WO2009025608A1 - Numbering of radio frequency channels - Google Patents
Numbering of radio frequency channels Download PDFInfo
- Publication number
- WO2009025608A1 WO2009025608A1 PCT/SE2008/050324 SE2008050324W WO2009025608A1 WO 2009025608 A1 WO2009025608 A1 WO 2009025608A1 SE 2008050324 W SE2008050324 W SE 2008050324W WO 2009025608 A1 WO2009025608 A1 WO 2009025608A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- frequency
- band
- primary
- global
- downlink
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
- H04W4/06—Selective distribution of broadcast services, e.g. multimedia broadcast multicast service [MBMS]; Services to user groups; One-way selective calling services
Definitions
- a User Equipment and a Radio Base Station comprising the above described arrangement for numbering radio frequency channels to be used in a wireless communication system.
- Figure 2 illustrates the primary and the secondary numbering scheme according to an embodiment of the present invention.
- Figure 3 illustrates a table listing of which frequency ranges that are used for the uplink and the downlink used for embodiments of the present invention.
- the primary frequency of each band is given a unique number, a global number, such that each global number enumerates exactly one frequency in one band as shown in figure 2.
- the global number is a combination of band Dx and frequency gx. Note that since the bands may overlap, two global numbers may actually enumerate the same frequency, while the band number differs. In figure 2 the global numbers are sequentially assigned to the frequency channels across all the bands.
- the global numbers may be assigned sequentially. This can be further described by assuming that there are three bands denoted 1,2,3 wherein each band has 10 possible frequencies.
- Band 1 includes frequencies numbered 0-9
- band 2 includes frequencies numbered 10- 19, and band 3 includes frequencies numbered 20-29.
- Another possibility of consecutive but not sequential number assignment is that band 1 includes frequencies numbered 0-9
- band 3 includes frequencies numbered 10-19 and band 2 includes frequencies numbered 20-29.
- band 1 includes frequencies numbered 0-9
- band 2 includes frequencies numbered 45-54 and band 3 includes frequencies numbered 19-28.
- the difference between the primary frequency and the ARFCN is that the global number associated with the primary frequency is just a number.
- the ARFCN is the function that maps the number to frequency and band. For example the number 42 may be mapped to band 1 and to the carrier frequency 2134.6 MHz by the ARFCN function as explained above.
- the secondary frequency is signaled by using an in-band number where the number sequence is reused for each band as illustrated in figure 2.
- the secondary number is denoted bx.
- the in-band number may signal different frequencies depending on the band already signaled by the global number for the primary frequency.
- the downlink and uplink frequency channels may have different bandwidths (e.g. a wider downlink and narrower uplink) and an example of such an asymmetrical scenario comprises an MBSFN transmission on wider bandwidth in the downlink and UE feedback with a narrower channel in the uplink.
- bandwidth e.g. a wider downlink and narrower uplink
- the same bandwidth is available for the downlink and uplink transmission in full duplex and half duplex modes.
- More signalling overhead is required to cater for the large number of uplink channels available as compared to the downlink channels in this example.
- the signalling overhead is reduced if in-band numbers are assigned to the uplink channels and global numbers are assigned to the downlink channels. This is further explained by the following example. Assume a scenario with the following band sizes:
- Band 1 3 downlink (DL) channels and 10 uplink (UL) channels
- the TDD unicast and MBSFN may be sent on different frequencies. Therefore, at least two frequency channels are to be signaled to the UE if it is able to receive them simultaneously.
- the composite numbering scheme may also be used for signaling the unicast frequency as the primary frequency and MBSFN frequency as the secondary frequency or vice versa.
- the primary frequency numbering may also be used to signal a coarse frequency for one direction of a radio link and a secondary numbering for signaling the frequency with finer granularity for the link in the other direction.
- the primary frequency may be used to signal one of a few wideband downlink carriers and the secondary frequency may be used to designate one of many narrowband uplink carriers.
- the method according to the embodiments of the present invention may be implemented in an arrangement 400 associated with a radio base station or a UE as illustrated in figure 4.
- the actual frequency assignments are made by standardisation bodies, but both the radio base _
- the arrangement 400 comprises means for assigning 401 a global number to a primary frequency of a first band based on knowledge of the available frequency bands.
- the global number is unique among at least the first frequency band and the global number is indicative of at least a second frequency band associated with the first frequency band.
- the arrangement 400 comprises means for assigning 402 an in-band number to a secondary frequency within the second frequency band.
- the means for assigning 402 an in- band number to a secondary frequency within the second frequency band may also be configured to assign a further in-band number to a further secondary frequency.
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Mobile Radio Communication Systems (AREA)
Abstract
Description
Claims
Priority Applications (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DK08724271T DK2179621T3 (en) | 2007-08-17 | 2008-03-25 | Numbering of radio frequency channels |
PL08724271T PL2179621T3 (en) | 2007-08-17 | 2008-03-25 | Numbering of radio frequency channels |
US12/673,720 US8195179B2 (en) | 2007-08-17 | 2008-03-25 | Numbering of radio frequency channels |
ES08724271T ES2749438T3 (en) | 2007-08-17 | 2008-03-25 | Radio frequency channel numbering |
CN200880103340.XA CN101779507B (en) | 2007-08-17 | 2008-03-25 | Numbering of radio frequency channels |
EP08724271.5A EP2179621B1 (en) | 2007-08-17 | 2008-03-25 | Numbering of radio frequency channels |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SE0701890 | 2007-08-17 | ||
SE0701890-6 | 2007-08-17 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2009025608A1 true WO2009025608A1 (en) | 2009-02-26 |
Family
ID=40378385
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/SE2008/050324 WO2009025608A1 (en) | 2007-08-17 | 2008-03-25 | Numbering of radio frequency channels |
Country Status (10)
Country | Link |
---|---|
US (1) | US8195179B2 (en) |
EP (1) | EP2179621B1 (en) |
CN (1) | CN101779507B (en) |
DK (1) | DK2179621T3 (en) |
ES (1) | ES2749438T3 (en) |
HU (1) | HUE045900T2 (en) |
MY (1) | MY154112A (en) |
PL (1) | PL2179621T3 (en) |
RU (1) | RU2456750C2 (en) |
WO (1) | WO2009025608A1 (en) |
Cited By (2)
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WO2012023895A1 (en) | 2010-08-17 | 2012-02-23 | Telefonaktiebolaget L M Ericsson (Publ) | Methods and arrangements in cellular communication systems |
EP2362566A3 (en) * | 2010-02-23 | 2015-01-14 | Samsung Electronics Co., Ltd. | Apparatus and method for supporting asymmetric carrier aggregation in wireless communication system |
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KR101507795B1 (en) * | 2008-05-09 | 2015-04-03 | 엘지전자 주식회사 | Mobile terminal and method for displaying channel thereof |
US9014110B2 (en) * | 2011-07-18 | 2015-04-21 | Qualcomm Incorporated | Enabling half-duplex operation |
JP6824407B2 (en) * | 2016-11-30 | 2021-02-03 | 華為技術有限公司Huawei Technologies Co.,Ltd. | Service instruction method, base station, terminal, and system |
JP7083908B2 (en) | 2018-01-17 | 2022-06-13 | オッポ広東移動通信有限公司 | Frequency configuration method, network equipment, terminal equipment and computer storage media |
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WO2000022851A1 (en) * | 1998-10-15 | 2000-04-20 | Airnet Communications Corporation | Dynamic allocation of carrier frequencies in a wireless broadband base station |
WO2002056610A2 (en) * | 2001-01-09 | 2002-07-18 | Nokia Corporation | Method for dynamically mapping channels for new gsm frequency bands |
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KR100446532B1 (en) * | 2001-12-10 | 2004-09-01 | 삼성전자주식회사 | Method for reducing the access time of accessing to utran in umts |
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EP2068473B1 (en) * | 2006-09-25 | 2018-09-12 | Panasonic Intellectual Property Corporation of America | Radio communication device and pilot arrangement method |
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2008
- 2008-03-25 CN CN200880103340.XA patent/CN101779507B/en active Active
- 2008-03-25 RU RU2010109884/08A patent/RU2456750C2/en active
- 2008-03-25 ES ES08724271T patent/ES2749438T3/en active Active
- 2008-03-25 DK DK08724271T patent/DK2179621T3/en active
- 2008-03-25 HU HUE08724271A patent/HUE045900T2/en unknown
- 2008-03-25 EP EP08724271.5A patent/EP2179621B1/en active Active
- 2008-03-25 PL PL08724271T patent/PL2179621T3/en unknown
- 2008-03-25 US US12/673,720 patent/US8195179B2/en not_active Expired - Fee Related
- 2008-03-25 WO PCT/SE2008/050324 patent/WO2009025608A1/en active Application Filing
- 2008-03-25 MY MYPI2010000562A patent/MY154112A/en unknown
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WO2000022851A1 (en) * | 1998-10-15 | 2000-04-20 | Airnet Communications Corporation | Dynamic allocation of carrier frequencies in a wireless broadband base station |
WO2002056610A2 (en) * | 2001-01-09 | 2002-07-18 | Nokia Corporation | Method for dynamically mapping channels for new gsm frequency bands |
Cited By (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP2362566A3 (en) * | 2010-02-23 | 2015-01-14 | Samsung Electronics Co., Ltd. | Apparatus and method for supporting asymmetric carrier aggregation in wireless communication system |
US9655118B2 (en) | 2010-02-23 | 2017-05-16 | Samsung Electronics Co., Ltd. | Apparatus and method for supporting asymmetric carrier aggregation in wireless communication system |
US10327245B2 (en) | 2010-02-23 | 2019-06-18 | Samsung Electronics Co., Ltd. | Apparatus and method for supporting asymmetric carrier aggregation in wireless communication system |
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US11291002B2 (en) | 2010-02-23 | 2022-03-29 | Samsung Electronics Co., Ltd. | Apparatus and method for supporting asymmetric carrier aggregation in wireless communication system |
WO2012023895A1 (en) | 2010-08-17 | 2012-02-23 | Telefonaktiebolaget L M Ericsson (Publ) | Methods and arrangements in cellular communication systems |
JP2013535936A (en) * | 2010-08-17 | 2013-09-12 | テレフオンアクチーボラゲット エル エム エリクソン(パブル) | Method and apparatus in a cellular communication system |
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Also Published As
Publication number | Publication date |
---|---|
PL2179621T3 (en) | 2020-02-28 |
HUE045900T2 (en) | 2020-01-28 |
RU2010109884A (en) | 2011-09-27 |
RU2456750C2 (en) | 2012-07-20 |
US20110009123A1 (en) | 2011-01-13 |
EP2179621A1 (en) | 2010-04-28 |
CN101779507A (en) | 2010-07-14 |
ES2749438T3 (en) | 2020-03-20 |
EP2179621B1 (en) | 2019-08-07 |
CN101779507B (en) | 2014-07-16 |
EP2179621A4 (en) | 2016-12-07 |
US8195179B2 (en) | 2012-06-05 |
DK2179621T3 (en) | 2019-11-04 |
MY154112A (en) | 2015-04-30 |
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