JPH07509826A - マイクロセルを含む無線電話方式用通信管理技術 - Google Patents
マイクロセルを含む無線電話方式用通信管理技術Info
- Publication number
- JPH07509826A JPH07509826A JP6511238A JP51123894A JPH07509826A JP H07509826 A JPH07509826 A JP H07509826A JP 6511238 A JP6511238 A JP 6511238A JP 51123894 A JP51123894 A JP 51123894A JP H07509826 A JPH07509826 A JP H07509826A
- Authority
- JP
- Japan
- Prior art keywords
- cell
- control channel
- microcell
- cells
- umbrella
- 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
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W48/00—Access restriction; Network selection; Access point selection
- H04W48/08—Access restriction or access information delivery, e.g. discovery data delivery
- H04W48/12—Access restriction or access information delivery, e.g. discovery data delivery using downlink control channel
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W16/00—Network planning, e.g. coverage or traffic planning tools; Network deployment, e.g. resource partitioning or cells structures
- H04W16/24—Cell structures
- H04W16/32—Hierarchical cell structures
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W84/00—Network topologies
- H04W84/02—Hierarchically pre-organised networks, e.g. paging networks, cellular networks, WLAN [Wireless Local Area Network] or WLL [Wireless Local Loop]
- H04W84/04—Large scale networks; Deep hierarchical networks
- H04W84/042—Public Land Mobile systems, e.g. cellular systems
- H04W84/045—Public Land Mobile systems, e.g. cellular systems using private Base Stations, e.g. femto Base Stations, home Node B
Landscapes
- Engineering & Computer Science (AREA)
- Computer Security & Cryptography (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Mobile Radio Communication Systems (AREA)
Abstract
Description
Claims (21)
- 1.セルラー無線地話方式において基地局と移動局との間で呼接続を確立する方 法であって、 制御チャネルを介して呼アクセス要求を聴取するステップと、前記制御チャネル を介して少くとも2つのセルから同時に制御情報を送信するステップと、 からなる呼接続確立方法。
- 2.請求項1記載の方法であって、前記少くとも2つのセルにはマイクロセルお よびマクロセルが含まれる、呼接続確立方法。
- 3.請求項1記載の方法であって、前記少くとも2つのセルがマイクロセルであ る、呼接続確立方法。
- 4.請求項3記載の方法であって、前記制御チャネルに割り当てられる周波数は 下記の中の一つ、すなわち、 アンブレラセルの制御チャネルへ割り当てられる周波数の再使用、アンブレラセ ルへ割り当てられた周波数の借用、1組の使用可能周波数の中から専用化した周 波数の使用、に基づいている呼接続確立方法。
- 5.請求項4記載の方法であって、前記少くとも2つのセルの無線カバレージと 前記アンブレラセルの無線カバレージは実質的に非重畳である、呼接続確立方法 。
- 6.請求項5記載の方法であって、前記少くとも2つのマイクロセルは屋内マイ クロセルである、呼接続確立方法。
- 7.少くとも一つのマイクロセルとアンブレラセルとを有する無線電話方式にお ける通信確立方法であって、 アンブレラセルに割り当てられた第1の制御チャネルを介して移動体ユニットか ら呼アクセス要求を受信するステップと、マイクロセルに割り当てられた第2の 制御チャネルを介して前記移動体ユニットから前記呼アクセス要求を受信し、こ こで前記第1の制御チャネルおよび前記第2の制御チャネルは所定の周波数を使 用するステップと、前記マイクロセルのアクセス可能な音声チャネルに同調して 前記第1の呼アクセス要求を処理するよう前記第1の制御チャネルを介して前記 移動体ユニットを命令するステップと、 からなる通信確立方法。
- 8.複数のマイクロセルとアンブレラセルとを有する多層無線電話方式における 通信確立方法であって、 アンブレラセルに割り当てられた第1の制御チャネルを介して呼アクセス要求を 受信するステップと、 マイクロセルに割り当てられた第2の制御チャネルを介して前記呼アクセス要求 を受信し、ここで前記第1の制御チャネルおよび前記第2の制御チャネルは所定 の周波数を使用するステップと、 前記呼アクセス要求に関連する呼を前記マイクロセルの一つと前記アンブレラセ ルとへ割り当てるステップと、 からなる、通信確立方法。
- 9.請求項8記載の方法であって、各マイクロセルがそれ自体の独立した制御チ ャネルを有する、通信確立方法。
- 10.請求項8記載の方法であって、端マイクロセルがそれぞれ付加制御チャネ ルを有し、前記各付加制御チャネルを介して情報が同時に送信される、通信確立 方法。
- 11.請求項8記載の方法であって、前記割当ステップには、前記第1の制御チ ャネルと前記第2の制御チャネルとのどちらがより高い信号強度で受信している かに基づいて、前記アンブレラセルおよび前記マイクロセルの一方と関連する前 記呼を割り当てることが含まれる、通信確立方法。
- 12.複数のセルを有する無線電話方式において基地局と移動局との間で接続を 確立する方式であって、 第1のセルにおいて制御チャネルを介して呼アクセス要求を聴取する手段と、第 2のセルにおいて前記制御チャネルを介して呼アクセス要求を聴取する手段と、 前記第1のセルから前記制御チャネルを介して制御情報を送信する第1の手段と 、 前記第2のセルから前記制御チャネルを介して前記制御情報を送信する第2の手 段とを具備し、前記第1の送信手段および前記第2の送信手段は前記制御情報を 同時に送信する、接続確立方式。
- 13.請求項12記載の方式であって、前記第1のセルがマイクロセルであり、 前記第2のセルがマクロセルである、接続確立方式。
- 14.請求項12記載の方式であって、前記第1のセルおよび前記第2のセルが マイクロセルである、接続確立方式。
- 15.請求項14記載の方式であって、前記制御チャネルに割り当てられる周波 数は次記の一つ、すなわち、 アンブレラセルの制御チャネルに割り当てられた周波数の再使用、アンブレラセ ルへ割り当てられた周波数の借用、1組の使用可能周波数の中から専用とされた 周波数の使用、に基づいている接続確立方式。
- 16.請求項15記載の方式であって、前記第1のセルおよび前記第2のセルが 屋内マイクロセルである、接続確立方法。
- 17.少くとも一つのマイクロセルとアンブレラセルとを有する無線電話方式に おける通信確立方式であって、 アンブレラセルに割り当てられた第1の制御チャネルを介して移動体ユニットか ら呼アクセス要求を受信する手段と、マイクロセルに割り当てられた第2の制御 チャネルを介して前記移動体ユニットから前記呼アクセス要求を受信する手段で あって、前記第1の制御チャネルおよび前記の制御チャネルが所定の周波数を使 用する前記受信手段と、前記マイクロセルのアクセス可能な音声チャネルに同調 して前記第1の呼アクセス要求を処理するよう前記第1の制御チャネルを介して 前記移動体ユニットを命令する手段と、 を具備する通信確立方式。
- 18.複数のマイクロセルとアンブレラセルとを有する多層無線電話方式におけ る通信確立方式であって、 アンブレラセルに割り当てられた第1の制御チャネルを介して呼アクセス要求を 受信する手段と、 マイクロセルに翻り当てられた第2の制御チャネルを介して前記呼アクセス要求 を受信する手段であって、前記第1の制御チャネルおよび前記第2の制御チャネ ルが所定の周波数を使用する前記受信手段と、前記呼アクセス要求に関連する呼 を前記マイクロセルおよび前記アンブレラセルの一方へ割り当てる手段と、 を具備する通信確立方式。
- 19.請求項18記載の方式であって、各マイクロセルがそれ自体の独立な制御 チャネルを有する、通信確立方式。
- 20.請求項18記載の方式であって、各マイクロセルがそれぞれ付加制御チャ ネルを有し、前記各付加制御チャネルを介して情報が同時に送信される、通信確 立方式。
- 21.請求項18記載の方式であって、前記割当手段は前記第1の制御チャネル および前記第2の制御チャネルのどちらがより高い信号強度で受信しているかに 基いて前記呼を割り当てる、通信確立方式。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US07/966,461 US5546443A (en) | 1992-10-26 | 1992-10-26 | Communication management technique for a radiotelephone system including microcells |
US966,461 | 1992-10-26 | ||
PCT/US1993/010232 WO1994010792A1 (en) | 1992-10-26 | 1993-10-26 | Communication management technique for a radiotelephone system including microcells |
Publications (2)
Publication Number | Publication Date |
---|---|
JPH07509826A true JPH07509826A (ja) | 1995-10-26 |
JP3483557B2 JP3483557B2 (ja) | 2004-01-06 |
Family
ID=25511445
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP51123894A Expired - Lifetime JP3483557B2 (ja) | 1992-10-26 | 1993-10-26 | マイクロセルを含む無線電話方式用通信管理技術 |
Country Status (21)
Country | Link |
---|---|
US (1) | US5546443A (ja) |
JP (1) | JP3483557B2 (ja) |
CN (1) | CN1050958C (ja) |
AU (1) | AU668008B2 (ja) |
BR (1) | BR9305693A (ja) |
CA (1) | CA2126746C (ja) |
DE (1) | DE4395623T1 (ja) |
ES (1) | ES2103674B1 (ja) |
FI (1) | FI109955B (ja) |
FR (1) | FR2697390B1 (ja) |
GB (1) | GB2278255B (ja) |
HK (1) | HK1006628A1 (ja) |
IT (1) | IT1272744B (ja) |
MX (1) | MX9306549A (ja) |
MY (1) | MY138200A (ja) |
NL (1) | NL194061C (ja) |
RU (1) | RU2126596C1 (ja) |
SE (1) | SE520779C2 (ja) |
SG (1) | SG43081A1 (ja) |
TW (1) | TW234226B (ja) |
WO (1) | WO1994010792A1 (ja) |
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US10257778B2 (en) | 2014-04-16 | 2019-04-09 | Fujitsu Limited | Wireless communication system, base station, and terminal |
US10555298B2 (en) | 2014-04-11 | 2020-02-04 | Fujitsu Limited | Wireless communication system, base station, and terminal |
US10575190B2 (en) | 2014-04-04 | 2020-02-25 | Fujitsu Limited | Wireless communication system, base station, and terminal for selecting at least one cell from among multiple cells |
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