WO2011082526A1 - Procédé et dispositif pour le partage du spectre de fréquences dans différents systèmes de communication sans fil - Google Patents

Procédé et dispositif pour le partage du spectre de fréquences dans différents systèmes de communication sans fil Download PDF

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Publication number
WO2011082526A1
WO2011082526A1 PCT/CN2010/070052 CN2010070052W WO2011082526A1 WO 2011082526 A1 WO2011082526 A1 WO 2011082526A1 CN 2010070052 W CN2010070052 W CN 2010070052W WO 2011082526 A1 WO2011082526 A1 WO 2011082526A1
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WO
WIPO (PCT)
Prior art keywords
base station
priority
reservation signal
time window
coexistence
Prior art date
Application number
PCT/CN2010/070052
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English (en)
Chinese (zh)
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WO2011082526A8 (fr
Inventor
邱吉刚
杨峰
徐斌阳
Original Assignee
上海贝尔股份有限公司
阿尔卡特朗讯公司
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.)
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Application filed by 上海贝尔股份有限公司, 阿尔卡特朗讯公司 filed Critical 上海贝尔股份有限公司
Priority to PCT/CN2010/070052 priority Critical patent/WO2011082526A1/fr
Priority to CN201080060669.XA priority patent/CN102696255B/zh
Publication of WO2011082526A1 publication Critical patent/WO2011082526A1/fr
Publication of WO2011082526A8 publication Critical patent/WO2011082526A8/fr

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    • 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

  • the present invention relates to wireless communications, and more particularly to mechanisms for spectrum sharing in wireless communication systems having different physical layer technologies. Background technique
  • the frequency sharing can be used to cause the slave device to utilize the spectrum band of the master device in a random manner.
  • the IEEE 802.22 system has used the TV band as a shared target band to implement a point-to-multipoint (P-MP) wireless area network (WRAN).
  • P-MP point-to-multipoint
  • WRAN wireless area network
  • spectrum sharing technology can achieve the coexistence of multiple wireless systems. Improving frequency usage.
  • the IEEE 802.16h working group is defining improved mechanisms based on the IEEE 802.16 standard, such as policy and media access control enhancements to achieve inter-system coexistence.
  • Additional interference and coexistence issues are examples of interference and coexistence issues.
  • the frequency sharing mechanism can be divided into two categories: collaborative mode and non-cooperative mode.
  • collaborative mode the wireless system can share information including IP addresses, channel states, and the like with each other using a wireless interface or other communication link.
  • cooperative mode can achieve higher spectrum utilization than the non-cooperative mode.
  • PHY technology multiple systems using different physical layer technologies (hereinafter referred to as PHY technology) may operate in the same region at the same time in the same frequency band.
  • IEEE 802.il ie compatible wireless LAN WLAN
  • Bluetooth devices ie compatible wireless LAN WLAN
  • home RF solutions ie compatible cordless phones, etc.
  • the IEEE 802.16h group has specified a technique for applying different PHY technologies.
  • the communication mechanism of the system pre-defined the reserved short time slots at the end of the DL (downlink) subframe.
  • the short time slot is referred to as CSI (Coexistence Signaling Interval), in which each base station (BS) identifies itself to the neighboring system, and Figure 1 shows the coexistence signaling interval allocation in the CX frame.
  • the shared channel includes a plurality of CX frames, and each CX frame is composed of 4 MAC frames. Each CX frame is subdivided into specific subframes including master, slave, and shared frames. For an originating base station (IBS), the corresponding CSI is called ICSI, which is allocated in the shared frame of the CX frame.
  • IBS originating base station
  • IBS uses ICSI to broadcast coexisting signaling messages to its neighboring systems. By cooperating with other BSs, the IBS will obtain its OCSI, which is the coexistence signaling interval assigned to one of the three non-shared frames in the CX frame. Once the BS has initiated the working phase and declares its primary frame, the BS will occupy the OSCI within the primary frame and release the ICSI described above for the new IBS.
  • OCSI the coexistence signaling interval assigned to one of the three non-shared frames in the CX frame.
  • a CSI sequence consisting of 256 slots should start at the first CX frame of every 256 CX frame in each system.
  • the CSI sequence should always start with 8 bits 1 (sequence start) and end with 8 bit 0 (end of sequence).
  • Each CSI sequence shall have an 8-bit additional cyclic redundancy check CRC to verify the correctness of the information carried in the CSI sequence.
  • the conventional CSI infrastructure is shown in Figure 2.
  • the traditional CSI allocation method defined in 802.16h does not guarantee that no conflicts will occur in ICSI.
  • IBSs When two or more IBSs wish to enter a coexisting community, they will start transmitting coexistence signaling messages at the first CX frame of every 256 CX frame in each system since they do not know each other's existence. In this case, their CSI sequences will collide with each other, and the neighboring system cannot successfully obtain the information of the IBS through the energy detection method. Therefore, these IBSs will resend their coexistence messages in the next 256CX frame, so collisions in the ICSI sequence sent from these IBSs will occur again. As a result, no IBS can go to other The OBS sends any information so that it cannot share channels with other OBSs.
  • the present invention proposes an optimized communication mechanism in a system having different PHY technologies, which can effectively solve the conflict problem of PHY signaling messages.
  • This communication mechanism referred to as Coexistence Signaling with Collision Resolution Policy (CS-CR) introduces a backoff scheme and a pre-announcement procedure with a specific priority of IBS in the conventional CSI mechanism.
  • each IBS base station needs to transmit an additional energy coded signal (referred to herein as a reservation signal) to reserve subsequent transmission opportunities before transmitting the coexistence signaling message.
  • the content of the reservation signal contains the specific priority of each IBS access ICSI.
  • a competition window having an arbitrary length is used to avoid collision of reservation signals from different IBSs.
  • the present invention provides a method for frequency sharing between a base station and at least one other base station, wherein all base stations belong to different wireless communication systems, the method comprising: a. the base station and the at least One other base station selects a time window from a plurality of reserved time windows to prepare a transmission reservation signal and at least one other reservation signal, the reservation signal includes priority information of the base station, and the at least one other reservation signal includes Priority information of the at least one other base station; b. the base station obtains priority information included in the at least one other reservation signal, and compares priorities included in the reservation signal and the at least one other reservation signal And c.
  • a coexistence signaling transmission time of the base station after the plurality of reserved time windows in a case where a priority included in the reservation signal is greater than a priority included in the at least one other reservation signal The segment transmits a coexistence signaling message, otherwise the transmission of the coexistence signaling message is suspended.
  • step b further comprises the base station obtaining a priority of the at least one other base station by scanning a power level of a reserved time window selected by the at least one other base station.
  • the method according to an embodiment of the present invention further comprises: in a time window selected by the base station, if the priority of the base station is greater than a priority of the at least one other base station, the base station sends the reservation signal.
  • the method according to the embodiment of the present invention further comprises: in a time window selected by the base station, if the priority of the base station is less than the priority of the at least one other base station, the base station suspends transmitting The reservation signal is described.
  • the priority of the base station depends on the number of coexistence signaling messages that the base station has experienced.
  • the priority of the base station will also depend on the particular communication requirements of the base station, the particular communication requirements including at least one of military, medical, or emergency communication requirements.
  • the priority of the base station is increased by one.
  • the present invention also provides a base station of a wireless communication system, wherein the base station performs frequency sharing with at least one other base station belonging to another wireless communication system, and the base station includes: a. a time window selecting device, configured to: Selecting a time window from a plurality of reserved time windows to prepare a transmission reservation signal, wherein the reservation signal includes priority information of the base station; b. priority comparison means, configured to obtain an appointment sent by the other base station a priority information included in the signal, and comparing a priority of the base station with a priority of the other base station; and C.
  • the coexistence signaling message is transmitted in the coexistence signaling transmission period after the reserved time window, otherwise, the transmission of the coexistence signaling message is suspended.
  • the priority comparison means is further configured to obtain a priority of the other base station by scanning a power level of a reserved time window selected by the other base station.
  • the base station further includes a reservation signal transmission control device, the device configured to: if the base is within a time window selected by the base station If the priority of the station is greater than the priority of the other base station, the base station sends the reservation signal; if the priority of the base station is less than the priority of the other base station, the base station suspends transmitting the reservation signal , and increase its priority accordingly.
  • a reservation signal transmission control device configured to: if the base is within a time window selected by the base station If the priority of the station is greater than the priority of the other base station, the base station sends the reservation signal; if the priority of the base station is less than the priority of the other base station, the base station suspends transmitting the reservation signal , and increase its priority accordingly.
  • the priority of the base station depends on the number of coexistence signaling messages that the base station has experienced, or depends on the specific communication requirements of the base station, the specific communication requirements including military, medical or emergency communication requirements At least one of them.
  • the invention also relates to a computer program product in which computer instructions for performing the method according to the invention are stored.
  • FIG. 1 shows a coexistence signaling interval CSI allocation in a CX frame according to the prior art
  • FIG. 2 shows a construction of a CSI sequence according to the prior art
  • FIG. 3 illustrates an ICSI sequence configuration in accordance with an embodiment of the present invention
  • FIG. 4 is a flow chart showing a base station transmitting an ICSI sequence according to an embodiment of the present invention
  • FIG. 5 is a schematic diagram showing three base stations transmitting CSI sequences according to an embodiment of the present invention
  • FIG. 6 is a block diagram showing a base station structure according to the present invention. . detailed description
  • Figure 3 illustrates an ICSI sequence configuration in accordance with an embodiment of the present invention.
  • coexistence signaling is mainly used to transmit BS_NURBC messages and BSD messages, and their maximum length is 192 bits.
  • the length of the CSI sequence defined in 802.16h is 256 bits. Except for the 8-bit CRC, the 8-bit start sequence and the 8-bit end sequence, there are still 40 remaining bits that are not used.
  • Figure 3 shows the optimized CSI sequence construction according to the new CS-CR mechanism.
  • the entire 256-bit ICSI sequence consists of two parts: 32ICSI is used to transmit reservation signals from different IBS. These 32 ICSIs are in turn divided into four super ICSIs, each super ICSI consisting of eight ICSIs and used to send a reservation signal. Each super CSI should start with 2 bits "1" and 2 bits "0", indicating the beginning of the super CSI, and the remaining 4 bits indicate the specific priority of the IBS.
  • the specific priority of the IBS can be set depending on many factors. For example, an IBS with a particular military, medical, or emergency communication can be preset to have a high priority value.
  • the priority of the IBS may be set according to the number of ICSI sequences that the IBS has experienced. For example, if an IBS has no chance or cannot send its own coexistence signaling within two ICSI sequences (ie 10.24 seconds) due to a collision, its priority will be set to 2. The greater the number of ICSI experienced by the IBS (which means that the IBS has spent more time transmitting coexistence signaling, but none succeeded), then the more priority the IBS gets to send its own coexistence signaling high.
  • each super CSI is composed of 8 ICSIs and used to transmit a reservation signal.
  • the manner in which the super CSI is divided is not limited to this. The more the number of super CSIs, the lower the probability of collision of IBS messages, and the less information transmitted accordingly. Conversely, the fewer the number of super CSIs, the greater the probability that IBS messages will collide. The more information is transmitted accordingly.
  • the number of super CSIs can be dynamically set according to the scenario in the actual application. Herein, preferably, the number of super CSIs is selected to be four.
  • each IBS arbitrarily selects one of the four super CSIs in preparation for transmitting the reservation signal.
  • the value of the last 4 bits of the selected super CSI is set according to the number of ICSI sequences that the IBS has experienced.
  • the IBS needs to scan the power energy levels of other super CSIs to obtain the priority of other IBSs.
  • the IBS compares its own priority with the priority of other IBSs.
  • step 404 the transmission of its own reservation signal is suspended until the next ICSI sequence. If not, then in step 405, the IBS will send its own reservation signal within the pre-selected super CSI.
  • step 406 the IBS continues to scan the power levels of other super CSIs and compares their own priorities with those of other IBSs. As shown in step 407, after completing the power level sweep of the four super CSIs, the IBS will determine whether it wants to transmit its own coexistence signaling within the next 224 ICSI by comparing the priorities.
  • the IBS will send its own coexistence signaling in the subsequent 224-bit ICSI. Otherwise, as shown in Figure 408, it will suspend the transmission of its own signaling message within the next 224-bit ICSI, while its own priority is automatically incremented by 1, indicating that the IBS has experienced another ICSI sequence but failed to send its own Coexisting signaling, but its priority is increased by one over the last time the ICSI sequence is sent.
  • the SS (client terminal equipment) of the OBS that successfully receives the coexistence signaling will report the contents of the coexistence signaling message to their OBS.
  • the neighboring OBS will discover the IBS in the IP network after receiving the SS report of the signaling.
  • the IBS and OBS begin further negotiation for frequency sharing. After negotiating with multiple OBSs, the IBS will acquire a periodic interference-free OCSI and become an OBSS, after which it will stop using the current ICSI.
  • a process of transmitting coexistence signaling is shown by taking three base stations as an example.
  • the priorities of the three base stations IBS1, IBS2, IBS3 are initially 0, 1, and 2, respectively. That is, IBS 2 failed to send its own coexistence signaling in the previous ICSI sequence according to the number of ICSI sequences that IBS has experienced. In the previous two sequences, IBS 3 failed to send its own. Coexistence signaling.
  • the IBS 1 arbitrarily selects the super CSI 1 to transmit its own reservation signal
  • the IBS 2 arbitrarily selects the super CSI 4 to transmit its own reservation signal
  • the IBS 3 arbitrarily selects the super CSI 2 to transmit itself. Reservation signal.
  • IBS2 and IBS3 can scan the current super CSI during work.
  • the rate energy level takes the priority of IBS 1. Since the priority of IBS 1 is lower than their own priority, IBS 2/IBS 3 decides to continue transmitting its own reservation signal.
  • IBS 3 sends its own reservation signal. IBS2 and IBS 1 can obtain the priority of IBS3 by scanning the power energy level during the current super CSI.
  • IBS 1, IBS 2 and IBS 3 After completing the power level sweep of 4 super CSIs, IBS 1, IBS 2 and IBS 3 if compare the priorities of other IBSs with their own priorities to decide whether to transmit coexistence signaling. Since IBS 3 has the highest priority, IBS 3 can obtain the opportunity to transmit its own coexistence signaling and become OBS through coordination with other OBSs. While IBS 1 and IBS 2 will suspend coexistence signaling in the subsequent 224 ICSI and their priority will increase by 1. In the next ICSI sequence, IBS 1 and IBS 2 will restart similar procedures to transmit coexistence signaling. .
  • FIG. 6 shows a schematic block diagram of an IBS base station according to an embodiment of the present invention.
  • the figure shows three base stations 601, 602, 603, each belonging to a different wireless communication system.
  • the base station includes a time window selecting means 611, a priority comparing means 612, and a coexistence signaling transmitting control means 613.
  • the base station 603 further includes a reservation signal transmission control means 614.
  • the device 611 is configured to select a time window from a plurality of reserved time windows, for example, 4 super CSIs, for example, the time window selected in FIG. 5 exceeds CSI 2 (CX frames 9 - 16 ) to prepare to transmit a reservation signal, where
  • the reservation signal includes the priority information of the base station 603; correspondingly, the corresponding devices of the other base stations 601, 602 also arbitrarily select a reserved time window, such as the super CSI 1 and the super CSI 4 in FIG. 5, we can also call them The first time window and the fourth reserved time window.
  • the device 612 is configured to obtain priority information included in a reservation signal of another base station (ie, the base station 601, 602 in this example), and compare the priority information of the base station 603 with the priorities of the other base stations 601, 602.
  • the device 613 At the end of the total reservation time window, for example, at the end of the four super CSIs in FIG. 5, the device 613, in the case where the base station 603 has a priority greater than the priorities of the base stations 601, 602, The coexistence signaling message is transmitted in the subsequent coexistence signaling transmission period (ie, within CX frames 33 to 256).
  • Apparatus 614 is configured to: within a time window selected by the 603 base station, if the priority of base station 603 is greater than the priority of other base stations (e.g., 601) that have been learned by power level sweeping, base station 603 transmits a reservation signal if the base station If the priority of 603 is less than the priority of these base stations (e.g., 601), the base station 603 suspends the transmission of the reservation signal and increases its priority accordingly. Such a setting can further avoid conflicting problems that may occur when the reservation signal is transmitted.
  • the base station according to the embodiment of the present invention does not involve hardware improvement, and can be implemented on the basis of the existing base station by combining computer software.

Abstract

La présente invention se rapporte à un procédé et à un dispositif pour le partage du spectre de fréquences entre une station de base et au moins une d'autres stations de base. Toutes les stations de base appartiennent à différents systèmes de communication sans fil séparément. Le procédé selon l'invention comprend les étapes suivantes : a. la station de base et au moins une station d'autres stations de base sélectionnent une fenêtre de temps parmi une pluralité de fenêtres de temps réservées afin de préparer l'envoi d'un signal de réservation et d'au moins un d'autres signaux de réservation ; le signal de réservation contient des informations de niveau de priorité de la station de base, et le ou les autres signaux de réservation contiennent des informations de niveau de priorité d'au moins une d'autres stations de base ; b. la station de base obtient les informations de niveau de priorité contenues dans le ou les autres signaux de réservation ; et elle compare les informations de niveau de priorité contenues dans le signal de réservation au niveau de priorité contenu dans le ou les autres signaux de réservation ; c. si le niveau de priorité contenu dans le signal de réservation est plus élevé que le niveau de priorité contenu dans le ou les autres signaux de réservation, la station de base envoie un message de signalisation concomitant dans un segment de temps d'envoi de signal concomitant qui est postérieur à la pluralité de fenêtres de temps réservées ; sinon, la station de base interrompt momentanément l'envoi du message de signalisation concomitant.
PCT/CN2010/070052 2010-01-07 2010-01-07 Procédé et dispositif pour le partage du spectre de fréquences dans différents systèmes de communication sans fil WO2011082526A1 (fr)

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PCT/CN2010/070052 WO2011082526A1 (fr) 2010-01-07 2010-01-07 Procédé et dispositif pour le partage du spectre de fréquences dans différents systèmes de communication sans fil
CN201080060669.XA CN102696255B (zh) 2010-01-07 2010-01-07 在不同无线通信系统中进行频谱共享的方法和设备

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PCT/CN2010/070052 WO2011082526A1 (fr) 2010-01-07 2010-01-07 Procédé et dispositif pour le partage du spectre de fréquences dans différents systèmes de communication sans fil

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2018084994A1 (fr) * 2016-11-04 2018-05-11 Qualcomm Incorporated Gestion d'interférence à l'aide d'un concept de coloration
EP3313141A4 (fr) * 2015-06-21 2019-01-16 LG Electronics Inc. Procédé de communication dans une bande sans licence et dispositif utilisant ledit procédé
CN109863775A (zh) * 2016-10-24 2019-06-07 高通股份有限公司 共享频谱独占资源的缩放

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1615667A (zh) * 2002-01-21 2005-05-11 西门子移动通讯公司 分时隙系统中进行初始小区搜索的方法和移动台
CN1805567A (zh) * 2002-10-03 2006-07-19 株式会社Ntt都科摩 基站、移动台
US20060258362A1 (en) * 2005-05-10 2006-11-16 Navini Networks, Inc. Method and system for reducing wireless multi-cell interferences through segregated channel assignments and segregated antenna beams
CN101534510A (zh) * 2008-03-11 2009-09-16 上海贝尔阿尔卡特股份有限公司 用于分布式频谱共享的方法及系统

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101001437B (zh) * 2006-01-09 2011-03-09 华为技术有限公司 共存性基站分配共存性时隙的方法

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1615667A (zh) * 2002-01-21 2005-05-11 西门子移动通讯公司 分时隙系统中进行初始小区搜索的方法和移动台
CN1805567A (zh) * 2002-10-03 2006-07-19 株式会社Ntt都科摩 基站、移动台
US20060258362A1 (en) * 2005-05-10 2006-11-16 Navini Networks, Inc. Method and system for reducing wireless multi-cell interferences through segregated channel assignments and segregated antenna beams
CN101534510A (zh) * 2008-03-11 2009-09-16 上海贝尔阿尔卡特股份有限公司 用于分布式频谱共享的方法及系统

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3313141A4 (fr) * 2015-06-21 2019-01-16 LG Electronics Inc. Procédé de communication dans une bande sans licence et dispositif utilisant ledit procédé
US10412765B2 (en) 2015-06-21 2019-09-10 Lg Electronics Inc. Communication method in unlicensed band and device using same
US10631338B2 (en) 2015-06-21 2020-04-21 Lg Electronics Inc. Communication method in unlicensed band and device using same
CN109863775A (zh) * 2016-10-24 2019-06-07 高通股份有限公司 共享频谱独占资源的缩放
CN109863775B (zh) * 2016-10-24 2023-04-14 高通股份有限公司 共享频谱独占资源的缩放
WO2018084994A1 (fr) * 2016-11-04 2018-05-11 Qualcomm Incorporated Gestion d'interférence à l'aide d'un concept de coloration
US10187900B2 (en) 2016-11-04 2019-01-22 Qualcomm Incorporated Interference management with coloring concept
CN109964530A (zh) * 2016-11-04 2019-07-02 高通股份有限公司 利用着色概念的干扰管理
CN109964530B (zh) * 2016-11-04 2020-04-21 高通股份有限公司 利用着色概念的干扰管理

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WO2011082526A8 (fr) 2012-06-07
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