Classifications

• • H—ELECTRICITY
  • H04—ELECTRIC COMMUNICATION TECHNIQUE
  • H04W—WIRELESS COMMUNICATION NETWORKS
  • H04W68/00—User notification, e.g. alerting and paging, for incoming communication, change of service or the like
  • H04W68/02—Arrangements for increasing efficiency of notification or paging channel
• • H—ELECTRICITY
  • H04—ELECTRIC COMMUNICATION TECHNIQUE
  • H04W—WIRELESS COMMUNICATION NETWORKS
  • H04W16/00—Network planning, e.g. coverage or traffic planning tools; Network deployment, e.g. resource partitioning or cells structures
  • H04W16/14—Spectrum sharing arrangements between different networks
• • H—ELECTRICITY
  • H04—ELECTRIC COMMUNICATION TECHNIQUE
  • H04W—WIRELESS COMMUNICATION NETWORKS
  • H04W68/00—User notification, e.g. alerting and paging, for incoming communication, change of service or the like
• • H—ELECTRICITY
  • H04—ELECTRIC COMMUNICATION TECHNIQUE
  • H04W—WIRELESS COMMUNICATION NETWORKS
  • H04W72/00—Local resource management
  • H04W72/04—Wireless resource allocation
  • H04W72/044—Wireless resource allocation based on the type of the allocated resource
  • H04W72/0446—Resources in time domain, e.g. slots or frames
• • H—ELECTRICITY
  • H04—ELECTRIC COMMUNICATION TECHNIQUE
  • H04W—WIRELESS COMMUNICATION NETWORKS
  • H04W72/00—Local resource management
  • H04W72/12—Wireless traffic scheduling
• • H—ELECTRICITY
  • H04—ELECTRIC COMMUNICATION TECHNIQUE
  • H04W—WIRELESS COMMUNICATION NETWORKS
  • H04W76/00—Connection management
  • H04W76/20—Manipulation of established connections
  • H04W76/28—Discontinuous transmission [DTX]; Discontinuous reception [DRX]
• • H—ELECTRICITY
  • H04—ELECTRIC COMMUNICATION TECHNIQUE
  • H04W—WIRELESS COMMUNICATION NETWORKS
  • H04W84/00—Network topologies
  • H04W84/02—Hierarchically pre-organised networks, e.g. paging networks, cellular networks, WLAN [Wireless Local Area Network] or WLL [Wireless Local Loop]
  • H04W84/022—One-way selective calling networks, e.g. wide area paging
  • H04W84/027—One-way selective calling networks, e.g. wide area paging providing paging services

Definitions

• Another aspect of the disclosure provides a non-transitory computer-readable medium having stored thereon instructions that, when executed, cause a processor of a long term evolution unlicensed (LTE-U) device to determine an interval of time for reception of a paging indication on an unlicensed communication spectrum, and receive an anchor signal during the interval of time on the unlicensed communication spectrum, the anchor signal comprising the paging indication.
• LTE-U long term evolution unlicensed
• FIG. 1 illustrates an example of a wireless communication system in which aspects of the present disclosure may be employed.
• FIG. 3A illustrates an exemplary time sequence diagram of communications in an unlicensed spectrum, in accordance with an embodiment.
• FIG. 3B illustrates another exemplary time sequence diagram of communications in an unlicensed spectrum, in accordance with an embodiment.
• FIG. 4B illustrates another exemplary time sequence diagram of communications in an unlicensed spectrum, in accordance with an embodiment.
• FIG. 5 is a flowchart of an exemplary method of wireless communication, in accordance with an embodiment.
• a WLAN includes various devices which access the wireless access network. For example, there may be: access points ("APs") and clients (also referred to as stations, or "STAs").
• APs access points
• STAs stations
• an AP serves as a hub or a base station for the STAs in the WLAN.
• a STA may be a laptop computer, a personal digital assistant (PDA), a mobile phone, etc.
• PDA personal digital assistant
• an STA connects to an AP via a Wi-Fi (e.g., IEEE 802.11 protocol such as 802.1 lah) compliant wireless link to obtain general connectivity to the Internet or to other wide area access networks.
• Wi-Fi e.g., IEEE 802.11 protocol such as 802.1 lah
• an STA may also be used as an AP.
• a station may also comprise, be implemented as, or known as a user terminal, an access terminal (“AT”), a subscriber station, a subscriber unit, a mobile station, a remote station, a remote terminal, a user agent, a user device, a user equipment, or some other terminology.
• a phone e.g., a cellular phone or smartphone
• a computer e.g., a laptop
• a portable communication device e.g., a headset
• a portable computing device e.g., a personal data assistant
• an entertainment device e.g., a music or video device, or a satellite radio
• a gaming device or system e.g., a global positioning system device, a Node-B (Base-station), or any other suitable device that is configured to communicate via a wireless medium.
• Node-B Base-station
• a TDMA network may implement a radio technology such as Global System for Mobile Communications (GSM).
• GSM Global System for Mobile Communications
• An OFDMA network may implement a radio technology such as Evolved UTRA (E-UTRA), IEEE 802.11, IEEE 802.16, IEEE 802.20, Flash-OFDM, etc.
• E-UTRA, E-UTRA, and GSM are part of Universal Mobile Telecommunication System (UMTS).
• UMTS Universal Mobile Telecommunication System
• LTE Long Term Evolution
• UTRA, E-UTRA, GSM, UMTS and LTE are described in documents from an organization named "3rd Generation Partnership Project" (3GPP).
• the cdma2000 is described in documents from an organization named "3rd Generation Partnership Project 2" (3GPP2).
• the eNB 104 may communicate with the UE 106 over an unlicensed spectrum utilizing a time division multiplexing (TDM) protocol, which can provide fairness in accessing the wireless medium.
• TDM time division multiplexing
• the eNB 104 may only be able to transmit certain information to all of the UEs 106 during limited periods of time. This contrasts with communications on a licensed spectrum, which generally utilizes a continuous reception protocol. Thus, communication over an unlicensed spectrum may occur less frequently than communication over a licensed spectrum in some instances.
• the wireless device 202 for operation within the wireless communication system 100 of FIG. 1.
• the wireless device 202 may operate as the eNB 104 or any of the UE 106.
• the wireless device 202 may be configured and used in accordance with the various methods described herein.
• the processor 204 may comprise or be a component of a processing system implemented with one or more processors.
• the one or more processors may be implemented with any combination of general-purpose microprocessors, microcontrollers, digital signal processors (DSPs), field programmable gate array (FPGAs), programmable logic devices (PLDs), controllers, state machines, gated logic, discrete hardware components, dedicated hardware finite state machines, or any other suitable entities that can perform calculations or other manipulations of information.
• the wireless device 202 may include a transmitter 210 and a receiver 212 to allow transmission and reception of data between the wireless device 202 and a remote location.
• the transmitter 210 and receiver 212 may be combined into a transceiver 214.
• An antenna 216 may be electrically coupled to the transceiver 214.
• the wireless device 202 may also include (not shown) multiple transmitters, multiple receivers, multiple transceivers, and/or multiple antennas, which may be utilized during multiple-input multiple-output (MTMO) communications, for example.
• MTMO multiple-input multiple-output
• each of the multiple antennas may be dedicated for the transmission and/or reception of LTE-U, LTE-D, MuLTEfire, and/or WLAN communications.
• the wireless device may be covered by a housing unit 208.
• the wireless device 202 may also include a signal detector 218 that may be used in an effort to detect and quantify the level of signals received by the antenna 216, transmitter 210, receiver 212 or transceiver 214.
• the signal detector 218 may detect such signals in a form of detecting total energy, energy per subcarrier per symbol, power spectral density and others.
• the wireless device 202 may also include a digital signal processor (DSP) 220 for use in processing signals.
• the DSP 220 may be configured to generate a data unit for transmission.
• the data unit may comprise a physical-layer protocol data unit (PPDU).
• PPDU physical-layer protocol data unit
• the PPDU is referred to as a packet.
• the DSP 220 may operationally connected to the processor 204 and may share resources with the processor 220.
• a UE 106 that decodes the P-RNTI may determine that the subframe 354 is for paging. If the subframe 354 is for paging, then the data portion 365 may comprise an identifier for each paged UE 106.
• the UE 106 can monitor for a paging indication in one more subframes starting at a predetermined offset (e.g., 10 milliseconds) from the start of the UE's 106 normally assigned subset of paging subframes 350-355.
• a predetermined offset e.g. 10 milliseconds
• an eNB 104 may attempt to page the UE 106 again in a fallback subframe(s), upon determining that medium contention or some other reason did not allow the eNB 104 to transmit paging in the normally assigned subframes, for example.
• certain types of UEs 106 e.g.
• the time sequence diagram 400 of FIG. 4A comprises a transmission period 410 of 160ms.
• the transmission period 410 may be shorter or longer. Additional transmission periods may also be present before or after the transmission period 410, and may form part of a continuous transmission protocol.
• a plurality of frames 420 are transmitted within the transmission period 410.
• each frame 420 can comprise a plurality of subframes 425.
• each frame 420 can be 10ms in duration
• each of the subframes in the plurality of subframes 425 can be 1ms in duration.
• four subframes per frame 420 may be utilized as paging opportunities.
• the paging occasion 495 may be a window of time in which paging indications may be sent, such as 6ms.
• UEs 106 assigned to listen to paging occasions outside the DMTC window 470 may not be allowed (e.g., assigned) to also listen for paging occasions inside of the DMTC window 470, or vice versa.
• DMTC 0 ff S et frame wherein UE ID comprises an identifier of the LTE-U device, wherein NDMTC comprises a number of DMTC windows within the DRX cycle, wherein DMTCperiod_frames comprises a number of frames between subsequent DMTC windows, wherein N su bframes_per frame comprises a number of subframes in each frame, and wherein DMTC 0 ffset_frame comprises a number of subframes from a start time of the DMTC window where an anchor signal is located.
• N DMT C is based on a duration of the DRX cycle divided by a duration of a transmission period in which the DMTC window occurs.
• FIG. 6 is another flowchart of an exemplary method 600 of wireless communication, in accordance with an embodiment.
• the method 600 is described as implemented by the UE 106. However, as would be understood by one of ordinary skill in the art, the method 600 or some variation thereof may be implemented by one or more other suitable electronic devices, such as wireless devices 202 of FIG. 2, or the eNB 104 of FIG. 1. Although blocks may be described as occurring in a certain order, the blocks can be reordered, blocks can be omitted, and/or additional blocks can be added.
• the UE 106 may receive an additional paging indication outside of the assigned interval.
• receiving the additional paging indication in this manner may be based on at least one of a device priority (a priority of the LTE-U device), a priority of a message for the LTE-U device buffered by an access point, a determination by the LTE-U device that no subframes containing the paging indication were sent within the assigned interval, and a determination by the LTE-U device to monitor paging indication outside of the assigned interval.
• paging indications for lower priority devices or messages may be transmitted outside of a DMTC window.
• a subframe containing the additional paging indication is sent with a pilot that uses subframe-specific scrambling when the subframe is sent outside of a DMTC window.
• determining may include calculating, computing, processing, deriving, investigating, looking up (e.g., looking up in a table, a database or another data structure), ascertaining and the like. Also, “determining” may include receiving (e.g., receiving information), accessing (e.g., accessing data in a memory) and the like. Also, “determining” may include resolving, selecting, choosing, establishing and the like. Further, a "channel width" as used herein may encompass or may also be referred to as a bandwidth in certain aspects.
• any connection is properly termed a computer-readable medium.
• the software is transmitted from a website, server, or other remote source using a coaxial cable, fiber optic cable, twisted pair, digital subscriber line (DSL), or wireless technologies such as infrared, radio, and microwave
• the coaxial cable, fiber optic cable, twisted pair, DSL, or wireless technologies such as infrared, radio, and microwave are included in the definition of medium.
• Disk and disc includes compact disc (CD), laser disc, optical disc, digital versatile disc (DVD), floppy disk and Blu-ray disc where disks usually reproduce data magnetically, while discs reproduce data optically with lasers.
• Software or instructions may also be transmitted over a transmission medium.

Landscapes

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

Priority Applications (5)

Applications Claiming Priority (4)

Publications (1)

Family

ID=59498087

Family Applications (1)

Country Status (8)

Cited By (1)

Families Citing this family (24)

Citations (3)

Family Cites Families (21)

• 2017
  • 2017-01-17 US US15/408,233 patent/US10736076B2/en active Active
  • 2017-01-18 BR BR112018015865-8A patent/BR112018015865A2/en active IP Right Grant
  • 2017-01-18 WO PCT/US2017/013968 patent/WO2017136142A1/en not_active Ceased
  • 2017-01-18 JP JP2018540476A patent/JP6926098B2/ja active Active
  • 2017-01-18 CN CN201780009543.1A patent/CN108605231B/zh active Active
  • 2017-01-18 EP EP17702492.4A patent/EP3412053B1/en active Active
  • 2017-01-18 KR KR1020187022300A patent/KR102846673B1/ko active Active
  • 2017-01-19 TW TW106101776A patent/TWI733740B/zh active

Patent Citations (3)

Non-Patent Citations (1)

Also Published As

Similar Documents

Legal Events