WO2001001619A1 - Method and apparatus in a wireless communication system - Google Patents
Method and apparatus in a wireless communication system Download PDFInfo
- Publication number
- WO2001001619A1 WO2001001619A1 PCT/US2000/010632 US0010632W WO0101619A1 WO 2001001619 A1 WO2001001619 A1 WO 2001001619A1 US 0010632 W US0010632 W US 0010632W WO 0101619 A1 WO0101619 A1 WO 0101619A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- data
- communication resource
- land
- mobile communication
- based communication
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W28/00—Network traffic management; Network resource management
- H04W28/16—Central resource management; Negotiation of resources or communication parameters, e.g. negotiating bandwidth or QoS [Quality of Service]
- H04W28/18—Negotiating wireless communication parameters
- H04W28/20—Negotiating bandwidth
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
-
- 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
-
- 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
- H04L1/1809—Selective-repeat protocols
-
- 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
- H04L2001/0092—Error control systems characterised by the topology of the transmission link
Definitions
- the invention relates generally to communication systems.
- a communication system may include a series of land-based
- land-based end points for example at a public switching
- a mobile station In such communication systems, a mobile station
- MS may also make a connection to another MS for communicating data
- the connection may involve at least two wireless links
- FIG. 1 depicts a block diagram of a communication system.
- FIG. 2 depicts a standard CDMA mobile to mobile data call.
- FIG. 3 illustrates bandwidth degradation according to prior art.
- FIG. 4 depicts a communication system configuration according to
- FIG. 5 illustrates improvements in bandwidth utilization
- FIG. 6 depicts a simplified version of an up-link algorithm
- FIG. 7 depicts a simplified version of a down-link algorithm
- the land-based communication resources have at least a first and last land-based conrmunication resources.
- the communication resource may have a first wireless connection, as a first
- the second mobile communication resource may have a
- communication resource may be at least one of the series of land-based
- the detecting communication resource The detecting communication resource
- the communication system makes efficient use of the system
- resources for communication of data information may be according to IS-
- IS-707 or IS-707A standard A copy of the standard may be obtained via a world wide web site located at www.tiaonline.org, or by writing to
- RLP radio link protocol
- BSC base station controller
- packets of data may be due to erasure of one or more packets of data at the
- connection such as an up-link wireless communication, with an BSC, the
- idle frames are transmitted on the down-link
- the mobile communication resources may be any mobile communication resources.
- the mobile communication resources may be any mobile communication resources.
- the mobile communication resources may be any mobile communication resources.
- mobile stations such as handheld communication units, and the land- based communication resources may be BSCs, base transceiver stations
- BTSs BTSs
- IWUs inter- working units
- Communication system 100 may include a number of mobile
- Each BTS communicates with at least one BTS, such as BTSs 121-26.
- BTS BTSs 121-26.
- transceiver section for transmitting and receiving via at least one
- Each BTS is connected to a base
- BSC station controller
- An BSC may also be called a centralized
- BSC BSC
- connection 150 The communication system 100 may also include one or
- switches 101 and 102 essentially connecting a
- PSTN public switch telephone network
- Communication system 100 provides communication links between
- At least two mobile communication resources for example, mobile stations
- BTS 121 is the first and BTS 125 is the last land -based communication
- BTS 121 the first
- the communication resource may have a wireless link 161, possibly of an up ⁇
- BTS 125 may have a wireless
- wireless links 161 and 164 may be the first and last parts of the
- a wireless link 162 is
- BTS 121 BTS 121 and MS 112.
- MSs 111 and 113 BTS 121 and MS 112.
- a wireless link 163 is between BTS 123
- the land-based communication resources may involve BTS
- 165 is between MS 115 and BTS 126.
- combined land-based communication resource may be a detecting land-
- BTS 121 requests from MS 111 to re-transmit the missing
- the bandwidth of the wireless links is
- the mobile station 114 receives
- the mobile station 111 transmits the requested packet of
- the mobile station 114 receives via wireless connection 164 the requested
- communication resources including the detecting and subsequent in series to the detecting communication resources, such as BTS 121, BSC 131, BSC
- BTS 125 records a sequence number of the missing packet of data.
- the recording most likely takes place at the BTS 125 (or at BSC
- the recording unit requests from
- the recording unit waits for arrival of the requested
- the recording resource transmits the requested missing
- identification may be necessary to eliminate duplication of request for
- packets of data may be due to parts of communication link involved in
- communication resource may record in a memory buffer one or more of
- the mobile station 111 to send the requested missing packet of data when
- the invention may be any type of sequentially numbered packets of data.
- the invention may be any type of sequentially numbered packets of data.
- the invention may be any type of sequentially numbered packets of data.
- information such as voice information
- voice information may need to be sent sequentially
- the detecting appropriately for transmission over a communication link, the detecting
- mean for detecting the type of packets of data may involve checking whether the information being transmitted bypass the vocoder. If the
- the information data bypass the vocoder, the information data is of a data
- the invention is a preferred embodiment, the invention
- CDMA code division multiple access
- CBSC centralized BSC
- the down-link RLP is forced to transmit idle frames in this scenario
- Figure 2 shows a standard CDMA mobile to mobile data call
- RLP exists between each mobile and
- transport protocol carries data between the two channels on the CBSCs
- the BTS blocks are not shown. There is no direct
- Figure 3 illustrates the bandwidth degradation due to a data transfer from mobile 201 to mobile 202 when an erasure occurs (packet number 6) on the
- up-link data path from mobile 201.
- the packets of data are sequentially
- Packet number and frame number are
- CBSC 211 are buffered within the CBSC 211 that cannot be transmitted to CBSC 212
- the invention requires no modification to the mobile operation or
- each RLP maintains the
- NAK negative acknowledgment
- the frame is NAK'd by the
- MRLP is waiting for frame retransmission, subsequent data frames are
- the peer down-link MRLP forwards these frames to the mobile with the expectation
- the down-link MRLP will also detect the
- Figure 5 shows the same erasure scenario as shown in Figure 3
- CBSC 412 MRLP for transmission to mobile 202.
- mobile 202 detects
- the invention also avoids the tunneling effect observed in the
- MRLP algorithm 600 includes cross referencing NAK frames at 610 of the
- 15 may be equivalent to the IS-707 (or IS-707A) NAK timer algorithm.
- a down-link MRLP A down-link MRLP
- algorithm 700 shown in Figure 7 includes detecting missing frames at 710
- the MRLP according to the invention provides greater potential
- Standard RLP implementations can typically suffer -10%
- the invention improves the throughput resulting in only a 2% maximum
Abstract
Description
Claims
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP00923542A EP1197022A4 (en) | 1999-06-29 | 2000-04-19 | Method and apparatus in a wireless communication system |
JP2001506176A JP2003503892A (en) | 1999-06-29 | 2000-04-19 | Method and apparatus in a wireless communication system |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US09/342,541 | 1999-06-29 | ||
US09/342,541 US6169732B1 (en) | 1999-06-29 | 1999-06-29 | Method and apparatus in a wireless communication system |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2001001619A1 true WO2001001619A1 (en) | 2001-01-04 |
Family
ID=23342276
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/US2000/010632 WO2001001619A1 (en) | 1999-06-29 | 2000-04-19 | Method and apparatus in a wireless communication system |
Country Status (5)
Country | Link |
---|---|
US (1) | US6169732B1 (en) |
EP (1) | EP1197022A4 (en) |
JP (1) | JP2003503892A (en) |
KR (1) | KR100449936B1 (en) |
WO (1) | WO2001001619A1 (en) |
Families Citing this family (19)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100234134B1 (en) * | 1997-08-29 | 1999-12-15 | 윤종용 | Method for managing receive data in complex digital cellular mobiles |
EP1014641A1 (en) * | 1998-12-22 | 2000-06-28 | Telefonaktiebolaget Lm Ericsson | Method and system for reducing the processing time of data in communication networks |
KR100539879B1 (en) * | 1999-06-29 | 2005-12-28 | 삼성전자주식회사 | Data transmissiion and reception device and method in accordance with radio link protocol in a mobile communication system |
KR100424654B1 (en) * | 1999-08-02 | 2004-03-24 | 삼성전자주식회사 | Apparatus and method for retransmitting data according to radio link protocol in mobile communication system |
US6657984B1 (en) * | 1999-10-29 | 2003-12-02 | Samsung Electronics, Co., Ltd. | System and method providing backward compatibility of radio link protocols in a wireless network |
US6760860B1 (en) * | 2000-04-17 | 2004-07-06 | Nortel Networks Limited | Automatic retransmission request layer interaction in a wireless network |
US7031257B1 (en) * | 2000-09-22 | 2006-04-18 | Lucent Technologies Inc. | Radio link protocol (RLP)/point-to-point protocol (PPP) design that passes corrupted data and error location information among layers in a wireless data transmission protocol |
FR2824207B1 (en) * | 2001-04-27 | 2005-04-15 | Thomson Csf | METHOD AND DEVICE FOR LOCATING A MOBILE WITHIN A COMMUNICATION NETWORK |
US6937585B2 (en) * | 2001-07-27 | 2005-08-30 | Motorola, Inc. | Transmission scheme within a communication system |
US7327694B2 (en) * | 2001-07-31 | 2008-02-05 | Sasken Communication Technologies Ltd. | Adaptive radio link protocol (RLP) to improve performance of TCP in wireless environment for CDMAone and CDMA2000 systems |
US7251246B2 (en) * | 2001-09-14 | 2007-07-31 | Snowshore Networks, Inc. | Selective packet processing in a packet based media processor for latency reduction |
US7317683B2 (en) * | 2001-11-01 | 2008-01-08 | International Business Machines Corporation | Weighted fair queue serving plural output ports |
KR100547871B1 (en) * | 2001-11-08 | 2006-02-01 | 삼성전자주식회사 | Packet data retransmission method and apparatus between base station controller and base transceiver system in a mobile communication system |
US7257124B2 (en) * | 2002-03-20 | 2007-08-14 | International Business Machines Corporation | Method and apparatus for improving the fairness of new attaches to a weighted fair queue in a quality of service (QoS) scheduler |
US7720043B2 (en) * | 2002-11-20 | 2010-05-18 | Qualcomm Incorporated | Use of idle frames for early transmission of negative acknowledgement of frame receipt |
US20060056379A1 (en) * | 2004-09-14 | 2006-03-16 | Motorola, Inc. | System and method for network-assisted connection in a wireless environment |
US7366132B2 (en) * | 2005-03-30 | 2008-04-29 | At&T Corp. | Loss tolerant transmission control protocol |
US7889654B2 (en) | 2005-03-30 | 2011-02-15 | At&T Intellectual Property Ii, L.P. | Loss tolerant transmission control protocol |
US8155105B2 (en) * | 2005-09-22 | 2012-04-10 | Rsi Video Technologies, Inc. | Spread spectrum wireless communication and monitoring arrangement and method |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5590177A (en) * | 1994-09-30 | 1996-12-31 | Motorola, Inc. | Method for preventing a dropped call during a handoff in a radiotelephone system |
US5594718A (en) * | 1995-03-30 | 1997-01-14 | Qualcomm Incorporated | Method and apparatus for providing mobile unit assisted hard handoff from a CDMA communication system to an alternative access communication system |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5260933A (en) * | 1992-05-15 | 1993-11-09 | International Business Machines Corporation | Acknowledgement protocol for serial data network with out-of-order delivery |
-
1999
- 1999-06-29 US US09/342,541 patent/US6169732B1/en not_active Expired - Lifetime
-
2000
- 2000-04-19 JP JP2001506176A patent/JP2003503892A/en active Pending
- 2000-04-19 KR KR10-2001-7016930A patent/KR100449936B1/en active IP Right Grant
- 2000-04-19 EP EP00923542A patent/EP1197022A4/en not_active Ceased
- 2000-04-19 WO PCT/US2000/010632 patent/WO2001001619A1/en not_active Application Discontinuation
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5590177A (en) * | 1994-09-30 | 1996-12-31 | Motorola, Inc. | Method for preventing a dropped call during a handoff in a radiotelephone system |
US5594718A (en) * | 1995-03-30 | 1997-01-14 | Qualcomm Incorporated | Method and apparatus for providing mobile unit assisted hard handoff from a CDMA communication system to an alternative access communication system |
Also Published As
Publication number | Publication date |
---|---|
EP1197022A1 (en) | 2002-04-17 |
EP1197022A4 (en) | 2004-09-15 |
US6169732B1 (en) | 2001-01-02 |
JP2003503892A (en) | 2003-01-28 |
KR20020026484A (en) | 2002-04-10 |
KR100449936B1 (en) | 2004-09-24 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
US6169732B1 (en) | Method and apparatus in a wireless communication system | |
EP1315341B1 (en) | Receiver polling for data transmission with sliding window data flow control | |
US7457260B2 (en) | Transmission control method in a radio access network implementing an automatic repetition request (ARQ) protocol at the base station | |
JP4652388B2 (en) | System for efficiently recovering Node B buffer data after MAC layer reset | |
KR100722312B1 (en) | Method and apparatus for managing polling request in data communications | |
KR100802619B1 (en) | Method for receiving data in a receiver under radio link control protocolprocessing method for rlc reception window | |
KR100547871B1 (en) | Packet data retransmission method and apparatus between base station controller and base transceiver system in a mobile communication system | |
US8588784B2 (en) | Mobile communication system, wireless base station and hand over reconnection method for use therewith including an accumulation portion for holding data | |
EP1689134A2 (en) | Method and apparatus for requesting/transmitting status report of a mobile communication system | |
KR20000014402A (en) | Negative acknowledge transferring method and negative acknowledge frame structure | |
KR20070108300A (en) | Hybrid automatic retransmission request method and apparatus in mobile communication system | |
KR20070108801A (en) | Apparatus and method of effective harq assisted arq operation for high rate data transmission | |
KR100322002B1 (en) | Radio Link Protocol Communication Device and Method in Mobile Communication System | |
EP0866579A1 (en) | Packet transmission method without sending serial numbers | |
EP0726685A2 (en) | Packet transmission method without sending serial numbers |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
AK | Designated states |
Kind code of ref document: A1 Designated state(s): BR JP KR |
|
AL | Designated countries for regional patents |
Kind code of ref document: A1 Designated state(s): AT BE CH CY DE DK ES FI FR GB GR IE IT LU MC NL PT SE |
|
121 | Ep: the epo has been informed by wipo that ep was designated in this application | ||
DFPE | Request for preliminary examination filed prior to expiration of 19th month from priority date (pct application filed before 20040101) | ||
WWE | Wipo information: entry into national phase |
Ref document number: 2000923542 Country of ref document: EP |
|
ENP | Entry into the national phase |
Ref country code: JP Ref document number: 2001 506176 Kind code of ref document: A Format of ref document f/p: F |
|
WWE | Wipo information: entry into national phase |
Ref document number: 1020017016930 Country of ref document: KR |
|
WWP | Wipo information: published in national office |
Ref document number: 1020017016930 Country of ref document: KR |
|
WWP | Wipo information: published in national office |
Ref document number: 2000923542 Country of ref document: EP |
|
WWG | Wipo information: grant in national office |
Ref document number: 1020017016930 Country of ref document: KR |
|
WWR | Wipo information: refused in national office |
Ref document number: 2000923542 Country of ref document: EP |
|
WWW | Wipo information: withdrawn in national office |
Ref document number: 2000923542 Country of ref document: EP |