CN102045081A - Method for storing and optimizing sampling data of baseband receiving part in GSM (Global System for Mobile Communication) mobile communication terminal - Google Patents
Method for storing and optimizing sampling data of baseband receiving part in GSM (Global System for Mobile Communication) mobile communication terminal Download PDFInfo
- Publication number
- CN102045081A CN102045081A CN2009101971721A CN200910197172A CN102045081A CN 102045081 A CN102045081 A CN 102045081A CN 2009101971721 A CN2009101971721 A CN 2009101971721A CN 200910197172 A CN200910197172 A CN 200910197172A CN 102045081 A CN102045081 A CN 102045081A
- Authority
- CN
- China
- Prior art keywords
- data
- mobile communication
- sampling
- communication terminal
- signal
- Prior art date
- Legal status (The legal status 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 status listed.)
- Granted
Links
- 238000005070 sampling Methods 0.000 title claims abstract description 104
- 238000010295 mobile communication Methods 0.000 title claims abstract description 48
- 238000000034 method Methods 0.000 title claims abstract description 43
- 230000015654 memory Effects 0.000 claims abstract description 30
- 238000006243 chemical reaction Methods 0.000 claims abstract description 19
- 238000012545 processing Methods 0.000 claims abstract description 16
- 230000006870 function Effects 0.000 claims abstract description 7
- 238000013500 data storage Methods 0.000 claims description 28
- 238000005457 optimization Methods 0.000 claims description 21
- 230000001360 synchronised effect Effects 0.000 claims description 15
- 238000012549 training Methods 0.000 claims description 12
- 238000012937 correction Methods 0.000 claims description 5
- 238000005259 measurement Methods 0.000 claims description 4
- 230000003247 decreasing effect Effects 0.000 abstract 1
- 238000005516 engineering process Methods 0.000 description 2
- 230000005039 memory span Effects 0.000 description 2
- 230000003321 amplification Effects 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000000151 deposition Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000003199 nucleic acid amplification method Methods 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
Images
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D30/00—Reducing energy consumption in communication networks
- Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks
Landscapes
- Mobile Radio Communication Systems (AREA)
Abstract
The invention relates to a method for storing and optimizing sampling data of a baseband receiving part in a GSM (Global System for Mobile Communication) mobile communication terminal, comprising the following steps of: carrying out analog-digital conversion processing on a radio frequency demodulation data signal obtained by processing a radio frequency part; carrying out data sampling processing on the data signal obtained through the analog-digital conversion processing according to the function of the data signal; storing the sampling data obtained through the data sampling processing into a sampling data memory; and carrying out subsequent processing on the sampling data stored in the sampling data memory by the baseband receiving part according to the requirement of an upper control layer. By utilizing the method for storing and optimizing the sampling data of the baseband receiving part in the GSM mobile communication terminal, the utilization rate of the sampling data memory is enhanced, the requirement on hardware resources is reduced, the excessive loss of storage resources is avoided, and further the size of a chip RAM (Random Access Memory) is greatly decreased, the memory area is greatly reduced, the power consumption and the cost of the whole chip are lowered, meanwhile the working performance is stable and reliable, and the application range is wider.
Description
Technical field
The present invention relates to moving communicating field, particularly GSM mobile communication terminal data technical field of memory specifically is meant the method for base band receiving unit sampled data storage optimization in a kind of GSM mobile communication terminal.
Background technology
GSM (Global System for Mobile communications, global system for mobile communications) is the most widely used digital mobile communication system in a kind of present whole world.
The terminal receiver hardware configuration of GSM mainly comprises two parts, is respectively radio frequency part and baseband portion.Wherein, described radio-frequency (RF) receiving circuit is finished functions such as the reception of wireless signal and corresponding filtering, signal amplification, demodulation, the baseband portion circuit comprises channel equalization, digital demodulation, channel decoding, encrypt/decrypt, and it also comprises circuit such as speech/decoding, the fast adapter of sign indicating number.The interface of radio frequency part and baseband portion adopts the digital sample data storage after the A/D analog-to-digital conversion to realize.The analog signal sampling analog-to-digital conversion that promptly demodulation is come out to radio frequency part becomes digital signal to carry out the respective handling of baseband portion.
In the prior art, the transfer of data of GSM adopts time division multiple access (TDMA) mode, every carrier wave has 8 physical channels, basic Radio Resource is a time slot (time slot), and length is 576.9us, and modulation code speed is 270.833Kb/s (GX1), every slot time comprises 156.25bit, traditional sampled data storage mode please be shown in Figure 1, usually time synchronized and data demodulates handled at same data segment, need two slot lengths of storage four sampling rates (GX4) sampled data promptly:
156.25 the memory space of * 4 * 2=1250 word length (word).
The current wireless terminal chip is more and more higher for the requirement of area and power consumption, and memory occupies very big proportion in entire chip, owing to it is not optimized processing in the prior art, thus chip area is bigger, system power dissipation and cost are higher, and the competitiveness of product in market is on the low side.
Summary of the invention
The objective of the invention is to have overcome above-mentioned shortcoming of the prior art, provide a kind of and can be optimized processing, save chip area, reduce power consumption and cost, the raising competitiveness of product in market, stable and reliable working performance, the scope of application method of base band receiving unit sampled data storage optimization in the GSM mobile communication terminal comparatively widely effectively sampled data.
In order to realize above-mentioned purpose, the method for base band receiving unit sampled data storage optimization is as follows in the GSM mobile communication terminal of the present invention:
Realize the method for base band receiving unit sampled data storage optimization in this GSM mobile communication terminal, its main feature is that described method may further comprise the steps:
(1) the GSM mobile communication terminal carries out analog-to-digital conversion process to the radio demodulating data-signal that the radio frequency section processes obtains;
(2) described GSM mobile communication terminal is handled carrying out data sampling through the data-signal that obtains after the analog-to-digital conversion process according to the function of data-signal;
(3) described GSM mobile communications device will enter in the sampled data memory through the sampled data storage that will obtain after the data sampling processing;
(4) described base band receiving unit carries out subsequent treatment according to upper strata key-course demand to the sampled data of storing in the sampled data memory.
GSM mobile communication terminal in this GSM mobile communication terminal in the method for realization base band receiving unit sampled data storage optimization is handled carrying out data sampling through the data-signal that obtains after the analog-to-digital conversion process according to the function of data-signal, is specially:
Described GSM mobile communication terminal carries out the handover configurations of different pieces of information sample rate according to the difference in functionality of data-signal to passing through the data-signal that obtains after the analog-to-digital conversion process, and carries out data sampling according to the current data sampling rate that disposes and handle.
GSM mobile communication terminal in this GSM mobile communication terminal in the method for realization base band receiving unit sampled data storage optimization carries out the handover configurations of different pieces of information sample rate and carries out the data sampling processing according to the current data sampling rate that disposes passing through the data-signal that obtains after the analog-to-digital conversion process according to the difference in functionality of data-signal, may further comprise the steps:
(11) system judges whether described data-signal is used for the search and the measurement of signal strength signal intensity, if then data sampling rate is set to the single-time sampling rate, and carries out corresponding data sampling with the single-time sampling rate and operates;
(12) system judges whether described data-signal belongs to frequency synchronization module, if then data sampling rate is set to the single-time sampling rate, and carries out frequency synchronization module partial data sampling operation with the single-time sampling rate;
(13) system judges whether described data-signal belongs to the time synchronized module, if then data sampling rate is set to four sampling rates, and carries out the data sampling operation of time synchronized module section with four sampling rates;
(14) system judges whether described data-signal belongs to the burst of channel demodulation deinterleaving decoder module, if then data sampling rate is set to the single-time sampling rate, and carries out corresponding data sampling with the single-time sampling rate and operates.
Realize in this GSM mobile communication terminal carrying out the data sampling operation of time synchronized module section with four sampling rates in the method for base band receiving unit sampled data storage optimization, be specially:
With four sampling rates the training sequence of synchronizing channel is carried out data sampling scanning, and obtain corresponding sampled data.
The maximum length of the training sequence of the synchronizing channel in this GSM mobile communication terminal in the method for realization base band receiving unit sampled data storage optimization is 64 word lengths.
Burst in this GSM mobile communication terminal in the method for realization base band receiving unit sampled data storage optimization comprises frequency error correction pulse, Synchronization Burst and normal burst pulse.
Adopted the method for base band receiving unit sampled data storage optimization in the GSM mobile communication terminal of this invention, owing to wherein the demand of sampled data is carried out the switching of four sampling rates and single-time sampling rate according to systemic-function, multiplexing 156.25 * 2 of timesharing approximates the memory space of 313word, but improved the utilance of sampled data memory, reduced hardware resource requirements, because the maximum length demand of sampled data memory is 2 time slots, adopt the sampled data of GX1 can satisfy system requirements, and the maximum length of GX4 sampled data demand is (64/156.25) time slot, comprehensively both have determined sampled data memory span demand, avoid conventional will separating to be in harmonious proportion and handled the RAM loss that needed 2 burst adopt the GX4 data to be caused synchronously simultaneously, thereby reduced the size of chip RAM greatly, saved memory area greatly, reduce the power consumption and the cost of entire chip, the while stable and reliable working performance, the scope of application is comparatively extensive.
Description of drawings
Fig. 1 is the operation principle schematic diagram that GSM mobile communication terminal of the prior art inserts the sampled data memory.
Fig. 2 is the whole principle schematic of the method for base band receiving unit sampled data storage optimization in the GSM mobile communication terminal of the present invention.
Fig. 3 is the principle schematic of the GSM terminal access physical layer data processing in the method for base band receiving unit sampled data storage optimization in the GSM mobile communication terminal of the present invention.
Embodiment
In order more to be expressly understood technology contents of the present invention, describe in detail especially exemplified by following examples.
See also Fig. 2 and shown in Figure 3, realize the method for base band receiving unit sampled data storage optimization in this GSM mobile communication terminal, comprising following steps:
(1) the GSM mobile communication terminal carries out analog-to-digital conversion process to the radio demodulating data-signal that the radio frequency section processes obtains;
(2) described GSM mobile communication terminal is handled carrying out data sampling through the data-signal that obtains after the analog-to-digital conversion process according to the function of data-signal, is specially:
Described GSM mobile communication terminal according to the difference in functionality of data-signal to carry out the handover configurations of different pieces of information sample rate through the data-signal that obtains after the analog-to-digital conversion process, and carry out data sampling according to the current data sampling rate that disposes and handle, comprising following steps:
(a) system judges whether described data-signal is used for the search and the measurement of signal strength signal intensity, if, then with data
Sample rate is set to the single-time sampling rate, and carries out corresponding data sampling operation with the single-time sampling rate;
(b) system judges whether described data-signal belongs to frequency synchronization module, if then data sampling rate is set to the single-time sampling rate, and carries out frequency synchronization module partial data sampling operation with the single-time sampling rate;
(c) system judges whether described data-signal belongs to the time synchronized module, if, then data sampling rate is set to four sampling rates, and carry out the data sampling operation of time synchronized module section with four sampling rates, be specially: with four sampling rates the training sequence of synchronizing channel is carried out data sampling scanning, and obtain corresponding sampled data; The maximum length of the training sequence of this synchronizing channel is 64 word lengths;
(d) system judges whether described data-signal belongs to the burst of channel demodulation deinterleaving decoder module, if then data sampling rate is set to the single-time sampling rate, and carries out corresponding data sampling with the single-time sampling rate and operates; Described burst comprises frequency error correction pulse, Synchronization Burst and normal burst pulse;
(3) described GSM mobile communications device will enter in the sampled data memory through the sampled data storage that will obtain after the data sampling processing;
(4) described base band receiving unit carries out subsequent treatment according to upper strata key-course demand to the sampled data of storing in the sampled data memory.
In the middle of reality is used, see also shown in Figure 2, the present invention has broken the mentality of designing of traditional sampled data storage, and the demand of sampled data is carried out the switching of four sampling rates and single-time sampling rate according to systemic-function, multiplexing 156.25 * 2 of timesharing approximates the memory space of 313word, save memory area greatly, reduced the power consumption and the cost of entire chip.
Concrete realization thinking is as follows:
(1) at the time synchronized demand, adopt four sampling rate (GX4) input sampling data memories for training sequence (training squence) part that needs scanning (scan), the training sequence length of the longest synchronizing channel (SCH) is 64, and the memory space that takies is 64 * 4=256word;
(2) for separating the Frequency Synchronization demand that is in harmonious proportion, then adopt single-time sampling rate (GX1) input sampling data memory, concrete initial GX4 point is definite by synchronous scanning, and storage requirement is the GX1 data of 2 time slots, i.e. 156.25 * 2 memory spaces that approximate 313word.
For the GSM mobile communication terminal, the brief data flow process that physical layer data inserts part sees also shown in Figure 3.Wherein radio frequency (RF) demodulating data is after the ADC analog-to-digital conversion, sampled data is carried out depositing the sampled data memory in after data necessary is handled, after the base-band digital processing section according to upper strata key-course demand measure, Frequency Synchronization, time synchronized, channel demodulation and decoding.According to each module of base-band digital processing section the demand of sampled data is analyzed below, and specified technical scheme of the present invention.
(1) search of signal strength signal intensity and measurement are that each frequency is carried out signal energy computation, and this part need be got average and report at last to the calculating of carrying out sampled data respectively at interval in the certain hour section, and the single-time sampling rate can satisfy the demands.
(2) frequency synchronization module is according to frequency error-correcting channel (FCCH, form by frequency error correction pulse) characteristic, obtain the frequency departure of portable terminal (MS) and base station (BS), carry out corresponding synchronous and correct, obtain rough channel zero-time simultaneously, provide reference to synchronizing channel.This part adopts the sampled data of single-time sampling rate to satisfy the demands, and obtains frequency departure up to standard and time estimation information.
(3) the time synchronized module can scan according to the rough time estimation information that obtains of the frequency synchronization module training sequence to synchronizing channel (SCH) in starting stage of cell selecting, obtain optimum synchronizing channel zero-time, idle and working stage can according to the time interocclusal record estimate the zero-time of synchronizing channel, the training sequence that carries out synchronizing channel (SCH) scans, and obtains optimum synchronizing channel zero-time.Need be optimized to the precise time point of GX4 in this part, so adopt four sampling rates that the sampled data of the training sequence of synchronizing channel (SCH) is scanned acquisition.
(4) physical content of logic channel on time slot is burst (BURST), and what terminal inserted part comprises frequency error correction pulse (FB), Synchronization Burst (SB) and normal burst pulse (NB).Channel demodulation deinterleaving decoder module is demodulation, deinterleaving, the decoding of carrying out the logic channel be made up of SB and NB on the basis of the precise time information that the time synchronized module obtains.This part adopts the single-time sampling rate to meet the demands, and obtains correct transmission data.
By above-mentioned analysis, determine the switching controls of single-time sampling rate and four sampling rates, and determine that in conjunction with the thinking of content part of the present invention the capacity of sampled data memory is the sampled data space of two slot length single-time sampling rates, the redundancy of maximized reduction data storage, improve its utilance, reduce hardware cost and power consumption.
Adopted the method for base band receiving unit sampled data storage optimization in the above-mentioned GSM mobile communication terminal, owing to wherein the demand of sampled data is carried out the switching of four sampling rates and single-time sampling rate according to systemic-function, multiplexing 156.25 * 2 of timesharing approximates the memory space of 313word, but improved the utilance of sampled data memory, reduced hardware resource requirements, because the maximum length demand of sampled data memory is 2 time slots, adopt the sampled data of GX1 can satisfy system requirements, and the maximum length of GX4 sampled data demand is (64/156.25) time slot, comprehensively both have determined sampled data memory span demand, avoid conventional will separating to be in harmonious proportion and handled the RAM loss that needed 2 burst adopt the GX4 data to be caused synchronously simultaneously, thereby reduced the size of chip RAM greatly, saved memory area greatly, reduce the power consumption and the cost of entire chip, the while stable and reliable working performance, the scope of application is comparatively extensive.
In this specification, the present invention is described with reference to its certain embodiments.But, still can make various modifications and conversion obviously and not deviate from the spirit and scope of the present invention.Therefore, specification and accompanying drawing are regarded in an illustrative, rather than a restrictive.
Claims (6)
1. realize the method for base band receiving unit sampled data storage optimization in the GSM mobile communication terminal, it is characterized in that described method may further comprise the steps:
(1) the GSM mobile communication terminal carries out analog-to-digital conversion process to the radio demodulating data-signal that the radio frequency section processes obtains;
(2) described GSM mobile communication terminal is handled carrying out data sampling through the data-signal that obtains after the analog-to-digital conversion process according to the function of data-signal;
(3) described GSM mobile communications device will enter in the sampled data memory through the sampled data storage that will obtain after the data sampling processing;
(4) described base band receiving unit carries out subsequent treatment according to upper strata key-course demand to the sampled data of storing in the sampled data memory.
2. realize the method for base band receiving unit sampled data storage optimization in the GSM mobile communication terminal according to claim 1, it is characterized in that, described GSM mobile communication terminal is handled carrying out data sampling through the data-signal that obtains after the analog-to-digital conversion process according to the function of data-signal, is specially:
Described GSM mobile communication terminal carries out the handover configurations of different pieces of information sample rate according to the difference in functionality of data-signal to passing through the data-signal that obtains after the analog-to-digital conversion process, and carries out data sampling according to the current data sampling rate that disposes and handle.
3. realize the method for base band receiving unit sampled data storage optimization in the GSM mobile communication terminal according to claim 2, it is characterized in that, described GSM mobile communication terminal carries out the handover configurations of different pieces of information sample rate and carries out the data sampling processing according to the current data sampling rate that disposes passing through the data-signal that obtains after the analog-to-digital conversion process according to the difference in functionality of data-signal, may further comprise the steps:
(11) system judges whether described data-signal is used for the search and the measurement of signal strength signal intensity, if then data sampling rate is set to the single-time sampling rate, and carries out corresponding data sampling with the single-time sampling rate and operates;
(12) system judges whether described data-signal belongs to frequency synchronization module, if then data sampling rate is set to the single-time sampling rate, and carries out frequency synchronization module partial data sampling operation with the single-time sampling rate;
(13) system judges whether described data-signal belongs to the time synchronized module, if then data sampling rate is set to four sampling rates, and carries out the data sampling operation of time synchronized module section with four sampling rates;
(14) system judges whether described data-signal belongs to the burst of channel demodulation deinterleaving decoder module, if then data sampling rate is set to the single-time sampling rate, and carries out corresponding data sampling with the single-time sampling rate and operates.
4. realize the method for base band receiving unit sampled data storage optimization in the GSM mobile communication terminal according to claim 3, it is characterized in that, describedly carry out the data sampling operation of time synchronized module section, be specially with four sampling rates:
With four sampling rates the training sequence of synchronizing channel is carried out data sampling scanning, and obtain corresponding sampled data.
5. realize the method for base band receiving unit sampled data storage optimization in the GSM mobile communication terminal according to claim 4, it is characterized in that the maximum length of the training sequence of described synchronizing channel is 64 word lengths.
6. realize the method for base band receiving unit sampled data storage optimization in the GSM mobile communication terminal according to claim 3, it is characterized in that described burst comprises frequency error correction pulse, Synchronization Burst and normal burst pulse.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910197172.1A CN102045081B (en) | 2009-10-14 | 2009-10-14 | Method for storing and optimizing sampling data of baseband receiving part in GSM (Global System for Mobile Communication) mobile communication terminal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910197172.1A CN102045081B (en) | 2009-10-14 | 2009-10-14 | Method for storing and optimizing sampling data of baseband receiving part in GSM (Global System for Mobile Communication) mobile communication terminal |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102045081A true CN102045081A (en) | 2011-05-04 |
| CN102045081B CN102045081B (en) | 2014-03-05 |
Family
ID=43910924
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200910197172.1A Active CN102045081B (en) | 2009-10-14 | 2009-10-14 | Method for storing and optimizing sampling data of baseband receiving part in GSM (Global System for Mobile Communication) mobile communication terminal |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102045081B (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1179251A (en) * | 1996-01-17 | 1998-04-15 | 摩托罗拉公司 | Method and apparatus for processing burst signals in a telecommunication system |
| CN1716928A (en) * | 2004-06-16 | 2006-01-04 | 三星电子株式会社 | Be used for the analogue baseband processors of multi-mode communication system and the method for treatment of simulated base band |
| CN1901705A (en) * | 2005-07-20 | 2007-01-24 | 大唐移动通信设备有限公司 | Base band chip and method for realizing multiple mode switch based on base band chip mobile terminal |
| CN101193083A (en) * | 2006-11-20 | 2008-06-04 | 中兴通讯股份有限公司 | RF remote unit for converting data sampling rate in base band signal transmission |
-
2009
- 2009-10-14 CN CN200910197172.1A patent/CN102045081B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1179251A (en) * | 1996-01-17 | 1998-04-15 | 摩托罗拉公司 | Method and apparatus for processing burst signals in a telecommunication system |
| CN1716928A (en) * | 2004-06-16 | 2006-01-04 | 三星电子株式会社 | Be used for the analogue baseband processors of multi-mode communication system and the method for treatment of simulated base band |
| CN1901705A (en) * | 2005-07-20 | 2007-01-24 | 大唐移动通信设备有限公司 | Base band chip and method for realizing multiple mode switch based on base band chip mobile terminal |
| CN101193083A (en) * | 2006-11-20 | 2008-06-04 | 中兴通讯股份有限公司 | RF remote unit for converting data sampling rate in base band signal transmission |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102045081B (en) | 2014-03-05 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US11770461B2 (en) | Methods and arrangements for short beacon frames in wireless networks | |
| CN107079404B (en) | Paging signal sending method, paging signal receiving method, device and system | |
| US20210014850A1 (en) | Communication device and method for low-latency initial access to non-standalone 5g new radio network | |
| US20190274165A1 (en) | Request to Send (RTS)/Clear to Send (CTS) Design in 5G | |
| US9520971B2 (en) | Data transmission method and device | |
| CN102170680A (en) | Method and apparatus for coordinating radio activities | |
| CN103297115B (en) | A kind of shortwave wide area diversity receiving device and method of reseptance thereof | |
| CN103220759B (en) | A kind of terminal sleeping method and terminal | |
| CN104640096A (en) | Data transmission method and device as well as terminal | |
| CN101127969B (en) | Method and system for transmitting wireless service data via public wireless interface | |
| CN102594395B (en) | Master synchronization sequence PSS (packet switching service) estimated value filtering method and device in cell search | |
| JP2010502147A (en) | Synchronization method and apparatus | |
| US9148837B2 (en) | Methods and devices for parallel page decoding from neighboring cells | |
| US9226235B2 (en) | Circuit arrangement and a method for communication network search and signal power measurement | |
| CN102045081B (en) | Method for storing and optimizing sampling data of baseband receiving part in GSM (Global System for Mobile Communication) mobile communication terminal | |
| US9363750B2 (en) | Devices and methods for control channel decoding with preamble skip to reduce decoding time | |
| US7587176B2 (en) | Mode switching in transceiver of a mobile terminal | |
| WO2020077486A1 (en) | Cell selection method and terminal device | |
| CN113545150A (en) | Configuration information indicating method and device | |
| CN1797990B (en) | Method for scanning frequency points in TDS-CDMA system | |
| CN101610575A (en) | Be used for synchronous apparatus and method fast in the dual mode system | |
| US20180152941A1 (en) | Methods for enhancing performance of a communications apparatus and communications apparatus utilizing the same | |
| EP3580968B1 (en) | Synchronization for extended drx | |
| CN202268895U (en) | Data compression transmission system | |
| CN102325343A (en) | Data compression and transmission method and data compression and transmission system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20170613 Address after: 201203 Shanghai city Zuchongzhi road Pudong New Area Zhangjiang hi tech park, Spreadtrum Center Building 1, Lane 2288 Patentee after: SPREADTRUM COMMUNICATIONS (SHANGHAI) Co.,Ltd. Address before: 201204, building 1, building 180, Zhang Heng Road, Pudong New Area, Shanghai, 4F Patentee before: Shanghai Mobilepeak Semiconductor Co.,Ltd. |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20180404 Address after: The 300456 Tianjin FTA test area (Dongjiang Bonded Port) No. 6865 North Road, 1-1-1802-7 financial and trade center of Asia Patentee after: Xinji Lease (Tianjin) Co.,Ltd. Address before: 201203 Shanghai city Zuchongzhi road Pudong New Area Zhangjiang hi tech park, Spreadtrum Center Building 1, Lane 2288 Patentee before: SPREADTRUM COMMUNICATIONS (SHANGHAI) Co.,Ltd. |
|
| TR01 | Transfer of patent right | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Application publication date: 20110504 Assignee: SPREADTRUM COMMUNICATIONS (SHANGHAI) Co.,Ltd. Assignor: Xinji Lease (Tianjin) Co.,Ltd. Contract record no.: 2018990000196 Denomination of invention: Method for storing and optimizing sampling data of baseband receiving part in GSM (Global System for Mobile Communication) mobile communication terminal Granted publication date: 20140305 License type: Exclusive License Record date: 20180801 |
|
| EE01 | Entry into force of recordation of patent licensing contract | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20221021 Address after: 201203 Shanghai city Zuchongzhi road Pudong New Area Zhangjiang hi tech park, Spreadtrum Center Building 1, Lane 2288 Patentee after: SPREADTRUM COMMUNICATIONS (SHANGHAI) Co.,Ltd. Address before: 300456 1-1-1802-7, north area of financial and Trade Center, No. 6865, Asia Road, Tianjin pilot free trade zone (Dongjiang Bonded Port Area) Patentee before: Xinji Lease (Tianjin) Co.,Ltd. |
|
| TR01 | Transfer of patent right |