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WO2007123519A1 - Ordonnancement cooperatif de transmission de station de base maitre et esclave pour fournir une coexistence entre des reseaux - Google Patents

Ordonnancement cooperatif de transmission de station de base maitre et esclave pour fournir une coexistence entre des reseaux Download PDF

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Publication number
WO2007123519A1
WO2007123519A1 PCT/US2006/015007 US2006015007W WO2007123519A1 WO 2007123519 A1 WO2007123519 A1 WO 2007123519A1 US 2006015007 W US2006015007 W US 2006015007W WO 2007123519 A1 WO2007123519 A1 WO 2007123519A1
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WIPO (PCT)
Prior art keywords
interval
communication
recited
frame
network
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Ceased
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PCT/US2006/015007
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English (en)
Inventor
Neal Oliver
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Intel Corp
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Intel Corp
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Filing date
Publication date
Application filed by Intel Corp filed Critical Intel Corp
Priority to PCT/US2006/015007 priority Critical patent/WO2007123519A1/fr
Publication of WO2007123519A1 publication Critical patent/WO2007123519A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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Classifications

    • 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
    • H04B7/26—Radio transmission systems, i.e. using radiation field for communication between two or more posts at least one of which is mobile
    • H04B7/2643—Radio transmission systems, i.e. using radiation field for communication between two or more posts at least one of which is mobile using time-division multiple access [TDMA]
    • H04B7/2656—Radio transmission systems, i.e. using radiation field for communication between two or more posts at least one of which is mobile using time-division multiple access [TDMA] for structure of frame, burst
    • 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

Definitions

  • broadband communications Due to increasing uses for broadband communications, it is becoming more important to be able to provide high-speed, low-cost communication services to mobile subscribers.
  • One potential use for mobile broadband communication services includes emergency services communications used by police, fire department and other emergency personnel, for example, to transmit streaming video from a moving police car or to transmit electronic maps to first-responders in an emergency. Accordingly, it is desirable to provide high bandwidth wireless communications to mobile subscribers. Issues with geographic coverage, FCC spectrum allocation, throughput and other various issues drive the cost of current solutions to an unacceptable level.
  • FIG. 1 illustrates a wireless communication system capable of providing broadband communications to mobile subscriber stations according to an embodiment of the present invention.
  • FIG. 2 illustrates a typical frame structure for a wireless system.
  • FIG. 3 illustrates a frame structure used for cooperative scheduling according to an embodiment of the present invention.
  • FIG. 4 illustrates an example of cooperative scheduling in a wireless system according to an embodiment of the present invention.
  • FIG. 5 illustrates another example of cooperative scheduling in a wireless system according to an embodiment of the present invention.
  • FIG. 6 illustrates a base station architecture according to an embodiment of the present invention.
  • references to "one embodiment,” “an embodiment,” “example embodiment,” “various embodiments,” and the like, indicate that the embodiment(s) of the invention so described may include a particular feature, structure, or characteristic, but not every embodiment necessarily includes the particular feature, structure, or characteristic. Further, repeated use of the phrase “in one embodiment” does not necessarily refer to the same embodiment, although it may.
  • OFDM Orthogonal Frequency Division Multiplexing
  • wireless metropolitan area networks WMANs
  • WLANs wireless local area networks
  • WPANs wireless personal area networks
  • WWANs wireless wide area networks
  • Radio systems specifically included within the scope of the present invention include, but are not limited to, network interface cards (NICs), network adaptors, mobile stations, base stations, access points (APs), gateways, bridges, hubs and cellular radiotelephones.
  • NICs network interface cards
  • APs access points
  • gateways bridges
  • hubs hubs
  • cellular radiotelephones a radiotelephone
  • radio systems within the scope of the invention may include cellular radiotelephone systems, satellite systems, personal communication systems (PCS), two-way radio systems, two-way pagers, personal computers (PCs) and related peripherals, personal digital assistants (PDAs), personal computing accessories and all existing and future arising systems which may be related in nature and to which the principles of the inventive embodiments could be suitably applied.
  • PCS personal communication systems
  • PDAs personal digital assistants
  • FIG. 1 illustrates a wireless communication system 100 capable of providing broadband communications to mobile subscriber stations according to an embodiment of the present invention.
  • System 100 may be any type of wireless network such as a wireless metropolitan area network (WMAN), a wireless wide area network (WWAN), a wireless local area network (WLAN), wireless personal area networks (WPAN) or any other wireless network where two or more devices communicate via an air interface.
  • System 100 includes one or more master base stations (MBS) 102 to communicate with one or more slave base stations (SBSs) 104 and 106.
  • MBS 102, SBS 104, and SBS 106 are typically fixed in location. However, the invention is not limited in this respect.
  • SBS 104 communicates with one or more mobile subscriber stations (MSSs) 110-118.
  • MSSs mobile subscriber stations
  • SBS 106 communicates with one or more MSSs 120-128.
  • MBS 102 may provide an access point to an external IP network 130.
  • MBS 102 and/or SBS 104 and SBS 106 each have a scheduler, schedulers 132, 134, and 136, respectively.
  • System 100 may further include one or more other wired or additional wireless network devices as desired.
  • system 100 may use an air interface utilizing multi-carrier modulation such as OFDM, although the embodiments of the invention are not limited in this respect.
  • OFDM works by dividing up a wideband channel into a larger number of sub-channels. By placing a subcarrier in each sub-channel, each subcarrier may be modulated separately depending on the signal interference to noise ratio (SINR) characteristics in that particular narrow portion of the band.
  • SINR signal interference to noise ratio
  • transmission may occur over a radio channel which may be divided into intervals of uniform duration called frames.
  • frames There are many different physical layer protocols which may be used to encode data into frames.
  • the physical frame may be divided into a time sequence of OFDM symbols. Each symbol may be composed of a collection of modulation symbols multiplexed in frequency (for example, using quaternary phase shift keying (QPSK), 16-bit or 64-bit quadrature amplitude modulation (QAM)), into which data are encoded, although the present invention is not limited in this respect.
  • QPSK quaternary phase shift keying
  • QAM quadrature amplitude modulation
  • a wireless link between MBS 102 and SBS 104 or SBS 106 may be according to a wireless standard, for example the IEEE 802.16 WirelessMAN standard published April 8, 2002.
  • a wireless link between one of SBS 104 and SBS 106 and a MSS, such as MSS 110 or MSS 120, respectively, may be according to the same or a different wireless standard.
  • the invention is not limited in this respect.
  • a hierarchical architecture is implemented in which MBS 102, SBS 104 and SBS 106 form a different network than is formed by SBS 104 and MSSs 110-118 or by SBS 106 and MSSs 120-128.
  • Spectrum and bandwidth constraints may require the use of spectral ranges on an SBS/MSS link that is close to the spectral range of an MBS/SBS link.
  • the different networks may not operate transparently to each other.
  • SBS 104 is part of a network formed between SBS 104 and MBS 102 and is also part of a network formed by SBS 104 and MSSs 110-118, SBS 104 should not transmit and receive at the same time in order to avoid self-interference.
  • spectral range issues and/or self-interference by an SBS is avoided by providing cooperatively scheduled transmissions for the different networks.
  • master frames that is, frames transmitted between an MBS and an SBS
  • slave frames that is, frames transmitted between an SBS and an MSS
  • each may have silent intervals and/or deaf intervals.
  • a silent interval is an interval in which no transmission is made.
  • a deaf interval is an interval in which any transmissions made are ignored.
  • the silent and deaf intervals allow communication in another network to occur without interference. For example, a deaf or silent interval in a master frame may coincide with a transmission or reception interval of a slave frame and vice versa.
  • silent and deaf intervals may be configured by a management interface. Silent and deaf intervals may be predetermined and configured in all MBSs and SBSs. In another embodiment of the present invention, silent and deaf intervals may be configured by a media access control layer (MAC) control message sent between an MBS and an SBS. For example, an MBS may determine appropriate silent and deaf intervals for each device and communicate the interval in a message.
  • MAC media access control layer
  • FIG. 2 illustrates a typical frame structure for a wireless system.
  • Frame 200 is a time division duplex (TDD) frame.
  • Frame 200 includes preamble/FCH interval 202, downlink bursts interval 204, ranging contention interval 206, bandwidth contention interval 208 and uplink PDUs interval 210.
  • Intervals 202 and 204 form a downlink portion of frame 200 where data is sent down stream, for example, from MBS 102 to SBS 104 or from SBS 104 to MSS 110.
  • Intervals 206, 208, and 210 form an uplink portion of frame 200 where data is sent up stream, for example, from SBS 104 to MBS 102 or from MSS 110 to SBS 104.
  • a channel may carry multiple service flows of data between an MBS and one or more SBSs or an SBS and one or more MSSs.
  • each service flow may include a connection ID, quality of service (QoS) class, and/or other flow specific parameters.
  • QoS quality of service
  • both data from the service flows and/or control messages may be transmitted.
  • a downlink map and/or an uplink map may be transmitted.
  • the downlink map may describe to the receiving stations where their data is to be found in the downlink subframe, and which burst profile should be used to decode it.
  • the uplink map may describe to the receiving stations the bandwidth and location in the uplink subframe that has been reserved for their uplink transmissions in the frame.
  • packets may be transmitted in the regions of uplink subframe as specified in the uplink map received. These packets may contain data from service flows and control messages, including additional bandwidth requests.
  • An MBS or an SBS may therefore include a scheduler responsible for scheduling packet transmissions in the downlink and bandwidth grants for the uplink.
  • the MBS or SBS may manage queues of service flow data from high-level protocols and queues of bandwidth requests received, construct the uplink and downlink maps and assemble the frame data structure which may be subsequently encoded by the physical layer.
  • FIG. 3 illustrates a frame structure used for cooperative scheduling according to an embodiment of the present invention.
  • Frame 300 includes preamble/FCH interval 302, downlink bursts interval 304, ranging contention interval 306, bandwidth contention interval 308 and uplink PDUs interval 310, similar to intervals 202-210 of frame 200.
  • a silent interval 322 is included with the downlink portion of frame 300.
  • a deaf interval 324 is included with the uplink portion of frame 300.
  • the duration of time for each interval is designated as T P , T B i, T s> T R , T c , T B2 , and T D for preamble/FCH interval 302, downlink bursts interval 304, silent interval 322, ranging contention interval 306, bandwidth contention interval 308, uplink PDUs interval 310, and deaf interval 324, respectively.
  • Upper case T identifies an interval of a master frame, that is, a frame between an MBS and an SBS.
  • a lower case t identifies an interval of a slave frame, that is, a frame between an SBS and an MSS.
  • transmissions are not sent in the downlink silent interval of a particular frame.
  • transmissions are not received in the uplink deaf interval of a particular frame.
  • master and slave frames may overlap in time.
  • transmissions may be sent or received in a slave frame.
  • silent and deaf intervals are created by action on the part of a scheduler and may not require modifications to an existing wireless standard.
  • silent and deaf intervals are illustrated according to time division in FIG. 3, according to an embodiment of the present invention, the silent and deaf intervals may be allocated according to one or more OFDM subchannels.
  • the invention is not limited in this respect.
  • FIG. 4 illustrates an example of cooperative scheduling in a wireless system according to an embodiment of the present invention.
  • a master frame 400 between an MBS and an SBS overlaps in time with a slave frame 410 between the SBS and an MSS.
  • Master frame 400 includes a downlink portion illustrated by arrow 402 and an uplink portion illustrated by arrow 404.
  • Slave frame 410 includes a downlink portion illustrated by arrow 412 and an uplink portion illustrated by arrow 414.
  • a silent interval Ts in the downlink portion of master frame 400 coincides with a transmitting portion (tp and tei) of the downlink portion of slave frame 410.
  • the MBS is not transmitting while the SBS is transmitting to the MSS.
  • a deaf interval T D in the uplink portion of master frame 400 coincides with a receiving portion (tR+tc and t ⁇ 2 ) of the uplink portion of slave frame 410.
  • the MBS is not receiving while the MSS is transmitting to the SBS.
  • a silent interval ts in the downlink portion of slave frame 410 coincides with a transmitting portion (T R +T C and T B2 ) of the uplink portion of master frame 400.
  • the SBS is not transmitting to the MSS while the SBS is transmitting to the MBS.
  • a deaf interval to in the uplink portion of slave frame 410 coincides with a receiving portion (Tp and T BI ) of the uplink portion of master frame 400.
  • the SBS is not receiving from the MSS while the MBS is transmitting to the SBS (not shown).
  • T is the length of a master frame without silent or deaf intervals
  • T m the length of master frame 400
  • t the length of a slave frame without silent or deaf intervals
  • t m the length of slave frame 410
  • master frame 400 and slave frame 410 are the same length, and out of phase by time Tp + T B I . Because master frame 400 leads slave frame 410, the SBS may determine the length of the phase shift and determine the values of ts and to and schedule the silent and deaf intervals for slave frame 410.
  • the overhead imposed on master frame 400 is the length of slave frame 410 without the silent and deaf intervals, and the overhead imposed on slave frame 410 is the length of master frame 400 without the silent and deaf intervals.
  • FIG. 5 illustrates another example of cooperative scheduling according to an embodiment of the present invention.
  • a master frame 500 between an MBS and an SBS overlaps in time with a slave frame 510 between the SBS and an MSS.
  • Master frame 500 includes a downlink portion and an uplink portion illustrated by arrow 502 and arrow 504, respectively.
  • Slave frame 510 includes an uplink portion and a downlink portion illustrated by arrow 512 and arrow 514, respectively.
  • Master frame 500 and slave frame 510 are scheduled out of phase such that the downlink portion of master frame 500 coincides with the uplink portion of slave frame 510 and the uplink portion of master frame 500 coincides with the downlink portion of slave frame 510. If the coinciding portions of master frame 500 and slave frame 510 are of similar length, the scheduling is very efficient and minimal if any deaf intervals are needed. For portions of differing lengths, silent or deaf intervals are used as padding such that the coinciding portions are the same length. [0036] Referring to FIG. 5, slave frame 510 has downlink and uplink transmitting portions that are shorter than the corresponding uplink and downlink portions of master frame 500.
  • FIG. 6 illustrates a base station architecture according to an embodiment of the present invention.
  • a bases station 610 may be a master base station or a slave base station.
  • Base station 610 may include a wireless transceiver 612 to couple to one or more antennas 614 and to a baseband processor 616.
  • Baseband processor 616 includes MAC and PHY layer processing. Further, baseband processor 616 includes a scheduler 618.
  • Baseband processor 616 in one embodiment may include a single processor, or alternatively may include a baseband processor and an applications processor, although the scope of the invention is not limited in this respect.
  • Baseband processor 616 may couple to a memory 620 which may include volatile memory such as DRAM, non- volatile memory such as flash memory, or alternatively may include other types of storage such as a hard disk drive, although the scope of the invention is not limited in this respect. Some portion or all of memory 620 may be included on the same integrated circuit as baseband processor 616, or alternatively some portion or all of memory 620 may be disposed on an integrated circuit or other medium, for example a hard disk drive, that is external to the integrated circuit of baseband processor 616, although the scope of the invention is not limited in this respect.
  • volatile memory such as DRAM
  • non- volatile memory such as flash memory
  • other types of storage such as a hard disk drive
  • the computer readable media may include, for example and without limitation, any number of the following: magnetic storage media including disk and tape storage media; optical storage media such as compact disk media (e.g., CD-ROM, CD-R, etc.) and digital video disk storage media; holographic memory; nonvolatile memory storage media including semiconductor-based memory units such as FLASH memory, EEPROM, EPROM, ROM; ferromagnetic digital memories; volatile storage media including registers, buffers or caches, main memory, RAM, etc.; and data transmission media including permanent and intermittent computer networks, point-to-point telecommunication equipment, carrier wave transmission media, the Internet, just to name a few.
  • Other new and various types of computer-readable media may be used to store and/or transmit the software modules discussed herein.
  • Computing systems may be found in many forms including but not limited to mainframes, minicomputers, servers, workstations, personal computers, notepads, personal digital assistants, various wireless devices and embedded systems, just to name a few.
  • a typical computing system includes at least one processing unit, associated memory and a number of input/output (I/O) devices.
  • I/O input/output
  • a computing system processes information according to a program and produces resultant output information via I/O devices.

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

Abstract

La présente invention concerne des intervalles de temps silencieux et sourds qui sont ordonnancés dans un format de trame d'un premier réseau pour permettre la réalisation de transmissions dans un second réseau sans interférence.
PCT/US2006/015007 2006-04-20 2006-04-20 Ordonnancement cooperatif de transmission de station de base maitre et esclave pour fournir une coexistence entre des reseaux Ceased WO2007123519A1 (fr)

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PCT/US2006/015007 WO2007123519A1 (fr) 2006-04-20 2006-04-20 Ordonnancement cooperatif de transmission de station de base maitre et esclave pour fournir une coexistence entre des reseaux

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Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2009064678A1 (fr) * 2007-11-16 2009-05-22 Qualcomm Incorporated Conception de préambule pour signal hertzien
WO2009101567A1 (fr) * 2008-02-12 2009-08-20 Nxp B.V. Arrangement de communications sans fil, réseau et approche associés pour gérer un canal partagé parmi des systèmes sans fil différents
JP2013062822A (ja) * 2007-11-16 2013-04-04 Qualcomm Inc ワイヤレス信号のプリアンブル設計
US8768372B2 (en) 2008-02-13 2014-07-01 Qualcomm Incorporated Sector interference management based on inter-sector performance
US8918112B2 (en) 2007-11-16 2014-12-23 Qualcomm Incorporated Preamble design for a wireless signal
US9215669B2 (en) 2007-11-16 2015-12-15 Qualcomm Incorporated Preamble design for a wireless signal
US9801188B2 (en) 2008-02-01 2017-10-24 Qualcomm Incorporated Backhaul signaling for interference avoidance

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5732076A (en) * 1995-10-26 1998-03-24 Omnipoint Corporation Coexisting communication systems
US20020018459A1 (en) * 2000-05-30 2002-02-14 Alcatel Method of synchronizing the operation of two or more interfaces
US20020093929A1 (en) * 2001-01-18 2002-07-18 Koninklijke Philips Electronics N.V. System and method for sharing bandwidth between co-located 802.11a/e and HIPERLAN/2 systems
US20030128684A1 (en) * 2002-01-09 2003-07-10 Koninklijke Philips Electronics N.V. Coexistence of modulation schemes in a WLAN
US20040141522A1 (en) * 2001-07-11 2004-07-22 Yossi Texerman Communications protocol for wireless lan harmonizing the ieee 802.11a and etsi hiperla/2 standards

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5732076A (en) * 1995-10-26 1998-03-24 Omnipoint Corporation Coexisting communication systems
US20020018459A1 (en) * 2000-05-30 2002-02-14 Alcatel Method of synchronizing the operation of two or more interfaces
US20020093929A1 (en) * 2001-01-18 2002-07-18 Koninklijke Philips Electronics N.V. System and method for sharing bandwidth between co-located 802.11a/e and HIPERLAN/2 systems
US20040141522A1 (en) * 2001-07-11 2004-07-22 Yossi Texerman Communications protocol for wireless lan harmonizing the ieee 802.11a and etsi hiperla/2 standards
US20030128684A1 (en) * 2002-01-09 2003-07-10 Koninklijke Philips Electronics N.V. Coexistence of modulation schemes in a WLAN

Cited By (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2013229880A (ja) * 2007-11-16 2013-11-07 Qualcomm Inc ワイヤレス信号のプリアンブル設計
CN101911783B (zh) * 2007-11-16 2014-08-27 高通股份有限公司 无线信号的前导码设计
JP2011504687A (ja) * 2007-11-16 2011-02-10 クゥアルコム・インコーポレイテッド ワイヤレス信号のプリアンブル設計
AU2008321156B2 (en) * 2007-11-16 2011-10-27 Qualcomm Incorporated Preamble design for a wireless signal
KR101201982B1 (ko) 2007-11-16 2012-11-15 콸콤 인코포레이티드 무선 신호에 대한 프리앰블 설계
RU2469506C2 (ru) * 2007-11-16 2012-12-10 Квэлкомм Инкорпорейтед Состав заголовка для беспроводного сигнала
US9264976B2 (en) 2007-11-16 2016-02-16 Qualcomm Incorporated Preamble design for a wireless signal
US9215669B2 (en) 2007-11-16 2015-12-15 Qualcomm Incorporated Preamble design for a wireless signal
WO2009064678A1 (fr) * 2007-11-16 2009-05-22 Qualcomm Incorporated Conception de préambule pour signal hertzien
JP2013066192A (ja) * 2007-11-16 2013-04-11 Qualcomm Inc ワイヤレス信号のプリアンブル設計
JP2013062822A (ja) * 2007-11-16 2013-04-04 Qualcomm Inc ワイヤレス信号のプリアンブル設計
US8918112B2 (en) 2007-11-16 2014-12-23 Qualcomm Incorporated Preamble design for a wireless signal
JP2015156688A (ja) * 2007-11-16 2015-08-27 クゥアルコム・インコーポレイテッドＱｕａｌｃｏｍｍ Ｉｎｃｏｒｐｏｒａｔｅｄ ワイヤレス信号のプリアンブル設計
US9801188B2 (en) 2008-02-01 2017-10-24 Qualcomm Incorporated Backhaul signaling for interference avoidance
WO2009101567A1 (fr) * 2008-02-12 2009-08-20 Nxp B.V. Arrangement de communications sans fil, réseau et approche associés pour gérer un canal partagé parmi des systèmes sans fil différents
US8768372B2 (en) 2008-02-13 2014-07-01 Qualcomm Incorporated Sector interference management based on inter-sector performance

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