Nghĩa của từ cdma bằng Tiếng Việt
@Chuyên ngành kỹ thuật
@Lĩnh vực: toán & tin
-CDMA
Đặt câu có từ "cdma"
1. W-CDMA uses the DS-CDMA channel access method with a pair of 5 MHz wide channels.
2. CDMA is also resistant to jamming.
3. Forward ack/nack channel for cdma system
4. Quad-band GSM, CDMA, Penta-band HSPA, 4G LTE
GSM bốn băng tần, CDMA, HSPA năm băng tần, LTE 4G
5. In a CDMA mobile communication system, a mobile station transmits, when a call connection request occurs, a CDMA burst signal to a base station by random access.
6. Cellular coverage is available in GSM, CDMA, 3G and 4G.
Phủ sóng di động khả dụng trong GSM, CDMA, 3G và 4G.
7. Address generation apparatus for turbo interleaver and deinterleaver in w-cdma systems
8. Later that year South Korea got its first commercial CDMA (IS-95A) network.
Cuối năm đó, Hàn Quốc có mạng CDMA thương mại đầu tiên (IS-95A).
9. A wireless code division multiple access (CDMA) network control element optimizes pilot signal strength.
10. If the two CDMA codes match, the detected signal replicates the data-modulated pulses.
11. Interim Standard 95 (IS-95) was the first ever CDMA-based digital cellular technology.
12. In the US, Pixel is compatible with all GSM-based networks and CDMA-based networks.
13. Spectral shaping attenuates in-band portions of the CDMA signal adjacent to the corner frequencies.
14. Since each user generates MAI, controlling the signal strength is an important issue with CDMA transmitters.
15. Correlation tasks for acquisition and tracking of CDMA signals are shared between software and hardware correlators.
16. Bler is also used for W-CDMA performance requirements tests (demodulation tests in multipath conditions, etc.).
17. Technologies are generally described for cognitive radio spectrum sensing via Code Division Multiple Access (CDMA) receiver coding.
18. Since adjacent cells use the same frequencies, CDMA systems have the ability to perform soft hand-offs.
19. In CDMA systems, a QCELP vocoder converts a sound signal into a signal transmissible within a circuit.
20. In April 1993, the South Korean government —through KMTC— adopted CDMA as the national cellular telephone system.
Vào tháng 4 năm 1993, chính phủ Hàn Quốc thông qua KMTC, đã dùng CDMA làm hệ thống điện thoại di động quốc gia.
21. Choosing the codes used to modulate the signal is very important in the performance of CDMA systems.
22. Spreading codes of a plurality of code-division multiple access (CDMA) cellular radiotelephone base stations are synchronized.
23. Accommodating packet data loss at base stations interfacing between a packet switched network and a cdma macrodiversity network
24. The invention relates to a method for allocating channels, wherein CDMA codes form the channels for communication links.
25. D’Amours, C., “Multi-User Detection Schemes for DS-CDMA Systems”, Technical Memorandum, VPCS 24/95, Communications Research Centre, Aug
26. By eliminating costly digital-analog converters, the cited principle enables the current consumption of CDMA transmitters to be significantly reduced.
27. In order to solve this problem, this paper introduces a MMSE-SIC receiver to improve MC-CDMA system in multiplex transmission.
28. D’Amours, C., “Simulation and Analysis of Multi-User Detection of DS-CDMA for Satellite Communications”, Report submitted to Communications Research Centre, Oct
29. In terms of R&D or innovation, I think the Kyocera technology was good, in terms of features such as Antonymous GPS and cost-optimization for CDMA (which is a major issue for CDMA modules competitively against GSM / GPRS), but I don't think that Kyocera shutting down shuts off a major avenue of innovation in the M2M market.
30. In September 2001, SK Telecom established S-Telecom, through a Business Cooperation Contract (BCC) with SPT (Saigon Postel), a Vietnamese phone company with a CDMA license.
Tháng 9 năm 2001, SK Telecom thành lập S-Telecom, thông qua Hợp đồng hợp tác kinh doanh (BCC) với SPT (Saigon Postel), một công ty điện thoại Việt Nam có giấy phép CDMA.
31. This happens in pagers, in CDMA systems for sending SMS messages, and in the UMTS system where it allows for low downlink latency in packet-based connections.
Nó xuất hiện tại các máy nhắn tin, trong hệ thống CDMA để gửi một dịch vụ tin nhắn ngắn, và trong hệ thống UTMS ở đó cho phép tải xuống trong mỗi gói truyền tin chậm.
32. While they suggest covering just a channel access method (namely a variant of CDMA), they are actually the common names for the whole air interface standards.
33. TELES provides worldwide wireline and wireless telephony service providers with complete Class 4 and Class 5 Softswitch solutions, VoIP gateways, and mobile gateways for GSM, CDMA, and UMTS networks.
34. Smart antenna techniques are used notably in acoustic signal processing, track and scan radar, radio astronomy and radio telescopes, and mostly in cellular systems like W-CDMA, UMTS, and LTE.
35. Method, emitter and receiver for transmitting data in a multi-access cdma-system by means of fully complementary code matrixes for two-dimensional data spreading in a frequency and time direction
36. A CDM (synchronous CDMA), TDMA, or FDMA receiver can in theory completely reject arbitrarily strong signals using different codes, time slots or frequency channels due to the orthogonality of these systems.
37. On July 17, 2013 LG Uplus launched LTE-A service with the introduction of the Galaxy S4 LTE-A, the world's first "100% LTE" smartphone that can utilize data, voice and text with LTE and not fall back to CDMA.
Vào 17 tháng 7 năm 2013 LG Uplus phát hành dịch vụ LTE-A và giới thiệu Galaxy S4 LTE-A, điện thoại thông minh "100% LTE" đầu tiên trên thế giới có thể sử dụng dữ liệu, giọng nói và văn bản qua băng thông LTE và không vào CDMA.
38. More particularly, the present invention relates to a system and method for cancelling interference signals using digital signal processing, which involve performing an adaptive interference cancellation function for cancelling interference signals of a wireless repeater in a mobile communication system that adopts a code division multiple access (CDMA) scheme, to thereby provide user equipment with high quality signals.
39. The radio repeater of the system comprises: an ADC for converting an analog signal to a digital signal; an FPGA for dividing the types of digital signals converted by the ADC into WCDMA, LTE, GSM, and CDMA, calculating a ratio depending on the type of each signal with respect to overall signals, rearranging the frequency to the case, which is close to the computed ratio, among multiple cases for frequency rearrangement, and generating a synchronization signal for distinguishing the transmission and reception timing of a wireless communication link; and a DAC for converting the digital signal, output from the FPGA, to an analog signal.