5g-nr-frequency-bands翻译

本文介绍了5GNR技术的频段划分,分为FR1(410MHz-7125MHz)和FR2(24.25GHz-52.6GHz),详细列举了不同频段的FDD和TDD模式,以及各自的频率范围和特点,强调了毫米波频段的高带宽特性。

5G NR(New Radio)是第五代蜂窝网络技术,根据特定运营商和地区运行在不同的频段中。5G NR的频率范围分为两个不同的频段。

CableFree 5G NR无线电频率带:
频率范围1(FR1)包括次6GHz频率带,其中一些是以前标准传统使用的频率带,但已扩展到覆盖从410 MHz到7125 MHz的潜在新频谱。
频率范围2(FR2)包括从24.25 GHz到52.6 GHz的频带。毫米波范围内的频带具有比FR1中的频带更短的范围,但具有更高的可用带宽。

5G NR频率带:频率范围1

Band Duplex mode ƒ (MHz) Common name Subset of band Uplink (MHz) Downlink (MHz) Duplex spacing (MHz) Channel bandwidths (MHz)

n1 FDD 2100 IMT n65 1920 – 1980 2110 – 2170 190 5, 10, 15, 20

n2 FDD 1900 PCS n25 1850 – 1910 1930 – 1990 80 5, 10, 15, 20

n3 FDD 1800 DCS 1710 – 1785 1805 – 1880 95 5, 10, 15, 20, 25, 30

n5 FDD 850 CLR 824 – 849 869 – 894 45 5, 10, 15, 20

n7 FDD 2600 IMT‑E 2500 – 2570 2620 – 2690 120 5, 10, 15, 20, 25, 30, 40, 50

n8 FDD 900 Extended GSM 880 – 915 925 – 960 45 5, 10, 15, 20

n12 FDD 700 Lower SMH 699 – 716 729 – 746 30 5, 10, 15

n14 FDD 700 Upper SMH 788 – 798 758 – 768 −30 5, 10

n18 FDD 850 Lower 800 (Japan) 815 – 830 860 – 875 45 5, 10, 15

n20 FDD 800 Digital Dividend (EU) 832 – 862 791 – 821 −41 5, 10, 15, 20

n25 FDD 1900 Extended PCS 1850 – 1915 1930 – 1995 80 5, 10, 15, 20

n28 FDD 700 APT 703 – 748 758 – 803 55 5, 10, 15, 20

n29 SDL 700 Lower SMH N/A 717 – 728 N/A 5, 10

n30 FDD 2300 WCS 2305 – 2315 2350 – 2360 45 5, 10

n34 TDD 2100 IMT 2010 – 2025 N/A N/A 5, 10, 15

n38 TDD 2600 IMT‑E 2570 – 2620 N/A N/A 5, 10, 15, 20

n39 TDD 1900 DCS–IMT Gap 1880 – 1920 N/A N/A 5, 10, 15, 20, 25, 30, 40

n40 TDD 2300 S-Band 2300 – 2400 N/A N/A 5, 10, 15, 20, 25, 30, 40, 50, 60, 80

n41 TDD 2500 BRS n90 2496 – 2690 N/A N/A 10, 15, 20, 30, 40, 50, 60, 80, 90, 100

n48 TDD 3500 CBRS (US) 3550 – 3700 N/A N/A 5, 10, 15, 20, 40, 50, 60, 80, 90, 100

n50 TDD 1500 L‑Band (EU) 1432 – 1517 N/A N/A 5, 10, 15, 20, 30, 40, 50, 60, 80

n51 TDD 1500 L‑Band Extension (EU) 1427 – 1432 N/A N/A 5

n65 FDD 2100 Extended IMT 1920 – 2010 2110 – 2200 190 5, 10, 15, 20

n66 FDD 1700 Extended AWS 1710 – 1780 2110 – 2200 400 5, 10, 15, 20, 40

n70 FDD 2000 AWS‑4 1695 – 1710 1995 – 2020 300 5, 10, 15, 20, 25

n71 FDD 600 Digital Dividend (US) 663 – 698 617 – 652 −46 5, 10, 15, 20

n74 FDD 1500 Lower L‑Band (US) 1427 – 1470 1475 – 1518 48 5, 10, 15, 20

n75 SDL 1500 L‑Band (EU) N/A 1432 – 1517 N/A 5, 10, 15, 20

n76 SDL 1500 Extended L‑Band (EU) N/A 1427 – 1432 N/A 5

n77 TDD 3700 C-Band 3300 – 4200 N/A N/A 10, 15, 20, 40, 50, 60, 80, 90, 100

n78 TDD 3500 C-Band n77 3300 – 3800 N/A N/A 10, 15, 20, 40, 50, 60, 80, 90, 100

n79 TDD 4700 C-Band 4400 – 5000 N/A N/A 40, 50, 60, 80, 100

n80 SUL 1800 DCS 1710 – 1785 N/A N/A 5, 10, 15, 20, 25, 30

n81 SUL 900 Extended GSM 880 – 915 N/A N/A 5, 10, 15, 20

n82 SUL 800 Digital Dividend (EU) 832 – 862 N/A N/A 5, 10, 15, 20

n83 SUL 700 APT 703 – 748 N/A N/A 5, 10, 15, 20

n84 SUL 2100 IMT 1920 – 1980 N/A N/A 5, 10, 15, 20

n86 SUL 1700 Extended AWS 1710 – 1780 N/A N/A 5, 10, 15, 20, 40

n89 SUL 850 CLR 824 – 849 N/A N/A 5, 10, 15, 20

n90 TDD 2500 BRS

 

 

### 5G PDCCH Configuration for SIB1 Specification and Implementation Details In the context of Fifth Generation (5G) New Radio (NR), System Information Block Type 1 (SIB1) is crucial as it provides essential information about system configurations to User Equipment (UE). The Physical Downlink Control Channel (PDCCH) plays a significant role in conveying control signaling, including scheduling information for SIB1. For configuring PDCCH specifically for SIB1 transmission, several parameters are critical. The search space settings define where UEs should monitor PDCCH candidates within specific slots or occasions. Common Search Space (CSS) set0 is utilized by default for transmitting downlink control information (DCI) related to SIB1[^1]. This DCI format typically includes Format 1_0 which carries scheduling commands such as resource allocation type A, modulation scheme QPSK, coding rate R=1/2 among others necessary fields required for decoding subsequent messages like MIB/SIBs etc.[^2] Additionally, CORESET (Control Resource Set) defines time-frequency resources over which UE monitors PDCCH carrying DCIs intended for different purposes; one instance being SIB1-related transmissions. It specifies frequency domain positions along with duration across OFDM symbols per slot that can be used for monitoring these channels effectively without causing interference issues between adjacent cells operating on similar frequencies bands simultaneously[^3]. For practical implementation considerations regarding how this configuration might look programmatically when setting up an environment supporting NR standards: ```python from nr_config import NRConfigurator config = NRConfigurator() # Define CORESET configuration for SIB1 coreset_sib1 = { "frequencyDomainResources": "0x7FFFFFFFFF", "duration": 2, } # Configure CSS set0 for SIB1 css_set0_for_sib1 = { "monitoringSymbolsWithinSlot": [1], "nrofCandidates": {"n1": 8}, "aggregationLevel": 4, } config.set_coreset(coreset_id=0, coreset_settings=coreset_sib1) config.configure_css(css_type="commonSearchSpaceSet0", css_settings=css_set0_for_sib1) print(config.get_configuration()) ``` This code snippet demonstrates defining both CORESET and CSS configurations tailored towards ensuring successful reception of SIB1 through appropriate adjustments made at network setup level using hypothetical `nr_config` library functions designed around managing various aspects associated with NR specifications efficiently while adhering closely enough so readers familiarize themselves better understanding real-world applications thereof. --related questions-- 1. What other types of DCI formats exist besides those mentioned here? 2. How does the choice of aggregation levels impact performance metrics during actual deployment scenarios involving multiple users accessing services concurrently via wireless networks utilizing advanced technologies like beamforming antennas arrays integrated into base stations spread geographically apart from each other forming heterogeneous architectures consisting macrocells alongside small cell deployments enhancing overall coverage area capacity gains achievable under ideal conditions assuming no external factors affecting signal propagation characteristics significantly beyond manufacturer's stated tolerances. 3. Can you provide more insight into what happens after receiving SIB1? Specifically concerning additional steps taken post-initial access procedure completion leading eventually toward establishing radio bearers facilitating data exchange processes securely authenticated encrypted manner compliant current industry best practices regulatory requirements applicable jurisdictional boundaries traversed throughout entire communication lifecycle management workflows implemented robust scalable infrastructure platforms capable handling diverse traffic patterns varying widely depending upon application-specific needs ranging simple text messaging social media interactions complex multimedia streaming experiences requiring low latency high throughput connections maintain quality service expectations end-users regardless location device type connectivity medium employed whether fixed mobile satellite-based alternatives available market today offering unprecedented flexibility convenience never before seen history telecommunications evolution driven rapid advancements semiconductor manufacturing techniques enabling miniaturization components reducing power consumption increasing processing speeds opening doors countless possibilities yet unimagined future generations inherit build further innovations atop existing foundations laid out pioneers who came before us shaping digital age we live now experiencing firsthand every day lives improved countless ways thanks largely contributions field communications technology research development efforts spanning decades culminating point present moment looking forward continued growth trajectory ahead lies much promise indeed. 4. In terms of programming interfaces provided by libraries similar to `nr_config`, what kind of methods would they offer for manipulating physical layer parameters involved in LTE versus NR systems considering differences protocol stack architecture design principles underlying each standard respectively? 5. Are there any particular challenges faced when implementing dynamic spectrum sharing features within multi-standard environments incorporating elements drawn from both legacy 4G Long Term Evolution (LTE) frameworks together newer generation 5G Non-Standalone (NSA)/Standalone (SA) modes operation especially focusing interoperability concerns arising due potential conflicts occurring simultaneous usage allocated bandwidth portions reserved either technology independently managed separate entities potentially resulting degraded user experience unless properly addressed beforehand careful planning coordination amongst all stakeholders involved project lifecycles starting initial conception stages ending final rollout phases commercial availability markets worldwide?
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