer-to-peer wireless communication by a first user equipment includes means for communicating with a second UE, and means for using a wireless area network air interface during the communication with the second UE.
  • the means for communicating with the second UE processes received uplink signals configured for uplink of the wireless area network air interface.
  • a computer program product for peer-to-peer wireless communication by a first user equipment includes a computer- readable medium.
  • the computer-readable medium includes code for communicating with a second UE, and using a wireless area network air interface during the communication with the second UE.
  • the code for communicating with the second UE includes code for transmitting a downlink signal configured for downlink of the wireless area network air interface.
  • a computer program product for peer-to-peer wireless communication by a first user equipment includes a computer- readable medium.
  • the computer-readable medium includes code for communicating with a second UE, and using a wireless area network air interface during the communication with the second UE.
  • the code for communicating with the second UE includes code for processing received uplink signals configured for uplink of the wireless area network air interface.
  • an apparatus for peer-to-peer wireless communication is provided.
  • the apparatus is a first user equipment (UE) and includes a processing system.
  • the processing system is configured to communicate with a second UE, and to use a wireless area network air interface during the communication with the second UE.
  • the processing system is configured to transmit a downlink signal configured for downlink of the wireless area network air interface.
  • an apparatus for peer-to-peer wireless communication is provided.
  • the apparatus is a first user equipment (UE) and includes a processing system.
  • the processing system is configured to communicate with a second UE, and to use a wireless area network air interface during the communication with the second UE.
  • the processing system is configured to process received uplink signals configured for uplink of the wireless area network air interface.
  • FIG. 1 illustrates a multiple access wireless communication system according to one embodiment.
  • FIG. 2 is an illustration of a wireless communication network.
  • FIG. 3 is a block diagram of a wireless communication system.
  • FIG. 4 is a block diagram illustrating a configuration for an apparatus.
  • FIG. 5 is a conceptual diagram illustrating communication with a BS and P2P communication using WAN communication.
  • FIG. 6A is a conceptual diagram illustrating P2P communication using WAN communication.
  • FIG. 6B is another conceptual diagram illustrating P2P communication using
  • FIG. 7 is a conceptual diagram illustrating P2P communication using WAN communication with a relay.
  • FIG. 8 is another conceptual diagram illustrating P2P communication using
  • FIG. 9 is another conceptual diagram illustrating P2P communication using
  • FIG. 10 is a flow chart of a method of wireless communication.
  • FIG. 11 is another flow chart of a method of wireless communication.
  • FIG. 12 is a conceptual block diagram illustrating the functionality of an exemplary apparatus. DETAILED DESCRIPTION
  • a component can be, but is not limited to being, a process running on a processor, a processor, an object, an executable, a thread of execution, a program, and/or a computer.
  • an application running on a computing device and the computing device can be a component.
  • One or more components can reside within a process and/or thread of execution and a component can be localized on one computer and/or distributed between two or more computers.
  • these components can execute from various computer readable media having various data structures stored thereon.
  • the components can communicate by way of local and/or remote processes such as in accordance with a signal having one or more data packets (e.g., data from one component interacting with another component in a local system, distributed system, and/or across a network such as the Internet with other systems by way of the signal).
  • a signal having one or more data packets (e.g., data from one component interacting with another component in a local system, distributed system, and/or across a network such as the Internet with other systems by way of the signal).
  • a UE can also be called a mobile device, system, subscriber unit, subscriber station, mobile station, mobile, remote station, remote terminal, access terminal, user terminal, terminal, wireless communication device, user agent, user device, or device.
  • a BS can be utilized for communicating with UEs and can also be referred to as an access point, Node B, evolved Node B (eNode B or eNB), base transceiver station (BTS), or some other terminology.
  • eNode B or eNB evolved Node B
  • BTS base transceiver station
  • Machine-readable media can include but are not limited to magnetic storage devices (e.g., hard disk, floppy disk, magnetic strips), optical disks (e.g., compact disk (CD), digital versatile disk (DVD)), smart cards, flash memory devices (e.g., EPROM, card, stick, key drive), random access memory (RAM), a read only memory (ROM), a programmable ROM (PROM), an erasable PROM (EPROM), registers, a removable disk, a carrier wave, a transmission line, any other suitable storage device, or any other apparatus or means through which the instructions may be transmitted.
  • magnetic storage devices e.g., hard disk, floppy disk, magnetic strips
  • optical disks e.g., compact disk (CD), digital versatile disk (DVD)
  • smart cards e.g., flash memory devices (e.g., EPROM, card, stick, key drive), random access memory (RAM), a read only memory (ROM), a programmable ROM (PROM), an erasable PROM
  • a CDMA system may implement a radio technology such as Universal Terrestrial Radio Access (UTRA) or CDMA2000.
  • UTRA includes Wideband-CDMA (W-CDMA) and other variants of CDMA, such as TD-SCDMA.
  • CDMA2000 covers IS-2000, IS-95 and IS-856 standards.
  • a TDMA system may implement a radio technology such as Global System for Mobile Communications (GSM).
  • GSM Global System for Mobile Communications
  • An OFDMA system may implement a radio technology such as Evolved UTRA (E-UTRA), Ultra Mobile Broadband (UMB), IEEE 802.11 (Wi-Fi), IEEE 802.16 (WiMAX), IEEE 802.20, or Flash- OFDM.
  • E-UTRA and E-UTRA are part of Universal Mobile Telecommunication System (UMTS).
  • 3GPP LTE and LTE- Advanced (LTE-A) in both frequency division duplex (FDD) and time division duplex (TDD) modes are releases that use E-UTRA, which employs OFDMA on the downlink, SC-FDMA on the uplink, and multiple-input multiple-output (MIMO) antenna technology to support more users and higher data rates.
  • UTRA, E-UTRA, UMTS, LTE and GSM are described in documents from the 3GPP organization.
  • CDMA2000 and UMB are described in documents from the 3rd Generation Partnership Project 2 (3GPP2) organization.
  • the system 100 includes a BS 102 that can include multiple antenna groups.
  • one antenna group can include antennas 104 and 106, another group can include antennas 108 and 110, and an additional group can include antennas 112 and 114.
  • Two antennas are illustrated for each antenna group. However, more or fewer antennas can be utilized for each group.
  • the BS 102 can additionally include a transmitter chain and a receiver chain, each of which can in turn include a plurality of components associated with signal transmission and reception (e.g., processors, modulators, multiplexers, demodulators, demultiplexers, antennas), as will be appreciated by one skilled in the art.
  • the BS 102 can communicate with one or more UEs such as the UE 116 and the UE 126. However, it is to be appreciated that the BS 102 can communicate with substantially any number of UEs similar to the UEs 116 and 126.
  • the UEs 116 and 126 can be, for example, cellular phones, smart phones, laptops, handheld communication devices, handheld computing devices, satellite radios, global positioning systems, PDAs, and/or any other suitable device for communicating over wireless communication system 100.
  • the UE 116 is in communication with the antennas 112 and 114.
  • the antennas 112 and 114 transmit information to the UE 116 over a forward link 118 and receive information from the UE 116 over a reverse link 120.
  • the forward link 118 can utilize a different frequency band than that used by the reverse link 120, for example. Further, in a time division duplex (TDD) system, the forward link 118 and the reverse link 120 can utilize a common frequency.
  • FDD frequency division duplex
  • TDD time division duplex
  • Each group of antennas and/or the area in which they are designated to communicate can be referred to as a sector of the BS 102.
  • antenna groups can be designed to communicate to UEs in a sector of the areas covered by the BS 102.
  • the transmitting antennas of the BS 102 can utilize beamforming to improve the signal-to-noise ratio (SNR) of the forward link 118 for the UE 116.
  • SNR signal-to-noise ratio
  • the BS 102 utilizes beamforming to transmit to the UE 116 scattered randomly through an associated coverage
  • UEs in neighboring cells can be subject to less interference as compared to a BS transmitting through a single antenna to all the UEs with which the BS is communicating.
  • the UEs 116 and 126 can also communicate directly with one another using a peer-to-peer or ad hoc technology.
  • the BS 102 can communicate with a network 122, such as a service provider's network, over a backhaul link connection.
  • a femtocell 124 can be provided to facilitate communication with the UE 126 over the forward link 128 and the reverse link 130 (similarly to the forward link 118 and the reverse link 120, as described supra).
  • the femtocell 124 can provide access to one or more UEs 126 much like the BS 102, but on a smaller scale.
  • the femtocell 124 can be configured in a residence, business, and/or other close range setting.
  • the femtocell 124 can connect to the network 122 utilizing a backhaul link connection, which can be over a broadband Internet connection (e.g., T1/T3, digital subscriber line (DSL), cable).
  • a broadband Internet connection e.g., T1/T3, digital subscriber line (DSL), cable
  • FIG. 2 is an illustration of a wireless communication network 200 configured to support a number of UEs.
  • the system 200 provides communication for multiple cells, such as for example, macrocells 202A - 202G, with each cell being serviced by corresponding BSs 204A - 204G.
  • the UEs 206A - 2061 are shown dispersed at various locations throughout the wireless communication system 200. Each UE 206A - 2061 can communicate with one or more BSs 204A - 204G on a forward link and/or a reverse link, as described.
  • the femtocells 208A - 208C are shown.
  • the UEs 206A - 2061 can additionally communicate with the femtocells 208A - 208C.
  • the wireless communication system 200 can provide service over a large geographic region, with the macrocells 202A - 202G covering a broad area and the femtocells 208A - 208C providing service in areas such as residences and office buildings.
  • the UEs 206A - 2061 can establish connection with the BSs 204A - 204G and/or the femtocells 208A - 208C over the air and/or over a backhaul connection.
  • FIG. 3 is a block diagram of a wireless communication system 300.
  • the wireless communication system 300 depicts block diagrams for a BS 310 in communication with a UE 350.
  • traffic data for a number of data streams is provided from a data source 312 to a transmit (TX) data processor 314.
  • TX data processor 314 formats, codes, and interleaves the traffic data stream based on a particular coding scheme selected for that data stream to provide coded data.
  • the TX data processor 314 may multiplex the coded data for each data stream with pilot data 340 using orthogonal frequency division multiplexing (OFDM) techniques. Additionally or alternatively, the pilot symbols can be frequency division multiplexed (FDM), time division multiplexed (TDM), or code division multiplexed (CDM).
  • the pilot data 340 is typically a known data pattern that is processed in a known manner and can be used at the UE 350 to estimate the channel response.
  • the TX data processor 314 can modulate the multiplexed pilot and coded data for each data stream based on a particular modulation scheme (e.g., binary phase-shift keying (BPSK), quadrature phase-shift keying (QPSK), M-phase-shift keying (M-PSK), M-quadrature amplitude modulation (M-QAM)) selected for that data stream to provide modulation symbols.
  • BPSK binary phase-shift keying
  • QPSK quadrature phase-shift keying
  • M-PSK M-phase-shift keying
  • M-QAM M-quadrature amplitude modulation
  • the data rate, coding, and modulation for each data stream can be determined by instructions performed or provided by the processor 330.
  • the modulation symbols for the data streams can be provided to a TX MIMO processor 320, which provides spatial processing for the modulation symbols (e.g., for OFDM).
  • the TX MIMO processor 320 then provides n modulation symbol streams (or spatial streams) to n transmitters (TMTR) 322TX1 through 322TXn.
  • Each transmitter 322TX receives and processes a respective symbol stream to provide one or more analog signals, and further conditions (e.g., amplifies, filters, and upconverts) the analog signals to provide a modulated signal suitable for transmission over the MIMO channel. Further, n modulated signals from the transmitters 322TX are transmitted from n antennas 324Al through 324An, respectively.
  • the transmitted modulated signals are received by the m antennas 352Al through 352Am and the received signal from each antenna 352 is provided to a respective receiver (RCVR) 354RX1 through 354RXm.
  • Each receiver 354RX conditions (e.g., filters, amplifies, and downconverts) a respective signal, digitizes the conditioned signal to provide samples, and further processes the samples to provide a corresponding "received" symbol stream.
  • An RX data processor 360 can receive and process the m received symbol streams from m receivers 354 based on a particular receiver processing technique to provide n "detected" symbol streams. RX data processor 360 can demodulate, deinterleave, and decode each detected symbol stream to recover the traffic data for the data stream. The processing by RX data processor 360 is complementary to that performed by TX MIMO processor 320 and TX data processor 314 at the BS 310.
  • the processor 370 can formulate a reverse link message.
  • the reverse link message can include various types of information regarding the communication link and/or the received data stream.
  • the reverse link message is processed and modulated by a TX data processor 338, which also receives traffic data for a number of data streams from a data source 336, and further processed by the TX MIMO processor 380, conditioned by transmitters 354TX, and transmitted back to the BS 310.
  • the channel response estimate generated by the RX data processor 360 can be used to perform space, space/time processing at the receiver, adjust power levels, change modulation rates or schemes, or other actions.
  • the RX data processor 360 can further estimate the signal-to-noise-and-interference ratios (SNRs) of the detected symbol streams, and possibly other channel characteristics, and provides these quantities to the processor 370.
  • SNRs signal-to-noise-and-interference ratios
  • the RX data processor 360 or the processor 370 can further derive an estimate of the "operating" SNR for the system.
  • the processor 370 then provides channel state information (CSI), which can comprise various types of information regarding the communication link and/or the received data stream.
  • CSI can comprise only the operating SNR.
  • the CSI can comprise a channel quality indicator (CQI), which can be a numerical value indicative of one or more channel conditions.
  • CQI channel quality indicator
  • the CSI is then processed by the TX data processor 338, spatially processed by the TX MIMO processor 380, conditioned by transmitters 354TX1 through 354TXm, and transmitted back to the BS 310.
  • the modulated signals from the UE 350 are received by the antennas 324, conditioned by the receivers 322RX, and demodulated and processed by a RX data processor 342 to extract the reverse link message transmitted by the UE 350.
  • the processors 330 and 370 can direct (e.g., control, coordinate, manage) operation at the BS 310 and the UE 350, respectively.
  • the respective processors 330 and 370 can be associated with a memory 332 and 372 that store program codes and data.
  • the processors 330 and 370 can also perform computations to derive frequency and impulse response estimates for the uplink and downlink, respectively.
  • FIG. 4 is a conceptual block diagram illustrating a hardware configuration for an exemplary apparatus.
  • the apparatus 400 which is a UE, may include a wireless interface 402, a computer-readable medium 406, and a processing system 404 coupled to the wireless interface 402 and the computer-readable medium 406.
  • the wireless interface 402 includes an UL transmitter 408, a DL receiver 410, a DL transmitter 412, and an UL receiver 414 for allowing the apparatus 400 to operate as a BS, as a UE, or as both using WAN communication.
  • the UL transmitter 408 and the DL receiver 410 allow the apparatus 400 to operate as a UE in the WAN communication.
  • the DL transmitter 412 and the UL receiver 414 allow the apparatus 400 to operate as a BS in the WAN communication.
  • the apparatus 400 when the apparatus 400 is in communication with a BS, then the apparatus 400 operates as a UE in the WAN communication with the BS and utilizes the UL transmitter 408 and the DL receiver 410 in the WAN communication.
  • the apparatus 400 when the apparatus 400 is in communication with another UE in P2P communication, then the apparatus 400 will utilize the UL transmitter 408 and the DL receiver 410 when the apparatus 400 is operating as a UE for the P2P WAN communication and will utilize the DL transmitter 412 and the UL receiver 414 when the apparatus 400 is operating as a BS for the P2P WAN communication.
  • the apparatus 400 may utilize both sets of transmitters/receivers if the apparatus 400 is operating as a UE in a first WAN communication and as a BS in a second WAN communication. In such a scenario, the apparatus 400 would use time division multiplexing (TDM) between the two operating modes if the frequency bands are overlapping (or sufficiently close to cause interference).
  • TDM time division multiplexing
  • the apparatus 400 may utilize both sets of transmitters/receivers concurrently.
  • the wireless interface 402 is shown as a separate entity. However, as those skilled in the art will readily appreciate, the wireless interface 402, or any portion thereof, may be integrated into the processing system 404, or distributed across multiple entities within the apparatus 400.
  • the processing system 404 may include one or more processors.
  • the one or more processors may be implemented with any combination of general-purpose microprocessors, microcontrollers, a Digital Signal Processors (DSP), Field Programmable Gate Arrays (FPGA), Programmable Logic Devices (PLD), controllers, state machines, gated logic, discrete hardware components, or any other suitable entities that can perform calculations or other manipulations of information.
  • DSP Digital Signal Processors
  • FPGA Field Programmable Gate Arrays
  • PLD Programmable Logic Devices
  • controllers state machines, gated logic, discrete hardware components, or any other suitable entities that can perform calculations or other manipulations of information.
  • the computer-readable medium 406 includes code for performing functions of the processing system 404. That is, the computer-readable medium 406 stores software.
  • Software shall be construed broadly to mean any type of instructions, whether referred to as software, firmware, middleware, microcode, hardware description language, or otherwise. Instructions may include code (e.g., in source code format, binary code format, executable code format, or any other suitable format of code).
  • the instructions when executed by the one or more processors, cause the processing system 404 to perform the various functions described below, as well as other protocol processing functions.
  • the computer-readable medium 406 is shown as a separate entity. However, as those skilled in the art will readily appreciate, the computer-readable medium 406, or any portion thereof, may be integrated into the processing system 404. As such, the processing system 404 may include the computer-readable medium 406 for storing software. Alternatively, the computer-readable medium 406 may be distributed across multiple entities within the apparatus 400.
  • the apparatus 400 may be a computer program product and include the computer-readable medium 406.
  • the computer-readable medium 406 may be a storage external to the processing system 404, such as a Random Access Memory (RAM), a flash memory, a Read Only Memory (ROM), a Programmable Read-Only Memory (PROM), an Erasable PROM (EPROM), registers, a hard disk, a removable disk, a CD-ROM, a DVD, or any other suitable storage device.
  • the computer-readable medium 406 may also be referred to as machine-readable media.
  • Machine-readable media may include a transmission line or a carrier wave that encodes a data signal.
  • FIG. 5 is a conceptual diagram 500 illustrating a UE 502 in communication with a BS 102 and in P2P communication with a UE 504 using WAN communication.
  • the UE 502 is in P2P communication with the UE 504 using WAN communication and is also in communication with the BS 102 using WAN communication.
  • the UE 502 is operating as a BS for the WAN communication, and therefore transmits signals through the DL transmitter 412 to the UE 504 and receives signals through the UL receiver 414 from the UE 504.
  • the UE 502 is operating as a UE for the WAN communication, and therefore transmits signals through the UL transmitter 408 to the BS 102 and receives signals through the DL receiver 410 from the BS 102.
  • the UE 502 is configured to operate as both a UE and a BS.
  • the UE 502 may use TDM between the two UE and BS operating modes if the frequency bands overlap. If the frequency bands for the WAN communication do not overlap, the UE 502 may communicate concurrently with the BS 102 and the UE 504.
  • the UE 502 With the UE 502 able to perform P2P communicating using WAN communication, the UE 502 need only implement one air interface for communication with the BS and other UEs, and therefore addresses the aforementioned issues of interoperability when P2P communication occurs in the same spectrum as WAN communication.
  • the UE When the UE is configured to operate as a BS, the UE is configured to transmit one or more of the signals/information generally transmitted by an eNodeB.
  • the UE may transmit cell-specific reference signals (CRS), a primary synchronization signal (PSS) and a secondary synchronization signal (SSS) on a synchronization channel (SCH), system information on a physical broadcast channel (PBCH), DL data on a physical downlink shared channel (PDSCH), and control information on a physical control format indicator channel (PCFICH), a physical downlink control channel (PDCCH), and a physical HARQ indicator channel (PHICH).
  • CRS cell-specific reference signals
  • PSS primary synchronization signal
  • SSS secondary synchronization signal
  • SCH synchronization channel
  • PBCH physical broadcast channel
  • PDSCH physical downlink shared channel
  • PCFICH physical control format indicator channel
  • PDCCH physical downlink control channel
  • PHICH physical HARQ indicator channel
  • a UE may only transmit PSS/SSS for discovery purposes until the UE is asked to enter peer-to-peer mode.
  • a UE may transmit substantially all of the previously mentioned channels while it is in an idle mode.
  • the UE may also receive access probes and process information on a physical random access channel (PRACH), a physical uplink control channel (PUCCH), and a physical uplink shared channel (PUSCH).
  • PRACH physical random access channel
  • PUCCH physical uplink control channel
  • PUSCH physical uplink shared channel
  • the UE may process control information on the PUCCH, the control information including channel quality indication (CQI) feedback, scheduling requests (SRs), and Ack/Nack messages.
  • CQI channel quality indication
  • SRs scheduling requests
  • Ack/Nack messages Ack/Nack messages.
  • the UE may also process UL data on the PUSCH.
  • FIG. 6 A is a conceptual diagram 600 illustrating P2P communication using WAN communication.
  • the UE 602 is in P2P communication with the UE 604 and the UE 606 using WAN communication.
  • the UE 602 is acting as a BS, as the UE 602 receives signals on the UL from the UE 604 and sends signals on the DL to the UE 604.
  • the UE 602 is acting as a UE, as the UE 602 receives signals on the DL from the UE 606, which itself is acting as a BS, and sends signals on the UL to the UE 606.
  • the UE 602 is configured to operate as both a UE and a BS for its P2P communication and utilizes the UL transmitter 408 and the DL receiver 410 when operating as a UE and the DL transmitter 412 and the UL receiver 414 when operating as a BS. If the frequency bands for the WAN communication overlap, the UE 602 will use TDM between operating as a BS for the WAN communication with the UE 604 and operating as a UE for the WAN communication with the UE 606.
  • FIG. 6B is a conceptual diagram 650 illustrating P2P communication using WAN communication.
  • the UE 602 is in P2P communication with the UE 604 and the UE 606 using WAN communication.
  • the UE 602 is acting as a BS, as the UE 602 receives signals on the UL from the UE 604, which itself is acting as a UE, and sends signals on the DL to the UE 604.
  • the UE 602 For the P2P communication with the UE 606, the UE 602 is acting as a BS, as the UE 602 receives signals on the UL from the UE 606, which itself is acting as a UE, and sends signals on the DL to the UE 606.
  • the UE 602 is configured to operate as a BS for its P2P communication and utilizes the DL transmitter 412 and the UL receiver 414 for the P2P WAN communication with the UE 604 and the UE 606.
  • the UE 602 can communicate concurrently with the UE 604 and the UE 606 using frequency division multiplexing (FDM) to assign non-overlapping frequency ranges for each of the WAN communication.
  • FDM frequency division multiplexing
  • FIG. 7 is a conceptual diagram 700 illustrating P2P communication using WAN communication with a relay.
  • the UE 704 acts as a BS in the P2P WAN communication with the UE 702, utilizing the UL receiver 414 to receive information from the UE 702 and the DL transmitter 412 to transmit information from the BS 102 to the UE 702.
  • the UE 704 relays information between the UE 702 and the BS 102, utilizing the UL transmitter 408 and the DL receiver 410 for WAN communication with the BS 102.
  • the UE 704 will use TDM between operating as a BS for the P2P WAN communication with the UE 702 and operating as a UE for the WAN communication with the BS 102.
  • FIG. 8 is another conceptual diagram 800 illustrating P2P communication using WAN communication with a relay.
  • the UE 804 which is relaying information between the UE 802 and the UE 806, may act as a BS with respect to the WAN communication with the UE 806 and as a UE with respect to the WAN communication with the UE 802, which itself is operating as a BS.
  • the UE 804 uses TDM between the two operating modes if the frequency bands for the WAN communication overlap.
  • FIG. 9 is another conceptual diagram 900 illustrating P2P communication using WAN communication.
  • one UE When two UEs enter into P2P communication using WAN communication, one UE must act as a UE and another as a BS.
  • the first UE to attempt communication with the other UE may act as a UE while the other acts as a BS.
  • the first UE to attempt communication with the other UE may act as a BS while the other acts as a UE.
  • the choice on whether to act as a UE or a BS depends on the interference conditions that the P2P link would create.
  • the UE 902 may also act as a UE and transmit on the UL to the UE 906. That is, the UE 902 will choose to transmit on the UL bandwidth because the UE 904, which is close by, is receiving on the DL bandwidth. If the UE 902 chose instead to transmit on the DL bandwidth, the transmission by the UE 902 would cause interference in the reception of the signal from the BS 908, which is being received on the DL bandwidth by the UE 904.
  • Such a configuration is like implementing a frequency reuse scheme.
  • the P2P communication may create dominant interference conditions in which the received power from a UE 's serving eNodeB (or UE in a P2P context) may be much lower than that of its dominant interferer.
  • Such interference can occur to a third UE when a first UE starts transmitting in the DL frequency band to a second UE in a peer-to-peer manner, and the third UE near the first UE is receiving DL transmissions from its macro eNodeB.
  • such interference can occur to a first UE when the first UE is attempting to receive P2P communications from a second UE in the UL frequency band while a third UE near the first UE is transmitting to its macro eNodeB (potentially at a much higher power because its macro eNodeB is far away).
  • a bandwidth that is part of the WAN UL or DL bandwidth may be used for P2P communication.
  • WAN-specific signaling mechanisms (such as a scheduling request in LTE) may be used to reserve the bandwidth.
  • some bandwidth may be pre-reserved using, for example, the multicast broadcast single frequency network (MBSFN) mode in LTE.
  • MBSFN multicast broadcast single frequency network
  • the UE may make use of part of the WAN UL or DL spectrum to transmit discovery pilots.
  • the UE may transmit these pilots at certain times and tune away to receive them at other times.
  • the pilot waveform may be identical to the pilots transmitted by BSs (e.g., primary synchronization signal (PSS) and secondary synchronization signal (SSS) in LTE), but may be transmitted at a much lower periodicity to help reduce the battery power consumption of the UE. All UEs need not transmit pilots all the time.
  • only active UEs may transmit the pilots (e.g., on UL). Idle UEs may monitor the pilots of the active UEs and may determine that they can help an active UE achieve better capacity and inform a BS or the active UE accordingly.
  • FIG. 10 is a flow chart 1000 of a method of wireless communication.
  • the method includes communicating with a second UE (1002) and using a wireless area network air interface during the communication with the second UE (1004).
  • the communicating with the second UE includes transmitting a downlink signal configured for downlink of the wireless area network air interface (1004).
  • the method may further include transmitting the downlink signal by transmitting at least one of cell-specific reference signals (CRS), a primary synchronization signal (PSS) on a synchronization channel (SCH), a secondary synchronization signal (SSS) on the SCH, system information on a physical broadcast channel (PBCH), downlink data on a physical downlink shared channel (PDSCH), control information on a physical control format indicator channel (PCFICH), control information on a physical downlink control channel (PDCCH), or control information on a physical HARQ indicator channel (PHICH) (1006).
  • the method may further include communicating with the second UE by processing a received uplink signal from the second UE (1008).
  • the uplink signal is configured for uplink of the wireless area network air interface.
  • FIG. 11 is another flow chart 1100 of a method of wireless communication.
  • the method may further include communicating with the second UE by transmitting an uplink signal configured for the uplink of the wireless area network air interface, and by processing a received downlink signal from the second UE (1102).
  • the downlink signal is configured for the downlink of the wireless area network air interface (1102).
  • the method may further include communicating with a wireless node in order to relay information between the second UE and the wireless node (1104).
  • the method may further include deciding between communicating with the second UE by transmitting the downlink signal and receiving the uplink signal and communicating with the second UE by transmitting the uplink signal and receiving the downlink signal (1106).
  • FIG. 12 is a conceptual block diagram 1200 illustrating the functionality of an exemplary UE apparatus 400.
  • the apparatus 400 includes a module 1202 that is configured to communicate with a second UE.
  • the apparatus 400 further includes a module 1204 that is configured to use a wireless area network air interface during the communication with the second UE (1204).
  • the communication with the second UE includes transmitting a DL signal configured for the DL of the wireless area network air interface (1204).
  • the wireless area network air interface is the wireless wide-area network (wireless WAN or WWAN) air interface.
  • the WAN air interface can be (1) FDD LTE in paired spectrum, (2) TDD LTE in unpaired spectrum, or (3) TDD LTE in the UL band of a paired spectrum.
  • the apparatus 400 may further include a module 1206 that is configured to communicate with the second UE by processing a received UL signal from the second UE (1206).
  • the UL signal is configured for the UL of the wireless area network air interface (1206).
  • the apparatus 400 may be configured to communicate with a wireless node in order to relay information between the second UE and the wireless node.
  • the apparatus 400 may decide whether to operate as a BS or a UE based on whether the communication with the second UE would cause interference to another UE. Alternatively, the apparatus 400 may decide whether to operate as a BS or a UE based on which of the first UE or the second UE initiated the communication. In one configuration, the apparatus 400 is configured to use interference management techniques such as receiving time and/or frequency allocation for the communication. The allocation for the communication may be by BS. Alternatively, the allocation for the communication may be pre-reserved. The apparatus 400 may be further configured to transmit discovery information and to receive discovery information from other UEs. The apparatus 400 may be configured to transmit the discovery information infrequently in order to conserve battery power. The apparatus 400 may additionally be configured to receive discovery information of other UEs from a BS.
  • interference management techniques such as receiving time and/or frequency allocation for the communication.
  • the allocation for the communication may be by BS. Alternatively, the allocation for the communication may be pre-reserved.
  • the apparatus 400 may be further configured to
  • the apparatus 400 for wireless communication includes means for communicating with a second UE, and means for using a wireless area network air interface during the communication with the second UE.
  • the means for communicating with the second UE transmits a downlink signal configured for downlink of the wireless area network air interface.
  • the apparatus 400 includes means for communicating with a second UE, and means for using a wireless area network air interface during the communication with the second UE.
  • the means for communicating with the second UE processes received uplink signals configured for uplink of the wireless area network air interface.
  • the aforementioned means is the processing system 404 configured to perform the functions recited by the aforementioned means.
  • a claim that recites at least one of a combination of elements refers to one or more of the recited elements (e.g., A, or B, or C, or any combination thereof).
  • All structural and functional equivalents to the elements of the various aspects described throughout this disclosure that are known or later come to be known to those of ordinary skill in the art are expressly incorporated herein by reference and are intended to be encompassed by the claims.
  • nothing disclosed herein is intended to be dedicated to the public regardless of whether such disclosure is explicitly recited in the claims.
  • No claim element is to be construed under the provisions of 35 U.S. C. ⁇ 112, sixth paragraph, unless the element is expressly recited using the phrase "means for” or, in the case of a method claim, the element is recited using the phrase "step for.” 7] What is claimed is:

Abstract

L'invention porte sur un procédé de communication sans fil poste à poste par un premier équipement utilisateur (UE) qui comprend une communication avec un second équipement utilisateur, et l'utilisation d'une interface radio de réseau sans fil pendant la communication avec le second équipement utilisateur. La communication avec le second équipement utilisateur comporte la transmission d'un signal de liaison descendante configuré pour une liaison descendante de l'interface radio de réseau sans fil.
PCT/US2009/065191 2008-11-19 2009-11-19 Communication poste à poste à l'aide d'une interface radio de réseau étendu WO2010059856A1 (fr)

Priority Applications (5)

Application Number Priority Date Filing Date Title
EP09774772A EP2366267A1 (fr) 2008-11-19 2009-11-19 Communication poste à poste à l'aide d'une interface radio de réseau étendu
KR1020117014207A KR101344887B1 (ko) 2008-11-19 2009-11-19 광영역 네트워크 에어 인터페이스를 사용한 피어-투-피어 통신
JP2011537625A JP5384660B2 (ja) 2008-11-19 2009-11-19 ワイドエリアネットワークエアインターフェースを使用したピアツーピア通信
BRPI0921572A BRPI0921572A2 (pt) 2008-11-19 2009-11-19 comunicação par-a-par utilizando uma interface aérea de rede de área remota
CN200980146158.7A CN102217411B (zh) 2008-11-19 2009-11-19 使用广域网空中接口的对等通信

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US11606708P 2008-11-19 2008-11-19
US61/116,067 2008-11-19
US12/621,083 US9084283B2 (en) 2008-11-19 2009-11-18 Peer-to-peer communication using a wide area network air interface
US12/621,083 2009-11-18

Publications (1)

Publication Number Publication Date
WO2010059856A1 true WO2010059856A1 (fr) 2010-05-27

Family

ID=41811028

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US2009/065191 WO2010059856A1 (fr) 2008-11-19 2009-11-19 Communication poste à poste à l'aide d'une interface radio de réseau étendu

Country Status (8)

Country Link
US (1) US9084283B2 (fr)
EP (1) EP2366267A1 (fr)
JP (1) JP5384660B2 (fr)
KR (1) KR101344887B1 (fr)
CN (1) CN102217411B (fr)
BR (1) BRPI0921572A2 (fr)
TW (1) TWI418233B (fr)
WO (1) WO2010059856A1 (fr)

Cited By (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2011156638A3 (fr) * 2010-06-10 2012-02-16 Qualcomm Incorporated Communication poste à poste à forme d'onde symétrique pour les liaisons descendante et montante
WO2012037160A1 (fr) * 2010-09-13 2012-03-22 Qualcomm Incorporated Procédé, appareil et produit programme d'ordinateur pour faciliter l'utilisation de structures de découpage en canaux lte et de formes d'onde pour communications de poste à poste
WO2012078911A1 (fr) * 2010-12-10 2012-06-14 Qualcomm Incorporated Procédés et appareil pour programmer une communication poste à poste dans un spectre de réseaux étendus sans fil
JP2012119827A (ja) * 2010-11-30 2012-06-21 Ntt Docomo Inc 移動通信方法、無線基地局及び移動局
WO2014046717A1 (fr) * 2012-09-21 2014-03-27 Research In Motion Limited Architecture d'équipement utilisateur pour communication entre dispositifs dans des systèmes de communication sans fil
JP2014521283A (ja) * 2011-07-19 2014-08-25 クゥアルコム・インコーポレイテッド ユーザ機器リレーのためのスリープ・モード
US8982895B2 (en) 2012-09-21 2015-03-17 Blackberry Limited Inter-device communication in wireless communication systems
WO2015047167A1 (fr) * 2013-09-27 2015-04-02 Telefonaktiebolaget L M Ericsson (Publ) Relais d'informations de commande de dispositif à dispositif (d2d)
CN104509199A (zh) * 2013-08-01 2015-04-08 华为技术有限公司 数据传输方法和系统
WO2015023867A3 (fr) * 2013-08-16 2015-06-04 Blackberry Limited Fourniture de couverture secondaire dans un système de communications mobiles
US9137836B2 (en) 2012-10-15 2015-09-15 Blackberry Limited Inter-device communication authorization and data sniffing in wireless communication systems
US9591679B2 (en) 2012-09-17 2017-03-07 Blackberry Limited Initiation of inter-device communication in wireless communication systems
US9826381B2 (en) 2012-09-18 2017-11-21 Blackberry Limited Device handshake/discovery for inter-device communication in wireless communication systems
US10154467B2 (en) 2012-09-26 2018-12-11 Blackberry Limited Transmit power adjustment for inter-device communication in wireless communication systems

Families Citing this family (48)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101558593B1 (ko) * 2008-12-29 2015-10-20 엘지전자 주식회사 무선통신 시스템에서 신호 전송 방법 및 장치
US9204349B2 (en) * 2009-02-10 2015-12-01 Qualcomm Incorporated Method and apparatus for facilitating a hand-in of user equipment to femto cells
EP2424128A4 (fr) * 2009-04-21 2014-12-17 Alcatel Lucent Procédé et dispositif de relais sans fil
KR101722779B1 (ko) * 2009-08-14 2017-04-05 삼성전자주식회사 통신 시스템에서 자원 할당 장치 및 방법
US9392562B2 (en) 2009-11-17 2016-07-12 Qualcomm Incorporated Idle access terminal-assisted time and/or frequency tracking
US9642105B2 (en) 2009-11-17 2017-05-02 Qualcomm Incorporated Access terminal-assisted time and/or frequency tracking
US20120300662A1 (en) * 2010-01-22 2012-11-29 Nokia Corporation Cellular Control Sensing for Multicell Device-to-Device Interference Control
US9271248B2 (en) 2010-03-02 2016-02-23 Qualcomm Incorporated System and method for timing and frequency synchronization by a Femto access point
US9756553B2 (en) 2010-09-16 2017-09-05 Qualcomm Incorporated System and method for assisted network acquisition and search updates
CN102572707B (zh) * 2010-12-29 2015-04-22 中国移动通信集团公司 多媒体广播多播业务传输方法及装置
WO2012108621A1 (fr) * 2011-02-11 2012-08-16 엘지전자 주식회사 Procédé et appareil pour réaliser une communication coopérative de dispositif à dispositif dans un système d'accès sans fil
US9232550B2 (en) * 2011-03-31 2016-01-05 Broadcom Corporation Method and apparatus for facilitating device-to-device communication
WO2013028005A2 (fr) * 2011-08-22 2013-02-28 엘지전자 주식회사 Procédé de transmission de données de dispositif à dispositif dans un système d'accès sans fil prenant en charge la communication de dispositif à dispositif, et appareil à cet effet
US8812680B2 (en) 2011-09-14 2014-08-19 Qualcomm Incorporated Methods and apparatus for peer discovery interference management in a wireless wide area network
US9137655B2 (en) 2011-10-07 2015-09-15 Qualcomm Incorporated Methods and apparatus for supporting peer to peer communications
US20150296424A1 (en) * 2011-11-25 2015-10-15 Nokia Solutions And Networks Oy Method for Handing Over a Mobile Relay Node
KR101899189B1 (ko) * 2011-12-09 2018-09-14 텔레폰악티에볼라겟엘엠에릭슨(펍) 무선 송신 엔티티의 출력 파워 적응
KR102037322B1 (ko) * 2012-01-30 2019-11-26 엘지전자 주식회사 D2d 통신을 지원하는 무선통신 시스템에서 d2d 전송 데이터에 대한 피드백 정보를 전송 및 수신하는 방법과 이를 위한 장치
EP2640153B1 (fr) * 2012-03-12 2016-04-13 HTC Corporation Procédé et appareil permettant d'effectuer une communication directe dans un système de communication sans fil
MX342725B (es) * 2012-03-16 2016-10-11 Sony Corp Dispositivo de comunicación, método de comunicación, programa, y sistema de comunicación.
WO2013157865A1 (fr) * 2012-04-18 2013-10-24 엘지전자 주식회사 Procédé permettant de faire une harq pour la communication entre dispositifs dans un système de communication sans fil, et dispositif à cet effet
US9155057B2 (en) 2012-05-01 2015-10-06 Qualcomm Incorporated Femtocell synchronization enhancements using access probes from cooperating mobiles
EP2866360B1 (fr) * 2012-06-24 2020-03-25 Lg Electronics Inc. Procédé et dispositif pour réaliser une communication directe entre des terminaux dans un système de communication sans fil
DK2685753T3 (en) 2012-07-11 2015-07-27 Forsvarets Forsknings Large peer-to-peer discovery mechanism for spectrum allocation
CN104429150A (zh) 2012-08-03 2015-03-18 英特尔公司 用于实现设备到设备通信的方法和系统
US9036603B2 (en) 2012-08-03 2015-05-19 Intel Corporation Network assistance for device-to-device discovery
US8913518B2 (en) 2012-08-03 2014-12-16 Intel Corporation Enhanced node B, user equipment and methods for discontinuous reception in inter-ENB carrier aggregation
US9191828B2 (en) 2012-08-03 2015-11-17 Intel Corporation High efficiency distributed device-to-device (D2D) channel access
EP2880782B8 (fr) 2012-08-03 2021-01-13 Apple Inc. Fonction de rappel/remplacement de déclencheur de dispositif pour des systèmes 3gpp/m2m
WO2014022769A1 (fr) * 2012-08-03 2014-02-06 Intel Corporation Signalisation et modèles de voie pour des communications d2d
US9730082B2 (en) * 2012-08-24 2017-08-08 Intel Corporation Methods and arrangements to relay packets via Wi-Fi direct
US9026051B2 (en) * 2012-09-28 2015-05-05 Intel Corporation Wireless wide area network (WWAN) managed device to device communication using narrowband Wi-Fi in a licensed band
US9124377B2 (en) * 2012-11-07 2015-09-01 Qualcomm Incorporated Methods and apparatus for enabling peer-to-peer (P2P) communication in LTE time division duplex (TDD) system
US9237530B2 (en) 2012-11-09 2016-01-12 Qualcomm Incorporated Network listen with self interference cancellation
US9338808B2 (en) * 2012-11-09 2016-05-10 Electronics And Telecommunications Research Institute Method of direct communication by terminal
KR102047960B1 (ko) * 2012-11-09 2019-12-02 한국전자통신연구원 단말의 직접 통신 방법
US20140161010A1 (en) * 2012-12-12 2014-06-12 Qualcomm Incorporated Enabling hierarchical wakeup schedules in a wireless system utilizing relays
EP2938142B1 (fr) * 2012-12-21 2018-11-07 LG Electronics Inc. Procédé et appareil destinés à la communication entre dispositifs dans un système de communication sans fil
US11177919B2 (en) * 2013-01-18 2021-11-16 Texas Instruments Incorporated Methods for energy-efficient unicast and multicast transmission in a wireless communication system
US8982853B2 (en) * 2013-03-05 2015-03-17 Qualcomm Incorporated Methods and apparatus to control interference
US9706481B2 (en) * 2013-03-15 2017-07-11 Futurewei Technologies, Inc. System and method for time-power frequency hopping for D2D discovery
GB201306351D0 (en) * 2013-04-09 2013-05-22 Gen Dynamics Broadband Inc Apparatus and methods for device to device communications
US9479298B2 (en) 2013-07-08 2016-10-25 Intel IP Corporation Demodulation reference signals (DMRS)for side information for interference cancellation
TWI511482B (zh) * 2013-10-22 2015-12-01 Acer Inc 近場通訊延伸方法及延伸裝置
CN111698071B (zh) * 2014-07-11 2023-08-15 高通股份有限公司 对等（p2p）通信和广域网（wan）通信的复用
KR102560675B1 (ko) 2014-09-02 2023-07-28 엘지전자 주식회사 무선 통신 시스템에서 장치 대 장치 단말의 동기 신호 전송 방법 및 장치
CN106465368B (zh) * 2015-01-30 2019-10-22 华为技术有限公司 一种子带资源确定装置及方法
CN106470484A (zh) * 2015-08-14 2017-03-01 中兴通讯股份有限公司 一种用户设备模拟基站通信的方法、用户设备和基站

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1079651A1 (fr) * 1999-08-20 2001-02-28 Lucent Technologies Inc. Système et procédé pour des appels locals sans fil
US6415146B1 (en) * 1999-05-25 2002-07-02 Lucent Technologies Inc. Wireless system enabling mobile-to-mobile communication
US20080002658A1 (en) * 2006-06-30 2008-01-03 Soliman Samir S System and method for high speed local connectivity between local devices

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20020160781A1 (en) 2001-02-23 2002-10-31 Gunnar Bark System, method and apparatus for facilitating resource allocation in a communication system
US7016673B2 (en) 2002-10-01 2006-03-21 Interdigital Technology Corporation Wireless communication method and system with controlled WTRU peer-to-peer communications
US20050025181A1 (en) * 2003-05-02 2005-02-03 Ala Nazari Service advisor
ATE412326T1 (de) 2006-06-20 2008-11-15 Alcatel Lucent Verfahren zum weiterreichen eines mobilen terminals, basisstation und netzwerk dafür
US8295243B2 (en) * 2006-08-21 2012-10-23 Qualcomm Incorporated Method and apparatus for random access in an orthogonal multiple-access communication system
WO2008095250A1 (fr) 2007-02-09 2008-08-14 Clipsal Australia Pty Ltd Système de communication par réseau sans fil
US8417213B2 (en) * 2008-04-06 2013-04-09 Lg Electronics Inc. Emergency communications support method
US8554200B2 (en) * 2008-09-12 2013-10-08 Nokia Corporation Method and apparatus for providing interference measurements for device to-device communication

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6415146B1 (en) * 1999-05-25 2002-07-02 Lucent Technologies Inc. Wireless system enabling mobile-to-mobile communication
EP1079651A1 (fr) * 1999-08-20 2001-02-28 Lucent Technologies Inc. Système et procédé pour des appels locals sans fil
US20080002658A1 (en) * 2006-06-30 2008-01-03 Soliman Samir S System and method for high speed local connectivity between local devices

Cited By (31)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2013535134A (ja) * 2010-06-10 2013-09-09 クゥアルコム・インコーポレイテッド ダウンリンクおよびアップリンクの対称波形を用いたピアツーピア通信
WO2011156638A3 (fr) * 2010-06-10 2012-02-16 Qualcomm Incorporated Communication poste à poste à forme d'onde symétrique pour les liaisons descendante et montante
WO2012037160A1 (fr) * 2010-09-13 2012-03-22 Qualcomm Incorporated Procédé, appareil et produit programme d'ordinateur pour faciliter l'utilisation de structures de découpage en canaux lte et de formes d'onde pour communications de poste à poste
CN103098532A (zh) * 2010-09-13 2013-05-08 高通股份有限公司 用于促进使用lte信道化结构和波形以进行对等通信的方法、装置和计算机程序产品
JP2013543673A (ja) * 2010-09-13 2013-12-05 クゥアルコム・インコーポレイテッド ピア・ツー・ピア通信のためｌｔｅチャネライゼーション構造および波形の使用を容易にするための方法、装置およびコンピュータ・プログラム製品
US8811142B2 (en) 2010-09-13 2014-08-19 Qualcomm Incorporated Method and apparatus to facilitate use of LTE channelization structures and waveforms for peer-to-peer communications
JP2012119827A (ja) * 2010-11-30 2012-06-21 Ntt Docomo Inc 移動通信方法、無線基地局及び移動局
WO2012078911A1 (fr) * 2010-12-10 2012-06-14 Qualcomm Incorporated Procédés et appareil pour programmer une communication poste à poste dans un spectre de réseaux étendus sans fil
US9363753B2 (en) 2011-07-19 2016-06-07 Qualcomm Incorporated Sleep mode for user equipment relays
JP2014521283A (ja) * 2011-07-19 2014-08-25 クゥアルコム・インコーポレイテッド ユーザ機器リレーのためのスリープ・モード
US9591679B2 (en) 2012-09-17 2017-03-07 Blackberry Limited Initiation of inter-device communication in wireless communication systems
US9826381B2 (en) 2012-09-18 2017-11-21 Blackberry Limited Device handshake/discovery for inter-device communication in wireless communication systems
WO2014046717A1 (fr) * 2012-09-21 2014-03-27 Research In Motion Limited Architecture d'équipement utilisateur pour communication entre dispositifs dans des systèmes de communication sans fil
US8982895B2 (en) 2012-09-21 2015-03-17 Blackberry Limited Inter-device communication in wireless communication systems
KR20150054001A (ko) * 2012-09-21 2015-05-19 블랙베리 리미티드 무선 통신 시스템에서의 디바이스간 통신을 위한 사용자 장비 아키텍쳐
CN105027661B (zh) * 2012-09-21 2020-07-07 黑莓有限公司 用于无线通信系统中设备间通信的方法和用户设备架构
TWI500353B (zh) * 2012-09-21 2015-09-11 Blackberry Ltd 無線通信系統中裝置間通信之使用者設備架構
KR101595710B1 (ko) 2012-09-21 2016-02-18 블랙베리 리미티드 무선 통신 시스템에서의 디바이스간 통신을 위한 사용자 장비 아키텍쳐
US9014113B2 (en) 2012-09-21 2015-04-21 Blackberry Limited User equipment architecture for inter-device communication in wireless communication systems
US10154467B2 (en) 2012-09-26 2018-12-11 Blackberry Limited Transmit power adjustment for inter-device communication in wireless communication systems
US9137836B2 (en) 2012-10-15 2015-09-15 Blackberry Limited Inter-device communication authorization and data sniffing in wireless communication systems
CN104509199A (zh) * 2013-08-01 2015-04-08 华为技术有限公司 数据传输方法和系统
CN104509199B (zh) * 2013-08-01 2019-05-10 华为技术有限公司 数据传输方法和系统
US10064068B2 (en) 2013-08-16 2018-08-28 Blackberry Limited Providing secondary coverage in a mobile communication system
US9565573B2 (en) 2013-08-16 2017-02-07 Blackberry Limited Providing secondary coverage in a mobile communication system
US10531310B2 (en) 2013-08-16 2020-01-07 Blackberry Limited Providing secondary coverage in a mobile communication system
WO2015023867A3 (fr) * 2013-08-16 2015-06-04 Blackberry Limited Fourniture de couverture secondaire dans un système de communications mobiles
US11528617B2 (en) 2013-08-16 2022-12-13 Blackberry Limited Providing secondary coverage in a mobile communication system
US9949246B2 (en) 2013-09-27 2018-04-17 Telefonaktiebolaget Lm Ericsson (Publ) Device to device (D2D) control information relay
RU2628018C1 (ru) * 2013-09-27 2017-08-14 Телефонактиеболагет Л М Эрикссон (Пабл) Ретрансляция управляющей информации в режиме устройство-устройство (d2d)
WO2015047167A1 (fr) * 2013-09-27 2015-04-02 Telefonaktiebolaget L M Ericsson (Publ) Relais d'informations de commande de dispositif à dispositif (d2d)

Also Published As

Publication number Publication date
TWI418233B (zh) 2013-12-01
TW201108838A (en) 2011-03-01
KR20110086758A (ko) 2011-07-29
EP2366267A1 (fr) 2011-09-21
US20100136997A1 (en) 2010-06-03
CN102217411A (zh) 2011-10-12
JP2012509650A (ja) 2012-04-19
JP5384660B2 (ja) 2014-01-08
US9084283B2 (en) 2015-07-14
CN102217411B (zh) 2015-03-11
KR101344887B1 (ko) 2013-12-26
BRPI0921572A2 (pt) 2018-05-29

Similar Documents

Publication Publication Date Title
US9084283B2 (en) Peer-to-peer communication using a wide area network air interface
CN110870245B (zh) 用于物理信道的取决于帧结构的配置的方法和装置
EP3391572B1 (fr) Prach à bande étroite avec distances de saut de tonalité multiples
US20190020424A1 (en) Channel quality measurement in unlicensed deployments
US11856517B2 (en) Signaling for multi-panel UE activation
US11109312B2 (en) Dynamic group wake-up reconfiguration
JP2022516892A (ja) 不連続受信中の起動シグナリングを容易にするための方法および装置
KR20150023777A (ko) 무선통신 시스템에서 복수의 캐리어를 지원하는 프레임 구조에 따라 신호를 송수신하는 방법 및 이를 위한 장치
CN113785623A (zh) 多面板激活/去激活状态报告
CN113728579A (zh) 对于多面板ue激活/停用的控制
US20230026410A1 (en) Techniques for downlink and uplink data dci triggering for full duplex ues in a wireless communication system
US11765785B2 (en) Discontinuous reception notifications in a wireless communication system
CN114342458A (zh) 用于促进在连接模式不连续接收模式期间的多任务化和智能位置选择的方法和装置
US20220159775A1 (en) User equipment specific discontinuous reception cycle
CN114175522A (zh) 用于报告用户设备（ue）面板相关信息的技术
US20230164772A1 (en) Joint scheduling of sidelink and uu link
CN115997422A (zh) 用于连接模式不连续接收切换的用户设备优化
US11812457B2 (en) Conflict resolution for self interference measurement
US20210385057A1 (en) Autonomous fallback for full-duplex beam pair
US20240107423A1 (en) Contention-free ris handover via barring
EP4088527A1 (fr) Indication robuste de faisceau rapide basée sur dci
US20240121814A1 (en) Power allocation and on/off control for distributed mimo systems
CN117099406A (zh) Ntn中的蜂窝小区禁止规程

Legal Events

Date Code Title Description
WWE Wipo information: entry into national phase

Ref document number: 200980146158.7

Country of ref document: CN

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

Ref document number: 09774772

Country of ref document: EP

Kind code of ref document: A1

WWE Wipo information: entry into national phase

Ref document number: 2836/CHENP/2011

Country of ref document: IN

NENP Non-entry into the national phase

Ref country code: DE

WWE Wipo information: entry into national phase

Ref document number: 2011537625

Country of ref document: JP

WWE Wipo information: entry into national phase

Ref document number: 2009774772

Country of ref document: EP

ENP Entry into the national phase

Ref document number: 20117014207

Country of ref document: KR

Kind code of ref document: A

ENP Entry into the national phase

Ref document number: PI0921572

Country of ref document: BR

Kind code of ref document: A2

Effective date: 20110518